How To Change Page On Android Application?

I'm a newbie of android. I already designed my application consists of many pages. Anyone have a source code or anything which can let me know how to build it. For example : When I

Solution 1:

Run through the First App Tutorial. This will help you get an idea of how to manage Activities in android, which I believe is similar to the "pages" you are talking about.

Solution 2:

You need to read up on how to develop for android. Start with the Hello World tutorial, then work through the other tutorials. Then read the Application Fundamentals.