contact list

 Button button =(Button)findViewById(R.id.pickcontact);

    button.setOnClickListener(newOnClickListener(){@Overridepublicvoid onClick(View v){Intent intent =newIntent(Intent.ACTION_PICK,ContactsContract.Contacts.CONTENT_URI);
                 startActivityForResult(intent, PICK_CONTACT);}});@Overridepublicvoid onActivityResult(int reqCode,int resultCode,Intent data){super.onActivityResult(reqCode, resultCode, data);switch(reqCode){case(PICK_CONTACT):if(resultCode ==Activity.RESULT_OK){Uri contactData = data.getData();Cursor c = managedQuery(contactData,null,null,null,null);if(c.moveToFirst()){String id = c.getString(c.getColumnIndexOrThrow(ContactsContract.Contacts._ID));String hasPhone =
          c.getString(c.getColumnIndex(ContactsContract.Contacts.HAS_PHONE_NUMBER));if(hasPhone.equalsIgnoreCase("1")){Cursor phones = getContentResolver().query(ContactsContract.CommonDataKinds.Phone.CONTENT_URI,null,ContactsContract.CommonDataKinds.Phone.CONTACT_ID +" = "+ id,null,null);
            phones.moveToFirst();String cNumber = phones.getString(phones.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER));// Toast.makeText(getApplicationContext(), cNumber, Toast.LENGTH_SHORT).show();
            setCn(cNumber);}}}}}