[英]AlarmManager fires twice in Android Version 4.4.2 KitKat
我有一個alarmManager在所有Android版本中都會觸發一次,但僅在4.4.2版中會觸發兩次。 我讀到該版本中的更改影響了AlarmManager,但我不知道如何解決它,如果是這種情況,有什么建議嗎?
這是代碼:
public void setOneTimeTimer(Context context, int id)
{
PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
WakeLock wl = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "MyWakeLock");
if ((wakelock==null) | ((wakelock != null) && (wakelock.isHeld() == false))){
wl.acquire();
wakelock = wl;
//Release wakeLock is in the Alarm Class
}
AlarmManager am = (AlarmManager)NoteActivity.this.getSystemService(Context.ALARM_SERVICE);
Intent intent = new Intent(NoteActivity.this, Alarm.class);
intent.putExtra("name", name);
intent.putExtra("phone", phone);
intent.putExtra("timeSet", timeSet);
PendingIntent pi = PendingIntent.getBroadcast(NoteActivity.this, id, intent, PendingIntent.FLAG_UPDATE_CURRENT);
if (Build.VERSION.SDK_INT<Build.VERSION_CODES.KITKAT) {
setAlarm(am, interval, pi);
}
else
{
setAlarmToKitkat(am, interval, pi);
}
}
private void setAlarm(AlarmManager am, long interval, PendingIntent pi){
am.set(AlarmManager.RTC_WAKEUP, System.currentTimeMillis() + interval, pi);
}
@TargetApi(19)
private void setAlarmToKitkat(AlarmManager am, long interval, PendingIntent pi){
am.setWindow(AlarmManager.RTC_WAKEUP, System.currentTimeMillis() + interval, 20000, pi);
}
因此,我在這里寫下我的解決方案,以防將來對某人有所幫助:問題是我將警報設置為TimePickerDialog的“ onTimeSet”方法,並且由於某種原因(僅出於KitKat版本),它兩次激活了警報。 當我添加一個肯定按鈕的empty(!)方法時,該方法起作用並僅激活一次警報方法...這就是我添加的方法:
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT){
timePicker.setButton(DialogInterface.BUTTON_POSITIVE, getString(R.string.title_ok), new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
if (which == DialogInterface.BUTTON_POSITIVE) {
}
}
});
}
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