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

Eddie Sutton eddie.of.the.spam at gmail.com
Fri Oct 7 19:21:41 CEST 2016

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");

Thanks in advance,


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