Re: [Interest] Qt 5.6.1 widget app terminates if do not accept Android back key ?

[Jason H]

It seems like the activity catches it and removes itself from the stack.

Is it crashing? If so paste the exception.

 

 

Sent: Friday, October 07, 2016 at 1:21 PM
From: "Eddie Sutton" <eddie.of.the.s...@gmail.com>
To: "Qt Interest" <interest@qt-project.org>
Subject: [Interest] Qt 5.6.1 widget app terminates if do not accept Android back key ?

Has anyone seen this?

 

I cannot find any useful clues in adb.

 

The app terminates unless I add a keyReleaseEvent to accept the Key_Back.

 

 

#if defined(Q_OS_ANDROID)

///

///  Android back button kills TSR ?

///

/// Adding a keyReleaseEvent that accepts the event prevents the crash.

/// I do not understand reason why.

///

/// Ignoring the Android back button will annoy users but is better than crashing.

///

void MainWindow::keyReleaseEvent(QKeyEvent *event)

{

    if( Qt::Key_Back == event->key())

    {

        qDebug("Android Back button");

        event->setAccepted(true);

    }

}

#endif

 

Thanks in advance,

 

-Ed

 

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