Just use a easy way to write the UIView frame.
##Installation Use the CocoaPods.
In your Podfile
pod 'IDCViewFrame', '~> 1.1.0'
Suggest put the header file to PCH file inside.
#import <IDCViewFrame/UIView+Frame.h>
| property | relationship | type |
|---|---|---|
| x | frame.origin.x | CGFloat |
| y | frame.origin.y | CGFloat |
| width | frame.size.width | CGFloat |
| height | frame.size.height | CGFloat |
| size | frame.size | CGSize |
| origin | frame.origin | CGPoint |
| left | left | CGFloat |
| top | top | CGFloat |
| right | right | CGFloat |
| bottom | bottom | CGFloat |
| centerX | center.x | CGFloat |
| centerY | center.y | CGFloat |