屏幕旋转
// ios 5、6都有这个方法
- (BOOL)shouldAutorotate{
returnYES;
}
//ios6有效
- (NSUInteger)supportedInterfaceOrientations{
returnUIInterfaceOrientationMaskLandscape;
}
//ios5有效
- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation{
return ((toInterfaceOrientation==UIInterfaceOrientationLandscapeLeft)||(toInterfaceOrientation==UIInterfaceOrientationLandscapeRight));
}
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