触摸和摇一摇

- (void)click:(UIButton *)button{    [self.myTextField becomeFirstResponder];    NSLog(@"测试点击方法是否执行");}//  摇一摇- (void)motionBegan:(UIEventSubtype)motion withEvent:(UIEvent *)event{    NSLog(@"摇一摇开始");    self.view.backgroundColor = [UIColor colorWithRed:arc4random() % 256 / 255.0 green:arc4random() % 256 / 255.0 blue:arc4random() % 256 / 255.0 alpha:1];}- (void)motionEnded:(UIEventSubtype)motion withEvent:(UIEvent *)event{    NSLog(@"摇一摇结束");}- (void)motionCancelled:(UIEventSubtype)motion withEvent:(UIEvent *)event{    NSLog(@"摇一摇被取消");}// 触摸- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event{    NSLog(@"触摸开始");    //    点击空白处回收键盘    [self.myTextField resignFirstResponder];}- (void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event{    NSLog(@"触摸移动");}- (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event{    NSLog(@"触摸结束");}- (void)touchesCancelled:(NSSet *)touches withEvent:(UIEvent *)event{    NSLog(@"触摸被取消");}