自定义UIButton: 左1/4图标,右3/4文字

MButton.h

#import <Foundation/Foundation.h>


@interface MButton : UIButton {
    
}

@end

MButton.m

#import "MButton.h"


@implementation MButton

- (CGRect)imageRectForContentRect:(CGRect)contentRect
{
    return CGRectMake(0, 0, self.frame.size.width/4, self.frame.size.height);
}

- (CGRect)titleRectForContentRect:(CGRect)contentRect
{
    return CGRectMake(self.frame.size.width/4, 0, self.frame.size.width*3/4, self.frame.size.height);    
}

- (CGRect)backgroundRectForBounds:(CGRect)bounds
{
    return self.frame;
}


@end

Usage.txt

{
    UIViewController *controller = [[UIViewController alloc] init];    
    MButton *button = [[MButton alloc] initWithFrame:CGRectMake(50, 100, 200, 100)];
    [button setImage:[UIImage imageNamed:@"arrow.png"] forState:UIControlStateNormal];
    [button setTitle:@"button" forState:UIControlStateNormal];
    button.titleLabel.textAlignment = UITextAlignmentCenter;
    [controller.view addSubview:button];
}