950558 - [Cost Control] After toggle the checkbox of Mobile Usage, the app will crash

Status: RESOLVED DUPLICATE of bug 950589

(Firefox OS Graveyard :: Gaia::Cost Control, defect)

Description

[Askeing Yen[:askeing][:fyen]]

Attachment: VID_0008.3gp - Usage app crashed

### ENV
Buri pvt m-c build
Gaia      59b89715c92d0383fb3d09941db93af5dfd05bc8
Gecko     http://hg.mozilla.org/mozilla-central/rev/0fdbcbffc79e
BuildID   20131215040201
Version   29.0a1
ro.build.version.incremental=eng.archermind.20131114.105818
ro.build.date=Thu Nov 14 10:58:33 CST 2013

crash report: https://crash-stats.mozilla.com/report/index/d90c6896-5956-4ce1-ac1b-b14352131216

### STR
0. launch Usage app
1. go throw FTU
2. toggle Wifi usage and Mobile usage button.

### Expected
no carsh

### Actual
Usage app crached

Comment 1

[Askeing Yen[:askeing][:fyen]]

Attachment: logcat.log

Comment 2

[Jason Smith [:jsmith]]

Same stack as bug 950589.