android-通知Notification

發送通知

public class MyActivity extends Activity {
    
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        // TODO Auto-generated method stub
        super.onCreate(savedInstanceState);
        
        String serviceContextName = Context.NOTIFICATION_SERVICE;
        NotificationManager notificationManager;
        notificationManager = (NotificationManager) getSystemService(serviceContextName);
        
        //設置圖標，標題，時間
        int icon = R.drawable.ic_launcher;
        String tickerText = "Notification";
        long when = System.currentTimeMillis();
        
        Notification notification = new Notification(icon, tickerText, when);
        notification.number++;
    
        //設置展開通知的內容
        Context context = getApplicationContext();
        String expandedText = "Extended status text";
        String expandedTitle = "Notification Title";
        
        //當單擊展開的文本時，用於啓動一個活動的意圖
        Intent intent = new Intent(this, MyActivity.class);
        PendingIntent launchIntent = PendingIntent.getActivity(context, 0, intent, 0);
        notification.setLatestEventInfo(context, expandedText, expandedText, launchIntent);
        
        //若要定製佈局(若手動設置contentView時，必須同時設置contentIntent)
        notification.contentView = new RemoteViews(this.getPackageName(), R.layout.my_status_window_layout);
        notification.contentIntent = launchIntent;
        
        //修改通知中的視圖
        notification.contentView.setImageViewResource(R.id.status_icon, R.drawable.ic_launcher);//將後者搬到前者這個id的視圖上
        notification.contentView.setTextViewText(R.id.status_text, "Current Progress");
        notification.contentView.setProgressBar(R.id.status_progress, 100, 50, false);
        
        //觸發通知
        int notificationRef = 1;
        notificationManager.notify(notificationRef, notification);
        
        //消除通知
        notificationManager.cancel(notificationRef);
        
        notification.defaults = Notification.DEFAULT_SOUND | Notification.DEFAULT_VIBRATE; //設置上默認的聲音和震動
        
        //自定義通知聲音
        Uri ringURI = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION);
        notification.sound = ringURI;
        
        //自定義通知震動,需添加一個permission <uses-permission android:name="android.permission.VIBRATE" />
        long[] vibrate = new long[] {1000,1000,1000,1000,1000};//一個值震動多久，下一個值暫定多久，這裏持續了5秒
        notification.vibrate = vibrate;
        
        //自定義通知閃屏
        notification.ledARGB = Color.RED;
        notification.ledOffMS = 0;//設置頻率
        notification.ledOnMS = 1; //若OnMS也是0，則將燈關閉
        notification.flags = notification.flags | Notification.FLAG_SHOW_LIGHTS;
        
        //持續的通知
        notification.flags = notification.flags | Notification.FLAG_ONGOING_EVENT;//正在進行的事件
        //連續的通知
        notification.flags = notification.flags | Notification.FLAG_INSISTENT;//一直重複音頻震動閃爍直到被取消
    }
}

警報

 

public class MyActivity extends Activity {
    
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        // TODO Auto-generated method stub
        super.onCreate(savedInstanceState);
        
        //警報。警報類型：
//        RTC_WAKEUP指定時間喚醒並觸發意圖；
//        RTC指定時間觸發意圖但不喚醒設備；
//        ELAPSED_REALTIME設備啓動後通過的時間觸發待處理的意圖，但不喚醒設備；
//        ELAPSED_REALTIME_WAKEUP設備啓動並通過指定時間後喚醒設備並觸發意圖
        AlarmManager alarms = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
        int alarmType = AlarmManager.ELAPSED_REALTIME_WAKEUP;
        long timeOrLengthofWait = 10000;
        String ALARM_ACTION = "ALARM_ACTION";
        Intent intentToFire = new Intent(ALARM_ACTION);
        PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 0, intentToFire, 0);
        alarms.set(alarmType, timeOrLengthofWait, pendingIntent);
        
        //取消報警
        alarms.cancel(pendingIntent);
        
        //重複報警
        //若是已經喚醒，那麼每小時觸發一次意圖
        alarms.setRepeating(AlarmManager.ELAPSED_REALTIME_WAKEUP, 60*60*1000, 60*60*1000, pendingIntent);
        //每小時喚醒並觸發一個警報
        alarms.setInexactRepeating(AlarmManager.ELAPSED_REALTIME_WAKEUP, 60*60*1000, AlarmManager.INTERVAL_DAY, pendingIntent);
    }
}