1page.title=Backing up App Data to the Cloud 2page.tags=cloud,sync,backup 3 4trainingnavtop=true 5startpage=true 6 7@jd:body 8 9<div id="tb-wrapper"> 10<div id="tb"> 11 12<h2>Dependencies and prerequisites</h2> 13<ul> 14 <li>Android 2.2 (API level 8) and higher</li> 15</ul> 16</div> 17</div> 18 19<p>Users often invest significant time and effort creating data and setting 20preferences within apps. Preserving that data for users if they replace a broken 21device or upgrade to a new one is an important part of ensuring a great user 22experience.</p> 23 24<p>This class covers techniques for backing up data to the cloud so that 25users can restore their data when recovering from a data loss (such as a factory 26reset) or installing your application on a new device.</p> 27 28<p>It is important to note that the API for cloud backup changed with the 29release of Android 6.0 (API level 23). For your app to support backup both 30on devices running Android 6.0, and those running Android 5.1 (API level 3122) and lower, you must implement both techniques that this class explains.</p> 32 33<h2>Lessons</h2> 34 35<dl> 36 <dt><strong><a href="autosyncapi.html">Configuring Auto Backup for Apps</a></strong></dt> 37 <dd>This lesson applies to Android 6.0 (API level 23) and higher. Learn how to accomplish 38 seamless app data backup and restore with zero additional lines of application code.</dd> 39</dl> 40 41<dl> 42 <dt><strong><a href="backupapi.html">Using the Backup API</a></strong></dt> 43 <dd>This lesson applies to Android 5.1 (API level 22) and lower. Learn how to integrate the Backup 44 API into your Android app, so all of that app's user data, such as preferences, notes, and high 45 scores, updates seamlessly across all devices linked to that Google account.</dd> 46</dl> 47 48