APP 导航条、状态栏、返回按钮相关

App Appearance.m

	// vim: syntax=objc
    
    //设置返回按钮
    UIImage * backImage = [[UIImage imageNamed:@"title_back_icon"] imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal];
    [UINavigationBar.appearance setBackIndicatorImage:backImage];
    [UINavigationBar.appearance setBackIndicatorTransitionMaskImage:backImage];
    
    if(@available(iOS 11, *)) {
        [[UIBarButtonItem appearance] setTitleTextAttributes:@{NSForegroundColorAttributeName: [UIColor clearColor]} forState:UIControlStateNormal];
        [[UIBarButtonItem appearance] setTitleTextAttributes:@{NSForegroundColorAttributeName: [UIColor clearColor]} forState:UIControlStateHighlighted];
    } else {
        [[UIBarButtonItem appearance] setBackButtonTitlePositionAdjustment:UIOffsetMake(-60, -60) forBarMetrics:UIBarMetricsDefault];
    }
    
    //设置导航条颜色、图片
    UIImage * navigationBarImage = [UIImage imageNamed:@"title_img_back"];
    navigationBarImage = [navigationBarImage resizableImageWithCapInsets:UIEdgeInsetsZero resizingMode:UIImageResizingModeStretch];
    [UINavigationBar.appearance setBackgroundImage:navigationBarImage forBarMetrics:UIBarMetricsDefault];
    
    //设置导航条文本颜色，按钮颜色
    [UINavigationBar.appearance setTitleTextAttributes:@{NSForegroundColorAttributeName : [UIColor whiteColor]}];
    [UINavigationBar.appearance setTintColor:[UIColor whiteColor]];
    
    //设置 ToolBar 按钮颜色
    [[UIToolbar appearance] setTintColor:[UIColor colorWithHexString:@"FE6655"]];
    
    //白色状态栏(info.plist文件中需要将Status Bar Style 改为 Light)
    [UIApplication sharedApplication].statusBarStyle = UIStatusBarStyleLightContent;
    
    
   //代码设置RootViewController
   	self.window = [[UIWindow alloc] initWithFrame:[UIScreen mainScreen].bounds];
    self.window.backgroundColor = [UIColor whiteColor];
    [self.window makeKeyAndVisible];
  
    KMHomeViewController * homeViewController = [[KMHomeViewController alloc] init];
    KMBaseNavigationController * homeNavi = [[KMBaseNavigationController alloc] initWithRootViewController:homeViewController];
    self.window.rootViewController = homeNavi;