Android SDK recommended and available packages.

Android SDK recommended and available packages.

There are many packages available in Android some are recommended and some are useful for specific purposes.

Recommended packages.

1. SDK Tools- it is a downloaded components of Android SDK which includes a complete set of development and debugging tools for the Android SDK.
2. SDK Platform Tools- it contain the platform dependent tools for developing and debugging the application and it support the latest features of the android application.
3. SDK Platform- for each version of Android one Android SDK Platform is available. It includes anandroid.jar file with a fully compliant Android Library
4. System Image- every platform version gives one or more different system images required by Android emulators.It helps to test the app on latest version of Android in Virtual machine.
5. Android Support- it is a static library which contain version of the fragments classes and viewpager  API allows  to build a side-swipeable UI. These API's are not available in standard API's.
6. SDK Samples- a collection of sample application which demonstrate variety of platform API's.

Other available packages

1. Documentation- an offline documentation of  Android latest platform API's.
2. Sources for Android SDK- copy of platform source code useful for debugging your app through source code.
3. Google API's- an add-on provide both a platform to develop an app using special Google API's and a system images for emulator to test app using Google API's.
4. Google play billing-provides static library and samples helps in integrating billing services in app with Google play
5. Google play licensing-provides static libraries and samples to perform license verification of app when distributing app with Google play.