Add background-fetch as a folder

2021-05-21 18:45:04 +05:30 · 2021-05-21 18:45:04 +05:30 · 1dc4f4ef90
commit 1dc4f4ef90
parent f0e8862216
72 changed files with 3944 additions and 1 deletions
--- a/thirdparty/transistor-background-fetch
+++ b/thirdparty/transistor-background-fetch
@ -1 +0,0 @@
-Subproject commit ed83e96ea3658b3def42f42eb37490650ddf45e5
--- a/thirdparty/transistor-background-fetch/.gitignore
+++ b/thirdparty/transistor-background-fetch/.gitignore
@ -0,0 +1,63 @@
+# Eclipse
+.metadata
+
+# Xcode
+#
+.DS_Store
+build/
+*.pbxuser
+!default.pbxuser
+*.mode1v3
+!default.mode1v3
+*.mode2v3
+!default.mode2v3
+*.perspectivev3
+!default.perspectivev3
+xcuserdata
+*.xccheckout
+*.moved-aside
+DerivedData
+*.hmap
+*.ipa
+*.xcuserstate
+
+# CocoaPods
+#
+# We recommend against adding the Pods directory to your .gitignore. However
+# you should judge for yourself, the pros and cons are mentioned at:
+# http://guides.cocoapods.org/using/using-cocoapods.html#should-i-ignore-the-pods-directory-in-source-control
+#
+#Pods/
+
+# Eclipse
+
+# built application files
+*.apk
+*.ap_
+
+# files for the dex VM
+*.dex
+
+# Java class files
+*.class
+
+# generated files
+bin/
+gen/
+
+# Local configuration file (sdk path, etc)
+local.properties
+
+# Eclipse project files
+.classpath
+.project
+
+# Proguard folder generated by Eclipse
+proguard/
+
+# Intellij project files
+*.iml
+*.ipr
+*.iws
+.idea/
+
--- a/thirdparty/transistor-background-fetch/LICENSE
+++ b/thirdparty/transistor-background-fetch/LICENSE
@ -0,0 +1,19 @@
+Copyright (c) 2017 Transistor Software <info@transistorsoft.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
--- a/thirdparty/transistor-background-fetch/README.md
+++ b/thirdparty/transistor-background-fetch/README.md
@ -0,0 +1,22 @@
+Transistor Background Fetch
+===========================================================================
+
+Copyright (c) 2017 Transistor Software <info@transistorsoft.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
--- a/thirdparty/transistor-background-fetch/TSBackgroundFetch.podspec
+++ b/thirdparty/transistor-background-fetch/TSBackgroundFetch.podspec
@ -0,0 +1,28 @@
+#
+# Be sure to run `pod lib lint TSBackgroundFetch.podspec' to ensure this is a
+# valid spec before submitting.
+#
+# Any lines starting with a # are optional, but their use is encouraged
+# To learn more about a Podspec see http://guides.cocoapods.org/syntax/podspec.html
+#
+
+Pod::Spec.new do |s|
+  s.name             = 'TSBackgroundFetch'
+  s.version          = '0.0.1'
+  s.summary          = 'iOS Background Fetch API Manager'
+
+  s.description      = <<-DESC
+iOS Background Fetch API Manager with ability to handle multiple listeners.
+                       DESC
+
+  s.homepage         = 'http://www.transistorsoft.com'
+  s.license          = { :type => 'MIT', :file => 'LICENSE' }
+  s.author           = { 'christocracy' => 'christocracy@gmail.com' }
+  s.source           = { :git => 'https://github.com/transistorsoft/transistor-background-fetch.git', :tag => s.version.to_s }
+  s.social_media_url = 'https://twitter.com/christocracy'
+
+  s.ios.deployment_target = '8.0'
+
+  s.source_files        = 'ios/TSBackgroundFetch/TSBackgroundFetch/*.{h,m}'
+  s.vendored_frameworks = 'ios/TSBackgroundFetch/TSBackgroundFetch.framework'
+end
--- a/thirdparty/transistor-background-fetch/android/.gitignore
+++ b/thirdparty/transistor-background-fetch/android/.gitignore
@ -0,0 +1,9 @@
+*.iml
+.gradle
+/local.properties
+/.idea/workspace.xml
+/.idea/libraries
+.DS_Store
+/build
+/captures
+.externalNativeBuild
--- a/thirdparty/transistor-background-fetch/android/app/.gitignore
+++ b/thirdparty/transistor-background-fetch/android/app/.gitignore
@ -0,0 +1 @@
+/build
--- a/thirdparty/transistor-background-fetch/android/app/build.gradle
+++ b/thirdparty/transistor-background-fetch/android/app/build.gradle
@ -0,0 +1,29 @@
+apply plugin: 'com.android.application'
+
+android {
+    compileSdkVersion 26
+    defaultConfig {
+        applicationId "com.transistorsoft.backgroundfetch"
+        minSdkVersion 16
+        targetSdkVersion 26
+        versionCode 1
+        versionName "1.0"
+        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+}
+
+dependencies {
+    testImplementation 'junit:junit:4.12'
+    androidTestImplementation 'androidx.test:runner:1.2.0'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
+
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+    implementation 'com.android.support:appcompat-v7:26.1.0'
+
+}
--- a/thirdparty/transistor-background-fetch/android/app/proguard-rules.pro
+++ b/thirdparty/transistor-background-fetch/android/app/proguard-rules.pro
@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile
--- a/thirdparty/transistor-background-fetch/android/app/src/androidTest/java/com/transistorsoft/backgroundfetch/ExampleInstrumentedTest.java
+++ b/thirdparty/transistor-background-fetch/android/app/src/androidTest/java/com/transistorsoft/backgroundfetch/ExampleInstrumentedTest.java
@ -0,0 +1,27 @@
+package com.transistorsoft.backgroundfetch;
+
+import android.content.Context;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.runner.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import static org.junit.Assert.*;
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+@RunWith(AndroidJUnit4.class)
+public class ExampleInstrumentedTest {
+    @Test
+    public void useAppContext() throws Exception {
+        // Context of the app under test.
+        Context appContext = InstrumentationRegistry.getTargetContext();
+
+        assertEquals("com.transistorsoft.backgroundfetch", appContext.getPackageName());
+    }
+}
--- a/thirdparty/transistor-background-fetch/android/app/src/main/AndroidManifest.xml
+++ b/thirdparty/transistor-background-fetch/android/app/src/main/AndroidManifest.xml
@ -0,0 +1,11 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.transistorsoft.backgroundfetch">
+
+    <application
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/AppTheme" />
+</manifest>
--- a/thirdparty/transistor-background-fetch/android/app/src/main/res/drawable-v24/ic_launcher_foreground.xml
+++ b/thirdparty/transistor-background-fetch/android/app/src/main/res/drawable-v24/ic_launcher_foreground.xml
@ -0,0 +1,34 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:aapt="http://schemas.android.com/aapt"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportHeight="108"
+    android:viewportWidth="108">
+    <path
+        android:fillType="evenOdd"
+        android:pathData="M32,64C32,64 38.39,52.99 44.13,50.95C51.37,48.37 70.14,49.57 70.14,49.57L108.26,87.69L108,109.01L75.97,107.97L32,64Z"
+        android:strokeColor="#00000000"
+        android:strokeWidth="1">
+        <aapt:attr name="android:fillColor">
+            <gradient
+                android:endX="78.5885"
+                android:endY="90.9159"
+                android:startX="48.7653"
+                android:startY="61.0927"
+                android:type="linear">
+                <item
+                    android:color="#44000000"
+                    android:offset="0.0" />
+                <item
+                    android:color="#00000000"
+                    android:offset="1.0" />
+            </gradient>
+        </aapt:attr>
+    </path>
+    <path
+        android:fillColor="#FFFFFF"
+        android:fillType="nonZero"
+        android:pathData="M66.94,46.02L66.94,46.02C72.44,50.07 76,56.61 76,64L32,64C32,56.61 35.56,50.11 40.98,46.06L36.18,41.19C35.45,40.45 35.45,39.3 36.18,38.56C36.91,37.81 38.05,37.81 38.78,38.56L44.25,44.05C47.18,42.57 50.48,41.71 54,41.71C57.48,41.71 60.78,42.57 63.68,44.05L69.11,38.56C69.84,37.81 70.98,37.81 71.71,38.56C72.44,39.3 72.44,40.45 71.71,41.19L66.94,46.02ZM62.94,56.92C64.08,56.92 65,56.01 65,54.88C65,53.76 64.08,52.85 62.94,52.85C61.8,52.85 60.88,53.76 60.88,54.88C60.88,56.01 61.8,56.92 62.94,56.92ZM45.06,56.92C46.2,56.92 47.13,56.01 47.13,54.88C47.13,53.76 46.2,52.85 45.06,52.85C43.92,52.85 43,53.76 43,54.88C43,56.01 43.92,56.92 45.06,56.92Z"
+        android:strokeColor="#00000000"
+        android:strokeWidth="1" />
+</vector>
--- a/thirdparty/transistor-background-fetch/android/app/src/main/res/drawable/ic_launcher_background.xml
+++ b/thirdparty/transistor-background-fetch/android/app/src/main/res/drawable/ic_launcher_background.xml
@ -0,0 +1,170 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportHeight="108"
+    android:viewportWidth="108">
+    <path
+        android:fillColor="#26A69A"
+        android:pathData="M0,0h108v108h-108z" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M9,0L9,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,0L19,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,0L29,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,0L39,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,0L49,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,0L59,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,0L69,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,0L79,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M89,0L89,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M99,0L99,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,9L108,9"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,19L108,19"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,29L108,29"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,39L108,39"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,49L108,49"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,59L108,59"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,69L108,69"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,79L108,79"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,89L108,89"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,99L108,99"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,29L89,29"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,39L89,39"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,49L89,49"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,59L89,59"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,69L89,69"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,79L89,79"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,19L29,89"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,19L39,89"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,19L49,89"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,19L59,89"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,19L69,89"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,19L79,89"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+</vector>
--- a/thirdparty/transistor-background-fetch/android/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
+++ b/thirdparty/transistor-background-fetch/android/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>
--- a/thirdparty/transistor-background-fetch/android/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
+++ b/thirdparty/transistor-background-fetch/android/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>
--- a/thirdparty/transistor-background-fetch/android/app/src/main/res/mipmap-hdpi/ic_launcher.png
+++ b/thirdparty/transistor-background-fetch/android/app/src/main/res/mipmap-hdpi/ic_launcher.png
--- a/thirdparty/transistor-background-fetch/android/app/src/main/res/mipmap-hdpi/ic_launcher_round.png
+++ b/thirdparty/transistor-background-fetch/android/app/src/main/res/mipmap-hdpi/ic_launcher_round.png
--- a/thirdparty/transistor-background-fetch/android/app/src/main/res/mipmap-mdpi/ic_launcher.png
+++ b/thirdparty/transistor-background-fetch/android/app/src/main/res/mipmap-mdpi/ic_launcher.png
--- a/thirdparty/transistor-background-fetch/android/app/src/main/res/mipmap-mdpi/ic_launcher_round.png
+++ b/thirdparty/transistor-background-fetch/android/app/src/main/res/mipmap-mdpi/ic_launcher_round.png
--- a/thirdparty/transistor-background-fetch/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png
+++ b/thirdparty/transistor-background-fetch/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png
--- a/thirdparty/transistor-background-fetch/android/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png
+++ b/thirdparty/transistor-background-fetch/android/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png
--- a/thirdparty/transistor-background-fetch/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
+++ b/thirdparty/transistor-background-fetch/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
--- a/thirdparty/transistor-background-fetch/android/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png
+++ b/thirdparty/transistor-background-fetch/android/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png
--- a/thirdparty/transistor-background-fetch/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png
+++ b/thirdparty/transistor-background-fetch/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png
--- a/thirdparty/transistor-background-fetch/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png
+++ b/thirdparty/transistor-background-fetch/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png
--- a/thirdparty/transistor-background-fetch/android/app/src/main/res/values/colors.xml
+++ b/thirdparty/transistor-background-fetch/android/app/src/main/res/values/colors.xml
@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="colorPrimary">#3F51B5</color>
+    <color name="colorPrimaryDark">#303F9F</color>
+    <color name="colorAccent">#FF4081</color>
+</resources>
--- a/thirdparty/transistor-background-fetch/android/app/src/main/res/values/strings.xml
+++ b/thirdparty/transistor-background-fetch/android/app/src/main/res/values/strings.xml
@ -0,0 +1,3 @@
+<resources>
+    <string name="app_name">BackgroundFetch</string>
+</resources>
--- a/thirdparty/transistor-background-fetch/android/app/src/main/res/values/styles.xml
+++ b/thirdparty/transistor-background-fetch/android/app/src/main/res/values/styles.xml
@ -0,0 +1,11 @@
+<resources>
+
+    <!-- Base application theme. -->
+    <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
+        <!-- Customize your theme here. -->
+        <item name="colorPrimary">@color/colorPrimary</item>
+        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
+        <item name="colorAccent">@color/colorAccent</item>
+    </style>
+
+</resources>
--- a/thirdparty/transistor-background-fetch/android/app/src/test/java/com/transistorsoft/backgroundfetch/ExampleUnitTest.java
+++ b/thirdparty/transistor-background-fetch/android/app/src/test/java/com/transistorsoft/backgroundfetch/ExampleUnitTest.java
@ -0,0 +1,17 @@
+package com.transistorsoft.backgroundfetch;
+
+import org.junit.Test;
+
+import static org.junit.Assert.*;
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+public class ExampleUnitTest {
+    @Test
+    public void addition_isCorrect() throws Exception {
+        assertEquals(4, 2 + 2);
+    }
+}
--- a/thirdparty/transistor-background-fetch/android/build.gradle
+++ b/thirdparty/transistor-background-fetch/android/build.gradle
@ -0,0 +1,34 @@
+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+
+buildscript {
+    repositories {
+        google()
+        jcenter()
+    }
+
+    dependencies {
+        classpath 'com.android.tools.build:gradle:3.5.0'
+        
+
+        // NOTE: Do not place your application dependencies here; they belong
+        // in the individual module build.gradle files
+    }
+}
+
+allprojects {
+    repositories {
+        google()
+        jcenter()
+    }
+}
+
+task clean(type: Delete) {
+    delete rootProject.buildDir
+}
+
+ext {
+    compileSdkVersion   = 29
+    targetSdkVersion    = 29
+    buildToolsVersion   = "29.0.6"
+    appCompatVersion   = "1.1.0"
+}
--- a/thirdparty/transistor-background-fetch/android/gradle.properties
+++ b/thirdparty/transistor-background-fetch/android/gradle.properties
@ -0,0 +1,23 @@
+# Project-wide Gradle settings.
+
+# IDE (e.g. Android Studio) users:
+# Gradle settings configured through the IDE *will override*
+# any settings specified in this file.
+
+# For more details on how to configure your build environment visit
+# http://www.gradle.org/docs/current/userguide/build_environment.html
+
+# Specifies the JVM arguments used for the daemon process.
+# The setting is particularly useful for tweaking memory settings.
+org.gradle.jvmargs=-Xmx1536m
+
+# When configured, Gradle will run in incubating parallel mode.
+# This option should only be used with decoupled projects. More details, visit
+# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
+# org.gradle.parallel=true
+
+VERSION_NAME=0.5.0
+VERSION_CODE=15
+
+android.useAndroidX=true
+android.enableJetifier=true
--- a/thirdparty/transistor-background-fetch/android/gradle/wrapper/gradle-wrapper.jar
+++ b/thirdparty/transistor-background-fetch/android/gradle/wrapper/gradle-wrapper.jar
--- a/thirdparty/transistor-background-fetch/android/gradle/wrapper/gradle-wrapper.properties
+++ b/thirdparty/transistor-background-fetch/android/gradle/wrapper/gradle-wrapper.properties
@ -0,0 +1,7 @@
+#Tue Apr 21 10:22:19 EDT 2020
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.1.1-all.zip
+distributionSha256Sum=10065868c78f1207afb3a92176f99a37d753a513dff453abb6b5cceda4058cda
--- a/thirdparty/transistor-background-fetch/android/gradlew
+++ b/thirdparty/transistor-background-fetch/android/gradlew
@ -0,0 +1,160 @@
+#!/usr/bin/env bash
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn ( ) {
+    echo "$*"
+}
+
+die ( ) {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+esac
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=$((i+1))
+    done
+    case $i in
+        (0) set -- ;;
+        (1) set -- "$args0" ;;
+        (2) set -- "$args0" "$args1" ;;
+        (3) set -- "$args0" "$args1" "$args2" ;;
+        (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
+function splitJvmOpts() {
+    JVM_OPTS=("$@")
+}
+eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
+JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+
+exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
--- a/thirdparty/transistor-background-fetch/android/gradlew.bat
+++ b/thirdparty/transistor-background-fetch/android/gradlew.bat
@ -0,0 +1,90 @@
+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS=
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto init
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto init
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:init
+@rem Get command-line arguments, handling Windowz variants
+
+if not "%OS%" == "Windows_NT" goto win9xME_args
+if "%@eval[2+2]" == "4" goto 4NT_args
+
+:win9xME_args
+@rem Slurp the command line arguments.
+set CMD_LINE_ARGS=
+set _SKIP=2
+
+:win9xME_args_slurp
+if "x%~1" == "x" goto execute
+
+set CMD_LINE_ARGS=%*
+goto execute
+
+:4NT_args
+@rem Get arguments from the 4NT Shell from JP Software
+set CMD_LINE_ARGS=%$
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega
--- a/thirdparty/transistor-background-fetch/android/settings.gradle
+++ b/thirdparty/transistor-background-fetch/android/settings.gradle
@ -0,0 +1 @@
+include ':app', ':tsbackgroundfetch'
--- a/thirdparty/transistor-background-fetch/android/tsbackgroundfetch/$WORKSPACE_PATH/NativeScript/background-geolocation/nativescript-background-fetch/src/platforms/android/libs/tsbackgroundfetch.aar
+++ b/thirdparty/transistor-background-fetch/android/tsbackgroundfetch/$WORKSPACE_PATH/NativeScript/background-geolocation/nativescript-background-fetch/src/platforms/android/libs/tsbackgroundfetch.aar
--- a/thirdparty/transistor-background-fetch/android/tsbackgroundfetch/.gitignore
+++ b/thirdparty/transistor-background-fetch/android/tsbackgroundfetch/.gitignore
@ -0,0 +1 @@
+/build
--- a/thirdparty/transistor-background-fetch/android/tsbackgroundfetch/build.gradle
+++ b/thirdparty/transistor-background-fetch/android/tsbackgroundfetch/build.gradle
@ -0,0 +1,138 @@
+apply plugin: 'com.android.library'
+apply plugin: 'maven'
+apply plugin: 'maven-publish'
+
+android {
+    compileSdkVersion rootProject.compileSdkVersion
+    defaultConfig {
+        minSdkVersion 16
+        targetSdkVersion rootProject.targetSdkVersion
+        versionCode 1
+        versionName "1.0"
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+    publishing {
+        publications {
+            tslocationmanager(MavenPublication) {
+                groupId 'com.transistorsoft'
+                artifactId 'tsbackgroundfetch'
+                version VERSION_NAME
+                artifact("$buildDir/outputs/aar/tsbackgroundfetch-release.aar")
+
+            }
+        }
+        repositories {
+            maven {
+                url "$buildDir/repo"
+            }
+        }
+    }
+}
+
+dependencies {
+    testImplementation 'junit:junit:4.12'
+    androidTestImplementation 'androidx.test:runner:1.2.0'
+
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+
+    //implementation "androidx.appcompat:appcompat:$rootProject.appCompatVersion"
+
+}
+
+// Build Release
+task buildRelease { task ->
+    task.dependsOn 'cordovaRelease'
+    task.dependsOn 'reactNativeRelease'
+    task.dependsOn 'nativeScriptRelease'
+    task.dependsOn 'flutterRelease'
+}
+
+// Publish Release.
+task publishRelease { task ->
+    task.dependsOn 'assembleRelease'
+}
+tasks["publishRelease"].mustRunAfter("assembleRelease")
+tasks["publishRelease"].finalizedBy("publish")
+
+def WORKSPACE_PATH = "/Volumes/Glyph2TB/Users/chris/workspace"
+
+// Build local maven repo.
+def LIBRARY_PATH = "com/transistorsoft/tsbackgroundfetch"
+task buildLocalRepository { task ->
+    task.dependsOn 'publishRelease'
+    doLast {
+        delete "$buildDir/repo-local"
+        copy {
+            from "$buildDir/repo/$LIBRARY_PATH/$VERSION_NAME"
+            into "$buildDir/repo-local/$LIBRARY_PATH/$VERSION_NAME"
+        }
+        copy {
+            from("$buildDir/repo/$LIBRARY_PATH/maven-metadata.xml")
+            into("$buildDir/repo-local/$LIBRARY_PATH")
+        }
+    }
+}
+
+def cordovaDir = "$WORKSPACE_PATH/cordova/background-geolocation/cordova-plugin-background-fetch"
+task cordovaRelease { task ->
+    task.dependsOn 'buildLocalRepository'
+    doLast {
+        delete "$cordovaDir/src/android/libs"
+        copy {
+            // Maven repo format.
+            from("$buildDir/repo-local")
+            into("$cordovaDir/src/android/libs")
+            // OLD FORMAT
+            //from("$buildDir/outputs/aar/tsbackgroundfetch-release.aar")
+            //into("$cordovaDir/src/android/libs/tsbackgroundfetch")
+            //rename(/(.*)-release/, '$1-' + VERSION_NAME)
+        }
+    }
+}
+
+def reactNativeDir = "$WORKSPACE_PATH/react/background-geolocation/react-native-background-fetch"
+task reactNativeRelease { task ->
+    task.dependsOn 'buildLocalRepository'
+    doLast {
+        delete "$reactNativeDir/android/libs"
+        copy {
+            // Maven repo format.
+            from("$buildDir/repo-local")
+            into("$reactNativeDir/android/libs")
+            // OLD format.
+            //from("$buildDir/outputs/aar/tsbackgroundfetch-release.aar")
+            //into("$reactNativeDir/android/libs")
+            //rename(/(.*)-release/, '$1-' + VERSION_NAME)
+        }
+    }
+}
+
+def flutterDir = "$WORKSPACE_PATH/background-geolocation/flutter/flutter_background_fetch"
+task flutterRelease { task ->
+    task.dependsOn 'buildLocalRepository'
+    doLast {
+        delete "$flutterDir/android/libs"
+        copy {
+            // Maven repo format.
+            from("$buildDir/repo-local")
+            into("$flutterDir/android/libs")
+            // OLD format.
+            //from("$buildDir/outputs/aar/tsbackgroundfetch-release.aar")
+            //into("$flutterDir/android/libs")
+            //rename(/(.*)-release/, '$1-' + VERSION_NAME)
+        }
+    }
+}
+
+task nativeScriptRelease(type: Copy) {
+    from('./build/outputs/aar/tsbackgroundfetch-release.aar')
+    into("$WORKSPACE_PATH/NativeScript/background-geolocation/nativescript-background-fetch/src/platforms/android/libs")
+    rename('tsbackgroundfetch-release.aar', 'tsbackgroundfetch.aar')
+}
--- a/thirdparty/transistor-background-fetch/android/tsbackgroundfetch/proguard-rules.pro
+++ b/thirdparty/transistor-background-fetch/android/tsbackgroundfetch/proguard-rules.pro
@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile
--- a/thirdparty/transistor-background-fetch/android/tsbackgroundfetch/src/androidTest/java/com/transistorsoft/tsbackgroundfetch/ExampleInstrumentedTest.java
+++ b/thirdparty/transistor-background-fetch/android/tsbackgroundfetch/src/androidTest/java/com/transistorsoft/tsbackgroundfetch/ExampleInstrumentedTest.java
@ -0,0 +1,26 @@
+package com.transistorsoft.tsbackgroundfetch;
+
+import android.content.Context;
+import android.support.test.InstrumentationRegistry;
+import android.support.test.runner.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import static org.junit.Assert.*;
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+@RunWith(AndroidJUnit4.class)
+public class ExampleInstrumentedTest {
+    @Test
+    public void useAppContext() throws Exception {
+        // Context of the app under test.
+        Context appContext = InstrumentationRegistry.getTargetContext();
+
+        assertEquals("com.transistorsoft.tsbackgroundfetch.test", appContext.getPackageName());
+    }
+}
--- a/thirdparty/transistor-background-fetch/android/tsbackgroundfetch/src/main/AndroidManifest.xml
+++ b/thirdparty/transistor-background-fetch/android/tsbackgroundfetch/src/main/AndroidManifest.xml
@ -0,0 +1,17 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.transistorsoft.tsbackgroundfetch">
+
+    <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
+    <uses-permission android:name="android.permission.WAKE_LOCK" />
+    <uses-permission android:name="android.permission.GET_TASKS" />
+    <application>
+        <receiver android:name="com.transistorsoft.tsbackgroundfetch.FetchAlarmReceiver" />
+        <service android:name="com.transistorsoft.tsbackgroundfetch.FetchJobService" android:permission="android.permission.BIND_JOB_SERVICE" android:exported="true" />
+        <receiver android:name="com.transistorsoft.tsbackgroundfetch.BootReceiver">
+            <intent-filter>
+                <action android:name="android.intent.action.BOOT_COMPLETED" />
+                <action android:name="android.intent.action.MY_PACKAGE_REPLACED" />
+            </intent-filter>
+        </receiver>
+    </application>
+</manifest>
--- a/thirdparty/transistor-background-fetch/android/tsbackgroundfetch/src/main/java/com/transistorsoft/tsbackgroundfetch/BGTask.java
+++ b/thirdparty/transistor-background-fetch/android/tsbackgroundfetch/src/main/java/com/transistorsoft/tsbackgroundfetch/BGTask.java
@ -0,0 +1,279 @@
+package com.transistorsoft.tsbackgroundfetch;
+
+import android.app.AlarmManager;
+import android.app.PendingIntent;
+import android.app.job.JobInfo;
+import android.app.job.JobScheduler;
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.Intent;
+import android.os.Build;
+import android.os.PersistableBundle;
+import android.util.Log;
+
+import org.json.JSONException;
+import org.json.JSONObject;
+
+import java.lang.reflect.Constructor;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.TimeUnit;
+
+public class BGTask {
+    static int MAX_TIME = 60000;
+
+    private static final List<BGTask> mTasks = new ArrayList<>();
+
+    static BGTask getTask(String taskId) {
+        synchronized (mTasks) {
+            for (BGTask task : mTasks) {
+                if (task.hasTaskId(taskId)) return task;
+            }
+        }
+        return null;
+    }
+
+    static void addTask(BGTask task) {
+        synchronized (mTasks) {
+            mTasks.add(task);
+        }
+    }
+
+    static void removeTask(String taskId) {
+        synchronized (mTasks) {
+            BGTask found = null;
+            for (BGTask task : mTasks) {
+                if (task.hasTaskId(taskId)) {
+                    found = task;
+                    break;
+                }
+            }
+            if (found != null) {
+                mTasks.remove(found);
+            }
+        }
+    }
+
+    static void clear() {
+        synchronized (mTasks) {
+            mTasks.clear();
+        }
+    }
+
+    private FetchJobService.CompletionHandler mCompletionHandler;
+    private String mTaskId;
+    private int mJobId;
+    private Runnable mTimeoutTask;
+    private boolean mTimedout = false;
+
+    BGTask(final Context context, String taskId, FetchJobService.CompletionHandler handler, int jobId) {
+        mTaskId = taskId;
+        mCompletionHandler = handler;
+        mJobId = jobId;
+
+        mTimeoutTask = new Runnable() {
+            @Override public void run() {
+                onTimeout(context);
+            }
+        };
+        BackgroundFetch.getUiHandler().postDelayed(mTimeoutTask, MAX_TIME);
+    }
+
+    public boolean getTimedOut() {
+        return mTimedout;
+    }
+
+    public String getTaskId() { return mTaskId; }
+
+    int getJobId() { return mJobId; }
+
+    boolean hasTaskId(String taskId) {
+        return ((mTaskId != null) && mTaskId.equalsIgnoreCase(taskId));
+    }
+
+    void setCompletionHandler(FetchJobService.CompletionHandler handler) {
+        mCompletionHandler = handler;
+    }
+
+    void finish() {
+        if (mCompletionHandler != null) {
+            mCompletionHandler.finish();
+        }
+        if (mTimeoutTask != null) {
+            BackgroundFetch.getUiHandler().removeCallbacks(mTimeoutTask);
+        }
+        mCompletionHandler = null;
+        removeTask(mTaskId);
+    }
+
+    static void schedule(Context context, BackgroundFetchConfig config) {
+        Log.d(BackgroundFetch.TAG, config.toString());
+
+        long interval = (config.isFetchTask()) ? (TimeUnit.MINUTES.toMillis(config.getMinimumFetchInterval())) : config.getDelay();
+
+        if (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP && !config.getForceAlarmManager()) {
+            // API 21+ uses new JobScheduler API
+
+            JobScheduler jobScheduler = (JobScheduler) context.getSystemService(Context.JOB_SCHEDULER_SERVICE);
+            JobInfo.Builder builder = new JobInfo.Builder(config.getJobId(), new ComponentName(context, FetchJobService.class))
+                    .setRequiredNetworkType(config.getRequiredNetworkType())
+                    .setRequiresDeviceIdle(config.getRequiresDeviceIdle())
+                    .setRequiresCharging(config.getRequiresCharging())
+                    .setPersisted(config.getStartOnBoot() && !config.getStopOnTerminate());
+
+            if (config.getPeriodic()) {
+                if (android.os.Build.VERSION.SDK_INT >= 24) {
+                    builder.setPeriodic(interval, interval);
+                } else {
+                    builder.setPeriodic(interval);
+                }
+            } else {
+                builder.setMinimumLatency(interval);
+            }
+            PersistableBundle extras = new PersistableBundle();
+            extras.putString(BackgroundFetchConfig.FIELD_TASK_ID, config.getTaskId());
+            builder.setExtras(extras);
+
+            if (android.os.Build.VERSION.SDK_INT >= 26) {
+                builder.setRequiresStorageNotLow(config.getRequiresStorageNotLow());
+                builder.setRequiresBatteryNotLow(config.getRequiresBatteryNotLow());
+            }
+            if (jobScheduler != null) {
+                jobScheduler.schedule(builder.build());
+            }
+        } else {
+            // Everyone else get AlarmManager
+            AlarmManager alarmManager = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE);
+            if (alarmManager != null) {
+                PendingIntent pi = getAlarmPI(context, config.getTaskId());
+                long delay = System.currentTimeMillis() + interval;
+                if (config.getPeriodic()) {
+                    alarmManager.setRepeating(AlarmManager.RTC_WAKEUP, delay, interval, pi);
+                } else {
+                    if (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+                        alarmManager.setExactAndAllowWhileIdle(AlarmManager.RTC_WAKEUP, delay, pi);
+                    } else if (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
+                        alarmManager.setExact(AlarmManager.RTC_WAKEUP, delay, pi);
+                    } else {
+                        alarmManager.set(AlarmManager.RTC_WAKEUP, delay, pi);
+                    }
+                }
+            }
+        }
+    }
+
+    void onTimeout(Context context) {
+        mTimedout = true;
+        Log.d(BackgroundFetch.TAG, "[BGTask] timeout: " + mTaskId);
+
+        BackgroundFetch adapter = BackgroundFetch.getInstance(context);
+
+        if (adapter.isMainActivityActive()) {
+            BackgroundFetch.Callback callback = adapter.getFetchCallback();
+            if (callback != null) {
+                callback.onTimeout(mTaskId);
+            }
+        } else {
+            BackgroundFetchConfig config = adapter.getConfig(mTaskId);
+            if (config != null) {
+                if (config.getJobService() != null) {
+                    fireHeadlessEvent(context, config);
+                } else {
+                    adapter.finish(mTaskId);
+                }
+            } else {
+                Log.e(BackgroundFetch.TAG, "[BGTask] failed to load config for taskId: " + mTaskId);
+                adapter.finish(mTaskId);
+            }
+        }
+    }
+
+    // Fire a headless background-fetch event by reflecting an instance of Config.jobServiceClass.
+    // Will attempt to reflect upon two different forms of Headless class:
+    // 1:  new HeadlessTask(context, taskId)
+    //   or
+    // 2:  new HeadlessTask().onFetch(context, taskId);
+    //
+    void fireHeadlessEvent(Context context, BackgroundFetchConfig config) throws Error {
+        try {
+            // Get class via reflection.
+            Class<?> HeadlessClass = Class.forName(config.getJobService());
+            Class[] types = { Context.class, BGTask.class };
+            Object[] params = { context, this};
+            try {
+                // 1:  new HeadlessTask(context, taskId);
+                Constructor<?> constructor = HeadlessClass.getDeclaredConstructor(types);
+                constructor.newInstance(params);
+            } catch (NoSuchMethodException e) {
+                // 2:  new HeadlessTask().onFetch(context, taskId);
+                Constructor<?> constructor = HeadlessClass.getConstructor();
+                Object instance = constructor.newInstance();
+                Method onFetch = instance.getClass().getDeclaredMethod("onFetch", types);
+                onFetch.invoke(instance, params);
+            }
+        } catch (ClassNotFoundException e) {
+            throw new Error(e.getMessage());
+        } catch (NoSuchMethodException e) {
+            throw new Error(e.getMessage());
+        } catch (IllegalAccessException e) {
+            throw new Error(e.getMessage());
+        } catch (InstantiationException e) {
+            throw new Error(e.getMessage());
+        } catch (InvocationTargetException e) {
+            throw new Error(e.getMessage());
+        }
+    }
+
+    static void cancel(Context context, String taskId, int jobId) {
+        Log.i(BackgroundFetch.TAG, "- cancel taskId=" + taskId + ", jobId=" + jobId);
+        if (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP && (jobId != 0)) {
+            JobScheduler jobScheduler = (JobScheduler) context.getSystemService(Context.JOB_SCHEDULER_SERVICE);
+            if (jobScheduler != null) {
+                jobScheduler.cancel(jobId);
+            }
+        } else {
+            AlarmManager alarmManager = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE);
+            if (alarmManager != null) {
+                alarmManager.cancel(BGTask.getAlarmPI(context, taskId));
+            }
+        }
+    }
+
+    static PendingIntent getAlarmPI(Context context, String taskId) {
+        Intent intent = new Intent(context, FetchAlarmReceiver.class);
+        intent.setAction(taskId);
+        return PendingIntent.getBroadcast(context, 0, intent, PendingIntent.FLAG_UPDATE_CURRENT);
+    }
+
+    public String toString() {
+        return "[BGTask taskId=" + mTaskId + "]";
+    }
+
+    public Map<String, Object> toMap() {
+        Map<String, Object> map = new HashMap<>();
+        map.put("taskId", mTaskId);
+        map.put("timeout", mTimedout);
+        return map;
+    }
+
+    public JSONObject toJson() {
+        JSONObject json = new JSONObject();
+        try {
+            json.put("taskId", mTaskId);
+            json.put("timeout", mTimedout);
+        } catch (JSONException e) {
+            e.printStackTrace();
+        }
+        return json;
+    }
+
+    static class Error extends RuntimeException {
+        public Error(String msg) {
+            super(msg);
+        }
+    }
+}
--- a/thirdparty/transistor-background-fetch/android/tsbackgroundfetch/src/main/java/com/transistorsoft/tsbackgroundfetch/BackgroundFetch.java
+++ b/thirdparty/transistor-background-fetch/android/tsbackgroundfetch/src/main/java/com/transistorsoft/tsbackgroundfetch/BackgroundFetch.java
@ -0,0 +1,306 @@
+package com.transistorsoft.tsbackgroundfetch;
+
+import android.annotation.TargetApi;
+import android.app.ActivityManager;
+
+import android.content.Context;
+import android.os.Build;
+import android.os.Handler;
+import android.os.Looper;
+
+import android.util.Log;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+
+/**
+ * Created by chris on 2018-01-11.
+ */
+
+public class BackgroundFetch {
+    public static final String TAG = "TSBackgroundFetch";
+
+    public static final String ACTION_CONFIGURE = "configure";
+    public static final String ACTION_START     = "start";
+    public static final String ACTION_STOP      = "stop";
+    public static final String ACTION_FINISH    = "finish";
+    public static final String ACTION_STATUS    = "status";
+    public static final String ACTION_FORCE_RELOAD = TAG + "-forceReload";
+
+    public static final String EVENT_FETCH      = ".event.BACKGROUND_FETCH";
+
+    public static final int STATUS_AVAILABLE = 2;
+
+    private static BackgroundFetch mInstance = null;
+
+    private static ExecutorService sThreadPool;
+
+    private static Handler uiHandler;
+
+    @SuppressWarnings({"WeakerAccess"})
+    public static Handler getUiHandler() {
+        if (uiHandler == null) {
+            uiHandler = new Handler(Looper.getMainLooper());
+        }
+        return uiHandler;
+    }
+
+    @SuppressWarnings({"WeakerAccess"})
+    public static ExecutorService getThreadPool() {
+        if (sThreadPool == null) {
+            sThreadPool = Executors.newCachedThreadPool();
+        }
+        return sThreadPool;
+    }
+
+    @SuppressWarnings({"WeakerAccess"})
+    public static BackgroundFetch getInstance(Context context) {
+        if (mInstance == null) {
+            mInstance = getInstanceSynchronized(context.getApplicationContext());
+        }
+        return mInstance;
+    }
+
+    private static synchronized BackgroundFetch getInstanceSynchronized(Context context) {
+        if (mInstance == null) mInstance = new BackgroundFetch(context.getApplicationContext());
+        return mInstance;
+    }
+
+    private Context mContext;
+    private BackgroundFetch.Callback mFetchCallback;
+
+    private final Map<String, BackgroundFetchConfig> mConfig = new HashMap<>();
+
+    private BackgroundFetch(Context context) {
+        mContext = context;
+    }
+
+    @SuppressWarnings({"unused"})
+    public void configure(BackgroundFetchConfig config, BackgroundFetch.Callback callback) {
+        Log.d(TAG, "- " + ACTION_CONFIGURE);
+        mFetchCallback = callback;
+
+        synchronized (mConfig) {
+            mConfig.put(config.getTaskId(), config);
+        }
+        start(config.getTaskId());
+    }
+
+    void onBoot() {
+        BackgroundFetchConfig.load(mContext, new BackgroundFetchConfig.OnLoadCallback() {
+            @Override public void onLoad(List<BackgroundFetchConfig> result) {
+                for (BackgroundFetchConfig config : result) {
+                    if (!config.getStartOnBoot() || config.getStopOnTerminate()) {
+                        config.destroy(mContext);
+                        continue;
+                    }
+                    synchronized (mConfig) {
+                        mConfig.put(config.getTaskId(), config);
+                    }
+                    if ((android.os.Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP_MR1) || config.getForceAlarmManager()) {
+                        if (config.isFetchTask()) {
+                            start(config.getTaskId());
+                        } else {
+                            scheduleTask(config);
+                        }
+                    }
+                }
+            }
+        });
+    }
+
+    @SuppressWarnings({"WeakerAccess"})
+    @TargetApi(21)
+    public void start(String fetchTaskId) {
+        Log.d(TAG, "- " + ACTION_START);
+
+        BGTask task = BGTask.getTask(fetchTaskId);
+        if (task != null) {
+            Log.e(TAG, "[" + TAG + " start] Task " + fetchTaskId + " already registered");
+            return;
+        }
+        registerTask(fetchTaskId);
+    }
+
+    @SuppressWarnings({"WeakerAccess"})
+    public void stop(String taskId) {
+        String msg = "- " + ACTION_STOP;
+        if (taskId != null) {
+            msg += ": " + taskId;
+        }
+        Log.d(TAG, msg);
+
+        if (taskId == null) {
+            synchronized (mConfig) {
+                for (BackgroundFetchConfig config : mConfig.values()) {
+                    BGTask task = BGTask.getTask(config.getTaskId());
+                    if (task != null) {
+                        task.finish();
+                        BGTask.removeTask(config.getTaskId());
+                    }
+                    BGTask.cancel(mContext, config.getTaskId(), config.getJobId());
+                    config.destroy(mContext);
+                }
+                BGTask.clear();
+            }
+        } else {
+            BGTask task = BGTask.getTask(taskId);
+            if (task != null) {
+                task.finish();
+                BGTask.removeTask(task.getTaskId());
+            }
+            BackgroundFetchConfig config = getConfig(taskId);
+            if (config != null) {
+                config.destroy(mContext);
+                BGTask.cancel(mContext, config.getTaskId(), config.getJobId());
+            }
+        }
+    }
+
+    @SuppressWarnings({"WeakerAccess"})
+    public void scheduleTask(BackgroundFetchConfig config) {
+        synchronized (mConfig) {
+            if (mConfig.containsKey(config.getTaskId())) {
+                // This BackgroundFetchConfig already exists?  Should we halt any existing Job/Alarm here?
+            }
+            config.save(mContext);
+            mConfig.put(config.getTaskId(), config);
+        }
+        String taskId = config.getTaskId();
+        registerTask(taskId);
+    }
+
+    @SuppressWarnings({"WeakerAccess"})
+    public void finish(String taskId) {
+        Log.d(TAG, "- " + ACTION_FINISH + ": " + taskId);
+
+        BGTask task = BGTask.getTask(taskId);
+        if (task != null) {
+            task.finish();
+        }
+
+        BackgroundFetchConfig config = getConfig(taskId);
+
+        if ((config != null) && !config.getPeriodic()) {
+            config.destroy(mContext);
+            synchronized (mConfig) {
+                mConfig.remove(taskId);
+            }
+        }
+    }
+
+    public int status() {
+        return STATUS_AVAILABLE;
+    }
+
+    BackgroundFetch.Callback getFetchCallback() {
+        return mFetchCallback;
+    }
+
+    void onFetch(final BGTask task) {
+        BGTask.addTask(task);
+        Log.d(TAG, "- Background Fetch event received: " + task.getTaskId());
+        synchronized (mConfig) {
+            if (mConfig.isEmpty()) {
+                BackgroundFetchConfig.load(mContext, new BackgroundFetchConfig.OnLoadCallback() {
+                    @Override
+                    public void onLoad(List<BackgroundFetchConfig> result) {
+                        synchronized (mConfig) {
+                            for (BackgroundFetchConfig config : result) {
+                                mConfig.put(config.getTaskId(), config);
+                            }
+                        }
+                        doFetch(task);
+                    }
+                });
+
+                return;
+            }
+        }
+        doFetch(task);
+    }
+
+    private void registerTask(String taskId) {
+        Log.d(TAG, "- registerTask: " + taskId);
+
+        BackgroundFetchConfig config = getConfig(taskId);
+
+        if (config == null) {
+            Log.e(TAG, "- registerTask failed to find BackgroundFetchConfig for taskId " + taskId);
+            return;
+        }
+        config.save(mContext);
+
+        BGTask.schedule(mContext, config);
+    }
+
+    private void doFetch(BGTask task) {
+        BackgroundFetchConfig config = getConfig(task.getTaskId());
+
+        if (config == null) {
+            BGTask.cancel(mContext, task.getTaskId(), task.getJobId());
+            return;
+        }
+
+        if (isMainActivityActive()) {
+            if (mFetchCallback != null) {
+                mFetchCallback.onFetch(task.getTaskId());
+            }
+        } else if (config.getStopOnTerminate()) {
+            Log.d(TAG, "- Stopping on terminate");
+            stop(task.getTaskId());
+        } else if (config.getJobService() != null) {
+            try {
+                task.fireHeadlessEvent(mContext, config);
+            } catch (BGTask.Error e) {
+                Log.e(TAG, "Headless task error: " + e.getMessage());
+                e.printStackTrace();
+            }
+        } else {
+            // {stopOnTerminate: false, forceReload: false} with no Headless JobService??  Don't know what else to do here but stop
+            Log.w(TAG, "- BackgroundFetch event has occurred while app is terminated but there's no jobService configured to handle the event.  BackgroundFetch will terminate.");
+            finish(task.getTaskId());
+            stop(task.getTaskId());
+        }
+    }
+
+    @SuppressWarnings({"WeakerAccess", "deprecation"})
+    public Boolean isMainActivityActive() {
+        Boolean isActive = false;
+
+        if (mContext == null || mFetchCallback == null) {
+            return false;
+        }
+        ActivityManager activityManager = (ActivityManager) mContext.getSystemService(Context.ACTIVITY_SERVICE);
+        try {
+            List<ActivityManager.RunningTaskInfo> tasks = activityManager.getRunningTasks(Integer.MAX_VALUE);
+            for (ActivityManager.RunningTaskInfo task : tasks) {
+                if (mContext.getPackageName().equalsIgnoreCase(task.baseActivity.getPackageName())) {
+                    isActive = true;
+                    break;
+                }
+            }
+        } catch (java.lang.SecurityException e) {
+            Log.w(TAG, "TSBackgroundFetch attempted to determine if MainActivity is active but was stopped due to a missing permission.  Please add the permission 'android.permission.GET_TASKS' to your AndroidManifest.  See Installation steps for more information");
+            throw e;
+        }
+        return isActive;
+    }
+
+    BackgroundFetchConfig getConfig(String taskId) {
+        synchronized (mConfig) {
+            return (mConfig.containsKey(taskId)) ? mConfig.get(taskId) : null;
+        }
+    }
+
+    /**
+     * @interface BackgroundFetch.Callback
+     */
+    public interface Callback {
+        void onFetch(String taskId);
+        void onTimeout(String taskId);
+    }
+}
--- a/thirdparty/transistor-background-fetch/android/tsbackgroundfetch/src/main/java/com/transistorsoft/tsbackgroundfetch/BackgroundFetchConfig.java
+++ b/thirdparty/transistor-background-fetch/android/tsbackgroundfetch/src/main/java/com/transistorsoft/tsbackgroundfetch/BackgroundFetchConfig.java
@ -0,0 +1,362 @@
+package com.transistorsoft.tsbackgroundfetch;
+
+import android.app.job.JobInfo;
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.os.Build;
+import android.util.Log;
+
+import org.json.JSONException;
+import org.json.JSONObject;
+
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+
+/**
+ * Created by chris on 2018-01-11.
+ */
+
+public class BackgroundFetchConfig {
+    private Builder config;
+
+    private static final int MINIMUM_FETCH_INTERVAL = 1;
+    private static final int DEFAULT_FETCH_INTERVAL = 15;
+
+    public static final String FIELD_TASK_ID = "taskId";
+    public static final String FIELD_MINIMUM_FETCH_INTERVAL = "minimumFetchInterval";
+    public static final String FIELD_START_ON_BOOT = "startOnBoot";
+    public static final String FIELD_REQUIRED_NETWORK_TYPE = "requiredNetworkType";
+    public static final String FIELD_REQUIRES_BATTERY_NOT_LOW = "requiresBatteryNotLow";
+    public static final String FIELD_REQUIRES_CHARGING = "requiresCharging";
+    public static final String FIELD_REQUIRES_DEVICE_IDLE = "requiresDeviceIdle";
+    public static final String FIELD_REQUIRES_STORAGE_NOT_LOW = "requiresStorageNotLow";
+    public static final String FIELD_STOP_ON_TERMINATE = "stopOnTerminate";
+    public static final String FIELD_JOB_SERVICE = "jobService";
+    public static final String FIELD_FORCE_ALARM_MANAGER = "forceAlarmManager";
+    public static final String FIELD_PERIODIC = "periodic";
+    public static final String FIELD_DELAY = "delay";
+    public static final String FIELD_IS_FETCH_TASK = "isFetchTask";
+
+    public static class Builder {
+        private String taskId;
+        private int minimumFetchInterval           = DEFAULT_FETCH_INTERVAL;
+        private long delay                  = -1;
+        private boolean periodic            = false;
+        private boolean forceAlarmManager   = false;
+        private boolean stopOnTerminate     = true;
+        private boolean startOnBoot         = false;
+        private int requiredNetworkType     = 0;
+        private boolean requiresBatteryNotLow   = false;
+        private boolean requiresCharging    = false;
+        private boolean requiresDeviceIdle  = false;
+        private boolean requiresStorageNotLow = false;
+        private boolean isFetchTask         = false;
+
+        private String jobService           = null;
+
+        public Builder setTaskId(String taskId) {
+            this.taskId = taskId;
+            return this;
+        }
+
+        public Builder setIsFetchTask(boolean value) {
+            this.isFetchTask = value;
+            return this;
+        }
+
+        public Builder setMinimumFetchInterval(int fetchInterval) {
+            if (fetchInterval >= MINIMUM_FETCH_INTERVAL) {
+                this.minimumFetchInterval = fetchInterval;
+            }
+            return this;
+        }
+
+        public Builder setStopOnTerminate(boolean stopOnTerminate) {
+            this.stopOnTerminate = stopOnTerminate;
+            return this;
+        }
+
+        public Builder setStartOnBoot(boolean startOnBoot) {
+            this.startOnBoot = startOnBoot;
+            return this;
+        }
+
+        public Builder setRequiredNetworkType(int networkType) {
+
+            if (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP_MR1) {
+                if (
+                    (networkType != JobInfo.NETWORK_TYPE_ANY) &&
+                    (networkType != JobInfo.NETWORK_TYPE_CELLULAR) &&
+                    (networkType != JobInfo.NETWORK_TYPE_NONE) &&
+                    (networkType != JobInfo.NETWORK_TYPE_NOT_ROAMING) &&
+                    (networkType != JobInfo.NETWORK_TYPE_UNMETERED)
+                ) {
+                    Log.e(BackgroundFetch.TAG, "[ERROR] Invalid " + FIELD_REQUIRED_NETWORK_TYPE + ": " + networkType + "; Defaulting to NETWORK_TYPE_NONE");
+                    networkType = JobInfo.NETWORK_TYPE_NONE;
+                }
+                this.requiredNetworkType = networkType;
+            }
+            return this;
+        }
+
+        public Builder setRequiresBatteryNotLow(boolean value) {
+            this.requiresBatteryNotLow = value;
+            return this;
+        }
+
+        public Builder setRequiresCharging(boolean value) {
+            this.requiresCharging = value;
+            return this;
+        }
+
+        public Builder setRequiresDeviceIdle(boolean value) {
+            this.requiresDeviceIdle = value;
+            return this;
+        }
+
+        public Builder setRequiresStorageNotLow(boolean value) {
+            this.requiresStorageNotLow = value;
+            return this;
+        }
+
+        public Builder setJobService(String className) {
+            this.jobService = className;
+            return this;
+        }
+
+        public Builder setForceAlarmManager(boolean value) {
+            this.forceAlarmManager = value;
+            return this;
+        }
+
+        public Builder setPeriodic(boolean value) {
+            this.periodic = value;
+            return this;
+        }
+
+        public Builder setDelay(long value) {
+            this.delay = value;
+            return this;
+        }
+
+        public BackgroundFetchConfig build() {
+            return new BackgroundFetchConfig(this);
+        }
+
+        public BackgroundFetchConfig load(Context context, String taskId) {
+            SharedPreferences preferences = context.getSharedPreferences(BackgroundFetch.TAG + ":" + taskId, 0);
+            if (preferences.contains(FIELD_TASK_ID)) {
+                setTaskId(preferences.getString(FIELD_TASK_ID, taskId));
+            }
+            if (preferences.contains(FIELD_IS_FETCH_TASK)) {
+                setIsFetchTask(preferences.getBoolean(FIELD_IS_FETCH_TASK, isFetchTask));
+            }
+            if (preferences.contains(FIELD_MINIMUM_FETCH_INTERVAL)) {
+                setMinimumFetchInterval(preferences.getInt(FIELD_MINIMUM_FETCH_INTERVAL, minimumFetchInterval));
+            }
+            if (preferences.contains(FIELD_STOP_ON_TERMINATE)) {
+                setStopOnTerminate(preferences.getBoolean(FIELD_STOP_ON_TERMINATE, stopOnTerminate));
+            }
+            if (preferences.contains(FIELD_REQUIRED_NETWORK_TYPE)) {
+                setRequiredNetworkType(preferences.getInt(FIELD_REQUIRED_NETWORK_TYPE, requiredNetworkType));
+            }
+            if (preferences.contains(FIELD_REQUIRES_BATTERY_NOT_LOW)) {
+                setRequiresBatteryNotLow(preferences.getBoolean(FIELD_REQUIRES_BATTERY_NOT_LOW, requiresBatteryNotLow));
+            }
+            if (preferences.contains(FIELD_REQUIRES_CHARGING)) {
+                setRequiresCharging(preferences.getBoolean(FIELD_REQUIRES_CHARGING, requiresCharging));
+            }
+            if (preferences.contains(FIELD_REQUIRES_DEVICE_IDLE)) {
+                setRequiresDeviceIdle(preferences.getBoolean(FIELD_REQUIRES_DEVICE_IDLE, requiresDeviceIdle));
+            }
+            if (preferences.contains(FIELD_REQUIRES_STORAGE_NOT_LOW)) {
+                setRequiresStorageNotLow(preferences.getBoolean(FIELD_REQUIRES_STORAGE_NOT_LOW, requiresStorageNotLow));
+            }
+            if (preferences.contains(FIELD_START_ON_BOOT)) {
+                setStartOnBoot(preferences.getBoolean(FIELD_START_ON_BOOT, startOnBoot));
+            }
+            if (preferences.contains(FIELD_JOB_SERVICE)) {
+                setJobService(preferences.getString(FIELD_JOB_SERVICE, null));
+            }
+            if (preferences.contains(FIELD_FORCE_ALARM_MANAGER)) {
+                setForceAlarmManager(preferences.getBoolean(FIELD_FORCE_ALARM_MANAGER, forceAlarmManager));
+            }
+            if (preferences.contains(FIELD_PERIODIC)) {
+                setPeriodic(preferences.getBoolean(FIELD_PERIODIC, periodic));
+            }
+            if (preferences.contains(FIELD_DELAY)) {
+                setDelay(preferences.getLong(FIELD_DELAY, delay));
+            }
+            return new BackgroundFetchConfig(this);
+        }
+    }
+
+    private BackgroundFetchConfig(Builder builder) {
+        config = builder;
+        // Validate config
+        if (config.jobService == null) {
+            if (!config.stopOnTerminate) {
+                Log.w(BackgroundFetch.TAG, "- Configuration error:  In order to use stopOnTerminate: false, you must set enableHeadless: true");
+                config.setStopOnTerminate(true);
+            }
+            if (config.startOnBoot) {
+                Log.w(BackgroundFetch.TAG, "- Configuration error:  In order to use startOnBoot: true, you must enableHeadless: true");
+                config.setStartOnBoot(false);
+            }
+        }
+    }
+
+    void save(Context context) {
+        SharedPreferences preferences = context.getSharedPreferences(BackgroundFetch.TAG, 0);
+        Set<String> taskIds = preferences.getStringSet("tasks", new HashSet<String>());
+        if (taskIds == null) {
+            taskIds = new HashSet<>();
+        }
+        if (!taskIds.contains(config.taskId)) {
+            Set<String> newIds = new HashSet<>(taskIds);
+            newIds.add(config.taskId);
+
+            SharedPreferences.Editor editor = preferences.edit();
+            editor.putStringSet("tasks", newIds);
+            editor.apply();
+        }
+
+        SharedPreferences.Editor editor = context.getSharedPreferences(BackgroundFetch.TAG + ":" + config.taskId, 0).edit();
+
+        editor.putString(FIELD_TASK_ID, config.taskId);
+        editor.putBoolean(FIELD_IS_FETCH_TASK, config.isFetchTask);
+        editor.putInt(FIELD_MINIMUM_FETCH_INTERVAL, config.minimumFetchInterval);
+        editor.putBoolean(FIELD_STOP_ON_TERMINATE, config.stopOnTerminate);
+        editor.putBoolean(FIELD_START_ON_BOOT, config.startOnBoot);
+        editor.putInt(FIELD_REQUIRED_NETWORK_TYPE, config.requiredNetworkType);
+        editor.putBoolean(FIELD_REQUIRES_BATTERY_NOT_LOW, config.requiresBatteryNotLow);
+        editor.putBoolean(FIELD_REQUIRES_CHARGING, config.requiresCharging);
+        editor.putBoolean(FIELD_REQUIRES_DEVICE_IDLE, config.requiresDeviceIdle);
+        editor.putBoolean(FIELD_REQUIRES_STORAGE_NOT_LOW, config.requiresStorageNotLow);
+        editor.putString(FIELD_JOB_SERVICE, config.jobService);
+        editor.putBoolean(FIELD_FORCE_ALARM_MANAGER, config.forceAlarmManager);
+        editor.putBoolean(FIELD_PERIODIC, config.periodic);
+        editor.putLong(FIELD_DELAY, config.delay);
+
+        editor.apply();
+    }
+
+    void destroy(Context context) {
+        SharedPreferences preferences = context.getSharedPreferences(BackgroundFetch.TAG, 0);
+        Set<String> taskIds = preferences.getStringSet("tasks", new HashSet<String>());
+        if (taskIds == null) {
+            taskIds = new HashSet<>();
+        }
+        if (taskIds.contains(config.taskId)) {
+            Set<String> newIds = new HashSet<>(taskIds);
+            newIds.remove(config.taskId);
+            SharedPreferences.Editor editor = preferences.edit();
+            editor.putStringSet("tasks", newIds);
+            editor.apply();
+        }
+        if (!config.isFetchTask) {
+            SharedPreferences.Editor editor = context.getSharedPreferences(BackgroundFetch.TAG + ":" + config.taskId, 0).edit();
+            editor.clear();
+            editor.apply();
+        }
+    }
+
+    static int FETCH_JOB_ID = 999;
+
+    boolean isFetchTask() {
+        return config.isFetchTask;
+    }
+
+    public String getTaskId() { return config.taskId; }
+    public int getMinimumFetchInterval() {
+        return config.minimumFetchInterval;
+    }
+
+    public int getRequiredNetworkType() { return config.requiredNetworkType; }
+    public boolean getRequiresBatteryNotLow() { return config.requiresBatteryNotLow; }
+    public boolean getRequiresCharging() { return config.requiresCharging; }
+    public boolean getRequiresDeviceIdle() { return config.requiresDeviceIdle; }
+    public boolean getRequiresStorageNotLow() { return config.requiresStorageNotLow; }
+    public boolean getStopOnTerminate() {
+        return config.stopOnTerminate;
+    }
+    public boolean getStartOnBoot() {
+        return config.startOnBoot;
+    }
+
+    public String getJobService() { return config.jobService; }
+
+    public boolean getForceAlarmManager() {
+        return config.forceAlarmManager;
+    }
+
+    public boolean getPeriodic() {
+        return config.periodic || isFetchTask();
+    }
+
+    public long getDelay() {
+        return config.delay;
+    }
+
+    int getJobId() {
+        if (config.forceAlarmManager) {
+            return 0;
+        } else {
+            return (isFetchTask()) ? FETCH_JOB_ID : config.taskId.hashCode();
+        }
+    }
+
+    public String toString() {
+        JSONObject output = new JSONObject();
+        try {
+            output.put(FIELD_TASK_ID, config.taskId);
+            output.put(FIELD_IS_FETCH_TASK, config.isFetchTask);
+            output.put(FIELD_MINIMUM_FETCH_INTERVAL, config.minimumFetchInterval);
+            output.put(FIELD_STOP_ON_TERMINATE, config.stopOnTerminate);
+            output.put(FIELD_REQUIRED_NETWORK_TYPE, config.requiredNetworkType);
+            output.put(FIELD_REQUIRES_BATTERY_NOT_LOW, config.requiresBatteryNotLow);
+            output.put(FIELD_REQUIRES_CHARGING, config.requiresCharging);
+            output.put(FIELD_REQUIRES_DEVICE_IDLE, config.requiresDeviceIdle);
+            output.put(FIELD_REQUIRES_STORAGE_NOT_LOW, config.requiresStorageNotLow);
+            output.put(FIELD_START_ON_BOOT, config.startOnBoot);
+            output.put(FIELD_JOB_SERVICE, config.jobService);
+            output.put(FIELD_FORCE_ALARM_MANAGER, config.forceAlarmManager);
+            output.put(FIELD_PERIODIC, getPeriodic());
+            output.put(FIELD_DELAY, config.delay);
+
+            return output.toString(2);
+        } catch (JSONException e) {
+            e.printStackTrace();
+            return output.toString();
+        }
+    }
+
+    static void load(final Context context, final OnLoadCallback callback) {
+        BackgroundFetch.getThreadPool().execute(new Runnable() {
+            @Override
+            public void run() {
+                final List<BackgroundFetchConfig> result = new ArrayList<>();
+
+                SharedPreferences preferences = context.getSharedPreferences(BackgroundFetch.TAG, 0);
+                Set<String> taskIds = preferences.getStringSet("tasks", new HashSet<String>());
+
+                if (taskIds != null) {
+                    for (String taskId : taskIds) {
+                        result.add(new BackgroundFetchConfig.Builder().load(context, taskId));
+                    }
+                }
+                BackgroundFetch.getUiHandler().post(new Runnable() {
+                    @Override public void run() {
+                        callback.onLoad(result);
+                    }
+                });
+            }
+        });
+    }
+
+    interface OnLoadCallback {
+        void onLoad(List<BackgroundFetchConfig>config);
+    }
+}
--- a/thirdparty/transistor-background-fetch/android/tsbackgroundfetch/src/main/java/com/transistorsoft/tsbackgroundfetch/BootReceiver.java
+++ b/thirdparty/transistor-background-fetch/android/tsbackgroundfetch/src/main/java/com/transistorsoft/tsbackgroundfetch/BootReceiver.java
@ -0,0 +1,24 @@
+package com.transistorsoft.tsbackgroundfetch;
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.util.Log;
+
+/**
+ * Created by chris on 2018-01-15.
+ */
+
+public class BootReceiver extends BroadcastReceiver {
+
+    @Override
+    public void onReceive(final Context context, Intent intent) {
+        String action = intent.getAction();
+        Log.d(BackgroundFetch.TAG,  "BootReceiver: " + action);
+        BackgroundFetch.getThreadPool().execute(new Runnable() {
+            @Override public void run() {
+                BackgroundFetch.getInstance(context.getApplicationContext()).onBoot();
+            }
+        });
+    }
+}
--- a/thirdparty/transistor-background-fetch/android/tsbackgroundfetch/src/main/java/com/transistorsoft/tsbackgroundfetch/FetchAlarmReceiver.java
+++ b/thirdparty/transistor-background-fetch/android/tsbackgroundfetch/src/main/java/com/transistorsoft/tsbackgroundfetch/FetchAlarmReceiver.java
@ -0,0 +1,40 @@
+package com.transistorsoft.tsbackgroundfetch;
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.os.PowerManager;
+import android.util.Log;
+
+import static android.content.Context.POWER_SERVICE;
+
+/**
+ * Created by chris on 2018-01-11.
+ */
+
+public class FetchAlarmReceiver extends BroadcastReceiver {
+
+    @Override
+    public void onReceive(final Context context, Intent intent) {
+        PowerManager powerManager = (PowerManager) context.getSystemService(POWER_SERVICE);
+        final PowerManager.WakeLock wakeLock = powerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, BackgroundFetch.TAG + "::" + intent.getAction());
+        // WakeLock expires in MAX_TIME + 4s buffer.
+        wakeLock.acquire((BGTask.MAX_TIME + 4000));
+
+        final String taskId = intent.getAction();
+
+        final FetchJobService.CompletionHandler completionHandler = new FetchJobService.CompletionHandler() {
+            @Override
+            public void finish() {
+                if (wakeLock.isHeld()) {
+                    wakeLock.release();
+                    Log.d(BackgroundFetch.TAG, "- FetchAlarmReceiver finish");
+                }
+            }
+        };
+
+        BGTask task = new BGTask(context, taskId, completionHandler, 0);
+
+        BackgroundFetch.getInstance(context.getApplicationContext()).onFetch(task);
+    }
+}
--- a/thirdparty/transistor-background-fetch/android/tsbackgroundfetch/src/main/java/com/transistorsoft/tsbackgroundfetch/FetchJobService.java
+++ b/thirdparty/transistor-background-fetch/android/tsbackgroundfetch/src/main/java/com/transistorsoft/tsbackgroundfetch/FetchJobService.java
@ -0,0 +1,50 @@
+package com.transistorsoft.tsbackgroundfetch;
+
+import android.annotation.TargetApi;
+import android.app.job.JobParameters;
+import android.app.job.JobService;
+import android.os.PersistableBundle;
+import android.util.Log;
+
+/**
+ * Created by chris on 2018-01-11.
+ */
+@TargetApi(21)
+public class FetchJobService extends JobService {
+    @Override
+    public boolean onStartJob(final JobParameters params) {
+        PersistableBundle extras = params.getExtras();
+        final String taskId = extras.getString(BackgroundFetchConfig.FIELD_TASK_ID);
+
+        CompletionHandler completionHandler = new CompletionHandler() {
+            @Override
+            public void finish() {
+                Log.d(BackgroundFetch.TAG, "- jobFinished");
+                jobFinished(params, false);
+            }
+        };
+        BGTask task = new BGTask(this, taskId, completionHandler, params.getJobId());
+        BackgroundFetch.getInstance(getApplicationContext()).onFetch(task);
+
+        return true;
+    }
+
+    @Override
+    public boolean onStopJob(final JobParameters params) {
+        Log.d(BackgroundFetch.TAG, "- onStopJob");
+
+        PersistableBundle extras = params.getExtras();
+        final String taskId = extras.getString(BackgroundFetchConfig.FIELD_TASK_ID);
+
+        BGTask task = BGTask.getTask(taskId);
+        if (task != null) {
+            task.onTimeout(getApplicationContext());
+        }
+        jobFinished(params, false);
+        return true;
+    }
+
+    public interface CompletionHandler {
+        void finish();
+    }
+}
--- a/thirdparty/transistor-background-fetch/android/tsbackgroundfetch/src/main/res/values/strings.xml
+++ b/thirdparty/transistor-background-fetch/android/tsbackgroundfetch/src/main/res/values/strings.xml
@ -0,0 +1,3 @@
+<resources>
+    <string name="app_name">TSBackgroundFetch</string>
+</resources>
--- a/thirdparty/transistor-background-fetch/android/tsbackgroundfetch/src/test/java/com/transistorsoft/tsbackgroundfetch/ExampleUnitTest.java
+++ b/thirdparty/transistor-background-fetch/android/tsbackgroundfetch/src/test/java/com/transistorsoft/tsbackgroundfetch/ExampleUnitTest.java
@ -0,0 +1,17 @@
+package com.transistorsoft.tsbackgroundfetch;
+
+import org.junit.Test;
+
+import static org.junit.Assert.*;
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+public class ExampleUnitTest {
+    @Test
+    public void addition_isCorrect() throws Exception {
+        assertEquals(4, 2 + 2);
+    }
+}
--- a/thirdparty/transistor-background-fetch/ios/TSBackgroundFetch/TSBackgroundFetch.framework/Headers/TSBackgroundFetch.h
+++ b/thirdparty/transistor-background-fetch/ios/TSBackgroundFetch/TSBackgroundFetch.framework/Headers/TSBackgroundFetch.h
@ -0,0 +1,45 @@
+//
+//  RNBackgroundFetchManager.h
+//  RNBackgroundFetch
+//
+//  Created by Christopher Scott on 2016-08-02.
+//  Copyright © 2016 Christopher Scott. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+#import <UIKit/UIKit.h>
+#import <BackgroundTasks/BackgroundTasks.h>
+
+@interface TSBackgroundFetch : NSObject
+
+@property (nonatomic) BOOL stopOnTerminate;
+@property (readonly) BOOL configured;
+@property (readonly) BOOL active;
+@property (readonly) NSString *fetchTaskId;
+
+ (TSBackgroundFetch *)sharedInstance;
+
+-(void) didFinishLaunching;
+-(void) registerAppRefreshTask;
+-(void) registerBGProcessingTask:(NSString*)identifier;
+
+-(void) configure:(NSTimeInterval)delay callback:(void(^)(UIBackgroundRefreshStatus status))callback;
+
+-(NSError*) scheduleProcessingTaskWithIdentifier:(NSString*)identifier delay:(NSTimeInterval)delay periodic:(BOOL)periodic callback:(void (^)(NSString* taskId, BOOL timeout))callback;
+
+-(NSError*) scheduleProcessingTaskWithIdentifier:(NSString*)identifier delay:(NSTimeInterval)delay periodic:(BOOL)periodic requiresExternalPower:(BOOL)requiresExternalPower requiresNetworkConnectivity:(BOOL)requiresNetworkConnectivity callback:(void (^)(NSString* taskId, BOOL timeout))callback;
+
+-(void) addListener:(NSString*)componentName callback:(void (^)(NSString* componentName))callback;
+-(void) addListener:(NSString*)componentName callback:(void (^)(NSString* componentName))callback timeout:(void (^)(NSString* componentName))timeout;
+-(void) removeListener:(NSString*)componentName;
+-(BOOL) hasListener:(NSString*)componentName;
+
+-(NSError*) start:(NSString*)identifier;
+-(void) stop:(NSString*)identifier;
+-(void) finish:(NSString*)tag;
+-(void) status:(void(^)(UIBackgroundRefreshStatus status))callback;
+
+// @deprecated API
+-(void) performFetchWithCompletionHandler:(void (^)(UIBackgroundFetchResult))handler applicationState:(UIApplicationState)state;
+@end
+
--- a/thirdparty/transistor-background-fetch/ios/TSBackgroundFetch/TSBackgroundFetch.framework/Info.plist
+++ b/thirdparty/transistor-background-fetch/ios/TSBackgroundFetch/TSBackgroundFetch.framework/Info.plist
--- a/thirdparty/transistor-background-fetch/ios/TSBackgroundFetch/TSBackgroundFetch.framework/Modules/module.modulemap
+++ b/thirdparty/transistor-background-fetch/ios/TSBackgroundFetch/TSBackgroundFetch.framework/Modules/module.modulemap
@ -0,0 +1,6 @@
+framework module TSBackgroundFetch {
+  umbrella header "TSBackgroundFetch.h"
+
+  export *
+  module * { export * }
+}
--- a/thirdparty/transistor-background-fetch/ios/TSBackgroundFetch/TSBackgroundFetch.framework/TSBackgroundFetch
+++ b/thirdparty/transistor-background-fetch/ios/TSBackgroundFetch/TSBackgroundFetch.framework/TSBackgroundFetch
--- a/thirdparty/transistor-background-fetch/ios/TSBackgroundFetch/TSBackgroundFetch.framework/_CodeSignature/CodeDirectory
+++ b/thirdparty/transistor-background-fetch/ios/TSBackgroundFetch/TSBackgroundFetch.framework/_CodeSignature/CodeDirectory
--- a/thirdparty/transistor-background-fetch/ios/TSBackgroundFetch/TSBackgroundFetch.framework/_CodeSignature/CodeRequirements
+++ b/thirdparty/transistor-background-fetch/ios/TSBackgroundFetch/TSBackgroundFetch.framework/_CodeSignature/CodeRequirements
--- a/thirdparty/transistor-background-fetch/ios/TSBackgroundFetch/TSBackgroundFetch.framework/_CodeSignature/CodeRequirements-1
+++ b/thirdparty/transistor-background-fetch/ios/TSBackgroundFetch/TSBackgroundFetch.framework/_CodeSignature/CodeRequirements-1
--- a/thirdparty/transistor-background-fetch/ios/TSBackgroundFetch/TSBackgroundFetch.framework/_CodeSignature/CodeResources
+++ b/thirdparty/transistor-background-fetch/ios/TSBackgroundFetch/TSBackgroundFetch.framework/_CodeSignature/CodeResources
@ -0,0 +1,151 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>files</key>
+	<dict>
+		<key>Headers/TSBackgroundFetch.h</key>
+		<data>
+		6IaHDuPW1C0nWBp03yKGD5PrgTY=
+		</data>
+		<key>Info.plist</key>
+		<data>
+		/q6b6t8hcxgtnV2U/r/pxyTm1is=
+		</data>
+		<key>Modules/module.modulemap</key>
+		<data>
+		4NbofBeHHFHeUWRZ1ZcIkl3/T3w=
+		</data>
+	</dict>
+	<key>files2</key>
+	<dict>
+		<key>Headers/TSBackgroundFetch.h</key>
+		<dict>
+			<key>hash</key>
+			<data>
+			6IaHDuPW1C0nWBp03yKGD5PrgTY=
+			</data>
+			<key>hash2</key>
+			<data>
+			Q6MbZjcbrHTACLwceQDEESRGhY9/uOOu7bCb71fOAfk=
+			</data>
+		</dict>
+		<key>Modules/module.modulemap</key>
+		<dict>
+			<key>hash</key>
+			<data>
+			4NbofBeHHFHeUWRZ1ZcIkl3/T3w=
+			</data>
+			<key>hash2</key>
+			<data>
+			ZZoRDGe9SOWekYXO71UHMmkagz+I18vRneUTVMd0WnY=
+			</data>
+		</dict>
+	</dict>
+	<key>rules</key>
+	<dict>
+		<key>^</key>
+		<true/>
+		<key>^.*\.lproj/</key>
+		<dict>
+			<key>optional</key>
+			<true/>
+			<key>weight</key>
+			<real>1000</real>
+		</dict>
+		<key>^.*\.lproj/locversion.plist$</key>
+		<dict>
+			<key>omit</key>
+			<true/>
+			<key>weight</key>
+			<real>1100</real>
+		</dict>
+		<key>^Base\.lproj/</key>
+		<dict>
+			<key>weight</key>
+			<real>1010</real>
+		</dict>
+		<key>^version.plist$</key>
+		<true/>
+	</dict>
+	<key>rules2</key>
+	<dict>
+		<key>.*\.dSYM($|/)</key>
+		<dict>
+			<key>weight</key>
+			<real>11</real>
+		</dict>
+		<key>^</key>
+		<dict>
+			<key>weight</key>
+			<real>20</real>
+		</dict>
+		<key>^(.*/)?\.DS_Store$</key>
+		<dict>
+			<key>omit</key>
+			<true/>
+			<key>weight</key>
+			<real>2000</real>
+		</dict>
+		<key>^(Frameworks|SharedFrameworks|PlugIns|Plug-ins|XPCServices|Helpers|MacOS|Library/(Automator|Spotlight|LoginItems))/</key>
+		<dict>
+			<key>nested</key>
+			<true/>
+			<key>weight</key>
+			<real>10</real>
+		</dict>
+		<key>^.*</key>
+		<true/>
+		<key>^.*\.lproj/</key>
+		<dict>
+			<key>optional</key>
+			<true/>
+			<key>weight</key>
+			<real>1000</real>
+		</dict>
+		<key>^.*\.lproj/locversion.plist$</key>
+		<dict>
+			<key>omit</key>
+			<true/>
+			<key>weight</key>
+			<real>1100</real>
+		</dict>
+		<key>^Base\.lproj/</key>
+		<dict>
+			<key>weight</key>
+			<real>1010</real>
+		</dict>
+		<key>^Info\.plist$</key>
+		<dict>
+			<key>omit</key>
+			<true/>
+			<key>weight</key>
+			<real>20</real>
+		</dict>
+		<key>^PkgInfo$</key>
+		<dict>
+			<key>omit</key>
+			<true/>
+			<key>weight</key>
+			<real>20</real>
+		</dict>
+		<key>^[^/]+$</key>
+		<dict>
+			<key>nested</key>
+			<true/>
+			<key>weight</key>
+			<real>10</real>
+		</dict>
+		<key>^embedded\.provisionprofile$</key>
+		<dict>
+			<key>weight</key>
+			<real>20</real>
+		</dict>
+		<key>^version\.plist$</key>
+		<dict>
+			<key>weight</key>
+			<real>20</real>
+		</dict>
+	</dict>
+</dict>
+</plist>
--- a/thirdparty/transistor-background-fetch/ios/TSBackgroundFetch/TSBackgroundFetch.framework/_CodeSignature/CodeSignature
+++ b/thirdparty/transistor-background-fetch/ios/TSBackgroundFetch/TSBackgroundFetch.framework/_CodeSignature/CodeSignature
--- a/thirdparty/transistor-background-fetch/ios/TSBackgroundFetch/TSBackgroundFetch.xcodeproj/project.pbxproj
+++ b/thirdparty/transistor-background-fetch/ios/TSBackgroundFetch/TSBackgroundFetch.xcodeproj/project.pbxproj
--- a/thirdparty/transistor-background-fetch/ios/TSBackgroundFetch/TSBackgroundFetch.xcodeproj/project.xcworkspace/contents.xcworkspacedata
+++ b/thirdparty/transistor-background-fetch/ios/TSBackgroundFetch/TSBackgroundFetch.xcodeproj/project.xcworkspace/contents.xcworkspacedata
@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Workspace
+   version = "1.0">
+   <FileRef
+      location = "self:TSBackgroundFetch.xcodeproj">
+   </FileRef>
+</Workspace>
--- a/thirdparty/transistor-background-fetch/ios/TSBackgroundFetch/TSBackgroundFetch.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
+++ b/thirdparty/transistor-background-fetch/ios/TSBackgroundFetch/TSBackgroundFetch.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>
--- a/thirdparty/transistor-background-fetch/ios/TSBackgroundFetch/TSBackgroundFetch.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings
+++ b/thirdparty/transistor-background-fetch/ios/TSBackgroundFetch/TSBackgroundFetch.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings
@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>BuildSystemType</key>
+	<string>Latest</string>
+</dict>
+</plist>
--- a/thirdparty/transistor-background-fetch/ios/TSBackgroundFetch/TSBackgroundFetch/Info.plist
+++ b/thirdparty/transistor-background-fetch/ios/TSBackgroundFetch/TSBackgroundFetch/Info.plist
@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>en</string>
+	<key>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIdentifier</key>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>$(PRODUCT_NAME)</string>
+	<key>CFBundlePackageType</key>
+	<string>FMWK</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleVersion</key>
+	<string>$(CURRENT_PROJECT_VERSION)</string>
+	<key>NSPrincipalClass</key>
+	<string></string>
+</dict>
+</plist>
--- a/thirdparty/transistor-background-fetch/ios/TSBackgroundFetch/TSBackgroundFetch/TSBGAppRefreshSubscriber.h
+++ b/thirdparty/transistor-background-fetch/ios/TSBackgroundFetch/TSBackgroundFetch/TSBGAppRefreshSubscriber.h
@ -0,0 +1,39 @@
+//
+//  TSBGAppRefreshSubscriber.h
+//  TSBackgroundFetch
+//
+//  Created by Christopher Scott on 2020-02-07.
+//  Copyright © 2020 Christopher Scott. All rights reserved.
+//
+#import <Foundation/Foundation.h>
+#import <UIKit/UIKit.h>
+#import <BackgroundTasks/BackgroundTasks.h>
+
+@interface TSBGAppRefreshSubscriber : NSObject
+
+(void)load;
+(NSMutableDictionary *)subscribers;
+(void) add:(TSBGAppRefreshSubscriber*)tsTask;
+(void) remove:(TSBGAppRefreshSubscriber*)tsTask;
+(TSBGAppRefreshSubscriber*) get:(NSString*)identifier;
+(void) execute;
+(BOOL) onTimeout;
+
+(void)registerTaskScheduler API_AVAILABLE(ios(13));
+(BOOL)useTaskScheduler;
+
+@property (nonatomic) NSString* identifier;
+@property (copy) void (^callback) (NSString*);
+@property (copy) void (^timeout) (NSString*);
+@property (nonatomic, readonly) BOOL enabled;
+@property (nonatomic, readonly) BOOL executed;
+@property (nonatomic, readonly) BOOL finished;
+
+-(instancetype) initWithIdentifier:(NSString*)identifier callback:(void (^)(NSString* taskId))callback timeout:(void (^)(NSString* taskId))timeout;
+-(void) execute;
+-(void) onTimeout;
+-(void) finish;
+-(void) destroy;
+
+@end
+
--- a/thirdparty/transistor-background-fetch/ios/TSBackgroundFetch/TSBackgroundFetch/TSBGAppRefreshSubscriber.m
+++ b/thirdparty/transistor-background-fetch/ios/TSBackgroundFetch/TSBackgroundFetch/TSBGAppRefreshSubscriber.m
@ -0,0 +1,188 @@
+//
+//  TSBGAppRefreshSubscriber.m
+//  TSBackgroundFetch
+//
+//  Created by Christopher Scott on 2020-02-07.
+//  Copyright © 2020 Christopher Scott. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+#import "TSBGAppRefreshSubscriber.h"
+#import "TSBackgroundFetch.h"
+
+static NSString *const TAG = @"TSBGAppRefreshSubscriber";
+
+static NSMutableDictionary *_subscribers;
+static BOOL _hasRegisteredTaskScheduler   = NO;
+    
+@implementation TSBGAppRefreshSubscriber {
+    
+}
+
+(void)load {
+    [[self class] subscribers];
+}
+
+ (NSMutableDictionary*)subscribers
+{
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{
+        NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
+        _subscribers = [NSMutableDictionary new];
+        // Load the set of taskIds, eg: ["foo, "bar"]
+        NSArray *subscribers = [defaults objectForKey:TAG];
+        // Foreach taskId, load TSBGTask config from NSDefaults, eg: "TSBackgroundFetch:foo"
+        for (NSString *identifier in subscribers) {
+            TSBGAppRefreshSubscriber *subscriber = [[TSBGAppRefreshSubscriber alloc] initWithIdentifier:identifier];
+            [_subscribers setObject:subscriber forKey:identifier];
+        }
+        NSLog(@"[%@ load]: %@", TAG, _subscribers);
+    });
+    return _subscribers;
+}
+
+ (TSBGAppRefreshSubscriber*) get:(NSString*)identifier {
+    @synchronized (_subscribers) {
+        return [_subscribers objectForKey:identifier];
+    }
+}
+
+ (void) add:(TSBGAppRefreshSubscriber*)subscriber {
+    @synchronized (_subscribers) {
+        [_subscribers setObject:subscriber forKey:subscriber.identifier];
+    }
+}
+
+ (void) remove:(TSBGAppRefreshSubscriber*)subscriber {
+    @synchronized (_subscribers) {
+        [_subscribers removeObjectForKey:subscriber.identifier];
+    }
+}
+
+(void)registerTaskScheduler{
+    _hasRegisteredTaskScheduler = YES;
+}
+
+(BOOL)useTaskScheduler {
+    return _hasRegisteredTaskScheduler;
+}
+
+(void) execute {
+    NSArray *subscribers = [[self subscribers] allValues];
+    for (TSBGAppRefreshSubscriber *subscriber in subscribers) {
+        dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
+            [subscriber execute];
+        });
+    }
+}
+
+(BOOL) onTimeout {
+    BOOL foundTimeoutHandler = NO;
+    NSArray *subscribers = [[self subscribers] allValues];
+    for (TSBGAppRefreshSubscriber *subscriber in subscribers) {
+        foundTimeoutHandler = YES;
+        if (subscriber.timeout) {
+            dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
+                [subscriber onTimeout];
+            });
+        } else {
+            [[TSBackgroundFetch sharedInstance] finish:subscriber.identifier];
+        }
+    }
+    return foundTimeoutHandler;
+}
+
+
+-(instancetype)init {
+    self = [super init];
+    _enabled = YES;
+    _finished = NO;
+    _executed = NO;
+    return self;
+}
+
+-(instancetype) initWithIdentifier:(NSString*)identifier {
+    self = [self init];
+    if (self) {
+        _identifier = identifier;
+    }
+    return self;
+}
+
+-(instancetype) initWithIdentifier:(NSString*)identifier callback:(void (^)(NSString* taskId))callback timeout:(void (^)(NSString* taskId))timeout {
+    self = [self init];
+    if (self) {
+        _identifier = identifier;
+        _callback = callback;
+        _timeout = timeout;
+        [self save];
+        @synchronized (_subscribers) {
+            [_subscribers setObject:self forKey:identifier];
+        }
+        
+    }
+    return self;
+}
+
+-(void) execute {
+    if (_executed || !_callback) return;
+    
+    _executed = YES;
+    _finished = NO;
+    dispatch_async(dispatch_get_main_queue(), ^(void) {
+        self.callback(self.identifier);
+    });
+}
+
+-(void) onTimeout {
+    if (!_timeout) {
+        [self finish];
+        return;
+    }
+    if (!_finished) {
+        dispatch_async(dispatch_get_main_queue(), ^(void) {
+            self.timeout(self.identifier);
+        });
+    }
+}
+
+-(void) finish {
+    _finished = YES;
+    _executed = NO;
+}
+
+-(void) destroy {
+    NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
+    NSMutableArray *subscribers = [[defaults objectForKey:TAG] mutableCopy];
+    
+    [TSBGAppRefreshSubscriber remove:self];
+    
+    if (!subscribers) {
+        subscribers = [NSMutableArray new];
+    }
+    if ([subscribers containsObject:_identifier]) {
+        [subscribers removeObject:_identifier];
+        [defaults setObject:subscribers forKey:TAG];
+    }
+}
+-(void) save {
+    NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
+    
+    NSMutableArray *subscribers = [[defaults objectForKey:TAG] mutableCopy];
+    if (!subscribers) {
+        subscribers = [NSMutableArray new];
+    }
+    
+    if ([subscribers containsObject:_identifier]) {
+        return;
+    }
+    
+    [subscribers addObject:_identifier];
+    [defaults setObject:subscribers forKey:TAG];
+}
+
+-(NSString*) description {
+    return [NSString stringWithFormat:@"<%@ identifier=%@, executed=%d, enabled=%d>", TAG, _identifier, _executed, _enabled];
+}
+@end
--- a/thirdparty/transistor-background-fetch/ios/TSBackgroundFetch/TSBackgroundFetch/TSBGTask.h
+++ b/thirdparty/transistor-background-fetch/ios/TSBackgroundFetch/TSBackgroundFetch/TSBGTask.h
@ -0,0 +1,52 @@
+//
+//  TSBGTask.h
+//  TSBackgroundFetch
+//
+//  Created by Christopher Scott on 2020-01-23.
+//  Copyright © 2020 Christopher Scott. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+#import <UIKit/UIKit.h>
+#import <BackgroundTasks/BackgroundTasks.h>
+
+@interface TSBGTask : NSObject
+
+@property (nonatomic) BGTask* task API_AVAILABLE(ios(13.0));
+
+@property (nonatomic) NSString* identifier;
+@property (copy) void (^callback)(NSString*, BOOL);
+@property (nonatomic) NSTimeInterval delay;
+@property (nonatomic, readonly) BOOL executed;
+@property (nonatomic) BOOL periodic;
+@property (nonatomic) BOOL enabled;
+@property (nonatomic, readonly) BOOL finished;
+@property (nonatomic) BOOL stopOnTerminate; 
+@property (nonatomic) BOOL requiresExternalPower;
+@property (nonatomic) BOOL requiresNetworkConnectivity;
+
+(void)load;
+(NSMutableArray *)tasks;
+(void) add:(TSBGTask*)tsTask;
+(void) remove:(TSBGTask*)tsTask;
+(TSBGTask*) get:(NSString*)identifier;
+
+(void)registerForTaskWithIdentifier:(NSString*)identifier;
+(BOOL)useProcessingTaskScheduler;
+
+-(instancetype) initWithIdentifier:(NSString*)identifier delay:(NSTimeInterval)delay periodic:(BOOL)periodic callback:(void (^)(NSString* taskId, BOOL timeout))callback;
+-(instancetype) initWithIdentifier:(NSString*)identifier delay:(NSTimeInterval)delay periodic:(BOOL)periodic requiresExternalPower:(BOOL)requiresExternalPower requiresNetworkConnectivity:(BOOL)requiresNetworkConnectivity callback:(void (^)(NSString* taskId, BOOL timeout))callback;
+
+-(instancetype) initWithDictionary:(NSDictionary*)config;
+
+-(BOOL) execute;
+-(void) finish:(BOOL)success;
+
+-(NSError*) schedule;
+-(void) stop;
+-(void) setTask:(BGProcessingTask*)task API_AVAILABLE(ios(13));
+-(void) destroy;
+-(void) save;
+
+@end
+
--- a/thirdparty/transistor-background-fetch/ios/TSBackgroundFetch/TSBackgroundFetch/TSBGTask.m
+++ b/thirdparty/transistor-background-fetch/ios/TSBackgroundFetch/TSBackgroundFetch/TSBGTask.m
@ -0,0 +1,297 @@
+//
+//  TSBGTask.m
+//  TSBackgroundFetch
+//
+//  Created by Christopher Scott on 2020-01-23.
+//  Copyright © 2020 Christopher Scott. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+#import "TSBGTask.h"
+
+static NSString *const TAG = @"TSBackgroundFetch";
+static NSString *const TASKS_STORAGE_KEY = @"TSBackgroundFetch:tasks";
+
+static BOOL _hasRegisteredProcessingTaskScheduler   = NO;
+
+static NSString *const ERROR_PROCESSING_TASK_NOT_REGISTERED = @"Background procssing task was not registered in AppDelegate didFinishLaunchingWithOptions.  See iOS Setup Guide.";
+static NSString *const ERROR_PROCESSING_TASK_NOT_AVAILABLE = @"Background procssing tasks are only available with iOS 13+";
+
+static NSMutableArray *_tasks;
+
+@implementation TSBGTask {
+    BOOL scheduled;
+}
+
+#pragma mark Class Methods
+
+(void)registerForTaskWithIdentifier:(NSString*)identifier API_AVAILABLE(ios(13)) {
+    _hasRegisteredProcessingTaskScheduler = YES;
+        
+    NSLog(@"[%@ registerForTaskWithIdentifier: %@", TAG, identifier);
+    
+    [[BGTaskScheduler sharedScheduler] registerForTaskWithIdentifier:identifier usingQueue:nil launchHandler:^(BGTask* task) {
+        TSBGTask *tsTask = [self get:task.identifier];
+        if (!tsTask) {
+            NSLog(@"[%@ registerForTaskWithIdentifier launchHandler] ERROR:  Failed to find TSBGTask in Fetch event: %@", TAG, task.identifier);
+            [task setTaskCompletedWithSuccess:NO];
+            return;
+        }
+        [tsTask setTask:(BGProcessingTask*)task];
+    }];
+}
+
+(BOOL)useProcessingTaskScheduler {
+    return _hasRegisteredProcessingTaskScheduler;
+}
+
+(void)load {
+    [[self class] tasks];
+}
+
+ (NSMutableArray*)tasks
+{
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{
+        NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
+        _tasks = [NSMutableArray new];
+        // Load the set of taskIds, eg: ["foo, "bar"]
+        NSArray *taskIds = [defaults objectForKey:TASKS_STORAGE_KEY];
+        // Foreach taskId, load TSBGTask config from NSDefaults, eg: "TSBackgroundFetch:foo"
+        for (NSString *taskId in taskIds) {
+            NSString *key = [NSString stringWithFormat:@"%@:%@", TAG, taskId];
+            NSDictionary *config = [defaults objectForKey:key];
+            TSBGTask *tsTask = [[TSBGTask alloc] initWithDictionary:config];
+            [_tasks addObject:tsTask];
+        }
+        NSLog(@"[%@ load]: %@", TAG, _tasks);
+    });
+    @synchronized (_tasks) {
+        return [_tasks copy];
+    }
+}
+
+ (TSBGTask*) get:(NSString*)identifier {
+    @synchronized (_tasks) {
+        for (TSBGTask *tsTask in _tasks) {
+            if ([tsTask.identifier isEqualToString:identifier]) {
+                return tsTask;
+            }
+        }
+    }
+    return nil;
+}
+
+ (void) add:(TSBGTask*)tsTask {
+    @synchronized (_tasks) {
+        [_tasks addObject:tsTask];
+    }
+}
+
+ (void) remove:(TSBGTask*)tsTask {
+    @synchronized (_tasks) {
+        [_tasks removeObject:tsTask];
+    }
+}
+
+# pragma mark Instance Methods
+
+-(instancetype)init {
+    self = [super init];
+    scheduled = NO;
+    
+    _enabled = NO;
+    _executed = NO;
+    _finished = NO;
+    _requiresNetworkConnectivity = NO;
+    _requiresExternalPower = NO;
+    return self;
+}
+
+/// @deprecated
+-(instancetype) initWithIdentifier:(NSString*)identifier delay:(NSTimeInterval)delay periodic:(BOOL)periodic callback:(void (^)(NSString* taskId, BOOL timeout))callback {
+    return [self initWithIdentifier:identifier delay:delay periodic:periodic requiresExternalPower:NO requiresNetworkConnectivity:NO callback:callback];
+}
+
+-(instancetype) initWithIdentifier:(NSString*)identifier delay:(NSTimeInterval)delay periodic:(BOOL)periodic requiresExternalPower:(BOOL)requiresExternalPower requiresNetworkConnectivity:(BOOL)requiresNetworkConnectivity callback:(void (^)(NSString* taskId, BOOL timeout))callback {
+    
+    self = [self init];
+    
+    if (self) {
+        _identifier = identifier;
+        _delay = delay;
+        _periodic = periodic;
+        _requiresExternalPower = requiresExternalPower;
+        _requiresNetworkConnectivity = requiresNetworkConnectivity;
+        [TSBGTask add:self];
+    }
+    return self;
+}
+
+-(instancetype) initWithDictionary:(NSDictionary*)config {
+    self = [self init];
+    if (self) {
+        _identifier = [config objectForKey:@"identifier"];
+        _delay = [[config objectForKey:@"delay"] longValue];
+        _periodic = [[config objectForKey:@"periodic"] boolValue];
+        _enabled = [[config objectForKey:@"enabled"] boolValue];
+        if ([config objectForKey:@"requiresExternalPower"]) {
+            _requiresExternalPower = [[config objectForKey:@"requiresExternalPower"] boolValue];
+        }
+        if ([config objectForKey:@"requiresNetworkConnectivity"]) {
+            _requiresNetworkConnectivity = [[config objectForKey:@"requiresNetworkConnectivity"] boolValue];
+        }
+    }
+    return self;
+}
+
+- (NSError*) schedule {
+    if (@available (iOS 13.0, *)) {
+        if (![TSBGTask useProcessingTaskScheduler]) {
+            return [[NSError alloc] initWithDomain:TAG code:0 userInfo:@{NSLocalizedFailureReasonErrorKey:ERROR_PROCESSING_TASK_NOT_REGISTERED}];
+        }
+        
+        NSLog(@"[%@ scheduleProcessingTask] %@", TAG, self);
+    
+        BGTaskScheduler *scheduler = [BGTaskScheduler sharedScheduler];
+        
+        if (scheduled) {
+            [[BGTaskScheduler sharedScheduler] cancelTaskRequestWithIdentifier:_identifier];
+        }
+        
+        BGProcessingTaskRequest *request = [[BGProcessingTaskRequest alloc] initWithIdentifier:_identifier];
+        // TODO Configurable.
+        request.requiresExternalPower = _requiresExternalPower;
+        request.requiresNetworkConnectivity = _requiresNetworkConnectivity;
+        request.earliestBeginDate = [NSDate dateWithTimeIntervalSinceNow:_delay];
+        
+        NSError *error = nil;
+        [scheduler submitTaskRequest:request error:&error];
+        if (!error) {
+            scheduled = YES;
+            if (!_enabled) {
+                _enabled = YES;
+                [self save];
+            }
+        }
+        return error;
+    } else {
+        return [[NSError alloc] initWithDomain:TAG code:-1 userInfo:@{NSLocalizedFailureReasonErrorKey:ERROR_PROCESSING_TASK_NOT_AVAILABLE}];
+    }
+}
+
+- (void) stop {
+    _enabled = NO;
+    scheduled = NO;
+        
+    [self destroy];
+        
+    if (@available(iOS 13.0, *)) {
+        [[BGTaskScheduler sharedScheduler] cancelTaskRequestWithIdentifier:_identifier];
+    }
+}
+
+-(void) setTask:(BGProcessingTask*)task {
+    scheduled = NO;
+    
+    _task = task;
+    
+    task.expirationHandler = ^{
+        NSLog(@"[%@ expirationHandler] WARNING: %@ '%@' expired before #finish was executed.", TAG, NSStringFromClass([self.task class]), self.identifier);
+        [self onTimeout];
+        // TODO Disabled with onTimeout implementation.
+        //[self finish:NO];
+    };
+
+    // If no callback registered for TSTask, the app was launched in background.  The event will be handled once task is scheduled.
+    if (_callback) {
+        [self execute];
+    }
+}
+
+- (BOOL) execute {
+    if (@available(iOS 13.0, *)) {
+        if ([TSBGTask useProcessingTaskScheduler] && _periodic && !scheduled) {
+            [self schedule];
+        }
+    }
+    _finished = NO;
+    if (_callback) {
+        _callback(_identifier, NO);
+        _executed = YES;
+        return YES;
+    } else {
+        return NO;
+    }    
+}
+
+- (BOOL) onTimeout {
+    if (_callback) {
+        _callback(_identifier, YES);
+        return YES;
+    } else {
+        return NO;
+    }
+}
+
+-(void) finish:(BOOL)success {
+    [_task setTaskCompletedWithSuccess:success];
+    _finished = YES;
+    _executed = NO;
+    _task = nil;
+    if (!_periodic) {
+        [self destroy];
+    }
+}
+
+-(void) save {
+    NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
+    NSMutableArray *taskIds = [[defaults objectForKey:TASKS_STORAGE_KEY] mutableCopy];
+    if (!taskIds) {
+        taskIds = [NSMutableArray new];
+    }
+    if (![taskIds containsObject:_identifier]) {
+        [taskIds addObject:_identifier];
+        [defaults setObject:taskIds forKey:TASKS_STORAGE_KEY];
+    }
+    NSString *key = [NSString stringWithFormat:@"%@:%@", TAG, _identifier];
+    NSLog(@"[TSBGTask save]: %@", self);
+    [defaults setObject:[self toDictionary] forKey:key];
+}
+
+-(void) destroy {
+    [TSBGTask remove:self];
+            
+    NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
+    NSMutableArray *taskIds = [[defaults objectForKey:TASKS_STORAGE_KEY] mutableCopy];
+    if (!taskIds) {
+        taskIds = [NSMutableArray new];
+    }
+    if ([taskIds containsObject:_identifier]) {
+        [taskIds removeObject:_identifier];
+        [defaults setObject:taskIds forKey:TASKS_STORAGE_KEY];
+    }
+    NSString *key = [NSString stringWithFormat:@"%@:%@", TAG, _identifier];
+    if ([defaults objectForKey:key]) {
+        [defaults removeObjectForKey:key];
+    }
+    NSLog(@"[TSBGTask destroy] %@", _identifier);
+}
+
+-(NSDictionary*) toDictionary {
+    return @{
+        @"identifier": _identifier,
+        @"delay": @(_delay),
+        @"periodic": @(_periodic),
+        @"enabled": @(_enabled),
+        @"requiresExternalPower": @(_requiresExternalPower),
+        @"requiresNetworkConnectivity": @(_requiresNetworkConnectivity)
+    };
+}
+
+-(NSString*) description {
+    return [NSString stringWithFormat:@"<TSBGTask identifier=%@, delay=%ld, periodic=%d requiresNetworkConnectivity=%d requiresExternalPower=%d, enabled=%d>", _identifier, (long)_delay, _periodic, _requiresNetworkConnectivity, _requiresExternalPower, _enabled];
+}
+
+@end
--- a/thirdparty/transistor-background-fetch/ios/TSBackgroundFetch/TSBackgroundFetch/TSBackgroundFetch.h
+++ b/thirdparty/transistor-background-fetch/ios/TSBackgroundFetch/TSBackgroundFetch/TSBackgroundFetch.h
@ -0,0 +1,47 @@
+//
+//  RNBackgroundFetchManager.h
+//  RNBackgroundFetch
+//
+//  Created by Christopher Scott on 2016-08-02.
+//  Copyright © 2016 Christopher Scott. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+#import <UIKit/UIKit.h>
+#import <BackgroundTasks/BackgroundTasks.h>
+
+@interface TSBackgroundFetch : NSObject
+
+@property (nonatomic) BOOL stopOnTerminate;
+@property (readonly) BOOL configured;
+@property (readonly) BOOL active;
+@property (readonly) NSString *fetchTaskId;
+@property (copy) void (^completionHandler)(UIBackgroundFetchResult);
+@property (nonatomic) UIBackgroundTaskIdentifier backgroundTask;
+
+ (TSBackgroundFetch *)sharedInstance;
+
+-(void) didFinishLaunching;
+-(void) registerAppRefreshTask;
+-(void) registerBGProcessingTask:(NSString*)identifier;
+
+-(void) configure:(NSTimeInterval)delay callback:(void(^)(UIBackgroundRefreshStatus status))callback;
+
+-(NSError*) scheduleProcessingTaskWithIdentifier:(NSString*)identifier delay:(NSTimeInterval)delay periodic:(BOOL)periodic callback:(void (^)(NSString* taskId, BOOL timeout))callback;
+
+-(NSError*) scheduleProcessingTaskWithIdentifier:(NSString*)identifier delay:(NSTimeInterval)delay periodic:(BOOL)periodic requiresExternalPower:(BOOL)requiresExternalPower requiresNetworkConnectivity:(BOOL)requiresNetworkConnectivity callback:(void (^)(NSString* taskId, BOOL timeout))callback;
+
+-(void) addListener:(NSString*)componentName callback:(void (^)(NSString* componentName))callback;
+-(void) addListener:(NSString*)componentName callback:(void (^)(NSString* componentName))callback timeout:(void (^)(NSString* componentName))timeout;
+-(void) removeListener:(NSString*)componentName;
+-(BOOL) hasListener:(NSString*)componentName;
+
+-(NSError*) start:(NSString*)identifier;
+-(void) stop:(NSString*)identifier;
+-(void) finish:(NSString*)tag;
+-(void) status:(void(^)(UIBackgroundRefreshStatus status))callback;
+
+// @deprecated API
+-(void) performFetchWithCompletionHandler:(void (^)(UIBackgroundFetchResult))handler applicationState:(UIApplicationState)state;
+@end
+
--- a/thirdparty/transistor-background-fetch/ios/TSBackgroundFetch/TSBackgroundFetch/TSBackgroundFetch.m
+++ b/thirdparty/transistor-background-fetch/ios/TSBackgroundFetch/TSBackgroundFetch/TSBackgroundFetch.m
@ -0,0 +1,365 @@
+//
+//  RNBackgroundFetchManager.m
+//  RNBackgroundFetch
+//
+//  Created by Christopher Scott on 2016-08-02.
+//  Copyright © 2016 Christopher Scott. All rights reserved.
+//
+
+#import "TSBackgroundFetch.h"
+#import "TSBGTask.h"
+#import "TSBGAppRefreshSubscriber.h"
+
+static NSString *const TAG = @"TSBackgroundFetch";
+
+static NSString *const BACKGROUND_REFRESH_TASK_ID   = @"com.transistorsoft.fetch";
+static NSString *const PERMITTED_IDENTIFIERS_KEY    = @"BGTaskSchedulerPermittedIdentifiers";
+
+@implementation TSBackgroundFetch {
+    BOOL enabled;
+    
+    NSTimeInterval minimumFetchInterval;
+    id bgAppRefreshTask;    
+    BOOL fetchScheduled;
+}
+
+ (TSBackgroundFetch *)sharedInstance
+{
+    static TSBackgroundFetch *instance = nil;
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{
+        [TSBGTask load];
+        [TSBGAppRefreshSubscriber load];
+        instance = [[self alloc] init];
+    });
+    return instance;
+}
+
+-(instancetype)init
+{
+    self = [super init];
+        
+    fetchScheduled = NO;
+    minimumFetchInterval = UIApplicationBackgroundFetchIntervalMinimum;
+    
+    _fetchTaskId = BACKGROUND_REFRESH_TASK_ID;
+    _stopOnTerminate = YES;
+    _configured = NO;
+    _active = NO;
+                            
+    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(onAppTerminate) name:UIApplicationWillTerminateNotification object:nil];
+    return self;
+}
+
+- (void) didFinishLaunching {
+    NSArray *permittedIdentifiers = [[NSBundle mainBundle] objectForInfoDictionaryKey:PERMITTED_IDENTIFIERS_KEY];
+    if (!permittedIdentifiers) return;
+
+    for (NSString *identifier in permittedIdentifiers) {
+        if ([identifier isEqualToString:BACKGROUND_REFRESH_TASK_ID]) {
+            [self registerAppRefreshTask];
+        } else {
+            [self registerBGProcessingTask:identifier];
+        }
+    }
+}
+
+- (void) registerAppRefreshTask {
+    if (@available(iOS 13.0, *)) {
+        [TSBGAppRefreshSubscriber registerTaskScheduler];
+        
+        [[BGTaskScheduler sharedScheduler] registerForTaskWithIdentifier:BACKGROUND_REFRESH_TASK_ID usingQueue:nil launchHandler:^(BGTask* task) {
+            [self handleBGAppRefreshTask:(BGAppRefreshTask*)task];
+        }];
+    }
+}
+
+- (void) registerBGProcessingTask:(NSString *)identifier {
+    if (@available(iOS 13.0, *)) {
+        [TSBGTask registerForTaskWithIdentifier:identifier];
+    }
+}
+
+- (NSError*) scheduleBGAppRefresh {
+    if (fetchScheduled) return nil;
+    
+    NSLog(@"[%@ scheduleBGAppRefresh] %@", TAG, BACKGROUND_REFRESH_TASK_ID);
+        
+    NSError *error = nil;
+    
+    if (@available (iOS 13.0, *)) {
+        if ([TSBGAppRefreshSubscriber useTaskScheduler]) {
+            BGTaskScheduler *scheduler = [BGTaskScheduler sharedScheduler];
+            BGAppRefreshTaskRequest *request = [[BGAppRefreshTaskRequest alloc] initWithIdentifier:BACKGROUND_REFRESH_TASK_ID];
+            request.earliestBeginDate = [NSDate dateWithTimeIntervalSinceNow:minimumFetchInterval];
+            
+            [scheduler submitTaskRequest:request error:&error];
+            // Handle case for Simulator where BGTaskScheduler doesn't work.
+            if ((error != nil) && (error.code == BGTaskSchedulerErrorCodeUnavailable)) {
+                NSLog(@"[%@] BGTaskScheduler failed to register fetch-task and will fall-back to old API.  This is likely due to running in the iOS Simulator (%@)", TAG, error);
+                [self setMinimumFetchInterval];
+                error = nil;
+            }
+        } else {
+            [self setMinimumFetchInterval];
+        }
+    } else {
+        [self setMinimumFetchInterval];
+    }
+    if (!error) {
+        fetchScheduled = YES;
+    }
+    return error;
+}
+
+-(void) cancelBGAppRefresh {
+    if (@available (iOS 13.0, *)) {
+        BGTaskScheduler *scheduler = [BGTaskScheduler sharedScheduler];
+        [scheduler cancelTaskRequestWithIdentifier:BACKGROUND_REFRESH_TASK_ID];
+        fetchScheduled = NO;
+    } else {
+        dispatch_async(dispatch_get_main_queue(), ^{
+            [[UIApplication sharedApplication] setMinimumBackgroundFetchInterval:UIApplicationBackgroundFetchIntervalNever];
+        });
+    }
+}
+
+-(void) setMinimumFetchInterval {
+    __block NSTimeInterval interval = minimumFetchInterval;
+    dispatch_async(dispatch_get_main_queue(), ^{
+        [[UIApplication sharedApplication] setMinimumBackgroundFetchInterval:interval];
+    });
+}
+
+/// Callback from BGTaskScheduler
+-(void) handleBGAppRefreshTask:(BGAppRefreshTask*)task API_AVAILABLE(ios(13.0)) {
+    NSLog(@"[%@ handleBGAppRefreshTask]", TAG);
+            
+    __block BGAppRefreshTask *weakTask = task;
+    task.expirationHandler = ^{
+        NSLog(@"[%@ handleBGAppRefreshTask] WARNING: expired before #finish was executed.", TAG);
+        // If any registered listeners has registered an onTimeout callback, let them run and execute #finish as desired.  Otherwise, automatically setTaskCompleted immediately.
+        if (![TSBGAppRefreshSubscriber onTimeout] && weakTask) [weakTask setTaskCompletedWithSuccess:NO];
+    };
+    
+    fetchScheduled = NO;
+    [self scheduleBGAppRefresh];
+    
+    bgAppRefreshTask = task;
+    [TSBGAppRefreshSubscriber execute];
+}
+
+/// @deprecated Old-syle fetch callback.
+- (void) performFetchWithCompletionHandler:(void (^)(UIBackgroundFetchResult))handler applicationState:(UIApplicationState)state {
+    NSLog(@"[%@ performFetchWithCompletionHandler]", TAG);
+        
+    fetchScheduled = NO;
+    [self scheduleBGAppRefresh];
+    
+    _completionHandler = handler;
+    if (_backgroundTask != UIBackgroundTaskInvalid) [[UIApplication sharedApplication] endBackgroundTask:_backgroundTask];
+    // Create a UIBackgroundTask for detecting task-expiration with old API.
+    _backgroundTask = [[UIApplication sharedApplication] beginBackgroundTaskWithExpirationHandler:^{
+        if (self.completionHandler) {
+            [TSBGAppRefreshSubscriber onTimeout];
+        }
+        @synchronized (self) {
+            [[UIApplication sharedApplication] endBackgroundTask:self.backgroundTask];
+            self.backgroundTask = UIBackgroundTaskInvalid;
+        }
+    }];
+    
+    [TSBGAppRefreshSubscriber execute];
+}
+
+-(void) status:(void(^)(UIBackgroundRefreshStatus status))callback
+{
+    dispatch_async(dispatch_get_main_queue(), ^{
+        callback([[UIApplication sharedApplication] backgroundRefreshStatus]);
+    });
+}
+
+-(void) configure:(NSTimeInterval)delay callback:(void(^)(UIBackgroundRefreshStatus status))callback {
+    _configured = YES;
+    minimumFetchInterval = delay;
+    [self status:^(UIBackgroundRefreshStatus status) {
+        if (status == UIBackgroundRefreshStatusAvailable) {
+            [self scheduleBGAppRefresh];
+        }
+        callback(status);
+    }];
+}
+
+-(NSError*) scheduleProcessingTaskWithIdentifier:(NSString*)identifier delay:(NSTimeInterval)delay periodic:(BOOL)periodic callback:(void (^)(NSString* taskId, BOOL timeout))callback {
+    return [self scheduleProcessingTaskWithIdentifier:identifier delay:delay periodic:periodic requiresExternalPower:NO requiresNetworkConnectivity:NO callback:callback];
+}
+
+-(NSError*) scheduleProcessingTaskWithIdentifier:(NSString*)identifier delay:(NSTimeInterval)delay periodic:(BOOL)periodic requiresExternalPower:(BOOL)requiresExternalPower requiresNetworkConnectivity:(BOOL)requiresNetworkConnectivity callback:(void (^)(NSString* taskId, BOOL timeout))callback {
+    
+    TSBGTask *tsTask = [TSBGTask get:identifier];
+    if (tsTask) {
+        tsTask.delay = delay;
+        tsTask.periodic = periodic;
+        tsTask.callback = callback;
+        tsTask.requiresNetworkConnectivity = requiresNetworkConnectivity;
+        tsTask.requiresExternalPower = requiresExternalPower;
+        if (@available(iOS 13.0, *)) {
+            if (tsTask.task && !tsTask.executed) {
+                [tsTask execute];
+                return nil;
+            } else {
+                return [tsTask schedule];
+            }
+        }
+    } else {
+        tsTask = [[TSBGTask alloc] initWithIdentifier:identifier
+                                                delay:delay
+                                             periodic:periodic
+                                requiresExternalPower:requiresExternalPower
+                          requiresNetworkConnectivity:requiresNetworkConnectivity
+                                             callback:callback];
+        tsTask.callback = callback;
+    }
+    
+    NSError *error = [tsTask schedule];
+    if (error) {
+        NSLog(@"[%@ scheduleTask] ERROR:  Failed to submit task request: %@", TAG, error);
+    }
+    return error;
+}
+
+/// @deprecated.
+-(void) addListener:(NSString*)componentName callback:(void (^)(NSString* componentName))callback {
+    [self addListener:componentName callback:callback timeout:nil];
+}
+
+-(void) addListener:(NSString*)componentName callback:(void (^)(NSString* componentName))callback timeout:(void (^)(NSString* componentName))timeout {
+    TSBGAppRefreshSubscriber *subscriber = [TSBGAppRefreshSubscriber get:componentName];
+    if (subscriber) {
+        subscriber.callback = callback;
+        subscriber.timeout = timeout;
+    } else {
+        subscriber = [[TSBGAppRefreshSubscriber alloc] initWithIdentifier:componentName callback:callback timeout:timeout];
+    }
+    if (bgAppRefreshTask || _completionHandler) {
+        [subscriber execute];
+    }
+}
+
+-(BOOL) hasListener:(NSString*)identifier {
+    return ([TSBGAppRefreshSubscriber get:identifier] != nil);
+}
+
+-(void) removeListener:(NSString*)identifier {
+    TSBGAppRefreshSubscriber *subscriber = [TSBGAppRefreshSubscriber get:identifier];
+    if (!subscriber) {
+        NSLog(@"[%@ removeListener] WARNING:  Failed to find listener for identifier: %@", TAG, identifier);
+        return;
+    }
+    [subscriber destroy];
+    if ([[TSBGAppRefreshSubscriber subscribers] count] < 1) {
+        [self cancelBGAppRefresh];
+    }
+}
+
+- (NSError*) start:(NSString*)identifier {
+    NSLog(@"[%@ start] %@", TAG, identifier);
+    
+    if (!identifier) {
+        return [self scheduleBGAppRefresh];
+    } else {
+        TSBGTask *tsTask = [TSBGTask get:identifier];
+        if (!tsTask) {
+            NSString *msg = [NSString stringWithFormat:@"Could not find TSBGTask %@", identifier];
+            NSLog(@"[%@ start] ERROR:  %@", TAG, msg);
+            NSError *error = [[NSError alloc] initWithDomain:TAG code:-2 userInfo:@{NSLocalizedFailureReasonErrorKey:msg}];
+            return error;
+        }
+        tsTask.enabled = YES;
+        [tsTask save];
+        return [tsTask schedule];
+    }
+}
+
+- (void) stop:(NSString*)identifier {
+    NSLog(@"[%@ stop] %@", TAG, identifier);
+    if (!identifier) {
+        NSArray *tsTasks = [TSBGTask tasks];
+        for (TSBGTask *tsTask in tsTasks) {
+            [tsTask stop];
+        }
+    } else {
+        TSBGTask *tsTask = [TSBGTask get:identifier];
+        [tsTask stop];
+    }
+}
+
+- (void) finish:(NSString*)taskId {
+    if (!taskId) { taskId = BACKGROUND_REFRESH_TASK_ID; }
+
+    TSBGTask *tsTask = [TSBGTask get:taskId];
+    // Is it a scheduled-task?
+    if (tsTask) {
+        if (@available(iOS 13.0, *)) {
+            [tsTask finish:YES];
+        }
+        // We're done.
+        return;
+    }
+    
+    // Nope, it's a background-fetch event.  We have to do subscriber-counting:  when all subscribers have signalled #finish, we're done.
+    if (!bgAppRefreshTask && !_completionHandler) {
+        NSLog(@"[%@ finish] %@ Called without a task to finish.  Ignoring.", TAG, taskId);
+        return;
+    }
+                
+    TSBGAppRefreshSubscriber *subscriber = [TSBGAppRefreshSubscriber get:taskId];
+    if (subscriber) {
+        [subscriber finish];
+        
+        NSArray *subscribers = [[TSBGAppRefreshSubscriber subscribers] allValues];
+        long total = [subscribers count];
+        long count = 0;
+        
+        for (TSBGAppRefreshSubscriber *subscriber in subscribers) {
+            if (subscriber.finished) count++;
+        }
+        
+        NSLog(@"[%@ finish] %@ (%ld of %ld)", TAG, subscriber.identifier, count, total);
+
+        if (total != count) return;
+        
+        // If we arrive here without jumping out of foreach above, all subscribers are finished.
+        if (bgAppRefreshTask) {
+            // If we arrive here, all Fetch tasks must be finished.
+            if (@available(iOS 13.0, *)) {
+                [(BGAppRefreshTask*) bgAppRefreshTask setTaskCompletedWithSuccess:YES];
+            }
+            bgAppRefreshTask = nil;
+        } else if (_completionHandler) {
+            _completionHandler(UIBackgroundFetchResultNewData);
+            _completionHandler = nil;
+            @synchronized (self) {
+                if (_backgroundTask != UIBackgroundTaskInvalid) {
+                    [[UIApplication sharedApplication] endBackgroundTask:_backgroundTask];
+                    _backgroundTask = UIBackgroundTaskInvalid;
+                }
+            }
+        }
+    } else {
+        NSLog(@"[%@ finish] Failed to find Fetch subscriber %@", TAG, taskId);
+    }
+}
+
+- (void) onAppTerminate {
+    NSLog(@"[%@ onAppTerminate]", TAG);
+    if (_stopOnTerminate) {
+        //[self stop];
+    }
+}
+
+- (void) dealloc {
+    [[NSNotificationCenter defaultCenter] removeObserver:self];
+}
+@end
+
--- a/thirdparty/transistor-background-fetch/ios/TSBackgroundFetch/TSBackgroundFetchTests/Info.plist
+++ b/thirdparty/transistor-background-fetch/ios/TSBackgroundFetch/TSBackgroundFetchTests/Info.plist
@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>en</string>
+	<key>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIdentifier</key>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>$(PRODUCT_NAME)</string>
+	<key>CFBundlePackageType</key>
+	<string>BNDL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleVersion</key>
+	<string>1</string>
+</dict>
+</plist>
--- a/thirdparty/transistor-background-fetch/ios/TSBackgroundFetch/TSBackgroundFetchTests/TSBackgroundFetchTests.m
+++ b/thirdparty/transistor-background-fetch/ios/TSBackgroundFetch/TSBackgroundFetchTests/TSBackgroundFetchTests.m
@ -0,0 +1,39 @@
+//
+//  TSBackgroundFetchTests.m
+//  TSBackgroundFetchTests
+//
+//  Created by Christopher Scott on 2016-08-03.
+//  Copyright © 2016 Christopher Scott. All rights reserved.
+//
+
+#import <XCTest/XCTest.h>
+
+@interface TSBackgroundFetchTests : XCTestCase
+
+@end
+
+@implementation TSBackgroundFetchTests
+
+- (void)setUp {
+    [super setUp];
+    // Put setup code here. This method is called before the invocation of each test method in the class.
+}
+
+- (void)tearDown {
+    // Put teardown code here. This method is called after the invocation of each test method in the class.
+    [super tearDown];
+}
+
+- (void)testExample {
+    // This is an example of a functional test case.
+    // Use XCTAssert and related functions to verify your tests produce the correct results.
+}
+
+- (void)testPerformanceExample {
+    // This is an example of a performance test case.
+    [self measureBlock:^{
+        // Put the code you want to measure the time of here.
+    }];
+}
+
+@end
				`@ -1 +0,0 @@`
				`Subproject commit ed83e96ea3658b3def42f42eb37490650ddf45e5`