设置状态栏&&设置导航呢栏

//    隐藏状态栏

 [application setStatusBarHidden:YES];

 

//    设置导航背景颜色

 [[UINavigationBar appearance] setBarTintColor:[UIColor brownColor]];

//    设置状态栏字体颜色

  [application setStatusBarStyle:UIStatusBarStyleLightContent];

 

//    设置导航栏title颜色
    NSDictionary* textAttributes = @{
                                     NSFontAttributeName : [UIFont systemFontOfSize:18],
                                     NSForegroundColorAttributeName : [UIColor whiteColor],
                                     };

    [[UINavigationBar appearance] setTitleTextAttributes:textAttributes];