Question

我想在单击通知时在对话框中显示标题和消息文本。这是带有onMessageReceived和SendNotification的代码，我正在从控制台使用fcm发送消息-

@Override
public void onMessageReceived(RemoteMessage remoteMessage) {
    super.onMessageReceived(remoteMessage);
    sendNotification(remoteMessage.getNotification().getBody());

}


private void sendNotification (String messageBody){

    Intent intent = new Intent(this ,MainActivity.class);
    intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);

    PendingIntent pendingIntent = PendingIntent.getActivity(this,0,intent,PendingIntent.FLAG_ONE_SHOT);


    Uri defaultsoundUri = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION);

    NotificationCompat.Builder notificationBuilder = new NotificationCompat.Builder(this);
    notificationBuilder.setSmallIcon(R.drawable.ic_stat_name);
    notificationBuilder.setContentTitle("Guru Nanak Dev Polytechnic College");
    notificationBuilder.setContentText(messageBody);
    notificationBuilder.setAutoCancel(true);
    notificationBuilder.setSound(defaultsoundUri);
    notificationBuilder.setContentIntent(pendingIntent);


    NotificationManager notificationManager = (NotificationManager)getSystemService(Context.NOTIFICATION_SERVICE);
    notificationManager.notify(0,notificationBuilder.build());

}
}

Answer 1

您将需要一个活动引用来显示对话框，这样：

Intent intent = new Intent(this ,MainActivity.class);
intent.putExtra("fromNotification",true);
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);

在MainActivity中：

Intent intent= getIntent;
        if(intent.getBooleanExtra("fromNotification",true))
        {
            // show your dialog here
        }

Answer 2

在您向MainActivity发送的PendingIntent中，以EXTRA的身份发送messageBody，即

Intent intent = new Intent(this ,MainActivity.class);
intent.putExtra("data", messageBody);

现在，当用户单击通知时，它将带他们到MainActivity。在MainActivity的onCreate()中，检查此活动是从通知中打开还是在其他地方（借助于getIntent的帮助下）打开：

String notificationData = getIntent().getStringExtra("data");

//if this activity is opened from notification, it will have extra data
if(notificationData !=null){

 //now open dialog
 showDialog(notificationData);
}

单击通知（FCM）时打开对话框

2 个答案: