I have the following questions :
1. How to check of the context of a node is changed ?
2. I have an application with a tabstrip with 2 tabblads.
In the first tab i have a button : when i cklick to this button it fills the value of a textview with the tekst 'database update.'
My requirment is the following : when i go to the 2nd tab and back to the first tab i want t clear the tekst.
Hoe to do this ?