UIButton没法显示title
UIButton无法显示titleC/C++ codebtn1[UIButton buttonWithType:UIButtonTypeRoundedRect][btn1 setTitl
UIButton无法显示title
C/C++ code btn1=[UIButton buttonWithType:UIButtonTypeRoundedRect]; [btn1 setTitle:@"OK" forState:UIControlStateNormal]; [btn1 setFrame:CGRectMake(10, 10, 100, 50)]; [self.view addSubview:btn1]; [btn1 release];
这是源码,为什么运行后,Button的title没法显示呢?
[解决办法]去掉[btn1 release];
[解决办法]只有init的UIButton才需要release。
[解决办法]你没有给button alloc内存啊,release以后button就没有了。