Custom Navgaion Bar

gistfile1

// 配置自定义NavigationBar
- (void) setupCustomNavigaionBar
{
    // iOS 7 or Later
    if (is_IOS7OrLater) {
        // 图片背景
        [[UINavigationBar appearance] setBackgroundImage:[UIImage UIImageFromeColor:[UIColor colorWithRed:0.33 green:0.63 blue:0.7 alpha:1] withSize:CGSizeMake(0, 1)] forBarMetrics:UIBarMetricsDefault];
        
         // 背景颜色
         [[UINavigationBar appearance] setBarTintColor:Button_Backgroud_Color];
         [[UINavigationBar appearance] setTranslucent:NO];
         
        // Bar item Color
        [[UINavigationBar appearance] setTintColor:[UIColor whiteColor]];
        
        // 返回按钮图像
        [[UINavigationBar appearance] setBackIndicatorImage:[UIImage imageNamed:@"nav_back"]];
        // push 和pop 转换时的图像
        [[UINavigationBar appearance] setBackIndicatorTransitionMaskImage:[UIImage imageNamed:@"nav_back"]];
        
    } else { // iOS 6
        
        // 导航栏 背景颜色
        [[UINavigationBar appearance] setBackgroundImage:[[UIImage alloc] init] forBarMetrics:UIBarMetricsDefault];
        [[UINavigationBar appearance] setBackgroundColor:Button_Backgroud_Color];
    }
    
    // 导航栏 titile 字体
    NSDictionary *textAttributes = nil;
    if ([[[UIDevice currentDevice] systemVersion] integerValue] >= 7.0) {
        textAttributes = @{
                           NSFontAttributeName: [UIFont boldSystemFontOfSize:20],
                           NSForegroundColorAttributeName: [UIColor whiteColor],
                           };
        
    } else {
        textAttributes = @{
                           UITextAttributeFont: [UIFont boldSystemFontOfSize:20],
                           UITextAttributeTextColor: [UIColor whiteColor],
                           UITextAttributeTextShadowColor: [UIColor clearColor],
                           UITextAttributeTextShadowOffset: [NSValue valueWithUIOffset:UIOffsetZero],
                           };
    }
    
    [[UINavigationBar appearance] setTitleTextAttributes:textAttributes];
    
}