ios6中仿ios7导航按钮

Sian

#pragma mark 仿iOS7ButtonItem

- (id)initWithTitle:(NSString *)title addTarget:(id)target action:(SEL)action

{

    if (self = [super init]){

        // 创建一个普通按钮并设置按钮样式

        UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];

        [button setTitle:title forState:UIControlStateNormal];

        [button setTitleColor:kBlueColor forState:UIControlStateNormal];

        [button setTitleColor:kBlueColorSelected forState:UIControlStateHighlighted];

        [button setTitleColor:kBlueColorDisable forState:UIControlStateDisabled];

        button.titleLabel.font = [UIFont boldSystemFontOfSize:18];

        CGSize size = [button.titleLabel.text sizeWithFont:button.titleLabel.font];

        button.bounds = (CGRect){CGPointZero, size.width + 10, size.height};

        button.contentHorizontalAlignment = iOS7 ? UIControlContentHorizontalAlignmentRight : UIControlContentHorizontalAlignmentLeft;

        // 设置按钮事件处理

        [button addTarget:target action:action forControlEvents:UIControlEventTouchUpInside];

        // 将item初始化为上述按钮样式

        self = [[UIBarButtonItem alloc] initWithCustomView:button];

    }

    return self;

}

#pragma mark 仿iOS7返回按钮

- (id)initWithBackButtonTitle:(NSString *)title addTarget:(id)target action:(SEL)action

{

    if (self = [super init]){

        // 创建一个普通按钮并设置按钮样式

        UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];

        // 蓝色返回箭头

        UIImage *normal = [UIImage resizeImage:@"navigation_button_back.png"];

        [button setImage:normal forState:UIControlStateNormal];

        // 按钮文字及属性

        [button setTitle:title forState:UIControlStateNormal];

        [button setTitleColor:kBlueColor forState:UIControlStateNormal];

        [button setTitleColor:kBlueColorSelected forState:UIControlStateHighlighted];

        // 按钮布局

        button.imageEdgeInsets = UIEdgeInsetsMake(0, iOS7 ? -15 : 4, 0, 0);

        button.titleEdgeInsets = UIEdgeInsetsMake(0, iOS7 ? -10 : 6, 0, 0);

        CGFloat width = [button.titleLabel.text sizeWithFont:button.titleLabel.font].width + 20;

        button.bounds = (CGRect){CGPointZero, width, normal.size.height};

        // 设置按钮事件处理

        [button addTarget:target action:action forControlEvents:UIControlEventTouchUpInside];

        // 将item初始化为上述按钮样式

        self = [[UIBarButtonItem alloc] initWithCustomView:button];

    }

    return self;

}