Java tutorial
/* * Copyright 2013-2015 microG Project Team * * 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. */ package org.microg.gms.checkin; import android.accounts.Account; import android.accounts.AccountManager; import android.app.IntentService; import android.content.Intent; import android.os.IBinder; import android.os.RemoteException; import android.preference.PreferenceManager; import android.support.v4.content.WakefulBroadcastReceiver; import android.util.Log; import com.google.android.gms.checkin.internal.ICheckinService; import org.microg.gms.auth.AuthConstants; import org.microg.gms.gcm.McsService; import org.microg.gms.people.PeopleManager; import static org.microg.gms.checkin.TriggerReceiver.PREF_ENABLE_CHECKIN; public class CheckinService extends IntentService { private static final String TAG = "GmsCheckinSvc"; public static final String BIND_ACTION = "com.google.android.gms.checkin.BIND_TO_SERVICE"; public static final String EXTRA_FORCE_CHECKIN = "force"; public static final String EXTRA_CALLBACK_INTENT = "callback"; private ICheckinService iface = new ICheckinService.Stub() { @Override public String getDeviceDataVersionInfo() throws RemoteException { return LastCheckinInfo.read(CheckinService.this).deviceDataVersionInfo; } }; public CheckinService() { super(TAG); } @SuppressWarnings("MissingPermission") @Override protected void onHandleIntent(Intent intent) { try { if (PreferenceManager.getDefaultSharedPreferences(this).getBoolean(PREF_ENABLE_CHECKIN, false)) { LastCheckinInfo info = CheckinManager.checkin(this, intent.getBooleanExtra(EXTRA_FORCE_CHECKIN, false)); if (info != null) { Log.d(TAG, "Checked in as " + Long.toHexString(info.androidId)); String accountType = AuthConstants.DEFAULT_ACCOUNT_TYPE; for (Account account : AccountManager.get(this).getAccountsByType(accountType)) { PeopleManager.loadUserInfo(this, account); } McsService.scheduleReconnect(this); if (intent.hasExtra(EXTRA_CALLBACK_INTENT)) { startService((Intent) intent.getParcelableExtra(EXTRA_CALLBACK_INTENT)); } } } } catch (Exception e) { Log.w(TAG, e); } finally { WakefulBroadcastReceiver.completeWakefulIntent(intent); stopSelf(); } } @Override public IBinder onBind(Intent intent) { if (BIND_ACTION.equals(intent.getAction())) { return iface.asBinder(); } else { return super.onBind(intent); } } }