Ich hoffe, dass dies jemandem wie mir helfen wird, denn ich habe lange danach gesucht und bin schließlich mit dem Folgenden fertig geworden.
Ich habe verwendet GData java client bibliothek für Google Kontakte API v3 .
package com.example.cand;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.RandomAccessFile;
import java.net.MalformedURLException;
import java.net.URL;
import android.app.Activity;
import android.os.AsyncTask;
import android.os.Bundle;
import android.view.Menu;
import com.google.gdata.client.Query;
import com.google.gdata.client.Service;
import com.google.gdata.client.contacts.ContactsService;
import com.google.gdata.data.Link;
import com.google.gdata.data.contacts.ContactEntry;
import com.google.gdata.data.contacts.ContactFeed;
import com.google.gdata.util.AuthenticationException;
import com.google.gdata.util.NoLongerAvailableException;
import com.google.gdata.util.ServiceException;
public class MainActivity extends Activity {
private URL feedUrl;
private static final String username="yourUsername";
private static final String pwd="yourPassword";
private ContactsService service;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
String url = "https://www.google.com/m8/feeds/contacts/default/full";
try {
this.feedUrl = new URL(url);
} catch (MalformedURLException e) {
e.printStackTrace();
}
new GetTask().execute();
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
private class GetTask extends AsyncTask<Void, Void, Void>{
@Override
protected Void doInBackground(Void... params) {
service = new ContactsService("ContactsSample");
try {
service.setUserCredentials(username, pwd);
} catch (AuthenticationException e) {
e.printStackTrace();
}
try {
queryEntries();
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
}
private void queryEntries() throws IOException, ServiceException{
Query myQuery = new Query(feedUrl);
myQuery.setMaxResults(50);
myQuery.setStartIndex(1);
myQuery.setStringCustomParameter("showdeleted", "false");
myQuery.setStringCustomParameter("requirealldeleted", "false");
// myQuery.setStringCustomParameter("sortorder", "ascending");
// myQuery.setStringCustomParameter("orderby", "");
try{
ContactFeed resultFeed = (ContactFeed)this.service.query(myQuery, ContactFeed.class);
for (ContactEntry entry : resultFeed.getEntries()) {
printContact(entry);
}
System.err.println("Total: " + resultFeed.getEntries().size() + " entries found");
}
catch (NoLongerAvailableException ex) {
System.err.println("Not all placehorders of deleted entries are available");
}
}
private void printContact(ContactEntry contact) throws IOException, ServiceException{
System.err.println("Id: " + contact.getId());
if (contact.getTitle() != null)
System.err.println("Contact name: " + contact.getTitle().getPlainText());
else {
System.err.println("Contact has no name");
}
System.err.println("Last updated: " + contact.getUpdated().toUiString());
if (contact.hasDeleted()) {
System.err.println("Deleted:");
}
// ElementHelper.printContact(System.err, contact);
Link photoLink = contact.getLink("http://schemas.google.com/contacts/2008/rel#photo", "image/*");
if (photoLink.getEtag() != null) {
Service.GDataRequest request = service.createLinkQueryRequest(photoLink);
request.execute();
InputStream in = request.getResponseStream();
ByteArrayOutputStream out = new ByteArrayOutputStream();
RandomAccessFile file = new RandomAccessFile("/tmp/" + contact.getSelfLink().getHref().substring(contact.getSelfLink().getHref().lastIndexOf('/') + 1), "rw");
byte[] buffer = new byte[4096];
for (int read = 0; (read = in.read(buffer)) != -1; )
out.write(buffer, 0, read);
file.write(out.toByteArray());
file.close();
in.close();
request.end();
}
System.err.println("Photo link: " + photoLink.getHref());
String photoEtag = photoLink.getEtag();
System.err.println(" Photo ETag: " + (photoEtag != null ? photoEtag : "(No contact photo uploaded)"));
System.err.println("Self link: " + contact.getSelfLink().getHref());
System.err.println("Edit link: " + contact.getEditLink().getHref());
System.err.println("ETag: " + contact.getEtag());
System.err.println("-------------------------------------------\n");
}
}
Erforderliche Bibliotheksdateien: Sie können diese Jars von aquí
- gdata-client-1.0.jar
- gdata-client-meta-1.0.jar
- gdata-contacts-3.0.jar
- gdata-contacts-meta-3.0.jar
- gdata-core-1.0.jar
- guava-11.0.2.jar
Hinweis: Fügen Sie die Internetberechtigung in der Datei AndroidManifest hinzu.
<uses-permission android:name="android.permission.INTERNET"/>