title: Invite Facebook friends using google play game services invite callbacks
body: <p>I have made a RealTime and TurnBased Multiplayer Game(Android). Everything works good. I am using the</p>
  
  <pre><code>    getSelectOpponentIntent()
  </code></pre>
  
  <p>from the Google Play Game Services to invite/challenge the friends. That has been deprecated by Google since August 2016 but still I used it to get the list of opponents.</p>
  
  <p>The only problem using Google Play Game is, there are very limited number of users who have accounts on G+, as it fetches the friend list from G+ only. </p>
  
  <p>I have tried using the Facebook Game Services but unfortunately, currently they do not provide the Apis for Realtime Game Play(By real Time I mean synchronous playing). There are other third part providers like nextpeer.com (each having its own pros and cons) but I love the way Google Play Game Services Work(as it fulfils all my requirements). Sending/Receiving Invitations work in a perfect way.</p>
  
  <p>Now what I am thinking is, to Use Google Play services for gameplay and invitations while using Facebook friends or friends from my contact list.
   I mean instead of using </p>
  
  <pre><code>    getSelectOpponentIntent()
  </code></pre>
  
  <p>I want invitations/challenges to be sent in a following way. </p>
  
  <p>Step 1: Open my custom Activity in which I list all my Facebook friends or all my contacts.</p>
  
  <p>Step 2: Select the friends from the list.</p>
  
  <p>Step 3: save the selected friends in a Arraylist.</p>
  
  <p>Step 4: Pass on the list to Room Configuration Callback using Google Play Game Services like this.</p>
  
  <pre><code>    rtmConfigBuilder.addPlayersToInvite(invitees);
  </code></pre>
  
  <p>I have searched a lot on this issue but didn't get any proper help. I have also started the implementation on my own but not sure whether google play services will be able to handle the manual friend list or not. </p>
  
  <p>Any suggestions and help will be highly appreciated. </p>
  
  <p>Thanks</p>