如何更改OFF状态的UISwitch默认颜色？

Question

我想在关闭状态下更改UISwitch中onTintColor的颜色.交换机在tableview中,并以编程方式进行切换.

    [settingsSwitch setBackgroundColor:[UIColor whiteColor]];
    [settingsSwitch setTintColor:[UIColor whiteColor]];
    [settingsSwitch setThumbTintColor:[UIColor redColor]];
    [settingsSwitch setOnTintColor:[UIColor colorWithRed:138/256.0  green:9/256.0 blue:18/256.0 alpha:1]];

这是我将背景颜色设置为白色时得到的结果.

没有背景我会得到红色,这是我的细胞的颜色.

这是我想要的结果,当开关打开onTintColor应该是深红色,而在关闭状态它应该是白色.

我尝试用这行代码在开关上设置图像

[settingsSwitch setOnImage:[UIImage imageNamed:@"on.png"]];
[settingsSwitch setOffImage:[UIImage imageNamed:@"off.png"]];

但它没有改变图像.我想改变开关处于关闭状态的颜色.希望我能清楚地解释我的问题.谢谢你提前帮助.

Answer 1

您可以使用以下CODE来满足要求.

你的ViewDidLoad

- (void)viewDidLoad
{
    [super viewDidLoad];

    // Do any additional setup after loading the view, typically from a nib.

    [self.view setBackgroundColor:[UIColor redColor]];

    settingsSwitch.layer.cornerRadius = 16.0; // you must import QuartzCore to do this


    if (settingsSwitch.on) {
        NSLog(@"If body ");
        [settingsSwitch setThumbTintColor:[UIColor redColor]];

        [settingsSwitch setBackgroundColor:[UIColor whiteColor]];
        [settingsSwitch setOnTintColor:[UIColor whiteColor]];

    }else{
        NSLog(@"Else body ");

        [settingsSwitch setTintColor:[UIColor clearColor]];

        [settingsSwitch setThumbTintColor:[UIColor redColor]];

        [settingsSwitch setBackgroundColor:[UIColor colorWithRed:138/256.0 green:9/256.0 blue:18/256.0 alpha:1]];
    }
}

调用状态更改IBAction的方法.

- (IBAction)switchStatusChange:(UISwitch *)sender
{
    if (sender.on) {
        NSLog(@"If body ");
        [sender setThumbTintColor:[UIColor redColor]];

        [sender setBackgroundColor:[UIColor whiteColor]];
        [sender setOnTintColor:[UIColor whiteColor]];

    }else{
        NSLog(@"Else body ");

        [sender setTintColor:[UIColor clearColor]];

        [sender setThumbTintColor:[UIColor redColor]];

        [sender setBackgroundColor:[UIColor colorWithRed:138/256.0 green:9/256.0 blue:18/256.0 alpha:1]];
    }
}