CODEWITHSUNDEEP
iphonexcodeiosxcode4
ikerib
ikerib

Reputation: 801

iPhone How to set up a view Upside Down mode

We developed an app in Portrait mode, without acelerometer support.

We need, for usability, to turn 180º de app, so we need the app on Upside Down mode. We check in xib properties, if we found something magical to achive that...no way

any, clue? any help?

thanks in adavance

Upvotes: 0

Views: 3378

Answers (2)

Sylverb
Sylverb

Reputation: 939

As stated by Steven Kramer, define this in your view controller :

-(BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation {
if (toInterfaceOrientation == UIInterfaceOrientationPortrait)
    return YES to allow it or NO to forbid it
if (toInterfaceOrientation == UIInterfaceOrientationPortraitUpsideDown)
    return YES to allow it or NO to forbid it
if (toInterfaceOrientation == UIInterfaceOrientationLandscapeLeft)
    return YES to allow it or NO to forbid it
if (toInterfaceOrientation == UIInterfaceOrientationLandscapeRight)
    return YES to allow it or NO to forbid it
return NO; // Unknown value
}

If you only want to accept landscape mode for example, use

-(BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation {
    return UIInterfaceOrientationIsLandscape(toInterfaceOrientation);
}

For portrait only, use return UIInterfaceOrientationIsPortrait(toInterfaceOrientation);

Upvotes: 5

Steven Kramer
Steven Kramer

Reputation: 8513

Your view controller needs to override -[UIViewController (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation] and return YES for upside down portrait orientation.

Can't be done in IB.

Upvotes: 2

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