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2014/10/15 ¤U¤È 10:15:02
iphone Programming Glossary: tophoverviewiPhone SDK: Non-transparent subviews in transparent view http://stackoverflow.com/questions/1409285/iphone-sdk-non-transparent-subviews-in-transparent-view the uibuttons and setting their alpha back to 1.0 without success. Solutions Create the subview and add it to the view topHoverView UIView alloc initWithFrame CGRectMake 0 0 320 50 topHoverView.backgroundColor UIColor blackColor topHoverView setAlpha 0.2.. Solutions Create the subview and add it to the view topHoverView UIView alloc initWithFrame CGRectMake 0 0 320 50 topHoverView.backgroundColor UIColor blackColor topHoverView setAlpha 0.2 self.view addSubview topHoverView Add button 1 button1 UIButton.. the view topHoverView UIView alloc initWithFrame CGRectMake 0 0 320 50 topHoverView.backgroundColor UIColor blackColor topHoverView setAlpha 0.2 self.view addSubview topHoverView Add button 1 button1 UIButton buttonWithType UIButtonTypeRoundedRect button1..
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