重启后Android AlarmManager无法正常工作

Question

我做了我应该做的每一步，但它仍然没有用。 情况： 我有一个bootreceiver，它的工作原理。 我重启后可以看到Test toast。 重启后我也会在Toast中看到：测试：+ i。 （i =未决意图） 我看到每个scheduleAlarm（）都会执行，但是当我到达应该安排的时间时，警报就不会启动。

public class SampleBootReceiver extends BroadcastReceiver {
public static final String MY_PREFS_NAME = "alarmPrefs";
SharedPreferences.Editor editor;

private PendingIntent pi;
long INTERVAL_WEEK = 604800000L;
private AlarmManager am;
Context mContext;
int servTimeH;
int servTimeM;
int yourTimeH;
int yourTimeM;
int difTimeH;
int difTimeM;
String timeH;
String timeM;
String dateandtime;
long delay = 120000L;
int day;
int i = 0;

public void onReceive(Context context, Intent intent)
{
    mContext = context;
    editor = context.getSharedPreferences(MY_PREFS_NAME, 0).edit();
    //start shared pref get here in if method.
    SharedPreferences sharedPref = context.getSharedPreferences(".Alarms", Context.MODE_PRIVATE);
    System.out.println("BOOL: " + sharedPref.getBoolean("Monday", false));
    Toast.makeText(mContext, "TESTTT", Toast.LENGTH_LONG).show();

    //boolean days
    monday = sharedPref.getBoolean("Monday", false);


    if(monday){
        day = 1;
        if(pl13) {
            i++;
            pi = PendingIntent.getActivity(mContext.getApplicationContext(), i, intent, PendingIntent.FLAG_CANCEL_CURRENT);
            scheduleAlarm(day, 13, 00);
            showText("i: " + i);
        }
    }
}

public void scheduleAlarm(int dayOfWeek, int timeH, int timeM){


    ComponentName receiver = new ComponentName(mContext, SampleBootReceiver.class);
    PackageManager pm = mContext.getPackageManager();

    pm.setComponentEnabledSetting(receiver,
            PackageManager.COMPONENT_ENABLED_STATE_ENABLED,
            PackageManager.DONT_KILL_APP);

    System.out.println("Repeat alarm");

    Calendar calNow = Calendar.getInstance();
    Calendar calSet = (Calendar) calNow.clone();
    calSet.set(Calendar.DAY_OF_WEEK, dayOfWeek);

    calSet.set(Calendar.HOUR_OF_DAY, (timeH + difTimeH));
    calSet.set(Calendar.MINUTE, (timeM));
    System.out.println("Cal set to:" + (timeH + difTimeH) + ":" + timeM);

    calSet.set(Calendar.SECOND, 0);

    if(calSet.compareTo(calNow) <= 0){
        //Today Set timeH passed, count to tomorrow
        calSet.add(Calendar.DAY_OF_YEAR, 7);
    }


    am = (AlarmManager) mContext.getSystemService(Context.ALARM_SERVICE);
    am.setRepeating(AlarmManager.RTC_WAKEUP, (calSet.getTimeInMillis()-delay), INTERVAL_WEEK, pi);




}

public void showText(String s){
    Toast.makeText(mContext, s, Toast.LENGTH_LONG).show();
}
}