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Android Froyo
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<h2 id="details">Details</h2> <p>It was unveiled on May 20, 2010, during the Google I/O 2010 conference. Google ceased sign-in support with a Google account for Android Froyo to Android Gingerbread on September 27, 2021.<a class="footnote-ref" id="fnref:2" href="#fn:2"><sup>2</sup></a> </p><p>One of the most prominent changes in the Froyo release was <a href="/facts/Tethering/ddHUJdgl">USB tethering</a> and <a href="/facts/Hotspot_(Wi-Fi)/shp4YUHc">Wi-Fi hotspot</a> functionality.<a class="footnote-ref" id="fnref:3" href="#fn:3"><sup>3</sup></a> Other changes include support for the <a href="/facts/Android_Cloud_to_Device_Messaging/CBPf6HdT">Android Cloud to Device Messaging</a> (C2DM) service, enabling push notifications, additional application speed improvements, implemented through JIT compilation<a class="footnote-ref" id="fnref:4" href="#fn:4"><sup>4</sup></a> and displayed within applications as top-of-the-screen banners. </p> <h2 id="features">Features</h2> <p class="note">See also: <a href="/facts/Android_version_history/YJ4PXAgS">Android version history § Android 2.2 Froyo</a></p> <h3>2.2.0</h3> <p>New features introduced by Froyo include the following: </p> <ul><li>Speed, memory, and performance optimizations.<a class="footnote-ref" id="fnref:5" href="#fn:5"><sup>5</sup></a></li> <li>Additional application speed improvements, implemented through JIT compilation.<a class="footnote-ref" id="fnref:6" href="#fn:6"><sup>6</sup></a></li> <li>Integration of <a href="/facts/Google_Chrome/4INfWq37">Chrome</a>'s <a href="/facts/V8_(JavaScript_engine)/0Fd3taMh">V8 JavaScript</a> engine into the Browser application.</li> <li>Support for the Android Cloud to Device Messaging (C2DM) service, enabling push notifications.</li> <li>Improved <a href="/facts/Microsoft_Exchange_Server/9pu8G4It">Microsoft Exchange</a> support, including security policies, auto-discovery, GAL look-up, calendar synchronization and remote wipe.</li> <li>Improved application launcher with shortcuts to Phone and Browser applications.</li> <li>USB tethering and Wi-Fi hotspot functionality.<a class="footnote-ref" id="fnref:7" href="#fn:7"><sup>7</sup></a></li> <li>Option to disable data access over a mobile network.</li> <li>Updated <a href="/facts/Google_Play/j3N4wv6g">Market</a> application with batch and automatic update features.</li> <li>Quick switching between multiple keyboard languages and their dictionaries.</li> <li>Support for <a href="/facts/Bluetooth/sWAjpMrj">Bluetooth</a>-enabled car and desk docks.</li> <li>Support for numeric and alphanumeric passwords.</li> <li>Support for file upload fields in the Browser application.<a class="footnote-ref" id="fnref:8" href="#fn:8"><sup>8</sup></a></li> <li>The browser now shows all frames of animated GIFs instead of just the first frame.</li> <li>Support for installing applications to the expandable memory.</li> <li><a href="/facts/Adobe_Flash/3Lrp9JuH">Adobe Flash</a> support.<a class="footnote-ref" id="fnref:9" href="#fn:9"><sup>9</sup></a></li> <li>Support for high-PPI displays (up to 320 ppi), such as four-inch 720p screens.<a class="footnote-ref" id="fnref:10" href="#fn:10"><sup>10</sup></a></li> <li>Introduced <a href="/facts/.asec/E2LECj5L">.asec</a> file extension.</li> <li>Gallery allows users to view picture stacks using a zoom gesture.</li></ul> <h3>2.2.1</h3> <ul><li>Bug fixes, security updates and performance improvements.</li></ul> <h3>2.2.2</h3> <ul><li>Minor bug fixes, including SMS routing issues that affected the <a href="/facts/Nexus_One/kCwXI44U">Nexus One</a>.</li></ul> <h3>2.2.3</h3> <ul><li>Two security updates.</li></ul> <h2 id="see-also">See also</h2> <ul><li><a href="/facts/Android_version_history/YJ4PXAgS">Android version history</a></li> <li><a href="/facts/IOS_4/kLchkK4Y">iOS 4</a></li> <li><a href="/facts/Mac_OS_X_Snow_Leopard/GGNogRTe">Mac OS X Snow Leopard</a></li> <li><a href="/facts/Windows_Mobile_6.5/TYtFdH42">Windows Mobile 6.5</a></li> <li><a href="/facts/Windows_7/tldLdbnX">Windows 7</a></li></ul> <h2 id="external-links">External links</h2> <ul><li> Media related to Android Froyo at Wikimedia Commons</li> <li><a href="https://developer.android.com/about/versions/android-2.2-highlights.html">Official website</a> </li></ul> <h2 id="references">References</h2> <ol> <li id="fn:1"><p>Lead, Xavier Ducrohet, Android Sdk Tech (May 20, 2010). "Android 2.2 and developers goodies. | Android Developers Blog". Android 2.2 and developers goodies. | Android Developers Blog. Archived from the original on May 12, 2012. Retrieved December 4, 2015.{{cite web}}: CS1 maint: multiple names: authors list (link) <a href="http://android-developers.blogspot.com/2010/05/android-22-and-developers-goodies.html" target="_blank">http://android-developers.blogspot.com/2010/05/android-22-and-developers-goodies.html</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li> <li id="fn:2"><p>Pollack, Zak (July 26, 2021). "Sign-in on Android devices running Android 2.3.7 or lower will not be allowed starting September 27". Google. Archived from the original on April 29, 2022. Retrieved August 2, 2021. <a href="https://support.google.com/android/thread/118703101/sign-in-on-android-devices-running-android-2-3-7-or-lower-will-not-be-allowed-starting-september-27?hl=en" target="_blank">https://support.google.com/android/thread/118703101/sign-in-on-android-devices-running-android-2-3-7-or-lower-will-not-be-allowed-starting-september-27?hl=en</a> <a href="#fnref:2" class="footnote-back-ref">↩</a></p></li> <li id="fn:3"><p>Sorrel, Charlie. "Android 2.2 'Froyo' Features USB, Wi-Fi Tethering". WIRED. WIRED. Archived from the original on November 6, 2012. Retrieved December 4, 2015. <a href="https://www.wired.com/gadgetlab/2010/05/android-22-froyo-features-usb-wi-fi-tethering/" target="_blank">https://www.wired.com/gadgetlab/2010/05/android-22-froyo-features-usb-wi-fi-tethering/</a> <a href="#fnref:3" class="footnote-back-ref">↩</a></p></li> <li id="fn:4"><p>"EXCLUSIVE: AndroidPolice.com's Nexus One Is Running Android 2.2 Froyo. How Fast Is It Compared To 2.1? Oh, Only About 450% Faster". Android Police. Archived from the original on August 1, 2012. Retrieved December 4, 2015. <a href="http://www.androidpolice.com/2010/05/11/exclusive-androidpolice-coms-nexus-one-is-running-android-2-2-froyo-how-fast-is-it-compared-to-2-1-oh-only-about-450-faster/" target="_blank">http://www.androidpolice.com/2010/05/11/exclusive-androidpolice-coms-nexus-one-is-running-android-2-2-froyo-how-fast-is-it-compared-to-2-1-oh-only-about-450-faster/</a> <a href="#fnref:4" class="footnote-back-ref">↩</a></p></li> <li id="fn:5"><p>"EXCLUSIVE: Unofficially Confirmed Froyo Features, Post-Day-1 Of Google I/O [Google I/O Blitz Coverage, Day 1]". Android Police. May 20, 2010. Archived from the original on May 1, 2012. Retrieved December 4, 2015. <a href="http://www.androidpolice.com/2010/05/20/exclusive-unofficially-confirmed-froyo-features-post-day-1-of-google-io-google-io-blitz-coverage-day-1/" target="_blank">http://www.androidpolice.com/2010/05/20/exclusive-unofficially-confirmed-froyo-features-post-day-1-of-google-io-google-io-blitz-coverage-day-1/</a> <a href="#fnref:5" class="footnote-back-ref">↩</a></p></li> <li id="fn:6"><p>"EXCLUSIVE: AndroidPolice.com's Nexus One Is Running Android 2.2 Froyo. How Fast Is It Compared To 2.1? Oh, Only About 450% Faster". Android Police. Archived from the original on August 1, 2012. Retrieved December 4, 2015. <a href="http://www.androidpolice.com/2010/05/11/exclusive-androidpolice-coms-nexus-one-is-running-android-2-2-froyo-how-fast-is-it-compared-to-2-1-oh-only-about-450-faster/" target="_blank">http://www.androidpolice.com/2010/05/11/exclusive-androidpolice-coms-nexus-one-is-running-android-2-2-froyo-how-fast-is-it-compared-to-2-1-oh-only-about-450-faster/</a> <a href="#fnref:6" class="footnote-back-ref">↩</a></p></li> <li id="fn:7"><p>Sorrel, Charlie. "Android 2.2 'Froyo' Features USB, Wi-Fi Tethering". WIRED. WIRED. Archived from the original on November 6, 2012. Retrieved December 4, 2015. <a href="https://www.wired.com/gadgetlab/2010/05/android-22-froyo-features-usb-wi-fi-tethering/" target="_blank">https://www.wired.com/gadgetlab/2010/05/android-22-froyo-features-usb-wi-fi-tethering/</a> <a href="#fnref:7" class="footnote-back-ref">↩</a></p></li> <li id="fn:8"><p>"Issue 2519 - android - Browser should support file uploads (input type="file") - Android Open Source Project - Issue Tracker - Google Project Hosting". code.google.com. Archived from the original on March 20, 2017. Retrieved December 4, 2015. <a href="https://code.google.com/p/android/issues/detail?id=2519#c112" target="_blank">https://code.google.com/p/android/issues/detail?id=2519#c112</a> <a href="#fnref:8" class="footnote-back-ref">↩</a></p></li> <li id="fn:9"><p>"Google's Andy Rubin on Everything Android". Bits Blog. April 27, 2010. Archived from the original on April 30, 2010. Retrieved December 4, 2015. <a href="https://bits.blogs.nytimes.com/2010/04/27/googles-andy-rubin-on-everything-android/" target="_blank">https://bits.blogs.nytimes.com/2010/04/27/googles-andy-rubin-on-everything-android/</a> <a href="#fnref:9" class="footnote-back-ref">↩</a></p></li> <li id="fn:10"><p>"Supporting Multiple Screens | Android Developers". developer.android.com. Archived from the original on January 28, 2013. Retrieved December 4, 2015. <a href="https://developer.android.com/guide/practices/screens_support.html#range" target="_blank">https://developer.android.com/guide/practices/screens_support.html#range</a> <a href="#fnref:10" class="footnote-back-ref">↩</a></p></li> </ol>