创建项目:get create project 创建页面: get create page: XXXX 创建控制器: get create co...

layer.maskedCorners = [.layerMinXMinYCorner, .layerMinXMaxYCorner] layer...

- (void)prepareLayout { [super prepareLayout]; self.collectionView.d...

ifletattributes =self.collect_Var3_View.layoutAttributesForItem(at:Index...

func seek(to time: CMTime, toleranceBefore: CMTime, toleranceAfter: CMTime)

button.semanticContentAttribute = UISemanticContentAttributeForceRightTo...

build settings -> build options -> enalie bitcode No

if(@available(iOS11.0, *)) { self.scrpllView.contentInsetAdjustmentB...