How to Change the Background Color of a Uibutton While It's Highlighted

How to change the background color of a UIButton while it's highlighted?

You can override UIButton's setHighlighted method.

Objective-C

- (void)setHighlighted:(BOOL)highlighted {
    [super setHighlighted:highlighted];

    if (highlighted) {
        self.backgroundColor = UIColorFromRGB(0x387038);
    } else {
        self.backgroundColor = UIColorFromRGB(0x5bb75b);
    }
}

Swift 3.0 and Swift 4.1

override open var isHighlighted: Bool {
    didSet {
        backgroundColor = isHighlighted ? UIColor.black : UIColor.white
    }
}

UIButton background color for highlighted/selected state issue

I found the issue, UIButton was set to System.I simply changed it to Custom, it started working as expected.

How do I set UIButton background color forState: UIControlState.Highlighted in Swift

If anyone stops by, another way to go maybe more easily if it is something you need more than once... I wrote a short extension for UIButton, it works just fine:

for Swift 3

extension UIButton {
    func setBackgroundColor(color: UIColor, forState: UIControlState) {
        UIGraphicsBeginImageContext(CGSize(width: 1, height: 1))
        CGContextSetFillColorWithColor(UIGraphicsGetCurrentContext(), color.CGColor)
        CGContextFillRect(UIGraphicsGetCurrentContext(), CGRect(x: 0, y: 0, width: 1, height: 1))
        let colorImage = UIGraphicsGetImageFromCurrentImageContext()
        UIGraphicsEndImageContext()

        self.setBackgroundImage(colorImage, forState: forState)
    }
}

for Swift 4

extension UIButton {
    func setBackgroundColor(color: UIColor, forState: UIControl.State) {
        self.clipsToBounds = true  // add this to maintain corner radius
        UIGraphicsBeginImageContext(CGSize(width: 1, height: 1))
        if let context = UIGraphicsGetCurrentContext() {
            context.setFillColor(color.cgColor)
            context.fill(CGRect(x: 0, y: 0, width: 1, height: 1))
            let colorImage = UIGraphicsGetImageFromCurrentImageContext()
            UIGraphicsEndImageContext()
            self.setBackgroundImage(colorImage, for: forState)
        }
    }
}

You use it just like setBackgroundImage:

yourButton.setBackgroundColor(color: UIColor.white, forState: UIControl.State.highlighted)

How to change the highlighted color of a UIButton?

Try to Override the UIButton with the following Method.. and just change the backgroud color of button when its in highlighted state.

- (void)setHighlighted:(BOOL)highlighted {
    [super setHighlighted:highlighted];

    if (highlighted) {
        self.backgroundColor = [UIColor Your Customcolor];
    }
    else{
        self.backgroundColor = [UIColor Your DefaultColor];
    }   

}

Try it..hope it helps

Change background color of UIButton when Highlighted

Changing the internal layer hierarchy of a UIButton is not recommended since it may break in a future update of the iOS. Also, it may cause Apple to reject your application. A better solution would be to create a button subclass. Here is an example of how to do it:

@interface MyButton : UIButton
@end

@implementation MyButton

- (id)initWithFrame:(CGRect)frame
{
    if (self = [super initWithFrame:frame])
    {
        [self addObserver:self forKeyPath:@"highlighted" options:NSKeyValueObservingOptionNew context:NULL];
    }

    return self;
}

- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context
{
    [self setNeedsDisplay];
}

- (void)drawRect:(CGRect)rect
{
    [super drawRect:rect];

    if (self.highlighted == YES)
    {
        CGContextRef ctx = UIGraphicsGetCurrentContext();

        CGColorSpaceRef rgb = CGColorSpaceCreateDeviceRGB();

        const CGFloat *topGradientColorComponents = CGColorGetComponents([UIColor whiteColor].CGColor);
        const CGFloat *bottomGradientColorComponents = CGColorGetComponents([UIColor blackColor].CGColor);

        CGFloat colors[] =
        {
            topGradientColorComponents[0], topGradientColorComponents[1], topGradientColorComponents[2], topGradientColorComponents[3],
            bottomGradientColorComponents[0], bottomGradientColorComponents[1], bottomGradientColorComponents[2], bottomGradientColorComponents[3]
        };
        CGGradientRef gradient = CGGradientCreateWithColorComponents(rgb, colors, NULL, sizeof(colors) / (sizeof(colors[0]) * 4));
        CGColorSpaceRelease(rgb);

        CGContextDrawLinearGradient(ctx, gradient, CGPointMake(0, 0), CGPointMake(0, self.bounds.size.height), 0);
        CGGradientRelease(gradient);
    }
    else
    {
        // Do custom drawing for normal state
    }
}

- (void)dealloc
{
    [self removeObserver:self forKeyPath:@"highlighted"];

    [super dealloc];
}

@end

You may need to modify it a bit to get it to do what you want but I think you get the basic idea.

How to set UIButton background color by state

Get an UIImage from UIColor, use that image as background image for the button.

- (UIImage *)imageWithColor:(UIColor *)color
{
    CGRect rect = CGRectMake(0.0f, 0.0f, 1.0f, 1.0f);
    UIGraphicsBeginImageContext(rect.size);
    CGContextRef context = UIGraphicsGetCurrentContext();

    CGContextSetFillColorWithColor(context, [color CGColor]);
    CGContextFillRect(context, rect);

    UIImage *image = UIGraphicsGetImageFromCurrentImageContext();
    UIGraphicsEndImageContext();

    return image;
}

[button setBackgroundImage:[self imageWithColor:[UIColor lightGrayColor]] forState:UIControlStateNormal];
[button setBackgroundImage:[self imageWithColor:[UIColor redColor]] forState:UIControlStateHighlighted];

ObjectiveC - UIButton remains highlighted/selected and background color and font color changes when highlighted/selected

I was able to achieve the function you are working on and below is how i did it.

I created the design via storyboard and connected all the 9 button's actions methods to a single Selector method, inside the action method with the help sender parameter we can get the selected buttons reference and use it.

- (IBAction)btnPressed:(UIButton*)sender {

/* Below for loop works as a reset for setting the default colour of button and to not select the same one twice*/
for (UIButton* button in buttons) {
    [button setSelected:NO];
    [button setBackgroundColor:[UIColor whiteColor]];
    [button setUserInteractionEnabled:true];
// [button setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];
    [button setTitleColor:[UIColor blackColor] forState:UIControlStateSelected];
}

NSInteger tag = sender.tag;        // Here we get the sender tag, which we can use for our needs. Also we can directly use the sender and get the title or whatsoever needed.

/*Now below line works as a toggle for the button where multiple buttons can't be selected at the same time.*/
sender.selected = ! sender.selected;      

if(sender.selected)
{
/* Here we set the color for the button and handle the selected function*/
    [sender setSelected:YES];
    [sender setUserInteractionEnabled:false];
    [sender setBackgroundColor:[UIColor magentaColor]];
}
}

You can also add custom layer for the button by using the "sender.Layer" property.

The Whole code is added below,

All the button's action needs to be connected to a single selector method,
- (IBAction)btnPressed:(UIButton*)sender;

#import "ViewController.h"

@interface ViewController ()
@property (weak, nonatomic) IBOutlet UIView *mainViewOL;
@property (weak, nonatomic) IBOutlet UIButton *btn1;
@property (weak, nonatomic) IBOutlet UIButton *btn2;
@property (weak, nonatomic) IBOutlet UIButton *btn3;
@property (weak, nonatomic) IBOutlet UIButton *btn4;
@property (weak, nonatomic) IBOutlet UIButton *btn5;
@property (weak, nonatomic) IBOutlet UIButton *btn6;
@property (weak, nonatomic) IBOutlet UIButton *btn7;
@property (weak, nonatomic) IBOutlet UIButton *btn8;
@property (weak, nonatomic) IBOutlet UIButton *btn9;

@end

@implementation ViewController

NSArray* buttons;

- (void)viewDidLoad {
    [super viewDidLoad];

    buttons = [NSArray arrayWithObjects:_btn1, _btn2, _btn3,_btn4,_btn5,_btn6,_btn7,_btn8,_btn9,nil];

    self.mainViewOL.layer.shadowRadius  = 5;
    self.mainViewOL.layer.shadowColor   = [UIColor colorWithRed:211.f/255.f green:211.f/255.f blue:211.f/255.f alpha:1.f].CGColor;
    self.mainViewOL.layer.shadowOffset  = CGSizeMake(0.0f, 0.0f);
    self.mainViewOL.layer.shadowOpacity = 0.9f;
    self.mainViewOL.layer.masksToBounds = NO;

    /* I Have added the 9 button's in an array and used it to reduce the lines of code and for easy understanding as well*/
    for (UIButton* button in buttons) {
        button.layer.borderColor = [UIColor lightGrayColor].CGColor;
        button.layer.borderWidth =1.0f;
    }
}

- (IBAction)btnPressed:(UIButton*)sender {
    for (UIButton* button in buttons) {
        [button setSelected:NO];
        [button setBackgroundColor:[UIColor whiteColor]];
        [button setUserInteractionEnabled:true];
     // [button setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];        //Based on your needs and colour variant you cant add properties to the button for different control states.
        [button setTitleColor:[UIColor blackColor] forState:UIControlStateSelected];
    }

    NSInteger tag = sender.tag;

    sender.selected = ! sender.selected;


    if(sender.selected)
    {
        [sender setSelected:YES];
        [sender setUserInteractionEnabled:false];
        [sender setBackgroundColor:[UIColor purpleColor]];
        sender.backgroundColor = [UIColor magentaColor];
    }
}

@end

And the Final Result

Ignore the delay in button selection, it is caused by the video to gif conversion.

Hope This helps.

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