我們有時(shí)候會(huì)遇到當(dāng)兩個(gè)手勢（UIGestureRecognizer）放在不同view上，滑動(dòng)公共區(qū)域時(shí)，只能響應(yīng)上面view的手勢。
那怎么修改它們的響應(yīng)優(yōu)先級(jí)或者同時(shí)讓它們都響應(yīng)呢？

1.修改響應(yīng)優(yōu)先級(jí)

UIGestureRecognizer類中有兩個(gè)方法

//讓自身這個(gè)手勢事件響應(yīng)優(yōu)先級(jí)低于其它手勢事件
//只是在對(duì)于比它響應(yīng)優(yōu)先級(jí)低的手勢調(diào)用
- (BOOL)gestureRecognizer:(UIGestureRecognizer *)gestureRecognizer shouldBeRequiredToFailByGestureRecognizer:(UIGestureRecognizer *)otherGestureRecognizer  {
    return YES;
}

//讓自身這個(gè)手勢事件響應(yīng)優(yōu)先級(jí)高于其它手勢事件
//只是在對(duì)于比它響應(yīng)優(yōu)先級(jí)高的手勢調(diào)用
- (BOOL)gestureRecognizer:(UIGestureRecognizer *)gestureRecognizer shouldRequireFailureOfGestureRecognizer:(UIGestureRecognizer *)otherGestureRecognizer {
    return YES;
}

還有一種是直接對(duì)兩個(gè)手勢

    //讓gestureTwo響應(yīng)優(yōu)先級(jí)低于gestureOne
    [gestureTwo requireGestureRecognizerToFail:gestureOne];

2.同時(shí)響應(yīng)

//共存  A手勢或者B手勢 代理方法里shouldRecognizeSimultaneouslyWithGestureRecognizer   有一個(gè)是返回YES，就能共存
- (BOOL)gestureRecognizer:(UIGestureRecognizer *)gestureRecognizer shouldRecognizeSimultaneouslyWithGestureRecognizer:(UIGestureRecognizer *)otherGestureRecognizer {
    return YES;
}

最后時(shí)測試代碼IOSStudyTest