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(Android™) Retrieve a Single Contact

Demonstrates how to retrieve a single contact (by contactId) for the Google Contacts API.

Chilkat Android™ Downloads

Android™ Java Libraries

Android C/C++ Libraries

// Important: Don't forget to include the call to System.loadLibrary
// as shown at the bottom of this code sample.
package com.test;

import android.app.Activity;
import com.chilkatsoft.*;

import android.widget.TextView;
import android.os.Bundle;

public class SimpleActivity extends Activity {

  private static final String TAG = "Chilkat";

  // Called when the activity is first created.
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    // --------------------------------------------------------------------------------------------------------
    // Note: The code for setting up the Chilkat REST object and making the initial connection can be done once.
    // Once connected, the REST object may be re-used for many REST API calls.
    // (It's a good idea to put the connection setup code in a separate function/subroutine.)
    // --------------------------------------------------------------------------------------------------------

    // It is assumed we previously obtained an OAuth2 access token.
    // This example loads the JSON access token file 
    // saved by this example: Get Google Contacts OAuth2 Access Token

    CkJsonObject jsonToken = new CkJsonObject();
    boolean success = jsonToken.LoadFile("qa_data/tokens/googleContacts.json");
    if (success != true) {
        Log.i(TAG, "Failed to load googleContacts.json");
        return;
        }

    CkAuthGoogle gAuth = new CkAuthGoogle();
    gAuth.put_AccessToken(jsonToken.stringOf("access_token"));

    CkRest rest = new CkRest();

    // Connect using TLS.
    boolean bAutoReconnect = true;
    success = rest.Connect("www.google.com",443,true,bAutoReconnect);

    // Provide the authentication credentials (i.e. the access token)
    rest.SetAuthGoogle(gAuth);

    // ----------------------------------------------
    // OK, the REST connection setup is completed..
    // ----------------------------------------------

    // To retrieve the contact, send the following:

    // 	GET /m8/feeds/contacts/default/full/{contactId}
    // 	GData-Version: 3.0

    rest.AddHeader("GData-Version","3.0");

    CkStringBuilder sbPath = new CkStringBuilder();
    sbPath.Append("/m8/feeds/contacts/default/full/{contactId}");
    // Get the contact having contactId = "7b1c7b6409e718a0"
    int numReplacements = sbPath.Replace("{contactId}","7b1c7b6409e718a0");

    CkStringBuilder sbResponseBody = new CkStringBuilder();
    success = rest.FullRequestNoBodySb("GET",sbPath.getAsString(),sbResponseBody);
    if (success != true) {
        Log.i(TAG, rest.lastErrorText());
        return;
        }

    // A successful response will have a status code equal to 200.
    if (rest.get_ResponseStatusCode() != 200) {
        Log.i(TAG, "response status code = " + String.valueOf(rest.get_ResponseStatusCode()));
        Log.i(TAG, "response status text = " + rest.responseStatusText());
        Log.i(TAG, "response header: " + rest.responseHeader());
        Log.i(TAG, "response body: " + sbResponseBody.getAsString());
        return;
        }

    // If the 200 response was received, then the contacts XML is contained
    // in the response body.
    CkXml xml = new CkXml();
    xml.LoadSb(sbResponseBody,false);

    // See below for a sample response body.
    xml.SaveXml("qa_output/google_contact.xml");

    // Now let's parse the XML...
    Log.i(TAG, "title: " + xml.getChildContent("title"));

    String emailAddress = xml.chilkatPath("gd:email|(address)");
    if (xml.get_LastMethodSuccess() == true) {
        Log.i(TAG, "email address: " + emailAddress);
        }

    // The response body XML looks something like this:

    // 	<?xml version="1.0" encoding="UTF-8" ?>
    // 	<entry gd:etag="&quot;R3kzezVSLit7I2A9XRFaFE8DQAU.&quot;" xmlns="http://www.w3.org/2005/Atom" xmlns:batch="http://schemas.google.com/gdata/batch" xmlns:gContact="http://schemas.google.com/contact/2008" xmlns:gd="http://schemas.google.com/g/2005">
    // 	    <id>http://www.google.com/m8/feeds/contacts/support%40chilkatcloud.com/base/7b1c7b6409e718a0</id>
    // 	    <updated>2016-11-18T00:41:56.783Z</updated>
    // 	    <app:edited xmlns:app="http://www.w3.org/2007/app">2016-11-18T00:41:56.783Z</app:edited>
    // 	    <category scheme="http://schemas.google.com/g/2005#kind" term="http://schemas.google.com/contact/2008#contact" />
    // 	    <title>Chilkat Cloud</title>
    // 	    <link rel="http://schemas.google.com/contacts/2008/rel#photo" type="image/*" href="https://www.googleapis.com/m8/feeds/photos/media/support%40chilkatcloud.com/7b1c7b6409e718a0" gd:etag="&quot;fgVhPls4Sit7I2BWHUlTWkQMKHUZKHkkaiw.&quot;" />
    // 	    <link rel="self" type="application/atom+xml" href="https://www.googleapis.com/m8/feeds/contacts/support%40chilkatcloud.com/full/7b1c7b6409e718a0" />
    // 	    <link rel="edit" type="application/atom+xml" href="https://www.googleapis.com/m8/feeds/contacts/support%40chilkatcloud.com/full/7b1c7b6409e718a0" />
    // 	    <gd:name>
    // 	        <gd:fullName>Chilkat Cloud</gd:fullName>
    // 	        <gd:givenName>Chilkat</gd:givenName>
    // 	        <gd:familyName>Cloud</gd:familyName>
    // 	    </gd:name>
    // 	    <gd:email rel="http://schemas.google.com/g/2005#other" address="support@chilkatcloud.com" primary="true" />
    // 	    <gContact:groupMembershipInfo deleted="false" href="http://www.google.com/m8/feeds/groups/support%40chilkatcloud.com/base/6" />
    // 	</entry>

  }

  static {
      System.loadLibrary("chilkat");

      // Note: If the incorrect library name is passed to System.loadLibrary,
      // then you will see the following error message at application startup:
      //"The application <your-application-name> has stopped unexpectedly. Please try again."
  }
}

 

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