1page.title=Connectivity 2page.landing=true 3page.landing.intro=Android provides rich APIs to let your app connect and interact with other devices over Bluetooth, NFC, Wi-Fi P2P, USB, and SIP, in addition to standard network connections. 4page.landing.image=images/develop/connectivity.png 5 6@jd:body 7 8<div class="landing-docs"> 9 10 <div> 11 <h3>Training</h3> 12 13 <a href="http://developer.android.com/training/efficient-downloads/index.html"> 14 <h4>Transferring Data Without Draining the Battery</h4> 15 <p>This class demonstrates the best practices for scheduling and executing downloads using 16techniques such as caching, polling, and prefetching. You will learn how the power-use profile of 17the wireless radio can affect your choices on when, what, and how to transfer data in order to 18minimize impact on battery life.</p> 19 </a> 20 21 <a href="http://developer.android.com/training/backup/index.html"> 22 <h4>Backing up App Data to the Cloud</h4> 23 <p> 24 This class covers techniques for backing up data to the cloud so that users can restore 25 their data when recovering from a data loss (such as a factory reset) or installing your 26 application on a new device. 27 </p> 28 </a> 29 30 </div> 31 32</div> 33