how do i open contacts when i click a button defined in main.xml

Question

I am developing a gps tracking app in android. I am done with displaying the map n stuff. Now I want to make a button on top which when clicked would display the contacts, T

Answer 1

You should use startActivityForResult

Intent intent = new Intent(Intent.ACTION_PICK, ContactsContract.Contacts.CONTENT_URI);  
startActivityForResult(intent, 1); 

See "get contact info from android contact picker" for more information.