Warning:
Attempt
to present <UIImagePickerController:
0x7c0ae400>
on <CAGUCreateContactViewController:
0x7bf61a00>
which is
already presenting (null)
if([[[UIDevice currentDevice] systemVersion] floatValue]>=8.0)
{
[[NSOperationQueue mainQueue] addOperationWithBlock:^{
[self presentViewController:cameraUI animated:NO completion:nil];
}];
}
else{
[controller presentViewController:cameraUI animated:NO completion:nil];
}ios8.0 ipad UIImagePickerController
原文：http://blog.csdn.net/xiao562994291/article/details/42008375