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Ios 以编程方式删除UIButton_Ios_Objective C_Uibutton - Fatal编程技术网

Ios 以编程方式删除UIButton

Ios 以编程方式删除UIButton,ios,objective-c,uibutton,Ios,Objective C,Uibutton,我有下面的代码来创建按钮 UIButton *but= [UIButton buttonWithType:UIButtonTypeRoundedRect]; [but addTarget:self action:@selector(buttonClicked:) forControlEvents:UIControlEventTouchUpInside]; [but setFrame:CGRectMake(655, 320, 35,

我有下面的代码来创建按钮

UIButton *but= [UIButton buttonWithType:UIButtonTypeRoundedRect];
                [but addTarget:self action:@selector(buttonClicked:) forControlEvents:UIControlEventTouchUpInside];
                [but setFrame:CGRectMake(655, 320, 35, 35)];
                but.translatesAutoresizingMaskIntoConstraints = YES;
                [but setTitle:@"Login" forState:UIControlStateNormal];
                [but setExclusiveTouch:YES];
                [self.view addSubview:but];
并使用此代码识别触摸

-(void) buttonClicked:(UIButton*)sender
{

    [self text2];

}
我的问题是,如果按下此按钮,如何隐藏或删除我创建的此按钮


非常感谢

更多关于隐藏按钮的说明,作为发送者,按钮进入您的方法,隐藏此按钮:

-(void) buttonClicked:(UIButton*)sender
{
    [self text2];
    sender.hidden = YES;
}
要删除,您需要它的引用计数为0,从superview中删除并将其设置为零,它要看到的NSLog不存在

  -(void) buttonClicked:(UIButton*)sender
{
        [sender removeFromSuperview];
         sender = nil;
         NSLog(@"View sender %@",[sender description]);
}

您需要在视图控制器中存储对按钮的引用,其方式类似于通过UI Builder添加按钮的方式,或者标记按钮,并使用
viewWithTag
检索它

第二种方法可能更容易实施:

UIButton *but= [UIButton buttonWithType:UIButtonTypeRoundedRect];
but.tag = 123;
... // The rest of your code
当您需要删除它时,请使用

[[self.view viewWithTag:123] setHidden:YES];

[从SuperView中移除按钮]

焊盘


对不阅读文档进行否决投票

最好添加一个描述,而且这只会隐藏按钮问题的另一半呢?移除它。@Popeye给你。最好的