android.app.AlarmManager#INTERVAL_HALF_HOUR源码实例Demo

public static long intervalMillisForAlarm(String intervalMinutes) {
    switch (intervalMinutes) {
        case "0":
        case "15":
            return AlarmManager.INTERVAL_FIFTEEN_MINUTES;
        case "30":
            return AlarmManager.INTERVAL_HALF_HOUR;
        case "60":
            return AlarmManager.INTERVAL_HOUR;
        case "720":
            return AlarmManager.INTERVAL_HALF_DAY;
        case "1440":
            return AlarmManager.INTERVAL_DAY;
        case "OFF":
        case "regular_only":
            return Long.MAX_VALUE;
        default:
            return Integer.parseInt(intervalMinutes) * 60 * 1000;
    }
}
 

public static long intervalMillisForAlarm(String intervalMinutes) {
    int interval = Integer.parseInt(intervalMinutes);
    switch (interval) {
        case 15:
            return AlarmManager.INTERVAL_FIFTEEN_MINUTES;
        case 30:
            return AlarmManager.INTERVAL_HALF_HOUR;
        case 60:
            return AlarmManager.INTERVAL_HOUR;
        case 720:
            return AlarmManager.INTERVAL_HALF_DAY;
        case 1440:
            return AlarmManager.INTERVAL_DAY;
        default:
            return interval * 60 * 1000;
    }
}
 

public UpdateInfoModelAdapter(Context context, int resourceId, List<UpdateInfoModel> objects) {
	super(context, resourceId, objects);
	this.layoutResourceId = resourceId;
	this.context = context;
	this.data = objects;
	this.originalData = data.toArray(originalData);

	now = new Date();

	SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(context);
	String updatesIntervalStr = preferences.getString(Constants.PREF_UPDATE_INTERVAL, "0");
	int updatesInterval = Integer.parseInt(updatesIntervalStr);

	switch (updatesInterval) {
	case 1:
		repeatTime = AlarmManager.INTERVAL_FIFTEEN_MINUTES;
		break;
	case 2:
		repeatTime = AlarmManager.INTERVAL_HALF_HOUR;
		break;
	case 3:
		repeatTime = AlarmManager.INTERVAL_HOUR;
		break;
	case 4:
		repeatTime = AlarmManager.INTERVAL_HALF_DAY;
		break;
	case 5:
		repeatTime = AlarmManager.INTERVAL_DAY;
		break;
	default:
		break;
	}
}
 

public static void reschedule(Context context, int updatesInterval) {
	long repeatTime = 0;
	switch (updatesInterval) {
	case 1:
		repeatTime = AlarmManager.INTERVAL_FIFTEEN_MINUTES;
		break;
	case 2:
		repeatTime = AlarmManager.INTERVAL_HALF_HOUR;
		break;
	case 3:
		repeatTime = AlarmManager.INTERVAL_HOUR;
		break;
	case 4:
		repeatTime = AlarmManager.INTERVAL_HALF_DAY;
		break;
	case 5:
		repeatTime = AlarmManager.INTERVAL_DAY;
		break;
	default:
		break;
	}

	AlarmManager service = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE);
	Intent intent = new Intent(context, MyStartServiceReceiver.class);
	PendingIntent pending = PendingIntent.getBroadcast(context, 0, intent, PendingIntent.FLAG_CANCEL_CURRENT);

	if (repeatTime > 0) {
		Log.d(UpdateService.TAG, "Setting up schedule");

		// Start repeatTime seconds after boot completed
		Calendar cal = Calendar.getInstance();
		cal.add(Calendar.SECOND, 60);

		// InexactRepeating allows Android to optimize the energy consumption
		Log.i(UpdateService.TAG, "Repeating in: " + repeatTime);
		// service.setInexactRepeating(AlarmManager.RTC_WAKEUP, cal.getTimeInMillis(), repeatTime, pending);
		service.set(AlarmManager.RTC, cal.getTimeInMillis() + repeatTime, pending);
	}
	else {
		Log.i(UpdateService.TAG, "Canceling Schedule");
		service.cancel(pending);
	}
}