三星为Note 7道歉会挽回现今颓势吗？
58到家的上门O2O独角戏还能唱多久？
一关于屏幕大小#pragmamark-屏幕宽高#defineSCREEN_BOUNDS([UIScreenmainScreen].bounds)#defineSCREEN_WIDTH([UIScreenmainScreen].bounds.size.width)#defineSCREEN_HEIGHT([UIScree...
建议生成UIColor的分类使用，如下：.h@interfaceUIColor(HSF_HexString)+(UIColor*)colorWithHexString:(NSString*)color;+(UIColor*)colorWithHexString:(NSString*)coloralpha:(CGFloa...
.h//颜色转换成图片+(UIImage*)imageFromColor:(UIColor*)color;.m//颜色转换成图片+(UIImage*)imageFromColor:(UIColor*)color{CGRectrect=CGRectMake(0.0f,0.0f,1.0f,1.0f);UIGraphicsB...
建议写成UIImage分类，如下：.h//变成圆形图片-(UIImage*)circleImage;.m//变成圆形图片-(UIImage*)circleImage{//NO代表透明UIGraphicsBeginImageContextWithOptions(self.size,NO,1);//获得上下文CGConte...
建议写成UIImage的分类，如下.h//保证图片拉伸不变形-(UIImage*)resizingImageState;.m//保证图片拉伸不变形-(UIImage*)resizingImageState{CGFloatimageW=self.size.width*0.5;CGFloatimageH=self.size...
.h//根据字符串生成指定大小的二维码+(UIImage*)createQRCodeImageWithMessage:(NSString*)messagesize:(CGFloat)size;.m#import<CoreImage/CoreImage.h>//用于生成二维码//根据字符串生成指定大小的二维码...
//内容紧凑-优先完全显示内容，且不多占像素。[self.leftLabelsetContentHuggingPriority:UILayoutPriorityDefaultHighforAxis:UILayoutConstraintAxisHorizontal];[self.rightLabelsetContentH...
建议写成UIView的分类，如下：.h-(UIViewController*)viewController; .m-(UIViewController*)viewController{UIResponder*responder=self.nextResponder;while(
