Cannot show modal ViewController in iOS7

Question

I tried to show system defined viewcontrollers (MFMailComposeViewController, TWTweetComposeViewController,etc..) as a modal view.

But these viewcontrollers dosn\'t a

Answer 1

This is an issue when you do not compile for 64bit (arm64) in your project settings. Though this may not always be an option for some people because currently Google Analytics does not support the 64bit devices.