Merge "Add Backup/Restore sample to the SDK docs" into froyo

Author: Christopher Tate

build/sdk.atree

@@ -91,6 +91,7 @@ development/samples/Home                     samples/${PLATFORM_NAME}/Home
 development/samples/LunarLander              samples/${PLATFORM_NAME}/LunarLander
 development/samples/NotePad                  samples/${PLATFORM_NAME}/NotePad
 development/samples/ApiDemos                 samples/${PLATFORM_NAME}/ApiDemos
+development/samples/BackupRestore            samples/${PLATFORM_NAME}/BackupRestore
 development/samples/SampleSyncAdapter        samples/${PLATFORM_NAME}/SampleSyncAdapter
 development/samples/SkeletonApp              samples/${PLATFORM_NAME}/SkeletonApp
 development/samples/Snake                    samples/${PLATFORM_NAME}/Snake

samples/BackupRestore/_index.html

@@ -0,0 +1,5 @@
+<p>The Backup/Restore application illustrates a few different approaches that an
+application developer can take when integrating with the Android Backup Manager
+using the <code><a
+href="../../../reference/android/app/backup/BackupAgent.html">BackupAgent</a></code> API
+introduced in Android 2.2.</p>