谁能告诉我如何使用交换机? [英] can anyone tell me how to use switch?

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问题描述


  

可能重复:结果
  如何通过拨动开关申请设置?


我想用开关按钮来打开和关闭的设置的

谁能告诉我如何设置?我已经有以下code

谢谢!

声明

   - (IBAction为)changeMode:(ID)发送;

实施

   - (IBAction为)changeMode:(ID)发送者
{
}


解决方案

您挂接在Interface Builder中UISwitch后,您可以检查它是否在这样的:

   - (IBAction为)changeMode:(ID)发送者
{
     如果([上(UISwitch *)发件人])
     {
          的NSLog(@的开关已打开。);
     }
     其他
     {
          的NSLog(@的开关已关闭。);
     }
}

Possible Duplicate:
How to apply setting by toggle switch?

I want to use switch button to toggle on and off of a setting

can anyone tell me how to set it up? I already have the following code

Thanks!

declaration

- (IBAction) changeMode:(id)sender;

implementation

-(IBAction) changeMode:(id)sender
{
}

解决方案

After you hook up the UISwitch in Interface Builder, you can check if it's on like this:

-(IBAction) changeMode:(id)sender
{
     if ([(UISwitch *)sender on])
     {
          NSLog(@"The switch is on.");
     }
     else
     {
          NSLog(@"The switch is off.");
     }
}

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