Request largeHeap on Android

android/app/src/main/AndroidManifest.xml

@@ -4,7 +4,7 @@
          In most cases you can leave this as-is, but you if you want to provide
          additional functionality it is fine to subclass or reimplement
          FlutterApplication and put your custom class here. -->
-    <application android:name="io.flutter.app.FlutterApplication" android:label="@string/app_name" android:icon="@mipmap/ic_launcher" android:usesCleartextTraffic="true" android:requestLegacyExternalStorage="true" android:allowBackup="false" android:fullBackupContent="false">
+    <application android:name="io.flutter.app.FlutterApplication" android:label="@string/app_name" android:icon="@mipmap/ic_launcher" android:usesCleartextTraffic="true" android:requestLegacyExternalStorage="true" android:allowBackup="false" android:fullBackupContent="false" android:largeHeap="true">
 
         <activity android:name=".MainActivity" android:launchMode="singleTop" android:theme="@style/LaunchTheme" android:configChanges="orientation|keyboardHidden|keyboard|screenSize|smallestScreenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode" android:hardwareAccelerated="true" android:windowSoftInputMode="adjustResize">
             <intent-filter>