Cross Reference: /developers/build/prebuilts/gradle/CustomNotifications/Application/src/main/res/layout

`Name`	`Date`	`Size`
Up to higher level directory
`activity_main.xml`	05-Aug-2015	`1.5K`
`notification.xml`	05-Aug-2015	`1.4K`
`notification_expanded.xml`	05-Aug-2015	`2K`
`sample_main.xml`	05-Aug-2015	`1.7K`