this my code but it return repeating number
Cursor c = getApplicationContext().getContentResolver()
.query(CallLog.Calls.CONTENT_URI, null, CallLog.Calls.TYPE+" = ? ",
new String[]{String.valueOf(CallLog.Calls.INCOMING_TYPE)},
CallLog.Calls.DATE + " DESC");
ListView numListView = (ListView) findViewById(R.id.list);
CallCursorAdapter adapter = new CallCursorAdapter(this, c);
numListView.setAdapter(adapter);