[android-developers] Virtual Keyboard - Action based on values entered

I have a virtual keyboard and EditText on the screen and want to do the following : 1) If the user hits Cancel, then go back to previous Activity' 2)If the user hits Enter, it reads the values entered in the EditText box and launches a new activity based on it. How do I do this ? Any suggestions

[android-developers] content provider supports transactions

Question about ContentProviders being atomic.The spec says " If the content provider supports transactions the update will be atomic". What does this mean ? Who implements the transaction code ? Is it in reference to the JDBC drivers? Thank u --~--~-~--~~~---~--~---