Swift 教程之笔记App01项目基础环境搭建

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步骤

1. 创建一个项目，名称为NotesiOSApp
2. 删除storyboard 修改info.plist
3. ViewController添加view.backgroundColor = .yellow
4. 修改ViewController名称FoldersController
5. 添加nav导航条
6. 添加导航条标题，并设置大标题

 UINavigationBar.appearance().prefersLargeTitles = true
        let navController = UINavigationController(rootViewController: FoldersController())
        window = UIWindow()
        window?.makeKeyAndVisible()
        window?.rootViewController = navController

  view.backgroundColor = .yellow
  navigationItem.title = "Folders"

运行效果

Jietu20190518-091822@2x.jpg