手机网站开发框架,长沙网站 建设推广世云网络,湖南网站设计制作,2个wordpressUIView之常用方法 将一个视图添加为子视图#xff0c;并使之在最上面显示 -(void)addSubView:(UIView *)view;将指定子视图移动到顶部 -(void)bringSubViewToFront:(UIView *)view;将指定之视图放到最下面 -(void)sendSubViewToBack:(UIView *)view;将指定视图添加到subviews数… UIView之常用方法 将一个视图添加为子视图并使之在最上面显示 -(void)addSubView:(UIView *)view;将指定子视图移动到顶部 -(void)bringSubViewToFront:(UIView *)view;将指定之视图放到最下面 -(void)sendSubViewToBack:(UIView *)view;将指定视图添加到subviews数组的index位置 -(void)insertSubview:(UIView *)view atIndex:(NSInteger)index;将指定视图添加到指定子视图下面 -(void)insertSubview:(UIView *)view belowSubview:(UIView *)siblingSubview;将指定视图添加到指定子视图上面 -(void)insertSubview:(UIView *)view aboveSubview:(UIView *)siblingSubview;交换subviews数组中两个位置的子视图 -(void)exchangeSubviewAtIndex:(NSInteger)index1 withSubviewAtIndex:(NSInteger)index2;从父视图中移除 -(void)removeFromSuperview;根据tag值获取对应的子孙控件 -(UIView *)viewWithTag:(NSInteger)tag;将视图中点从自己的坐标系转换到指定的视图坐标系中 -(CGPoint)convertPoint:(CGPoint)point toView:(UIView *)view;将指定视图中坐标系内的某点转换到自己的坐标系中 -(CGPoint)convertPoint:(CGPoint)point fromView:(UIView *)view;将视图中矩形区域从自己的坐标系转换到指定的视图坐标系中 -(CGRect)convertRect:(CGRect)rect toView:(UIView *)view;将指定视图中坐标系内的矩形区域转换到自己的坐标系中 -(CGRect)convertRect:(CGRect)rect fromView:(UIView *)view;刷新视图,调用后自动调用drawRect:(CGRect)rect -(void)setNeedsDisplay; 继承自UIResponder用于响应触摸事件的方法 1.- (void)touchesBegan:(NSSetUITouch * *)touches withEvent:(nullable UIEvent *)event;2.- (void)touchesMoved:(NSSetUITouch * *)touches withEvent:(nullable UIEvent *)event;3.- (void)touchesEnded:(NSSetUITouch * *)touches withEvent:(nullable UIEvent *)event;4.- (void)touchesCancelled:(nullable NSSetUITouch * *)touches withEvent:(nullable UIEvent *)event; 以上方法需要自定义view重写若需要对触摸点到判断使用那么重写方法时在方法体内首先获取触摸点 1.UITouch *touch [touches anyObject];2.CGPoint point [touch locationInView:self]; 动画 1.// 首先需要设置动画头告诉编译器下面是动画2.[UIView beginAnimations:nil context:nil];3.// 再设置动画执行的配置、动画4.[UIView setAnimationDuration:0.5];5.[UIView setAnimationRepeatCount:2];6.[UIView setAnimationDelay:3.0];7.// balabala需要执行的动画8. ................9.// 最后提交动画10.[UIView commitAnimations]; 使用block设置动画 方法一 (void)animateWithDuration:(NSTimeInterval)duration animations:(void (^)(void))animations;方法二 (void)animateWithDuration:(NSTimeInterval)duration animations:(void (^)(void))animations completion:(void (^ __nullable)(BOOL finished))completion方法三 (void)animateWithDuration:(NSTimeInterval)duration delay:(NSTimeInterval)delay options:(UIViewAnimationOptions)options animations:(void (^)(void))animations completion:(void (^ __nullable)(BOOL finished))completion 转载于:https://www.cnblogs.com/buakaw/p/5069287.html
