//1. UIControlEventTouchUpInside 点击进去(点后松手)
//2. UIControlEventTouchDown 单击(点就出)
//3. UIControlEventTouchDownRepeat 双击
//4. UIControlEventTouchDragInside 点一点,拽一拽(Button内)
//5. UIControlEventTouchDragOutside 点一点,拽一拽(Button外)
//6. UIControlEventTouchDragEnter 点住(拖出去,拖进来)
//7. UIControlEventTouchDragExit 点住(拖出去)
//8. UIControlEventTouchUpOutside 点击拉出Button
//9. UIControlEventTouchCancel 触发不了
//10. UIControlEventValueChanged UISlider
NSLog(@"开始摸了~~");
// UITouch 表示屏幕上的一根手指
UITouch *touch = [touches anyObject];
// 获取触摸屏幕的坐标
CGPoint startPoint = [touch locationInView:self];
// 打印坐标
NSLog(@"%@",NSStringFromCGPoint(startPoint));
}
②:- (void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event{
NSLog(@"正在摸~~");
self.backgroundColor = [UIColor colorWithRed:arc4random()%2/1.0 green:arc4random()%2/1.0 blue:arc4random()%2/1.0 alpha:1];
UITouch *touch = [touches anyObject];
CGPoint movePoint = [touch locationInView:self];
NSLog(@"%@",NSStringFromCGPoint(movePoint));
}
③:- (void)touchesCancelled:(NSSet *)touches withEvent:(UIEvent *)event{
NSLog(@"不摸了~~");
}
④:- (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event{
NSLog(@"摸完了~~");
响应者链:多个响应者组成的链
首先执行检测过程,信息先从UIApplication传到Appdelegate->UIWindow->Controler->UIView->View的子类(确认在那个试图上产生的事件)
响应过程:先从View的子类里面寻找有没有事件的实现方法,如果有,事件执行,响应链完成,如果没有就网上一层寻找,最后找到Application,如果没有找到就会被丢弃.
响应链可以使用userInteractionEnable的属性进行检测(阻断);
4.代码:
动画Tom猫关键代码
_image = [[UIImageView alloc] init];
_image.frame = CGRectMake(0, 0, 375, 670);
_image.image = [UIImage imageNamed:@"000"];
[self addSubview:_image];
_angry = [UIButton buttonWithType:UIButtonTypeSystem];
_angry.frame = CGRectMake(80, 215, 215, 110);
[_angry addTarget:self action:@selector(angryAction) forControlEvents:UIControlEventTouchUpInside];
[self addSubview:_angry];
_cymbal = [UIButton buttonWithType:UIButtonTypeSystem];
_cymbal.frame = CGRectMake(20, 400, 60, 60);
[_cymbal addTarget:self action:@selector(cymbalAction) forControlEvents:UIControlEventTouchUpInside];
[_cymbal setBackgroundImage:[UIImage imageNamed:@"cymbal.png"] forState:UIControlStateNormal];
[self addSubview:_cymbal];
- (void)tomAnimation:(NSString *)img count:(int)count
{
if ([self.image isAnimating]) return;
NSMutableArray *arrayM = [NSMutableArray array];
for (int i = 0; i < count; i++) {
NSString *imageName = [NSString stringWithFormat:@"%@_%02d.jpg", img, i];
NSString *path = [[NSBundle mainBundle] pathForResource:imageName ofType:nil];
UIImage *image = [UIImage imageWithContentsOfFile:path];
[arrayM addObject:image];
}
[self.image setAnimationImages:arrayM];
// 2. 设置动画时长
[self.image setAnimationDuration:arrayM.count * 0.075];
[self.image setAnimationRepeatCount:1];
// 3. 开始动画
[self.image startAnimating];
// 4. 动画完成之后，再清除动画数组内容
[self.image performSelector:@selector(setAnimationImages:) withObject:nil afterDelay:self.image.animationDuration];
}
- (void)angryAction
{
[self tomAnimation:@"angry" count:25];
}