private static void scheduleLaunchTask(
Context context, GcmNetworkManager scheduler, long minDelayMs) {
// Google Play Services may not be up to date, if the application was not installed through
// the Play Store. In this case, scheduling the task will fail silently.
final long minDelaySecs = minDelayMs / 1000;
OneoffTask oneoff =
new OneoffTask.Builder()
.setService(BackgroundSyncLauncherService.class)
.setTag("BackgroundSync Event")
// We have to set a non-zero execution window here
.setExecutionWindow(minDelaySecs, minDelaySecs + 1)
.setRequiredNetwork(Task.NETWORK_STATE_CONNECTED)
.setPersisted(true)
.setUpdateCurrent(true)
.build();
try {
scheduler.schedule(oneoff);
recordBooleanHistogram("BackgroundSync.LaunchTask.ScheduleSuccess", true);
} catch (IllegalArgumentException e) {
// Log the occurrence so that we can keep track of how often this is happening, and
// disable GCM for the remainder of this session.
setGCMEnabled(false);
recordBooleanHistogram("BackgroundSync.LaunchTask.ScheduleSuccess", false);
}
}
private void addPeriodic(
long periodSecs, long flexSecs, int connectivity, boolean charging, boolean persistence) {
if (flexSecs > periodSecs) {
Toast.makeText(getActivity(), getString(R.string.scheduler_error_flex), Toast.LENGTH_SHORT)
.show();
return;
}
String tag = Long.toString(SystemClock.currentThreadTimeMillis());
final TaskTracker taskTracker = TaskTracker.createPeriodic(tag, periodSecs, flexSecs);
PeriodicTask periodic =
new PeriodicTask.Builder()
.setService(TaskSchedulerService.class)
.setPeriod(periodSecs)
.setFlex(flexSecs)
.setTag(tag)
.setRequiredNetwork(connectivity)
.setRequiresCharging(charging)
.setPersisted(persistence)
.build();
mScheduler.schedule(periodic);
mTasks.updateTask(taskTracker);
}
private void addOneOff(long winStartSecs, long winEndSecs, int connectivity, boolean charging) {
if (winStartSecs > winEndSecs) {
Toast.makeText(getActivity(), getString(R.string.scheduler_error_window), Toast.LENGTH_SHORT)
.show();
return;
}
String tag = Long.toString(SystemClock.currentThreadTimeMillis());
final long elapsedNowSeconds = SystemClock.elapsedRealtime() / 1000;
final TaskTracker taskTracker =
TaskTracker.createOneoff(
tag, elapsedNowSeconds + winStartSecs, elapsedNowSeconds + winEndSecs);
OneoffTask oneOff =
new OneoffTask.Builder()
.setService(TaskSchedulerService.class)
.setTag(tag)
.setExecutionWindow(winStartSecs, winEndSecs)
.setRequiredNetwork(connectivity)
// Persistence not yet support for Oneoffs.
.setRequiresCharging(charging)
.build();
mScheduler.schedule(oneOff);
mTasks.updateTask(taskTracker);
}
