UIActionSheet not show

解决办法：

1.

[playingSheet showInView:[UIApplication sharedApplication].keyWindow];

2.

[playingSheet showInView:self.view.superView];
3.
[playingSheet setFrame:CGRectMake(0, theHeightYouWant, 320, yourDesiredHeight)];
4.
self.view.superView.frame = CGRectMake(0,0,320,480);
[playingSheet showInView:self.view];

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