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iOS: Use qFatal when detecting QApplication before UIApplicationMain

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Gives a stack-trace at the point the error was caused, making it easier
to debug what's going on.

Change-Id: I0d65bb5061e9a97c142d41f6c99a1a1803cbe82d
Reviewed-by: Richard Moe Gustavsen <richard.gustavsen@theqtcompany.com>
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@theqtcompany.com>
This commit is contained in:
Tor Arne Vestbø 2015-03-04 12:43:03 +01:00 committed by Tor Arne Vestbø
parent b0182069e5
commit ddf09adeeb
1 changed files with 4 additions and 6 deletions
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10
src/plugins/platforms/ios/qiosintegration.mm
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@ -69,12 +69,10 @@ QIOSIntegration::QIOSIntegration()
, m_accessibility(0) , m_accessibility(0)
{ {
if (![UIApplication sharedApplication]) { if (![UIApplication sharedApplication]) {
qWarning() qFatal("Error: You are creating QApplication before calling UIApplicationMain.\n" \
<< "Error: You are creating QApplication before calling UIApplicationMain.\n" "If you are writing a native iOS application, and only want to use Qt for\n" \
<< "If you are writing a native iOS application, and only want to use Qt for\n" "parts of the application, a good place to create QApplication is from within\n" \
<< "parts of the application, a good place to create QApplication is from within\n" "'applicationDidFinishLaunching' inside your UIApplication delegate.\n");
<< "'applicationDidFinishLaunching' inside your UIApplication delegate.\n";
exit(-1);
} }
// Set current directory to app bundle folder // Set current directory to app bundle folder