Gradient wait when iOS app starts

-(BOOL) Application: (UIApplication *) application didfinishlaunchingwithoptions: (nsdictionary *) launchOptions{    Self.window = [[UIWindow alloc] initwithframe:[[uiscreen mainscreen] bounds]];            [UIApplication Sharedapplication].statusbarhidden = YES;    Uiimageview *splashscreen = [[Uiimageview alloc] initWithFrame:self.window.bounds];    Splashscreen.image = [UIImage imagenamed:@ "program entry diagram. png"];        [Self.window Addsubview:splashscreen];        [UIView animatewithduration:5.0 animations:^{Catransform3d transform = catransform3dmakescale (0.5, 0.5, 1.0);        SplashScreen.layer.transform = transform;        Splashscreen.alpha = 0.8;    MyLog (@ "111");        } completion:^ (BOOL finished) {[SplashScreen Removefromsuperview];        MyLog (@ "222");        Self.window.rootViewController = [[Loginviewcontroller alloc]init];           Self.window.backgroundColor = [Uicolor Whitecolor];        }];        _netrequest = [[Netrequest alloc] init]; [Self.window MakekeyAndvisible]; return YES;}

Gradient wait when iOS app starts