杂——乱七八糟

每次使用Single View Application模板创建工程之后，总是会有一个Main.storyboard文件，那么，当我们使用代码布局的时候，很显然是不需要它的。那么，如何完整移除它呢？

1. 移除Main.storyboard文件

2. 移除LaunchScreen.storyboard

3. 在TARGETS中，将Main InInterface选项中的值清空

4. AppDelegate.m 替换以下函数，并 #import "ViewController.h"

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
    // Override point for customization after application launch.
    self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];

    ViewController *viewController = [[ViewController alloc] init];
    self.window.rootViewController = viewController;

    self.window.backgroundColor = [UIColor whiteColor];
    [self.window makeKeyAndVisible];

    return YES;
}

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