1015387 - [B2G][Homescreen]Transition of the last app(s) between groups behave unexpectedly on vertical homescreen

Status: RESOLVED DUPLICATE of bug 1014982

(Firefox OS Graveyard :: Gaia::Homescreen, defect)

Description

[Montoya Clemmons (MClemmons)]

User long presses App icon and slides icon from the initial group to another group. User repeats this procedure so that there are at least three groups, with at least one icon in each group. Intermittently, when user attempts to move a single icon remaining in a group to another group, the icon switches positions with the other group rather than move the icon to that new group independently. 

Repro Steps:
1) Update a Flame to BuildID: 20140523073020
2) Long press App icon and slide to another group (B) 
3) Repeat step 2 until there are at least three (A,B,C) groups with minimum one icon in each group 
4) Attempt move of last icon from one of those groups (i.e. C)  and move to another group with a single icon (i.e. A)

Actual:
Intermittently, the icon (C) replaces the icon (A) and icon A moves to where icon C once was situated.

Expected:
Icon C moves to same group as icon A each time. 

2.0 Environmental Variables:
Device: Flame 2.0 MOZ
BuildID: 20140523073020
Gaia: e83bd91c8f7c66f95d55cb741299e12bc8f7b429
Gecko: 681c5668d881
Version: 32.0a1
Firmware Version: v10G-2

Repro frequency: (3/10 30%)
See attached: Video clip = https://www.youtube.com/watch?v=3kId-Je8G3M

Comment 1

[Montoya Clemmons (MClemmons)]

Attachment: Logcat Last Icon of group transition intermittency problem

Comment 2

[Montoya Clemmons (MClemmons)]

This issue reproduces intermittently on Open C engineering following the STR from Comment 0. The repro rate was low 2/12 - 16.7%

2.0 Environmental Variables:
Device: Open_C 2.0
BuildID: 20140523073020
Gaia: e83bd91c8f7c66f95d55cb741299e12bc8f7b429
Gecko: 681c5668d881
Version: 32.0a1
Firmware Version: P821A10V1.0.0B06_LOG_DL

Comment 3

[Kevin Grandon :kgrandon]

What's actually happening here is that the divider is going away due to it finding another spot to drop the icon on. It's hard to tell, but if there is a solution for bug 1014982, this one will be solved as well.