Google has just released an update of their Android Open Mobile Platform SDK. Android is an open mobile platform that will be available for mobile phones soon and Google has released the software development kit under the Apache license. The SDK is available for the Linux, MacOS X (intel) and Windows operating systems.

You can download the new version M3-RC22a at the Google Android main site. If you have already installed the Android Development Plugin for Eclipse, you will also need to update it using the Eclipse plugin update tool.

Release notes for Version M3-RC22a:

Resolved Issues

907947

adb -version now returns a version number.

920067

The New Android Project wizard provided by ADT 0.3.1 now properly displays error messages when used with Eclipse 3.2 on Windows.

920045

The AndroidManifest.xml files generated by ADT 0.3.1 now include the XML element required for displaying the associated app in the “Applications” menu. If you have applications created with ADT 0.3.0, simply ensure that your AndroidManifest.xml file contains the following highlighted line:

...

    <intent-filter>

        <action android:value="android.intent.action.MAIN" />

        <category android:value="android.intent.category.LAUNCHER" />

    </intent-filter>

...

920098

ADT 0.3.1 is now compatible with Eclipse 3.4.

920282

Fixes a NullPointerException that is thrown in certain situations with the DDMS perspective in Eclipse.

918637

Address a keyboard lock-up issue when using adb on Mac OS X 10.4 and 10.5.

Known Issues

Unless otherwise noted, Known Issues from M3-RC20a also apply to M3-RC22