iOS dev (9) 创建一个空白的界面

iOS dev (9) 创建一个空白的界面

创建一个 Empty App

AppDelegate

#import <UIKit/UIKit.h>

@interface AppDelegate : UIResponder<UIApplicationDelegate>

@property (strong, nonatomic) UIWindow *window;

@end

创建空白界面

#import "AppDelegate.h"

@implementation AppDelegate

- (BOOL) application: (UIApplication *)application didFinishLaunchingWithOptions: (NSDictionary *)launchOptions
{
self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
self.window.backgroundColor = [UIColor redColor];
[self.window makeKeyAndVisible];
return YES;
}

@end