Cross Reference: /frameworks/base/docs/html/training/basics

`Name`	`Date`	`Size`
Up to higher level directory
`activity-lifecycle/`	24-Aug-2016
`data-storage/`	24-Aug-2016
`firstapp/`	24-Aug-2016
`fragments/`	24-Aug-2016
`intents/`	24-Aug-2016
`network-ops/`	24-Aug-2016
`supporting-devices/`	24-Aug-2016