uiview-iPhone中點擊按鈕修改視圖

iPhone中點擊按鈕修改視圖

做了一個iPhone項目。我想要通過點擊按鈕加載一個UIView，充填一半屏幕。

最佳回答：

UIView *customView =[UIView alloc]initWithFrame:CGRectMake(10,100,200,200);//Give frame according to your view 
customView.backgroundColor=[UIColor greenColor];
[Self.view addSubView: customView];