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    <p>This is my solution code !This method can add to NSObject class's Categroy , or you can define a Top custom UIViewController class , and let all of your other UIViewControllers to inherit it .</p> <pre><code>-(CGRect)currentScreenBoundsDependOnOrientation { CGRect screenBounds = [UIScreen mainScreen].bounds ; CGFloat width = CGRectGetWidth(screenBounds) ; CGFloat height = CGRectGetHeight(screenBounds) ; UIInterfaceOrientation interfaceOrientation = [UIApplication sharedApplication].statusBarOrientation; if(UIInterfaceOrientationIsPortrait(interfaceOrientation)){ screenBounds.size = CGSizeMake(width, height); }else if(UIInterfaceOrientationIsLandscape(interfaceOrientation)){ screenBounds.size = CGSizeMake(height, width); } return screenBounds ; } </code></pre> <p><strong>Note</strong>, after IOS8 , as <a href="https://developer.apple.com/library/ios/documentation/UIKit/Reference/UIScreen_Class/index.html#//apple_ref/occ/instp/UIScreen/bounds">Apple Document of UIScreen's bounds property</a> says : </p> <blockquote> <p><strong>Discussion</strong></p> <p>This rectangle is specified in the current coordinate space, which takes into account any interface rotations in effect for the device. Therefore, the value of this property may change when the device rotates between portrait and landscape orientations.</p> </blockquote> <p>so for the consideration of compatibility , we should detect the IOS version and make the change as below:</p> <pre><code>#define IsIOS8 (NSFoundationVersionNumber &gt; NSFoundationVersionNumber_iOS_7_1) -(CGRect)currentScreenBoundsDependOnOrientation { CGRect screenBounds = [UIScreen mainScreen].bounds ; if(IsIOS8){ return screenBounds ; } CGFloat width = CGRectGetWidth(screenBounds) ; CGFloat height = CGRectGetHeight(screenBounds) ; UIInterfaceOrientation interfaceOrientation = [UIApplication sharedApplication].statusBarOrientation; if(UIInterfaceOrientationIsPortrait(interfaceOrientation)){ screenBounds.size = CGSizeMake(width, height); }else if(UIInterfaceOrientationIsLandscape(interfaceOrientation)){ screenBounds.size = CGSizeMake(height, width); } return screenBounds ; } </code></pre>
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    1. POHow to get orientation-dependent height and width of the screen?
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    1. USmonjer
    1. USmonjer
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    1. COPretty much the same as my answer, only thing it misses is if it is in Portrait upside down. This only matters if you support that orientation tho.
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      1. USRobert Wagstaff
    2. CO@Monjer you should not name methods that do not perform a GET request, prefixed i with the word get. currentScreenBoundsDependOnOrientation is a better name for the method
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      1. UShakonbogen
    3. CO@Hakonbogen.yes may be you are right , because “peroperty” declaration automaticly generate setter/getter method , and this may lead to naming conflict , and go against objc's naming conventions.Thanks for your advice.
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