How to detect Orientation Change in Custom Keyboard Extension in iOS 8?

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In order to update your custom keyboard when the orientation changes, override viewDidLayoutSubviews in the UIInputViewController. As far as I can tell, when a rotation occurs this method is always called.

Additionally, as the traditional [UIApplication sharedApplication] statusBarOrientation] doesn’t work, to determine the current orientation use the following snippet:

if([UIScreen mainScreen].bounds.size.width < [UIScreen mainScreen].bounds.size.height){
    //Keyboard is in Portrait
}
else{
    //Keyboard is in Landscape
}

Hopefully this helps!

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