Application development on Android is increasing day by day as it is an open development platform and offers the developers to build an extremely rich internet applications. Many new smart phones having Android as an Operating System are being launched in the market at very reasonable rates. Therefore everyday there are applications being developed on Android. So using Android to develop the new and innovative applications, developes are having the application framework provided by the Android. For development of Apps on Android what Developers need only is to
1) install the sdk for Android
2) install the Eclipse if you are using it as an ADT plug in.
3) add platforms and other components to Android SDK.