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Android example source code file (

This example Android source code file ( is included in the "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Android by Example" TM.

Java - Android tags/keywords

accountauthenticator, android, app, application, authentication, authenticationservice, authenticator, content, ibinder, os, override, samplesyncadapter, service, string, tag, utilities

The Android example source code

 * Copyright (C) 2010 The Android Open Source Project
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.


import android.content.Intent;
import android.os.IBinder;
import android.util.Log;

 * Service to handle Account authentication. It instantiates the authenticator
 * and returns its IBinder.
public class AuthenticationService extends Service {
    private static final String TAG = "AuthenticationService";
    private Authenticator mAuthenticator;

    public void onCreate() {
        if (Log.isLoggable(TAG, Log.VERBOSE)) {
            Log.v(TAG, "SampleSyncAdapter Authentication Service started.");
        mAuthenticator = new Authenticator(this);

    public void onDestroy() {
        if (Log.isLoggable(TAG, Log.VERBOSE)) {
            Log.v(TAG, "SampleSyncAdapter Authentication Service stopped.");

    public IBinder onBind(Intent intent) {
        if (Log.isLoggable(TAG, Log.VERBOSE)) {
                "getBinder()...  returning the AccountAuthenticator binder for intent "
                    + intent);
        return mAuthenticator.getIBinder();

Other Android examples (source code examples)

Here is a short list of links related to this Android source code file:

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