Java tutorial
//package com.java2s; /* * Copyright 2012 emuneee apps * http://emuneee.com/apps * * 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 * * http://www.apache.org/licenses/LICENSE-2.0 * * 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 java.io.IOException; import android.accounts.Account; import android.accounts.AccountManager; import android.accounts.AccountManagerFuture; import android.accounts.AuthenticatorException; import android.accounts.OperationCanceledException; import android.app.Activity; import android.os.Bundle; import android.util.Log; public class Main { public final static String GOOGLE_ACCOUNT_TYPE = "com.google"; private final static String TAG = "AuthUtils"; public static String refreshAuthToken(Activity activity, String token, String name, String googleApi) { String authToken = null; final Account account; AccountManagerFuture<Bundle> accountFuture; account = new Account(name, GOOGLE_ACCOUNT_TYPE); try { // invalidate the retrieved token and get a fresh one AccountManager.get(activity).invalidateAuthToken(GOOGLE_ACCOUNT_TYPE, token); accountFuture = AccountManager.get(activity).getAuthToken(account, googleApi, null, activity, null, null); authToken = accountFuture.getResult().get(AccountManager.KEY_AUTHTOKEN).toString(); } catch (OperationCanceledException e) { Log.e(TAG, e.toString()); } catch (AuthenticatorException e) { Log.e(TAG, e.toString()); } catch (IOException e) { Log.e(TAG, e.toString()); } return authToken; } public static String getAuthToken(Activity activity, String name, String googleApi) { String authToken = null; final Account account; AccountManagerFuture<Bundle> accountFuture; account = new Account(name, GOOGLE_ACCOUNT_TYPE); accountFuture = AccountManager.get(activity).getAuthToken(account, googleApi, null, activity, null, null); try { authToken = accountFuture.getResult().get(AccountManager.KEY_AUTHTOKEN).toString(); // invalidate the retrieved token and get a fresh one AccountManager.get(activity).invalidateAuthToken(GOOGLE_ACCOUNT_TYPE, authToken); accountFuture = AccountManager.get(activity).getAuthToken(account, googleApi, null, activity, null, null); authToken = accountFuture.getResult().get(AccountManager.KEY_AUTHTOKEN).toString(); } catch (OperationCanceledException e) { Log.e(TAG, e.toString()); } catch (AuthenticatorException e) { Log.e(TAG, e.toString()); } catch (IOException e) { Log.e(TAG, e.toString()); } return authToken; } }