Bug 25168 - Xamarin.Forms HorizontalScrollBarEnabled not working on Android.
Summary: Xamarin.Forms HorizontalScrollBarEnabled not working on Android.
Status: RESOLVED ANSWERED
Alias: None
Product: Forms
Classification: Xamarin
Component: Forms ()
Version: 1.3.0
Hardware: PC Windows
: Normal normal
Target Milestone: ---
Assignee: Bugzilla
URL:
Depends on:
Blocks:
 
Reported: 2014-12-08 22:04 UTC by Jon Douglas [MSFT]
Modified: 2015-01-12 16:04 UTC (History)
4 users (show)

Tags:
Is this bug a regression?: ---
Last known good build:

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Status:
RESOLVED ANSWERED

Description Jon Douglas [MSFT] 2014-12-08 22:04:05 UTC
*Description
I am able to verify that the HorizontalScrollBarEnabled Property is never
called, get or set. Which means I am unable to hide a horizontal scrollbar
in a ScrollView. I am basically trying to implement a StackLayout with a
large number of image buttons where the user can swipe right or left. I
would like to hide the scrollbar, so it doesn't show up when the user is
swiping. However, I think there must be a bug in the ScrollViewRenderer as
this ignores the setting.

*Reproduction
https://www.dropbox.com/s/4yc164mf704347v/p7.zip?dl=0

*Xamarin Forms Version
1.3.0.6275-pre1

*Version Information
Microsoft Visual Studio Ultimate 2013
Version 12.0.31101.00 Update 4
Microsoft .NET Framework
Version 4.5.51641

Installed Version: Ultimate

Architecture and Modeling Tools   06181-004-0451031-02320
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Windows Phone SDK 8.0 - ENU   06181-004-0451031-02320
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ApiPortVS   1.0
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ASP.NET and Web Tools   12.4.51016.0
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AWS Toolkit for Visual Studio 2013   1.6.4.1
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Xamarin   3.8.150.0 (10cfd178d55287f09c85f5a1e604dfe20889a40f)
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Xamarin.Android   4.20.0.28 (ba9bbbdd44cfdc4bf485e8885bd2ad24fba525f7)
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Xamarin.iOS   8.4.0.0 (840a925103a0bf4a856507f13d5eaee3c1579c2f)
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*Further Details
I've then created a custom renderer to which I'd like to set the ScrollView.HorizontalScrollBarEnabled = false, however it doesn't seem to set the property correctly. In fact it already is false by default as per the android documentation:

http://developer.android.com/reference/android/view/View.html#setHorizontalScrollBarEnabled(boolean)
Comment 1 asimk 2015-01-07 12:07:58 UTC
I have checked this issue with the help of sample attached with Bug description and getting same behavior. I observed that when we swipe horizontally(left/right) horizontal scrollbar does not hide in ScrollView.

Screencast:
http://www.screencast.com/t/q1F6QLR2XH

Environment Info:
Microsoft Visual Studio Professional 2013
Version 12.0.31101.00 Update 4
Microsoft .NET Framework
Version 4.5.53344

Installed Version: Professional

Xamarin   3.9.236.0 (d6a2cae)
Visual Studio extension to enable development for Xamarin.iOS and Xamarin.Android.

Xamarin.Android   4.20.0.34 (49a04b966feb40dfdba49d57ba16249b66d606a6)
Visual Studio plugin to enable development for Xamarin.Android.

Xamarin.iOS   8.6.0.0 (eb24bdcf5cba2c12b673a07e0a8cce368b9563b3)
Visual Studio extension to enable development for Xamarin.iOS.

Xamarin.iOS Unified Migration   1.0
Automated migration for Xamarin iOS Classic projects to Unified
Comment 2 Jason Smith [MSFT] 2015-01-12 16:04:01 UTC
The horizontal scrollview in the android renderer is the child of the Renderer and not the Renderer itself. Setting this childs properties will do as you desire.