[Description] According to the latest UX spec(https://drive.google.com/open?id=0BwbmH5cX2W6Od0EwMXpSWlFwcDQ), if user press left arrow key on the first card in folder should have no any function [Testing Steps] 1. Add a new folder with any card 2. Navigation to the first card in step 1's folder 3. Press left arrow key [Expected result] Should have no any function [Actual result] Will navigate to filter [Build Info] Environment: 2.6 Simulator gaia: https://github.com/mozilla-b2g/gaia/commit/4698bb1d24fac0db76f1f16f144cf0dae4bc3c23 gecko: https://github.com/mozilla-b2g/gecko-b2g/commit/ccf59a9dda868db58b5d943e2c4235ead89f9344

Comment on attachment 8752027 [details] [gaia] luke-chang:1270400_tv_prevent_folder_left_to_filter > mozilla-b2g:v2.6 Hi Rex, It's another simple patch. There are two commits because it's based on bug 1270399. Could you please take a look, too? Thanks.

Comment on attachment 8752027 [details] [gaia] luke-chang:1270400_tv_prevent_folder_left_to_filter > mozilla-b2g:v2.6 Looks good. thanks!

Oh, and by the way please modify your commit message. See my Github comment.

Thanks for the reminder. It has been updated. landed on v2.6: https://github.com/mozilla-b2g/gaia/commit/9a3ed0cb72e84628ca6c2c3e5b9fc4f419059268

verified and fixed with the latest build 2.6 simulator gaia: https://github.com/mozilla-b2g/gaia/commit/c5cceac45c13eab6a297074d55261610d8a0880f gecko: https://github.com/mozilla-b2g/gecko-b2g/commit/425aaa9763aef80ec1f7e78079e410ee1ccc9e32