Cross Reference: /packages/apps/Gallery2/src/com/android/gallery3d/filtershow/category

`Name`	`Date`	`Size`
Up to higher level directory
`Action.java`	20-Sep-2013	`5.9K`
`CategoryAdapter.java`	20-Sep-2013	`5.9K`
`CategoryPanel.java`	20-Sep-2013	`3.6K`
`CategoryTrack.java`	20-Sep-2013	`1.7K`
`CategoryView.java`	20-Sep-2013	`4.7K`
`MainPanel.java`	20-Sep-2013	`8K`