iOS之UISwitch使用

xiaoxiao2021-02-27  771

1.UISwitch的初始化

UISwitch *switchView = [[UISwitch alloc]initWithFrame:CGRectMake(0,0,50,30)];

2.设置UISwitch的初始化状态

switchView.on = YES;

3.事件触发

[switchView addTarget:self action:@selector(switchAction:) forControlEvents:UIControlEventValueChanged];  // 开关事件切换通知

[self.view addSubview: switchView];

-(void)switchAction:(id)sender

{

    UISwitch *switchButton = (UISwitch*)sender;

    BOOL isButtonOn = [switchButtonisOn];

    if (isButtonOn) {

        NSLog(@"");

    }else {

        NSLog(@"");

    }

}

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