我想要在某個時間顯示一個活動。爲此,我使用AlarmManager。 當設備喚醒時它工作正常,但是如果它睡着了,它不會喚醒它。android AlarmManager沒有喚醒電話
我設定報警代碼:
Calendar alarmTime = Calendar.getInstance();
alarmTime.set(Calendar.HOUR_OF_DAY, alarm.hour);
alarmTime.set(Calendar.MINUTE, alarm.minute);
alarmTime.set(Calendar.SECOND, 0);
if (alarmTime.before(now))
alarmTime.add(Calendar.DAY_OF_MONTH, 1);
Intent intent = new Intent(ctxt, AlarmReceiver.class);
intent.putExtra("alarm", alarm);
PendingIntent sender = PendingIntent.getBroadcast(ctxt, alarm.id, intent, PendingIntent.FLAG_UPDATE_CURRENT);
alarmManager.set(AlarmManager.RTC_WAKEUP, alarmTime.getTimeInMillis(), sender);
我的廣播接收器:
@Override
public void onReceive(Context context, Intent intent) {
try {
Bundle bundle = intent.getExtras();
final Alarm alarm = (Alarm) bundle.getSerializable("alarm");
Intent newIntent;
if (alarm.type.equals("regular")) {
newIntent = new Intent(context, RegularAlarmActivity.class);
} else if (alarm.type.equals("password")) {
newIntent = new Intent(context, PasswordAlarmActivity.class);
} else if (alarm.type.equals("movement")) {
newIntent = new Intent(context, MovementAlarmActivity.class);
} else {
throw new Exception("Unknown alarm type");
}
newIntent.putExtra("alarm", alarm);
newIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
context.startActivity(newIntent);
} catch (Exception e) {
Toast.makeText(context, "There was an error somewhere, but we still received an alarm", Toast.LENGTH_SHORT).show();
Log.e("AlarmReceiver", Log.getStackTraceString(e));
}
}
此代碼不會喚醒該設備。但是,當我將它重新打開時,它們會顯示。我需要讓他們打開屏幕。你能幫我解決這個問題嗎?
轉到您要在的onReceive啓動活動()。將其粘貼到該活動的onCreate()中 final Window win = getWindow(); win.addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED | WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD); win.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON | WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON); – Junaid