/**loadView加載,將系統的view變換成ScrollView*/

- (void)loadView{

? ???[super loadView];

? ? UIScrollView *mainScroll =? [[UIScrollView alloc] initWithFrame:[UIScreen mainScreen].applicationFrame];

? ? mainScroll.scrollEnabled = YES;

?? ?

? ? mainScroll.contentSize = CGSizeMake(0, VIEW_MAIN_SCREEN_HEIGHT + 40);

? ? mainScroll.userInteractionEnabled = YES;

? ? mainScroll.showsVerticalScrollIndicator = NO;

? ? mainScroll.multipleTouchEnabled = YES;

　mainScroll.delegate = self;

? ? self.view = mainScroll;

}

//然后在拖拽完成后,增加它的高度,以最后一個控件最大的Y值加上一定間隙,思路是判斷view上最下面的view是否大于scrollView的高度,如果大于讓滾動,并且scrollView的contentSize的height加上一定間隙

- (void)scrollViewDidScroll:(UIScrollView *)scrollView{

? ? CGFloat DeleteY = CGRectGetMaxY(self.OrderDeleteBtn.frame);

? ? if (DeleteY > scrollView.frame.size.height) {

? ? ? ? scrollView.scrollEnabled = YES;

? ? }else{

? ? ? ? scrollView.scrollEnabled = NO;

? ? }

}

- (void)scrollViewDidEndDragging:(UIScrollView *)scrollView willDecelerate:(BOOL)decelerate{

? ? CGFloat DeleteY = CGRectGetMaxY(self.OrderDeleteBtn.frame);

? ? if (DeleteY > scrollView.frame.size.height) {

?? ? ? ? scrollView.contentSize = CGSizeMake(Screen_size.width, CGRectGetMaxY(self.OrderDeleteBtn.frame)+10);

? ? }else{

? ? ? ? ? scrollView.contentSize = CGSizeMake(Screen_size.width,200);

? ? }

}

轉載于:https://www.cnblogs.com/TheYouth/p/4994162.html

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