#import #import //#import @interface AppDelegate : NSObject @property (nonatomic, strong) UIWindow *window; @end @implementation AppDelegate - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { _window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]]; _window.rootViewController = [[UIViewController alloc] init]; _window.rootViewController.view.backgroundColor = [UIColor blueColor]; [_window makeKeyAndVisible]; return true; } @end int main(int argc, const char **argv) { //MTProto *mtProto = [[MTProto alloc] init]; @autoreleasepool { return UIApplicationMain(argc, argv, nil, @"AppDelegate1"); } }