Cross Reference: /development/samples/training/basic/ActivityLifecycle/res/layout

`Name`	`Date`	`Size`
Up to higher level directory
`activity_a.xml`	22-Oct-2020	`4K`
`activity_b.xml`	22-Oct-2020	`4.1K`
`activity_c.xml`	22-Oct-2020	`3.7K`
`activity_dialog.xml`	22-Oct-2020	`1.4K`