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| <p>Contains the backup and restore functionality available to |
| applications. If a user wipes the data on their device or upgrades to a new Android-powered |
| device, all applications that have enabled backup can restore the user's previous data when the |
| application is reinstalled.</p> |
| |
| <p>For more information, see the <a |
| href="{@docRoot}guide/topics/data/backup.html">Data Backup</a> guide.</p> |
| {@more} |
| |
| <p>All backup and restore operations are controlled by the {@link |
| android.app.backup.BackupManager}. Each application that would |
| like to enable backup and preserve its data on remote storage must implement a |
| backup agent. A backup agent can be built by extending either {@link android.app.backup.BackupAgent} |
| or {@link android.app.backup.BackupAgentHelper}. The {@link |
| android.app.backup.BackupAgentHelper} class provides a wrapper around {@link |
| android.app.backup.BackupAgent} that simplifies the procedures to implement a backup agent by |
| employing backup helpers such as {@link android.app.backup.SharedPreferencesBackupHelper} and |
| {@link android.app.backup.FileBackupHelper}.</p> |
| |
| <p>The backup APIs let applications:</p> |
| <ul> |
| <li>Perform backup of arbitrary data to remote storage</li> |
| <li>Easily perform backup of {@link android.content.SharedPreferences} and files</li> |
| <li>Restore the data saved to remote storage</li> |
| </ul> |
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