, Android 2.1 , Telephony , Networking , Ed Burnette One week after releasing the Android Nexus One phone to the public, Google has released the software development kit (SDK) that allows third-party developers to write applications for the phone. Android 2.1 has several new features including: Live Wallpapers Support for HTML5 video, geolocation, and web storage in WebViews New APIs for determining cellular signal strength New methods for Android views such as automatic view flippers and opaque views Support for a voice recognition audio source and camera-facing microphone New features that an app can optionally require before installing, including a multi-touch screen Version 2.1 is also referred to as Eclair Maintenance Release 1 (MR1), or API level 7 to programmers. In all, 2.1 has 118 API changes , which is approximately a 0.48% difference compared to the previous version. Availability Android 2.1 is c...