实例介绍
【实例简介】
【实例截图】
【实例截图】
【核心代码】
/* * Copyright (C) 2010 Moduad Co., Ltd. * * 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.androidpn.client; import java.util.Random; import java.util.concurrent.ExecutorService; import java.util.concurrent.Executors; import java.util.concurrent.Future; import android.app.Service; import android.content.BroadcastReceiver; import android.content.Context; import android.content.Intent; import android.content.IntentFilter; import android.content.SharedPreferences; import android.content.SharedPreferences.Editor; import android.os.IBinder; import android.telephony.PhoneStateListener; import android.telephony.TelephonyManager; import android.util.Log; /** * Service that continues to run in background and respond to the push * notification events from the server. This should be registered as service * in AndroidManifest.xml. * * @author Sehwan Noh (devnoh@gmail.com) */ public class NotificationService extends Service { private static final String LOGTAG = LogUtil .makeLogTag(NotificationService.class); public static final String SERVICE_NAME = "org.androidpn.client.NotificationService"; private TelephonyManager telephonyManager; // private WifiManager wifiManager; // // private ConnectivityManager connectivityManager; private BroadcastReceiver notificationReceiver; private BroadcastReceiver connectivityReceiver; private PhoneStateListener phoneStateListener; private ExecutorService executorService; private TaskSubmitter taskSubmitter; private TaskTracker taskTracker; private XmppManager xmppManager; private SharedPreferences sharedPrefs; private String deviceId; public NotificationService() { notificationReceiver = new NotificationReceiver(); connectivityReceiver = new ConnectivityReceiver(this); phoneStateListener = new PhoneStateChangeListener(this); executorService = Executors.newSingleThreadExecutor(); taskSubmitter = new TaskSubmitter(this); taskTracker = new TaskTracker(this); } @Override public void onCreate() { Log.d(LOGTAG, "onCreate()..."); telephonyManager = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE); // wifiManager = (WifiManager) getSystemService(Context.WIFI_SERVICE); // connectivityManager = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE); sharedPrefs = getSharedPreferences(Constants.SHARED_PREFERENCE_NAME, Context.MODE_PRIVATE); // Get deviceId deviceId = telephonyManager.getDeviceId(); // Log.d(LOGTAG, "deviceId=" deviceId); Editor editor = sharedPrefs.edit(); editor.putString(Constants.DEVICE_ID, deviceId); editor.commit(); // If running on an emulator if (deviceId == null || deviceId.trim().length() == 0 || deviceId.matches("0 ")) { if (sharedPrefs.contains("EMULATOR_DEVICE_ID")) { deviceId = sharedPrefs.getString(Constants.EMULATOR_DEVICE_ID, ""); } else { deviceId = (new StringBuilder("EMU")).append( (new Random(System.currentTimeMillis())).nextLong()) .toString(); editor.putString(Constants.EMULATOR_DEVICE_ID, deviceId); editor.commit(); } } Log.d(LOGTAG, "deviceId=" deviceId); xmppManager = new XmppManager(this); taskSubmitter.submit(new Runnable() { public void run() { NotificationService.this.start(); } }); } @Override public void onStart(Intent intent, int startId) { Log.d(LOGTAG, "onStart()..."); } @Override public void onDestroy() { Log.d(LOGTAG, "onDestroy()..."); stop(); } @Override public IBinder onBind(Intent intent) { Log.d(LOGTAG, "onBind()..."); return null; } @Override public void onRebind(Intent intent) { Log.d(LOGTAG, "onRebind()..."); } @Override public boolean onUnbind(Intent intent) { Log.d(LOGTAG, "onUnbind()..."); return true; } public static Intent getIntent() { return new Intent(SERVICE_NAME); } public ExecutorService getExecutorService() { return executorService; } public TaskSubmitter getTaskSubmitter() { return taskSubmitter; } public TaskTracker getTaskTracker() { return taskTracker; } public XmppManager getXmppManager() { return xmppManager; } public SharedPreferences getSharedPreferences() { return sharedPrefs; } public String getDeviceId() { return deviceId; } public void connect() { Log.d(LOGTAG, "connect()..."); taskSubmitter.submit(new Runnable() { public void run() { NotificationService.this.getXmppManager().connect(); } }); } public void disconnect() { Log.d(LOGTAG, "disconnect()..."); taskSubmitter.submit(new Runnable() { public void run() { NotificationService.this.getXmppManager().disconnect(); } }); } private void registerNotificationReceiver() { IntentFilter filter = new IntentFilter(); filter.addAction(Constants.ACTION_SHOW_NOTIFICATION); filter.addAction(Constants.ACTION_NOTIFICATION_CLICKED); filter.addAction(Constants.ACTION_NOTIFICATION_CLEARED); registerReceiver(notificationReceiver, filter); } private void unregisterNotificationReceiver() { unregisterReceiver(notificationReceiver); } private void registerConnectivityReceiver() { Log.d(LOGTAG, "registerConnectivityReceiver()..."); telephonyManager.listen(phoneStateListener, PhoneStateListener.LISTEN_DATA_CONNECTION_STATE); IntentFilter filter = new IntentFilter(); // filter.addAction(android.net.wifi.WifiManager.NETWORK_STATE_CHANGED_ACTION); filter.addAction(android.net.ConnectivityManager.CONNECTIVITY_ACTION); registerReceiver(connectivityReceiver, filter); } private void unregisterConnectivityReceiver() { Log.d(LOGTAG, "unregisterConnectivityReceiver()..."); telephonyManager.listen(phoneStateListener, PhoneStateListener.LISTEN_NONE); unregisterReceiver(connectivityReceiver); } private void start() { Log.d(LOGTAG, "start()..."); registerNotificationReceiver(); registerConnectivityReceiver(); // Intent intent = getIntent(); // startService(intent); xmppManager.connect(); } private void stop() { Log.d(LOGTAG, "stop()..."); unregisterNotificationReceiver(); unregisterConnectivityReceiver(); xmppManager.disconnect(); executorService.shutdown(); } /** * Class for summiting a new runnable task. */ public class TaskSubmitter { final NotificationService notificationService; public TaskSubmitter(NotificationService notificationService) { this.notificationService = notificationService; } @SuppressWarnings("unchecked") public Future submit(Runnable task) { Future result = null; if (!notificationService.getExecutorService().isTerminated() && !notificationService.getExecutorService().isShutdown() && task != null) { result = notificationService.getExecutorService().submit(task); } return result; } } /** * Class for monitoring the running task count. */ public class TaskTracker { final NotificationService notificationService; public int count; public TaskTracker(NotificationService notificationService) { this.notificationService = notificationService; this.count = 0; } public void increase() { synchronized (notificationService.getTaskTracker()) { notificationService.getTaskTracker().count ; Log.d(LOGTAG, "Incremented task count to " count); } } public void decrease() { synchronized (notificationService.getTaskTracker()) { notificationService.getTaskTracker().count--; Log.d(LOGTAG, "Decremented task count to " count); } } } }
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