Modify ios status bar and navigation color

1. Add a field to info.plist: view controller -base status bar is set to NO

2、

UIView *statusBarView=[[UIViewalloc] initWithFrame:CGRectMake(0, 0, ScreenWidth, 20)];

    statusBarView.backgroundColor = color_31343f;;

    [self.viewaddSubview:statusBarView];

    [UIApplicationsharedApplication].statusBarStyle = UIStatusBarStyleLightContent;

 

    self.navBar.barTintColor = color_31343f;