Change background color of UIButton

add QuartzCore.framework to project

//

//  PowerBankViewController.h

#import <QuartzCore/QuartzCore.h>

IBOutlet UIButton *btn10;

IBOutlet UIButton *btn20;

@property (nonatomic, retain) IBOutlet UIButton *btn10;

@property (nonatomic, retain) IBOutlet UIButton *btn20;

-(void)setUIButtonColor:(UIButton *)button setColor:(UIColor *)color;

//

//  PowerBankViewController.m

@synthesize btn10,btn20;

- (void)viewDidLoad {

        [self setUIButtonColor:btn10 setColor:[UIColor redColor]];

[self setUIButtonColor:btn20 setColor:[UIColor redColor]];

}

- (void)setUIButtonColor:(UIButton *)button setColor:(UIColor *)color

{

[[button layer] setCornerRadius:8.0f];

[[button layer] setMasksToBounds:YES];

[[button layer] setBorderWidth:1.0f];

[[button layer] setBorderColor:[[UIColor blackColor] CGColor]];

[[button layer] setBackgroundColor:[[UIColor blueColor] CGColor]];

[button setBackgroundColor:color];

}