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iOS: check if qApp is still valid before accessing it

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When the application quits, the iOS plugin can be told
to delete after qApp has been set to null. So we
need to add a check for this, to avoid error messages.

Change-Id: I687e0b26e0c54fdd5a8539fe0f31b2e756ea92d8
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>
Reviewed-by: Jake Petroules <jake.petroules@qt.io>
This commit is contained in:
Richard Moe Gustavsen 2016-06-15 14:07:33 +02:00 committed by Jake Petroules
parent 6370c3aa71
commit b00565bc28
1 changed files with 2 additions and 1 deletions
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3
src/plugins/platforms/ios/qiostextinputoverlay.mm
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@ -994,7 +994,8 @@ QIOSTextInputOverlay::QIOSTextInputOverlay()
QIOSTextInputOverlay::~QIOSTextInputOverlay()
{
disconnect(qApp, 0, this, 0);
if (qApp)
disconnect(qApp, 0, this, 0);
}
void QIOSTextInputOverlay::updateFocusObject()