Cross Reference: /frameworks/base/docs/html/training/backward-compatible-ui

`Name`	`Date`	`Size`
Up to higher level directory
`abstracting.jd`	23-Apr-2015	`6.1K`
`index.jd`	23-Apr-2015	`2.2K`
`new-implementation.jd`	23-Apr-2015	`4.8K`
`older-implementation.jd`	23-Apr-2015	`5.3K`
`using-component.jd`	23-Apr-2015	`5.8K`