按下后隐藏UI按钮
问题描述:
嘿! 我想它按下按下后隐藏UI按钮
后隐藏一个UIButton这是我的.h代码:
#import <UIKit/UIKit.h>
@interface TemplateTestViewController : UIViewController { }
- (IBAction)ButtonPressed;
IBOutlet UIButton *sample; @property (nonatomic, retain) IBOutlet UIButton
*sample;
@end
这是我的.m代码:
#import "TemplateTestViewController.h"
#import "Page.h"
@implementation TemplateTestViewController
@synthesize sample;
-(IBAction) ButtonPressed{
if (([sample.selected=YES]))
{
sample.hidden = YES;
}
我得到四个错误和代码不起作用。我究竟做错了什么?我是新的,所以一些示例代码将非常感谢!
答
你在你的.h文件中有问题@interface声明。使用下面
#import <UIKit/UIKit.h>
@interface TemplateTestViewController : UIViewController {
IBOutlet UIButton *sample;
}
@property (nonatomic, retain) IBOutlet UIButton *sample;
- (IBAction)ButtonPressed;
@end
并在您的m类
-(IBAction) ButtonPressed {
if(sample.selected == YES)
{
sample.hidden = YES;
}
}