我在我的设置我的自定义背景AppDelegate.m
:
[self.window setBackgroundColor:[UIColor colorWithPatternImage:[UIImage imageNamed:@"background.png"]]];
在我的视图控制器中,我在将其添加为子视图之前制作了我的自定义按钮:
- (void)viewDidLoad
{
[super viewDidLoad];
// Do any additional setup after loading the view.
self.mainButton = [UIButton buttonWithType:UIButtonTypeCustom];
[self.mainButton setImage:[UIImage imageNamed:@"aButton"] forState:UIControlStateNormal];
[self.mainButton setImage:[UIImage imageNamed:@"aButton"] forState:UIControlStateHighlighted];
[self.mainButton setFrame:CGRectMake(100, 100, 300, 100)];
[self.view addSubview:self.mainButton];
}
只显示我的背景。如果我删除背景 - 按钮就会出现。