How to replace a Fragment in an ActionBar in mode NAVIGATION_MODE_TABS

In the post Tab Layout in Android with ActionBar and Fragment I wrote an example about tabs in an action bar where each label open a fragment that you can not change at runtime.
In this post I explain how to replace a fragment with an other using a button.


Buttons for a form in a Custom Control

There are standard buttons that are often added to a form that perform the basic functions (edit, save, close) that usually you put in a form.
The code in this post is a Custom Control that you can add to a XPage connected to a lotus form to place the buttons Edit, Save and Close.
In the XPage under the label “Data” configure “Data sources” to the form lotus and under the label “XPage” set the “Next Page” as follows: