You found a bug! We've classified it as TOUCH-4318 . We encourage you to continue the discussion and to find an acceptable workaround while we work on a permanent fix.
  1. #1
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    Default 2.2.1 - PullRefresh widget can get stuck if you scroll down after release

    2.2.1 - PullRefresh widget can get stuck if you scroll down after release


    The PullRefresh plugin sets a translate on its widget equal to the magnitude of the list's scroll position when onBounceTop is called, which is every time the scroll event fires with a y position less than or equal to 0. The translate isn't modified anywhere else and so the plugin relies on the scroller scrolling through y=0 to hide the widget.

    I haven't been able to reproduce this on the desktop, but on an iOS device a quick scroll down after activating the pull refresh can leave the widget stuck hanging over the list because the scroll event can skip past 0 if flicked.

    This patch prevents this by resetting the translation to 0 on any scroll event past y=0:
    Code:
    Ext.define('Jarvus.touch.patch.StickyPullRefresh', {
        override: 'Ext.plugin.PullRefresh',
    
        onScrollChange: function(scroller, x, y) {
            var me = this,
                tr = me.getTranslatable();
            
            me.callParent(arguments);
            
            // ensure pullrefresh widget is hidden when list gets scrolled
            if (y > 0 && tr.y > 0) {
                tr.translate(0, 0);
            }
        }
    });
    Chief Architect @ Jarv.us Innovations
    Co-captain @ Code for Philly
    Co-founder @ Devnuts - Philadelphia Hackerspace

  2. #2
    Sencha - Support Team
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    Default


    Thank you for sharing your solution. This is a known issue TOUCH-4318. I will pass your override on to Engineering.

  3. #3
    Sencha - Support Team
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    Default


    Just to make sure we are on the same page. This is image reflects the issue you are experiencing.
    Attached Images

  4. #4
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    Default


    That looks like it, but there could be other ways to cause it... usually in the case I described it gets stuck partially off the screen
    Chief Architect @ Jarv.us Innovations
    Co-captain @ Code for Philly
    Co-founder @ Devnuts - Philadelphia Hackerspace

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