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Question

有什么方法可以在导航栏上添加UIbutton在Three20开源中的完整图像显示的导航栏上是否可以添加UIButton？ 或显示图像的拇指时，可以添加或不添加按钮。

Answer 1

它可以用像这样做...

UIButton *myButton = [UIButton buttonWithType:UIButtonTypeCustom]; 
[myButton setImage:[UIImage imageNamed:@"myButtonImage"] forState:UIControlStateNormal]; 
[myButton setTarget: ....]; 
UIBarButtonItem *barButton = [[UIBarButtonItem alloc] initWithCustomView:myButton]; 
self.navigationItem.rightBarButtonItem = barButton; 
[barButton release];