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(Android™) Update a Google Contact

Demonstrates how to update a Google Contact.

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 update a contact, we'll first get the contact information,
    //  then we'll make changes to the XML and then PUT the update.

    //  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 = "5b6d64980b1ed462"
    int numReplacements = sbPath.Replace("{contactId}","5b6d64980b1ed462");

    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);

    //  Get the etag:
    String lastKnownEtag = xml.getAttrValue("gd:etag");
    Log.i(TAG, "lastKnownEtag = " + lastKnownEtag);

    //  Update the XML.
    //  We're going to add or update with the following information:

    //  	  <gd:name>
    //  	    <gd:givenName>Joe</gd:givenName>
    //  	    <gd:familyName>Sample</gd:familyName>
    //  	    <gd:fullName>Joe Sample</gd:fullName>
    //  	  </gd:name>
    //  	  <content type="text">RIP Joe Sample, a great musician...</content>
    //  	  <gd:extendedProperty name="pet" value="hamster"/>

    xml.UpdateChildContent("gd:name|gd:givenName","Joe");
    xml.UpdateChildContent("gd:name|gd:familyName","Sample");
    xml.UpdateChildContent("gd:name|gd:fullName","Joe Sample");
    xml.UpdateChildContent("content","RIP Joe Sample, a great musician...");
    xml.UpdateAttrAt("content",true,"type","text");
    xml.UpdateAttrAt("gd:extendedProperty",true,"name","pet");
    xml.UpdateAttrAt("gd:extendedProperty",true,"value","hamster");

    //  Send the following:

    //  	PUT /m8/feeds/contacts/default/full/{contactId}
    //  	If-Match: {lastKnownEtag}
    //  	GData-Version: 3.0
    //  	Content-Type: application/atom+xml

    rest.ClearAllHeaders();
    rest.AddHeader("If-Match",lastKnownEtag);
    rest.AddHeader("GData-Version","3.0");
    rest.AddHeader("Content-Type","application/atom+xml");

    CkStringBuilder sbRequestBody = new CkStringBuilder();
    xml.GetXmlSb(sbRequestBody);

    //  The sbPath already contains the correct path..
    success = rest.FullRequestSb("PUT",sbPath.getAsString(),sbRequestBody,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 updated contact XML is contained
    //  in the response body.
    xml.LoadSb(sbResponseBody,false);

    Log.i(TAG, "Response Body:");
    Log.i(TAG, xml.getXml());
    Log.i(TAG, "Success.");

  }

  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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