2014/10/15 下午 10:13:40

iphone Programming Glossary: screenrect.size.width

http://stackoverflow.com/questions/1703100/resize-uiimage-with-aspect-ratio

rect do something like the following to decide what rect to draw the image in float hfactor value.bounds.size.width screenRect.size.width float vfactor value.bounds.size.height screenRect.size.height float factor fmax hfactor vfactor Divide the size by the greater.. factor Then figure out if you need to offset it to center vertically or horizontally float leftOffset screenRect.size.width newWidth 2 float topOffset screenRect.size.height newHeight 2 CGRect newRect CGRectMake leftOffset topOffset newWidth newHeight..

iOS Hiding tab bar in iOS 6 creates black bar (fix for iOS 6 breaks iOS 7!)

http://stackoverflow.com/questions/19006545/ios-hiding-tab-bar-in-ios-6-creates-black-bar-fix-for-ios-6-breaks-ios-7

if UIDeviceOrientationIsLandscape UIApplication sharedApplication .statusBarOrientation fHeight screenRect.size.width for UIView view in self.tabBarController.view.subviews if view isKindOfClass UITabBar class view setFrame CGRectMake view.frame.origin.x.. 49.0 if UIDeviceOrientationIsLandscape UIApplication sharedApplication .statusBarOrientation fHeight screenRect.size.width 49.0 UIView beginAnimations nil context NULL UIView setAnimationDuration 0.5 for UIView view in tabbarcontroller.view.subviews.. float height 0.0f if UIDeviceOrientationIsLandscape UIApplication sharedApplication .statusBarOrientation height screenRect.size.width else height screenRect.size.height if hidden height CGRectGetHeight self.tabBar.frame void ^workerBlock ^ self.tabBar.frame..

How can we change the font of tableview header?

http://stackoverflow.com/questions/6922808/how-can-we-change-the-font-of-tableview-header

0 CGRect screenRect UIScreen mainScreen applicationFrame UIView headerView UIView alloc initWithFrame CGRectMake 0 0 screenRect.size.width 44.0 headerView.contentMode UIViewContentModeScaleToFill Add the label UILabel headerLabel UILabel alloc initWithFrame CGRectMake..