ios - UIAutoresizingMasks works wrong in iPad ECSlidingViewController -

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i have container view ecslidingviewcontroller. every item in container navigationviewcontroller --> uiviewcontroller

for example in 1 child view controller have uitableview uicollectionview in 1 static cell.

i try implement version ipad supports changing orientation of screen, enabled authoresizing masks fill cell uicollectionview - , had crazy issue - frame of cells - width big. example table view frame {{0, 0}, {1024, 768}} uicollectionview in static cell frame {{0, 0}, {1792, 1301}}. how can solve issue?

so, i'm invalidating collectionview layout in willrotatetointerfaceorientation:duration: sizeforitematindexpath: called again. 

- (cgsize)collectionview:(uicollectionview *)collectionview                   layout:(uicollectionviewlayout *)collectionviewlayout   sizeforitematindexpath:(nsindexpath *)indexpath {     return cgsizemake(self.collectionview.frame.size.width, self.collectionview..frame.size.height); }   - (void)willrotatetointerfaceorientation:(uiinterfaceorientation)tointerfaceorientation                                 duration:(nstimeinterval)duration {     // suppress layout errors invalidating layout     [self.collectionview.collectionviewlayout invalidatelayout];     }

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