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nestScrollView

nested tableView slide fluency 项目中需要用到UIScrollView嵌套UItableView嵌套交互问题,顺便网上搜了下的demo,地址

https://github.com/maxzhang123/nestScrollView

写的非常具有借鉴意义,容易理解,可扩展性强。

但是,发现作者的topView由于重写触摸方法,不能够放点击事件,本人在原作上修改,以适应项目需要,改后的topView可以放置按触发事件,在此记个笔记。

BackgroundView中添加滑动手势

  • (void)panGestureAction:(UIPanGestureRecognizer *)gesture { if (gesture.state == UIGestureRecognizerStateBegan) {

self.tableViewOfffset_y = self.firstTableView.contentOffset.y;

}else if (gesture.state == UIGestureRecognizerStateChanged) {

CGPoint translation = [gesture translationInView:self];

float y = self.tableViewOfffset_y -translation.y;

NSLog(@"%.2f",y);

if (y < 0) {

float offset = 35 - (kScreen_Width -y)(kScreen_Width -y)/kScreen_Width/kScreen_Width35; CGPoint point = CGPointMake(0, offset); [self.firstTableView setContentOffset:point]; [self.secondTableView setContentOffset:point];

}else{ CGPoint point = CGPointMake(0, y); [self.firstTableView setContentOffset:point]; [self.secondTableView setContentOffset:point];

}

}else if (gesture.state == UIGestureRecognizerStateEnded){

CGPoint translation = [gesture translationInView:self];

float y = self.tableViewOfffset_y -translation.y;

if (y < 0) {

y = 0; CGPoint point = CGPointMake(0, 0); [self.firstTableView setContentOffset:point animated:YES]; [self.secondTableView setContentOffset:point animated:YES]; }

NSLog(@"%.2f",y); } }

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