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OFFICIAL: Google releases Android 2.2 aka Froyo
Posted by Arne Hess - on Thursday, 20.05.10 - 18:42:38 CET under 04 - Android News - Viewed 15705x
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Today, at its Google I/O conference, Google has officially announced Android 2.2, code-named Froyo with which Android introduces many new and exciting features for users and developers. While Android 2.2 is described as a minor platform release, it's including user features, developer features, API changes and bug fixes. And while it will take some time for handset manufactures to release Android 2.2 for their smartphones, for developers, the Android 2.2 platform is available as a downloadable component for the Android SDK from today! Android 2.2 highlights include new user features, new platform technologies, new developer services and new developer APIs.

New User Features

  • Home - New Home screen tips widget assists new users on how to configure the home screen with shortcuts and widgets and how to make use of multiple home screens.

    The Phone, applications Launcher, and Browser now have dedicated shortcuts on the Home screen, making it easy to access them from any of the 5 home screen panels.
  • Exchange support - Improved security with the addition of numeric pin or alpha-numeric password options to unlock device. Exchange administrators can enforce password policy across devices.
    • Remote wipe: Exchange administrators can remotely reset the device to factory defaults to secure data in case device is lost or stolen.
    • Exchange Calendars are now supported in the Calendar application.
    • Auto-discovery: you just need to know your user-name and password to easily set up and sync an Exchange account (available for Exchange 2007 and higher).
    • Global Address Lists look-up is now available in the Email application, enabling users to auto-complete recipient names from the directory.
  • Camera and Gallery - Gallery allows you to peek into picture stacks using a zoom gesture. Camera onscreen buttons provide easy access to a new UI for controling zoom, flash, white balance, geo-tagging, focus and exposure. Camcorder also provides an easy way to set video size/quality for MMS and YouTube.

    With the LED flash now enabled for the Camcorder, videos can be shot at night or in low light settings.
  • Portable hotspot - Certain devices like the Nexus One can be turned into a portable WiFi hotspot that can be shared with up to 8 devices.

    You can use your Android-powered phone as a 3G connection for a Windows or Linux laptop by connecting their phone to the computer with a USB cable. The connection is then shared between the two devices.
  • Multiple keyboard languages - Multi-lingual users can add multiple languages to the keyboard and switch between multiple Latin-based input languages by swiping across the space bar.

    This changes the keys as well as the auto-suggest dictionary.
  • Improved performance - Performance of the browser has been enhanced using the V8 engine, which enables faster loading of JavaScript-heavy pages.
    Dalvik Performance Boost: 2x-5x performance speedup for CPU-heavy code over Android 2.1 with Dalvik JIT.
    The graph bellow shows the performance speedup from Android 2.1 to Android 2.2 using various benchmark tests. For example, LinPack is now more than 5 times faster.

    Kernel Memory Management Boost: Improved memory reclaim by up to 20x, which results in faster app switching and smoother performance on memory-constrained devices.

New Platform Technologies

  • Media framework
    • New media framework (Stagefright) that supports local file playback and HTTP progressive streaming
    • Continued support for OpenCore in Android 2.2
  • Bluetooth
    • Voice dialing over Bluetooth
    • Ability to share contacts with other phones
    • Support for Bluetooth enabled car and desk docks
    • Improved compatibility matrix with car kits and headsets
  • 2.6.32 kernel upgrade
    • HIGHMEM support for RAM >256MB
    • SDIO scheduling and BT improvements

New Developer Services

  • Android Cloud to Device Messaging - Apps can utilize Android Cloud to Device Messaging to enable mobile alert, send to phone, and two-way push sync functionality.
  • Android Application Error Reports - New bug reporting feature for Android Market apps enables developers to receive crash and freeze reports from their users. The reports will be available when they log into their publisher account.

New Developer APIs

  • Apps on external storage - Applications can now request installation on the shared external storage (such as an SD card).
  • Media framework - Provides new APIs for audio focus, routing audio to SCO, and auto-scan of files to media database. Also provides APIs to let applications detect completion of sound loading and auto-pause and auto-resume audio playback.
  • Camera and Camcorder - New preview API doubles the frame rate from ~10FPS to ~20FPS. Camera now supports portrait orientation, zoom controls, access to exposure data, and a thumbnail utility. A new camcorder profile enables apps to determine device hardware capabilities.
  • Graphics - New APIs for OpenGL ES 2.0, working with YUV image format, and ETC1 for texture compression.
  • Data backup - Apps can participate in data backup and restore, to ensure that users maintain their data after performing a factory reset or when switching devices.
  • Device policy manager - New device policy management APIs allow developers to write "device administrator" applications that can control security features on the device, such as the minimum password strength, data wipe, and so on. Users can select the administrators that are enabled on their devices.
  • UI framework - New "car mode" and "night mode" controls and configurations allow applications to adjust their UI for these situations. A scale gesture detector API provides improved definition of multi-touch events. Applications can now customize the bottom strip of a TabWidget.

Yet, handset manufacturers or carriers haven't announced the availability of Android 2.2 devices or upgrades but developers can download the Android 2.2 platform as a downloadable component for the Android SDK from today.

Cheers ~ Arne

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