solve a problem that more than one point clicking on bottom bar,will
cause key event confusing.but this patch is NOT perfect.

Change-Id: I211421facfccb48b3bf454ac5c3311d0bfa24bb2
Signed-off-by: Sharl <amoiz.shine@gmail.com>
hide goodsList if the list is empty.

Change-Id: Id23cf6f1664f561de46d34cee86f415f3495d486
Signed-off-by: Sharl <amoiz.shine@gmail.com>
Merge branch 'master' into for_2_1