balint14/student-legacy
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add timeout safety to headless task

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This commit is contained in:
hihihaha 2023-06-10 20:41:31 +02:00
parent cf81ca8207
commit 8f85c6a33b
1 changed files with 7 additions and 5 deletions
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12
filcnaplo/lib/main.dart
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@ -121,7 +121,6 @@ Widget errorBuilder(FlutterErrorDetails details) {
return Container();
});
}
// Platform messages are asynchronous, so we initialize in an async method.
Future<void> initPlatformState() async {
// Configure BackgroundFetch.
int status = await BackgroundFetch.configure(BackgroundFetchConfig(
@ -134,15 +133,11 @@ Widget errorBuilder(FlutterErrorDetails details) {
requiresDeviceIdle: false,
requiredNetworkType: NetworkType.ANY
), (String taskId) async { // <-- Event handler
// This is the fetch-event callback.
print("[BackgroundFetch] Event received $taskId");
NotificationsHelper().backgroundJob();
// IMPORTANT: You must signal completion of your task or the OS can punish your app
// for taking too long in the background.
BackgroundFetch.finish(taskId);
}, (String taskId) async { // <-- Task timeout handler.
// This task has exceeded its allowed running-time. You must stop what you're doing and immediately .finish(taskId)
print("[BackgroundFetch] TASK TIMEOUT taskId: $taskId");
BackgroundFetch.finish(taskId);
});
@ -152,6 +147,13 @@ Widget errorBuilder(FlutterErrorDetails details) {
@pragma('vm:entry-point')
void backgroundHeadlessTask(HeadlessTask task) {
String taskId = task.taskId;
bool isTimeout = task.timeout;
if (isTimeout) {
print("[BackgroundFetch] Headless task timed-out: $taskId");
BackgroundFetch.finish(taskId);
return;
}
print('[BackgroundFetch] Headless event received.');
NotificationsHelper().backgroundJob();
BackgroundFetch.finish(task.taskId);