TouchView触摸事件

TouchView * // 继承自UIView

//初始化时

self.multipleTouchEnabled = YES;//开启多指触摸

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//取出一根手指
    UITouch * touch = [touches anyObject];

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//获得手指在视图上的位置
     CGPoint Point  = [touch locationInView:self];

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//取出多根手指时, 要开启多指触摸
     UITouch * firstTouch = [[touches allObjects] firstObject];//第一个手指
     UITouch * lastTouch = [[touches allObjects] lastObject];// 第二个手指

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// 重写父类方法的实现 ( 处理事件 )

- ( void )touchesBegan:( NSSet  *)touches withEvent:( UIEvent  *)event 

{ NSLog ( @"begin  开始 " ); }

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- ( void )touchesMoved:( NSSet  *)touches withEvent:( UIEvent  *)event

{  NSLog(@"move 移动");}

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- (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event
{NSLog(@"end 结束”);}

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- (void)touchesCancelled:(NSSet *)touches withEvent:(UIEvent *)event
{NSLog(@"cancel 取消”);}//来电话时触发

{