手势 UIRotationGestureRecognizer 旋转
更新:HHH   时间:2023-1-7





UIRotationGestureRecognizer * rotationGesture = [[UIRotationGestureRecognizer alloc]initWithTarget:self action:@selector(rotation:)];


   [redView addGestureRecognizer:rotationGesture];


 [rotationGesture release];





- (void)rotation:(UIRotationGestureRecognizer *)rotation
{
    rotation.view.transform = CGAffineTransformRotate(rotation.view.transform, rotation.rotation);
    rotation.rotation = 0;
}

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