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Oct 27

IOS reminds me of IE

Categories:

IOS Product Development, Midnight Ramblings, Tips, What I Just Learned

by codercowboy

Developing for IOS is exactly like developing for IE.

First, you knock the easy stuff out that *just works* simply without massive confusion. In browser land that means do your work in chrome or firefox first, whereas in IOS you basically do everything except auto-rotation first.

Then, for the last step, you spend as much time handling IE bugs or IOS auto rotation hell as you spent developing up to that point.

edit:

The trick in IOS 6+ seems to be something like this inside your view controller..

  1. – (NSUInteger)supportedInterfaceOrientations {
  2.     return UIInterfaceOrientationMaskAll;
  3. }
  4.  
  5. – (void)willRotateToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation duration:(NSTimeInterval)duration {
  6.     CGRect screenRect = [[UIScreen mainScreen] bounds];        
  7.     screenRect = CGRectMake(0, 0, screenRect.size.width, screenRect.size.height); //anchor to 0,0
  8.     if (UIInterfaceOrientationIsLandscape(toInterfaceOrientation)) {
  9.         //swap width & height
  10.         screenRect = CGRectMake(0, 0, screenRect.size.height, screenRect.size.width);
  11.     }
  12.     self.view.frame = screenRect;
  13.     self.view.bounds = screenRect;
  14. }

Don’t bother with trying to detect orientation during viewWillLayoutSubviews, you need to have saved the information of the upcoming orientation off by then, apparently..

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