Polymer - Google Client Loader

Quiz

To load a specific client, Google API with the JavaScript client library Google-client-loader is used.

You can use the polymer_google-client-loader in your application, by running the following command to install it in your project directory.

bower install --save GoogleWebComponents/google-apis

This command will install all the related elements of polymer_google-client-loader under the bower_components folder.

Example

The following example specifies the use of polymer_google-client-loader in Polymer.js. Create a index.html file and add the following code in it.

<html>
   <head>
      <script src = "bower_components/webcomponentsjs/webcomponents-lite.js"></script>
      <link rel = "import" href = "bower_components/google-apis/google-apis.html">
   </head>
   
   <body>
      <div id = "loadedmsg"></div>
      <template  id = "googleclient" is = "dom-bind">
         <google-client-loader id = "shortener"
            name = "urlshortener"
            version = "v1"
            on-google-api-load = "loadedShortener">
         </google-client-loader>
      
         <google-js-api    
            on-js-api-load = "msgloaded">
         </google-js-api>
      
         <google-plusone-api  
            on-api-load = "msgloaded">
         </google-plusone-api>
      </template>
      
      <script>
         var googleclient = document.querySelector('#googleclient');
         googleclient.loadedShortener  = function(event) {
            var request = event.target.api.url.get ({
               shortUrl: 'http://goo.gl/fbsS'
            })
            request.execute(function(resp) {
            });
         };
         googleclient.msgloaded = function(e) {
            document.querySelector('#loadedmsg').innerHTML +=
               e.target.localName + ' is loaded' + '<br>';
         };
      </script>
   </body>
</html>

Output

To run the application, navigate to the created project directory and run the following command.

polymer serve

Now open the browser and navigate to http://127.0.0.1:8081/. Following will be the output.

polymer_elements.htm

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