networking in android

i had to develop a app in android for mobile blogging (to update a site by this app). How can i develop开发者_开发问答 this app..pls any one give a overview..

http://developer.android.com/index.html

Install the SDK, read the tutorials, get started. Then come back with specific questions once they pop up.

If your website supports XML-RPC (like Wordpress) you can build your own too (or use an existing one)

http://codex.wordpress.org/Weblog_Client