How to make activity to appear in Dialog style

If you want activity to upear like picture below
 
You need to modifiy  activity definition inside  AndroidManifest as  following  :

<activity android:name=".ItemEdit" android:theme="@android:style/Theme.Dialog"></activity>

As you can see - the 'Edit Item' screen is ready now. you can modify here the name of item and quantity.

Notepad Sample application-used inspiration for me

I have learned a lot from exploring Notepad Sample application from SDK samples . If you want to import it to your local namespace in Eclipse you only need:

in dialog that opens you have to select 'from exisitng sample':

choose tagret system and in the next dialog-many samples you can import and play with: