如果设置垂直方向bounce。 about swipetableview HOT 14 CLOSED

        CGFloat minFrameOrginY = minFrameOrgin.y;
        CGFloat maxFrameOrginY = maxFrameOrgin.y;
        CGFloat constrainedOrignY = fmax(minFrameOrginY, fmin(newFrameOrginY, maxFrameOrginY));
        CGFloat rubberBandedRate  = rubberBandRate(newFrameOrginY - constrainedOrignY);

        frame.origin  = CGPointMake(frame.origin.x, frame.origin.y + translation.y * rubberBandedRate);
        self.newFrame = frame;

        [panGestureRecognizer setTranslation:CGPointMake(translation.x, 0) inView:self.superview];
    }
        break; `

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view, typically from a nib.

    // init swipetableview
    self.swipeTableView = [[SwipeTableView alloc]initWithFrame:self.view.bounds];
    _swipeTableView.autoresizingMask = UIViewAutoresizingFlexibleHeight | UIViewAutoresizingFlexibleWidth;
    _swipeTableView.delegate = self;
    _swipeTableView.dataSource = self;
    _swipeTableView.shouldAdjustContentSize = YES;
    _swipeTableView.swipeHeaderTopInset = 0;
    self.swipeTableView.swipeHeaderBar = self.segBar;
    self.swipeTableView.swipeHeaderView = self.headerView;
    [self.view addSubview:_swipeTableView];


    // Your max offset for drag
    _myMaxOffsetY = 64;

    // After set header, change the delegate to self.(must do this after set header)
    _headerView.delegate = self;

}

#pragma mark - 
- (CGPoint)minHeaderViewFrameOrgin {
#if !defined(ST_PULLTOREFRESH_HEADER_HEIGHT)
    CGFloat minOrginY = - ((_swipeTableView.currentItemView.contentSize.height + _headerView.frame.size.height + _segBar.frame.size.height) - _swipeTableView.currentItemView.bounds.size.height);
#else
    CGFloat minOrginY = - (_swipeTableView.currentItemView.contentSize.height - _swipeTableView.currentItemView.bounds.size.height);
#endif
    // 'fmin' is used to fix the case when contentSize is smaller than bounds
    minOrginY = fmin(minOrginY, _myMaxOffsetY);
    return CGPointMake(0, minOrginY);
}

- (CGPoint)maxHeaderViewFrameOrgin {
    // Change the y is your offset
    return CGPointMake(0, _myMaxOffsetY);
}

- (void)headerViewDidFrameChanged:(STHeaderView *)headerView {
    // First adjust frame of header
    CGRect frame  = self.headerView.frame;
    CGPoint maxFrameOrgin  = [self maxHeaderViewFrameOrgin];

    if (frame.origin.y > maxFrameOrgin.y) {
        frame.origin  = CGPointMake(frame.origin.x, maxFrameOrgin.y);

        // Reset frame
        _headerView.frame = frame;

        // Cancel dynamic animation
        [_headerView endDecelerating];
    }

    // Call method `headerViewDidFrameChanged:` of swipetableview to change item contentOffset
    [_swipeTableView performSelector:@selector(headerViewDidFrameChanged:) withObject:headerView];
}