导航栏设置 NavigationController 主题/背景

//导航栏的主题 “填写信息”
self.title = @"填写信息";
//导航栏背景色
[self.navigationController.navigationBar setBarTintColor:[UIColor colorWithRed:0.1648 green:0.6011 blue:1.0 alpha:1.0]];

状态栏(UIStatusBar)的颜色，你值得一看、收藏
http://my.oschina.net/shede333/blog/304560

//状态栏背景色
CGFloat WIDTH = [[UIApplication sharedApplication]statusBarFrame].size.width;

CGFloat HEIGHT = [[UIApplication sharedApplication]statusBarFrame].size.height;

UIView *statusBarView=[[UIView alloc]initWithFrame:CGRectMake(0,-20, WIDTH, HEIGHT)];

statusBarView.backgroundColor=[UIColor blackColor];

[self.navigationController.navigationBar addSubview:statusBarView];