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我有一個活動A和一個B類(擴展了BroadCastReceiver)。從A,我想提出警告這樣的:更改BroadcastReceiver中的另一個類
Intent intent = new Intent(getApplicationContext(), TimerAlarmReceiver.class);
PendingIntent pendingIntent = PendingIntent.getBroadcast(getApplicationContext(), 0, intent, 0);
alarmMgr = (AlarmManager)getSystemService(Context.ALARM_SERVICE);
Calendar time = Calendar.getInstance();
time.setTimeInMillis(System.currentTimeMillis());
time.add(Calendar.SECOND, 5);
alarmMgr.setRepeating(AlarmManager.RTC_WAKEUP, time.getTimeInMillis(), 3000, pendingIntent);
,和本B(名字是TimerAlarmReceiver):
public class TimerAlarmReceiver extends BroadcastReceiver {
public static long TIME;
public static Boolean TimerOn=false;
@Override
public void onReceive(Context context, Intent intent) {
Toast.makeText(context, "Alarm went off", Toast.LENGTH_SHORT).show();
Log.v("Tag", Long.toString(TimeKeeper.Time));
}
public static void setTime(long T)
{ TIME=TimerActivity.DMILLIS;
}
}
我想要做的就是訪問像從的onReceive一個靜態變量。我嘗試在活動中創建一個公共靜態成員。只要應用程序運行,日誌就會顯示正確的設置值。但是,如果我強制退出應用程序,onReceive中的日誌變爲0.
那麼如何將初始值傳遞給B?即使應用程序關閉也會保持該值(強制退出)。
我試着把intent.put額外,但它似乎並沒有工作。你能把代碼給我嗎? –
@harvey_slash檢查[此文章](http://stackoverflow.com/a/5256680/82788)。您可能需要爲額外工作指定一個操作。 – matiash