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Editorial Team
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Asked: 2026-05-23T08:41:44+00:00

I have implemented the method willRotateToInterfaceOrientation , and my iPhone app nicely animates the

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I have implemented the method willRotateToInterfaceOrientation, and my iPhone app nicely animates the orientation movement when I switch between landscape and portrait.

My question is: is it possible to have a different type of animation? Are there other built in animations that I could use for that transition? Or could I tamper with it myself? Can anyone show me example of code to change the animation?

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1 Answer

  1. Editorial Team

    Absolutely it’s possible. Here’s a custom animation that I did to move several views around to different places:

    - (void)willRotateToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation 
                                duration:(NSTimeInterval)duration {
    [UIView beginAnimations:nil context:NULL]; {
        [UIView setAnimationCurve:UIViewAnimationCurveEaseInOut];
        [UIView setAnimationDuration:0.5];
        [UIView setAnimationDelegate:self];

        if (toInterfaceOrientation == UIInterfaceOrientationPortrait ||
            toInterfaceOrientation == UIInterfaceOrientationPortraitUpsideDown) {
            [myImage setCenter:CGPointMake(384.0,170.0)];
            [firstLabel setCenter:CGPointMake(235.0,358.0)];
            [secondLabel setCenter:CGPointMake(519.0,358.0)];
            [button0 setCenter:CGPointMake(164.0,508.0)];
            [button1 setCenter:CGPointMake(384.0,508.0)];
            [button2 setCenter:CGPointMake(604.0,508.0)];
            [button3 setCenter:CGPointMake(274.0,666.0)];
            [button4 setCenter:CGPointMake(494.0,666.0)];
            [button5 setCenter:CGPointMake(164.0,824.0)];
            [button6 setCenter:CGPointMake(384.0,824.0)];
            [button7 setCenter:CGPointMake(604.0,824.0)];
            [button8 setCenter:CGPointMake(164.0,954.0)];
            [button9 setCenter:CGPointMake(604.0,954.0)];       
        } else {
            [myImage setCenter:CGPointMake(350.0,173.0)];
            [firstLabel setCenter:CGPointMake(844.0,66.0)];
            [secondLabel setCenter:CGPointMake(844.0,114.0)];
            [button0 setCenter:CGPointMake(140.0,450.0)];
            [button1 setCenter:CGPointMake(388.0,450.0)];
            [button2 setCenter:CGPointMake(636.0,450.0)];
            [button3 setCenter:CGPointMake(884.0,450.0)];
            [button4 setCenter:CGPointMake(140.0,638.0)];
            [button5 setCenter:CGPointMake(388.0,638.0)];
            [button6 setCenter:CGPointMake(636.0,638.0)];
            [button7 setCenter:CGPointMake(884.0,638.0)];
            [button8 setCenter:CGPointMake(844.0,190.0)];
            [button9 setCenter:CGPointMake(844.0,280.0)];       
        }   
    } [UIView commitAnimations];            
}

    This worked great as each image flies across the screen to land in a new spot. You can use something like this to create all kinds of effects.

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