Android Froyo
Version of the Android operating system
Screenshot
Android 2.2.3 home screen
DeveloperGoogle
OS familyAndroid
General
availability		May 20, 2010 (2010-05-20)[1]
Final release2.2.3_r2.1[2] / November 21, 2011 (2011-11-21)
Kernel typeMonolithic (Linux)
Preceded byAndroid 2.0 "Eclair"
Succeeded byAndroid 2.3 "Gingerbread"
Official websitedeveloper.android.com/about/versions/android-2.2-highlights.html
Support status
Unsupported, Google Play Services support dropped since October 2014

Android Froyo is the sixth version of Android and is a codename of the Android mobile operating system developed by Google, spanning versions between 2.2 and 2.2.3.[3] Those versions are no longer supported.

Details

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.[4]

One of the most prominent changes in the Froyo release was USB tethering and Wi-Fi hotspot functionality.[5] Other changes include support for the Android Cloud to Device Messaging (C2DM) service, enabling push notifications, additional application speed improvements, implemented through JIT compilation[6] and displayed within applications as top-of-the-screen banners.

Features

2.2.0

New features introduced by Froyo include the following:

  • Speed, memory, and performance optimizations.[7]
  • Additional application speed improvements, implemented through JIT compilation.[6]
  • Integration of Chrome's V8 JavaScript engine into the Browser application.
  • Support for the Android Cloud to Device Messaging (C2DM) service, enabling push notifications.
  • Improved Microsoft Exchange support, including security policies, auto-discovery, GAL look-up, calendar synchronization and remote wipe.
  • Improved application launcher with shortcuts to Phone and Browser applications.
  • USB tethering and Wi-Fi hotspot functionality.[5]
  • Option to disable data access over a mobile network.
  • Updated Market application with batch and automatic update features.
  • Quick switching between multiple keyboard languages and their dictionaries.
  • Support for Bluetooth-enabled car and desk docks.
  • Support for numeric and alphanumeric passwords.
  • Support for file upload fields in the Browser application.[8]
  • The browser now shows all frames of animated GIFs instead of just the first frame.
  • Support for installing applications to the expandable memory.
  • Adobe Flash support.[9]
  • Support for high-PPI displays (up to 320 ppi), such as four-inch 720p screens.[10]
  • Introduced .asec file extension.
  • Gallery allows users to view picture stacks using a zoom gesture.

2.2.1

  • Bug fixes, security updates and performance improvements.

2.2.2

  • Minor bug fixes, including SMS routing issues that affected the Nexus One.

2.2.3

  • Two security updates.

See also

References

  1. ↑ "Android 2.2 and developers goodies".
  2. ↑ "Android Source". Google Git.
  3. ↑ 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. Retrieved December 4, 2015.{{cite web}}: CS1 maint: multiple names: authors list (link)
  4. ↑ 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. Retrieved August 2, 2021.
  5. 1 2 Sorrel, Charlie. "Android 2.2 'Froyo' Features USB, Wi-Fi Tethering". WIRED. WIRED. Retrieved December 4, 2015.
  6. 1 2 "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. Retrieved December 4, 2015.
  7. ↑ "EXCLUSIVE: Unofficially Confirmed Froyo Features, Post-Day-1 Of Google I/O [Google I/O Blitz Coverage, Day 1]". Android Police. May 20, 2010. Retrieved December 4, 2015.
  8. ↑ "Issue 2519 - android - Browser should support file uploads (input type="file") - Android Open Source Project - Issue Tracker - Google Project Hosting". code.google.com. Retrieved December 4, 2015.
  9. ↑ "Google's Andy Rubin on Everything Android". Bits Blog. April 27, 2010. Retrieved December 4, 2015.
  10. ↑ "Supporting Multiple Screens | Android Developers". developer.android.com. Retrieved December 4, 2015.
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