類似於音樂播放的, 常駐Notification

類似於音樂播放的, 常駐Notification

notification.flags = Notification.FLAG_ONGOING_EVENT;

private void normalStyleNotification() {
        Intent intent = new Intent(AutoUpdateService.this, MainActivity.class);
        //intent.setFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP);
        PendingIntent pendingIntent =
                PendingIntent.getActivity(AutoUpdateService.this, 0, intent, PendingIntent.FLAG_UPDATE_CURRENT);
        Notification.Builder builder = new Notification.Builder(AutoUpdateService.this);
        Notification notification = builder.setContentIntent(pendingIntent)
                .setContentTitle("天氣")
                .setContentText("當前溫度: %s℃")
                // 這裏部分 ROM 無法成功
                .setSmallIcon(R.mipmap.ic_launcher)
                .build();
        notification.flags = Notification.FLAG_ONGOING_EVENT;
        NotificationManager manager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
        // tag和id都是可以拿來區分不同的通知的
        manager.notify(1, notification);
    }