2014/10/15 下午 10:13:40

iphone Programming Glossary: screenrect.size.height

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

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 of the vertical or horizontal shrinkage factor float newWidth.. 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 If you don't want to enlarge images smaller..

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

UIScreen mainScreen bounds UIView beginAnimations nil context NULL UIView setAnimationDuration 0.5 float fHeight screenRect.size.height if UIDeviceOrientationIsLandscape UIApplication sharedApplication .statusBarOrientation fHeight screenRect.size.width for.. void showTabBar UITabBarController tabbarcontroller CGRect screenRect UIScreen mainScreen bounds float fHeight screenRect.size.height 49.0 if UIDeviceOrientationIsLandscape UIApplication sharedApplication .statusBarOrientation fHeight screenRect.size.width.. UIApplication sharedApplication .statusBarOrientation height screenRect.size.width else height screenRect.size.height if hidden height CGRectGetHeight self.tabBar.frame void ^workerBlock ^ self.tabBar.frame CGRectMake CGRectGetMinX self.tabBar.frame..

Bottom pop-up UIPicker?

http://stackoverflow.com/questions/3441651/bottom-pop-up-uipicker

CGSize pickerSize self.datePickerView sizeThatFits CGSizeZero CGRect startRect CGRectMake 0.0 screenRect.origin.y screenRect.size.height pickerSize.width pickerSize.height CGRect pickerRect CGRectMake 0.0 screenRect.origin.y screenRect.size.height pickerSize.height.. screenRect.size.height pickerSize.width pickerSize.height CGRect pickerRect CGRectMake 0.0 screenRect.origin.y screenRect.size.height pickerSize.height pickerSize.width pickerSize.height self.datePickerView.frame pickerRect self.backgroundColor UIColorMakeRGBA..

Fixed labels in the selection bar of a UIPickerView

http://stackoverflow.com/questions/367471/fixed-labels-in-the-selection-bar-of-a-uipickerview

CGSizeZero CGRect screenRect UIScreen mainScreen applicationFrame #define toolbarHeight 40.0 CGFloat pickerTop screenRect.size.height toolbarHeight pickerSize.height CGRect pickerRect CGRectMake 0.0 pickerTop pickerSize.width pickerSize.height pickerView.frame..

iPhone: Adding a Done button within a pop up DatePicker frame

http://stackoverflow.com/questions/6231587/iphone-adding-a-done-button-within-a-pop-up-datepicker-frame

CGSizeZero NSLog @ pickerSize @ NSStringFromCGSize pickerSize CGRect startRect CGRectMake 0.0 screenRect.origin.y screenRect.size.height pickerSize.width pickerSize.height self.pickerView.frame startRect NSLog @ pickerView.frame @ NSStringFromCGRect startRect.. @ NSStringFromCGRect startRect compute the end frame CGRect pickerRect CGRectMake 0.0 screenRect.origin.y screenRect.size.height pickerSize.height pickerSize.width pickerSize.height 10 NSLog @ pickerRect @ NSStringFromCGRect pickerRect start the..