bug: Uncaught TypeError: Cannot read property 'freeze'

[RangerRick]

Type: bug

Platform: all

I'm getting this error in my console:

Uncaught TypeError: Cannot read property 'freeze' of null http://localhost:8100/lib/ionic/js/ionic.bundle.js Line: 6982
    console.(anonymous function) (index):34
    window.onerror (index):18
    triggerEvent ionic.bundle.js:802
    releaseGesture ionic.bundle.js:2008
    detect ionic.bundle.js:1380
    bindDomOnTouch ionic.bundle.js:929

The relevant line is: self.isScrollFreeze = self.scrollView.freeze(false); inside _handleEndDrag.

[RangerRick]

Can you provide a detailed description of this issue?

It appears to happen when I toggle a button I have inside a modal with scroll="false"

How would a robot go about replicating this issue?

I have created a codepen that reproduces the error: http://codepen.io/RangerRick/full/azKozj

Steps to reproduce:

1. Open that codepen
2. Click the "Filter" button
3. Toggle one of the toggle buttons

On which platform does this happen occur? (iOS, Android, all, etc.)

All platforms, as far as I can tell. I see it in Chrome as well as the iOS emulator.

On which platform versions does this occur? (Android 4.2, iOS 8, all, etc.)

• Chrome 41.0.2272.64
• iOS 7 (emulated)
• iOS 8 (emulated)

Is this an issue with the Ionic Framework or Ionic CLI?

Ionic Framework.

[mhartington]

Okay, so we need to check if the user has disabled scrolling first before freezing anything. Thanks for catching that @RangerRick

/~https://github.com/driftyco/ionic/blob/51ed1824d5320ac788c9d27561338a61cbf844bc/js/angular/controller/scrollController.js#L163

[nantunes]

Shouldn't we do the same on _startDrag (/~https://github.com/driftyco/ionic/blob/811cc2725a8d87e9fd9c649e708e9145deec769a/js/views/listView.js#L567)?

[josdewitte]

This issue also occurs when swiping left for option buttons on the ion-list; And then the buttons do not auto-close anymore; resulting in multiple rows being swiped left due to this bug. Please fix?

[mhartington]

@nantunes and @josdewitte, could you open a new issue pointing to that PR and provide a codepen demo?

[EffEPi]

I am not sure if a new issue was open with what @josdewitte reported, but I am having the same issues and I cannot find a workaround...

[mhartington]

@EffEPi could you open a new issue please