Re: [Interest] Qt Android App and Notifications - Black screen after tapping a notification with app open on background.

[Jason H]

I sent incomplete Code before:

This is  how I set the Notification:

private void displayNotification(final String message) {
   Intent notificationIntent = new Intent(this, MyQtActivity.class);
   notificationIntent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP | Intent.FLAG_ACTIVITY_SINGLE_TOP);
   int requestID = (int) System.currentTimeMillis();
   PendingIntent contentIntent = PendingIntent.getActivity(this, requestID, notificationIntent,
         PendingIntent.FLAG_UPDATE_CURRENT);

   // Display a notification with an icon, message as content, and default sound. It also
   // opens the app when the notification is clicked.
   NotificationCompat.Builder builder = new NotificationCompat.Builder(this).setSmallIcon(
         R.drawable.icon)
         .setContentTitle(getString(R.string.push_demo_title))
         .setContentText(message)
         .setDefaults(Notification.DEFAULT_SOUND)
         .setAutoCancel(true)
         .setContentIntent(contentIntent);

   NotificationManager notificationManager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);

   notificationManager.notify(0, builder.build());
}

 

But I don't know how Parse handles it. I might try to take the notificationIntent above and just startIntent() it from the handler and see what you get.

 

Sent: Tuesday, August 30, 2016 at 12:04 PM
From: "Nuno Santos" <nunosan...@imaginando.pt>
To: "Jason H" <jh...@gmx.com>
Cc: "Qt Project MailingList" <interest@qt-project.org>
Subject: Re: [Interest] Qt Android App and Notifications - Black screen after tapping a notification with app open on background.

None. Everything is done by Parse SDK. But in the snippet bellow I can override things.

 

 

On 30 Aug 2016, at 17:03, Jason H <jh...@gmx.com> wrote:

 

What code are you using to show your activity from the notification?

 

Sent: Tuesday, August 30, 2016 at 11:32 AM
From: "Nuno Santos" <nunosan...@imaginando.pt>
To: "Jason H" <jh...@gmx.com>
Cc: "Qt Project MailingList" <interest@qt-project.org>
Subject: Re: [Interest] Qt Android App and Notifications - Black screen after tapping a notification with app open on background.

My launch mode is singleTop. I had singleTask but I have changed to singleTop without success. I don’t know the reason for having singleTask. I don’t remember. 

Also, I use Parse to receive and handle push notifications so I have the following filter to change the background color of the notification on Lollipop

 

import com.parse.ParsePushBroadcastReceiver;

import android.app.Notification;

import android.content.Context;

import android.content.Intent;

import android.os.Build;

import android.util.Log;

 

public class IPushBroadcastReceiver extends ParsePushBroadcastReceiver

{

    @Override

    protected Notification getNotification(Context context, Intent intent)

    {

        Notification notification = super.getNotification(context, intent);

 

        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP)

        {

            notification.color = 0xff000000;

        }

 

        return notification;

    }

}

 

 

On 30 Aug 2016, at 16:28, Jason H <jh...@gmx.com> wrote:

 

I don't have a problem with notifcations like that.

What are you doing to bring your activity to the front?

I'd suspect you start an intent, and have the SINGLE_TOP flag on the activity, or something like that?

 

Sent: Tuesday, August 30, 2016 at 11:12 AM
From: "Nuno Santos" <nunosan...@imaginando.pt>
To: "Qt Project MailingList" <interest@qt-project.org>
Subject: [Interest] Qt Android App and Notifications - Black screen after tapping a notification with app open on background.

Hi,

 

When my app has a notification I want to tap on the notification and open the app. If the app is closed, it works correctly. When the app is open in the background, it gets a black screen.

 

Has anyone had this problem in the past? Any suggestion?

 

Thanks,

 

Nuno

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