Android notify when phone book is updated(Content Observer)
android, contacts, contentobserver
Solution
Observer does not provide the information that which contact is added/update/deleted. To get to know this save the contacts in your own DB table and when observer send the change notification check it with system's Contacts.
Problem
I want to get a notification on my phone if there is any change in the contact database(add,delete).Right now i am using ContentObserver to get notified.Following is my code.Problem is that i able not able to know which contact is changed.Can anyone help??? ``` public class ContentObserverActivity extends Activity { Button registerbutton; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); registerbutton=(Button)findViewById(R.id.button1); registerbutton.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { getContentResolver() .registerContentObserver( ContactsContract.Contacts.CONTENT_URI, true, new MyCOntentObserver()); } }); } public class MyCOntentObserver extends ContentObserver{ public MyCOntentObserver() { super(null); } @Override public void onChange(boolean selfChange) { super.onChange(selfChange); Log.e("","~~~~~~"+selfChange); } @Override public boolean deliverSelfNotifications() { return true; } } } ``` Thanks in advance.