Android app: switch page

Press button to change page:

The veiled Activity is your current activity, ex: ChairActivity, and it will switch from ChairActivity to testActivity.

At the most important point, you need to add description in the AndroidManifest.xml

Launch activity from different package

There two activity, mainActivity in applicationA package, NicknameActivity in applicationA.profile package.

 http://stackoverflow.com/questions/2741857/launch-activities-from-different-package
http://wangshifuola.blogspot.com/2010/11/androidactivity_18.html