Java tutorial
/* * Copyright (C) 2013 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 * * 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 com.example.product; import java.util.List; import android.app.ActivityManager; import android.app.ActivityManager.RunningTaskInfo; import android.app.IntentService; import android.app.Notification; import android.app.NotificationManager; import android.app.PendingIntent; import android.content.ComponentName; import android.content.Context; import android.content.Intent; import android.content.res.Resources; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.os.Bundle; import android.os.PowerManager; import android.os.SystemClock; import android.support.v4.app.NotificationCompat; import android.util.Log; import com.google.android.gms.gcm.GoogleCloudMessaging; /** * This {@code IntentService} does the actual handling of the GCM message. * {@code GcmBroadcastReceiver} (a {@code WakefulBroadcastReceiver}) holds a * partial wake lock for this service while the service does its work. When the * service is finished, it calls {@code completeWakefulIntent()} to release the * wake lock. */ public class GcmIntentService extends IntentService { public static final int NOTIFICATION_ID = 1; private NotificationManager mNotificationManager; NotificationCompat.Builder builder; public GcmIntentService() { super("GcmIntentService"); } public static final String TAG = "GCM Demo"; @Override protected void onHandleIntent(Intent intent) { Bundle extras = intent.getExtras(); GoogleCloudMessaging gcm = GoogleCloudMessaging.getInstance(this); // The getMessageType() intent parameter must be the intent you received // in your BroadcastReceiver. String messageType = gcm.getMessageType(intent); if (!extras.isEmpty()) { // has effect of unparcelling Bundle /* * Filter messages based on message type. Since it is likely that GCM will be * extended in the future with new message types, just ignore any message types you're * not interested in, or that you don't recognize. */ if (GoogleCloudMessaging.MESSAGE_TYPE_SEND_ERROR.equals(messageType)) { Log.e(TAG, "GCM_MESSAGE_TYPE_SEND_ERROR"); //do nothing //sendNotification("Send error: " + extras.toString()); } else if (GoogleCloudMessaging.MESSAGE_TYPE_DELETED.equals(messageType)) { Log.e(TAG, "GCM_MESSAGE_TYPE_DELETED"); //do nothing //sendNotification("Deleted messages on server: " + extras.toString()); // If it's a regular GCM message, do some work. } else if (GoogleCloudMessaging.MESSAGE_TYPE_MESSAGE.equals(messageType)) { //? ?? Notification? . // This loop represents the service doing some work. /* for (int i = 0; i < 5; i++) { Log.i(TAG, "Working... " + (i + 1) + "/5 @ " + SystemClock.elapsedRealtime()); try { Thread.sleep(5000); } catch (InterruptedException e) { } } */ Log.i(TAG, "Completed work @ " + SystemClock.elapsedRealtime()); // Post notification of received message. //sendNotification("Received: " + extras.toString()); //test sendNotification sendNotification(extras); Log.i(TAG, "Received: " + extras.toString()); //?? if (!isScreenOn(this)) { Log.i(TAG, "screen is off"); //test Intent popupIntent = new Intent(this, ActivityPopUp.class).putExtras(extras) .setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); // . this.startActivity(popupIntent); } //?? else { ActivityManager am = (ActivityManager) this.getSystemService(Context.ACTIVITY_SERVICE); List<RunningTaskInfo> runList = am.getRunningTasks(10); ComponentName name = runList.get(0).topActivity; String className = name.getClassName(); boolean isAppRunning = false; Log.i(TAG, "className ==" + className); //? ?? AcitivityPopUp ? if (className.equals("com.example.product.ActivityPopUp")) { isAppRunning = true; } //?? ? if (isAppRunning == true) { Log.i(TAG, "screen is off, but popup is on"); //test Intent popupIntent = new Intent(this, ActivityPopUp.class).putExtras(extras) .setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); // . this.startActivity(popupIntent); // ? ? ? } //? ? ? else { // ? ? ? ? } } } } // Release the wake lock provided by the WakefulBroadcastReceiver. GcmBroadcastReceiver.completeWakefulIntent(intent); } // Put the message into a notification and post it. // This is just one simple example of what you might choose to do with // a GCM message. private void sendNotification(Bundle extras) { mNotificationManager = (NotificationManager) this.getSystemService(Context.NOTIFICATION_SERVICE); PendingIntent contentIntent = PendingIntent.getActivity(this, 0, new Intent(this, MainActivity.class), 0); //largeicon ?? ? Bitmap largeIcon = BitmapFactory.decodeResource(getResources(), R.drawable.mylogo_whitebackground); Resources res = getResources(); int height = (int) res.getDimension(android.R.dimen.notification_large_icon_height); int width = (int) res.getDimension(android.R.dimen.notification_large_icon_width); largeIcon = Bitmap.createScaledBitmap(largeIcon, width, height, false); //? ?? ? NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(this) .setSmallIcon(R.drawable.mylogo_whitebackground).setLargeIcon(largeIcon) .setTicker(extras.getString("stock_name") + " - " + extras.getString("signal_name")) .setContentTitle(extras.getString("stock_name")) //.setStyle(new NotificationCompat.BigTextStyle() // BigTextStyle? . //.bigText(msg)) //.setWhen() //? ? ?? ?. // ? ? ? ? 5? ?. .setNumber(5).setDefaults(Notification.DEFAULT_VIBRATE).setAutoCancel(true) .setContentText(extras.getString("signal_name")); mBuilder.setContentIntent(contentIntent); mNotificationManager.notify(NOTIFICATION_ID, mBuilder.build()); } public static boolean isScreenOn(Context context) { return ((PowerManager) context.getSystemService(Context.POWER_SERVICE)).isScreenOn(); } }