最近写app,在一个部分想自定义一下NavigationBar:

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self.navigationBar = [[UINavigationBar alloc]
initWithFrame:CGRectMake(0.0, 0.0, width, 40.0)];
[self.navigationBar setBackgroundColor:[UIColor redColor]];

self.navigationBar.tintColor = [UIColor redColor];
[self.view addSubview:self.navigationBar];

UINavigationItem *navigationTitle = [[UINavigationItem alloc] initWithTitle:@"艺人指数排行榜"];
[self.navigationBar pushNavigationItem:navigationTitle animated:NO];

别忘记一个操作就是隐藏掉默认的navigationBar:

代码如下:

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[self.navigationController setNavigationBarHidden:YES];

这行代码可以加到didFinishLaunchingWithOptions中,也可以加到viewDidLoad