gadget.xml

<?xml version="1.0" encoding="UTF-8"?>

<Module>
  <ModulePrefs title="Hello, world!">
    <Require feature="opensocial-0.8" />
  </ModulePrefs>
  <Content type="html">
<![CDATA[
<div>Token: <input type="text" id="token" /></div>
<div>Token: <input type="text" id="player" /></div>
<div>Token: <input type="text" id="connect" /></div>

<script type="text/javascript">

function makeReq() {
    console.log('makeReq');
    var url = 'http://environment.eba-erucyhyr.ap-northeast-1.elasticbeanstalk.com/oauth/signIn/mixi';
    var params = {};
    params[gadgets.io.RequestParameters.METHOD] = gadgets.io.MethodType.POST;
    params[gadgets.io.RequestParameters.POST_DATA] = gadgets.io.encodeValues({num: 123456789});
    params[gadgets.io.RequestParameters.CONTENT_TYPE] = gadgets.io.ContentType.JSON;
    params[gadgets.io.RequestParameters.AUTHORIZATION] = gadgets.io.AuthorizationType.SIGNED;
    gadgets.io.makeRequest(url, function(response) {
        console.log('makeReq', response);
        document.getElementById("token").value = response.data.token;
        document.getElementById("player").value = response.data.playerId;
        if (response.data.connected) {
            document.getElementById("connect").value = response.data.connected.playerId;
        }
    }, params);
}

gadgets.util.registerOnLoadHandler(makeReq);
</script>

  ]]></Content>
</Module>