0
我创建了一个按钮的UIButton奇怪的行为
uploadBtn = [UIButton buttonWithType:UIButtonTypeRoundedRect];
uploadBtn.frame = CGRectMake(35, 340, 250, 40);
[uploadBtn setTitle:@"Upload" forState:UIControlStateNormal];
[uploadBtn addTarget:self action:@selector(callUpload) forControlEvents:UIControlEventTouchUpInside];
[self.view addSubview:uploadBtn];
行动
-(void)callUpload
{
UploadViewController *uploadObj = [[UploadViewController alloc]init];
[self.navigationController pushViewController:uploadObj animated:YES];
}
但是当我点击按钮没有任何事件发射了。请帮忙
你确定它的按钮的错吗?你有没有在'callUpload'中放置一个断点来判断它是否被执行? – waldrumpus
你确定你的按钮不在其超监视范围之外吗?触摸事件不会传递到超视图界限之外的子视图,即使“clipToBounds = NO”。 – AliSoftware
我刚刚为其动作添加了一个提醒,它出现了。导航控制器有什么问题? – user1700171