Android Froyo

Android Froyo

A version of the Android operating system
Android 2.2 home screen
Developer	Google
Initial release	May 20, 2010
Latest release	2.2.3 / November 21, 2011
Preceded by	Android 2.1 "Eclair"
Succeeded by	Android 2.3 "Gingerbread"
Official website	developer.android.com/about/versions/android-2.2-highlights.html
Support status
Discontinued

Android 2.2–2.2.3 "Froyo" is a discontinued version of the Android mobile operating system developed by Google, spanning versions between 2.2 and 2.2.3.^[1] It was unveiled on May 20, 2010, during the Google I/O 2010 conference.

One of the most prominent changes in the Froyo release was USB tethering and Wi-Fi hotspot functionality.^[2] Other changes include support for the Android Cloud to Device Messaging (C2DM) service, enabling push notifications, Additional application speed improvements, implemented through JIT compilation^[3] and displayed within applications as top-of-the-screen banners.

As of August 13, 2016, statistics issued by Google indicate that 0.1% of all Android devices accessing Google Play run Froyo.^[4]

Features

New features introduced by Froyo include the following:

• Speed, memory, and performance optimizations.^[5]
• Additional application speed improvements, implemented through JIT compilation^[3]
• 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.^[2]
• Option to disable data access over 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.^[6]
• The browser now shows all frames of animated GIFs instead of just the first frame only.
• Support for installing applications to the expandable memory.
• Adobe Flash support,^[7] later removed in 2.2.3
• Support for high-PPI displays (up to 320 ppi), such as four-inch 720p screens.^[8]
• Introduced .asec file extension.
• Gallery allows users to view picture stacks using a zoom gesture.
• Added JavaScript interrupter in the form of VB 4, later removed in 2.2.3

See also

• Android version history

References

1. Lead, Xavier Ducrohet, Android Sdk Tech (2010-05-20). "Android 2.2 and developers goodies. | Android Developers Blog". Android 2.2 and developers goodies. | Android Developers Blog. Retrieved 2015-12-04.
2. "Android 2.2 'Froyo' Features USB, Wi-Fi Tethering". WIRED. WIRED. Retrieved 2015-12-04.
3. "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 2015-12-04.
4. "Dashboards | Android Developers". developer.android.com. Retrieved 2016-08-13.
5. "EXCLUSIVE: Unofficially Confirmed Froyo Features, Post-Day-1 Of Google I/O [Google I/O Blitz Coverage, Day 1]". Android Police. Retrieved 2015-12-04.
6. "Issue 2519 - android - Browser should support file uploads (input type="file") - Android Open Source Project - Issue Tracker - Google Project Hosting". code.google.com. Retrieved 2015-12-04.
7. "Google's Andy Rubin on Everything Android". Bits Blog. Retrieved 2015-12-04.
8. "Supporting Multiple Screens | Android Developers". developer.android.com. Retrieved 2015-12-04.