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[mob][photos] fix: BG process not getting killed when app is brought to foreground

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This commit is contained in:
ashilkn 2024-05-03 13:05:02 +05:30
parent ab471dde96
commit ec93a02674
1 changed files with 14 additions and 0 deletions
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14
mobile/lib/main.dart
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@ -1,5 +1,6 @@
import 'dart:async';
import 'dart:io';
import "dart:isolate";
import "package:adaptive_theme/adaptive_theme.dart";
import 'package:background_fetch/background_fetch.dart';
@ -276,6 +277,7 @@ Future<void> _scheduleHeartBeat(
isBackground ? kLastBGTaskHeartBeatTime : kLastFGTaskHeartBeatTime,
DateTime.now().microsecondsSinceEpoch,
);
_logger.info("Heartbeat scheduled for ${isBackground ? 'BG' : 'FG'} task");
Future.delayed(kHeartBeatFrequency, () async {
// ignore: unawaited_futures
_scheduleHeartBeat(prefs, isBackground);
@ -303,11 +305,16 @@ Future<void> _scheduleFGSync(String caller) async {
}
void _scheduleBGTaskKill(String taskId) async {
_logger.info("debugBGTask : Checking if BG task should be killed");
if (await _isRunningInForeground()) {
_logger.info("Found app in FG, committing seppuku. $taskId");
await _killBGTask(taskId);
return;
}
_logger.info(
"is running in foreground: ${await _isRunningInForeground()} *************",
);
_logger.info("debugBGTask : isNotRunningInForeground *************");
Future.delayed(kHeartBeatFrequency, () async {
_scheduleBGTaskKill(taskId);
});
@ -325,15 +332,22 @@ Future<bool> _isRunningInForeground() async {
}
Future<void> _killBGTask([String? taskId]) async {
_logger.info("KillingBGTask taskId: $taskId ***************");
await UploadLocksDB.instance.releaseLocksAcquiredByOwnerBefore(
ProcessType.background.toString(),
DateTime.now().microsecondsSinceEpoch,
);
final prefs = await SharedPreferences.getInstance();
await prefs.remove(kLastBGTaskHeartBeatTime);
if (taskId != null) {
BackgroundFetch.finish(taskId);
}
///Band aid for background process not getting killed. Should migrate to using
///workmanager instead of background_fetch.
Isolate.current.kill();
_logger.info('Kill BG task done *************');
}
Future<void> _firebaseMessagingBackgroundHandler(RemoteMessage message) async {