Google officially released the Android 2.2 Mobile operating platform

Google released the Android 2.2 system named "Froyo" at the Google I/O conference on Thursday.
Google shows that the Android 2.2 System has added many new features, such as portable hotspot features, added support for Adobe Flash in the android browser, and improved the Android Market. Google said that in addition to many new enterprise features, Android 2.2 has improved its performance and speed, and added the V8 Java Script Engine to the android browser, in addition, many new APIs and services are added.

On Thursday, Google previewed the coming online version Android Market and updated content of the local music app. Users can access the music app through their Android phones.

Andy Rubin, vice president of Google engineering, said: "The growth of the Android ecosystem has exceeded our expectations. Now, 0.1 million people join the family of Android mobile users every day. More than 0.18 million active Android Developers have developed applications for the Android Market. They have developed more than 50 thousand applications. Froyo is a new step forward. It will make Android a better platform for developers, enterprises and consumers ."

Developers can now download Android 2.2sdk, Android ndk, and revision 4 from the android developer website. Google will provide froyo to OEMs and open-source communities in the coming weeks.

　　1. Speed improvement

When Google introduced Android 2.2, it put speed first. Google added just-in-time (JIT) in 2.2 to increase the running speed by 2-5 times. The number of Nexus One game frames running in 2.1 is 29, and 2.2 is 41.

　　2. Added enterprise functions

Android 2.2 has added more than 20 enterprise functions, including new employee exchange support and device administrator APIs. It seems that android has begun to pay attention to the enterprise market that Apple has already attached, and RIM's life is even worse.

　　3. Push messages and network sharing

The newly added cloud-to-device messaging API allows users to push various messages to Android phones. The demonstration of pushing navigation information to Nexus One was also conducted. In addition, 2.2 has been added to the rumored tethering (network sharing) service, and there has also been a painting of the iPad using the Android mobile phone tethering to access the Internet.

　　4. browser upgrade

Google said that Android 2.2's built-in browser is the world's fastest mobile device browser, improving JavaScript performance by 2-3 times. At the same time, the positioning function of Google Maps can also be used in the browser; the new browser API also has a camera. Finally, Google announced that the browser supports flash and air.

　　5. Improvement of the electronic market

In the software store market of Android 2.2, there have also been many improvements: for example, the long-awaited app2sd (implemented by moving the program into the SD card); automatic updates of installed applications; in addition, Google released a web-based software store, which allows users to conveniently browse and purchase applications and song albums from a desktop browser.

In addition, with the help of the simplify Media Service, users can easily transfer desktop computer songs to Android phones, and Android also has "ITunes.

　　Mobile advertisement service:

Finally, Google introduced the advertisement service on Android, AdSense for mobile apps-adfma, which is similar to Apple's IAD and pushes advertisements in different forms based on content relevance.

It can be seen that the improvement and improvement of Android 2.2 are still great, which facilitates the use of users. Of course, there are also some questions about "Learning" Apple iPhone. However, Flash is a function that Steve Jobs determined to have abandoned.

Download:Android2.2 SDK