一,效果图。
二,代码。
RootViewController.m
//点击任何处出现sheet -(void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event { UIActionSheet * sheet = [[UIActionSheet alloc] initWithTitle:@"确定要清空图片缓存?" delegate:self cancelButtonTitle:@"取消" destructiveButtonTitle:@"确定" otherButtonTitles:nil, nil]; [sheet showInView:self.view]; }
时间: 2024-07-31 12:04:28