Android Application(Client) and Server(C#.Net) Communication
<p>I am new to android i am confuse which approach to choose-Poll(which waste battery),GCM or any other approach which suits Best.</p>

<p>Scenario is: my client is <strong>Android</strong> and server is <strong>C#.Net</strong>.Server sends Invitation to Client.server can choose whom to send(Regionwise,Particular,To All). Client can accept or reject the invitation.which sends result back to server.</p>
