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 luan.com.flippit; import android.app.ActivityManager; import android.app.IntentService; import android.app.NotificationManager; import android.app.PendingIntent; import android.content.Context; import android.content.Intent; import android.content.SharedPreferences; import android.net.Uri; import android.os.Bundle; import android.support.v4.app.NotificationCompat; import android.util.Log; import com.google.android.gms.gcm.GoogleCloudMessaging; import org.json.JSONException; import org.json.JSONObject; import java.io.IOException; import java.io.UnsupportedEncodingException; import java.net.HttpURLConnection; import java.net.URL; import luan.com.flippit.utilities.Callback; import luan.com.flippit.utilities.CopyClipboard; import luan.com.flippit.utilities.CopyService; import luan.com.flippit.utilities.FileCallback; /** * 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; static public NotificationManager mNotificationManager; static Context mContext = null; static NotificationCompat.Builder mBuilder = null; static SharedPreferences mPrefs = null; static ActivityManager activityManager; public GcmIntentService() { super("GcmIntentService"); } @Override protected void onHandleIntent(Intent intent) { mContext = this; mPrefs = getSharedPreferences(mContext.getPackageName(), Context.MODE_PRIVATE); mNotificationManager = (NotificationManager) this.getSystemService(Context.NOTIFICATION_SERVICE); mBuilder = new NotificationCompat.Builder(this); activityManager = (ActivityManager) getSystemService(ACTIVITY_SERVICE); Bundle extras = intent.getExtras(); GoogleCloudMessaging gcm = GoogleCloudMessaging.getInstance(this); String message = intent.getStringExtra("message"); String messageType = gcm.getMessageType(intent); if (!extras.isEmpty()) { if (GoogleCloudMessaging.MESSAGE_TYPE_SEND_ERROR.equals(messageType)) { //sendNotification("Send error: " + extras.toString()); } else if (GoogleCloudMessaging.MESSAGE_TYPE_DELETED.equals(messageType)) { //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)) { manageNotification(message); } } GcmBroadcastReceiver.completeWakefulIntent(intent); } private void manageNotification(String content) { JSONObject data = null; String msg = null; String fileName = null; String msgId = null; try { data = new JSONObject(content); Log.i(MyActivity.TAG, getClass().getName() + ": " + "Received full message: " + data); msg = data.getString("message"); msg = java.net.URLDecoder.decode(msg, "UTF-8"); fileName = data.getString("fileName"); msgId = data.getString("messageId"); String type = GeneralUtilities.typeOfMessage(fileName); Log.i(MyActivity.TAG, getClass().getName() + ": " + "Type:" + type); if (type.contains("image") || type.equals("file")) { fileNotification(fileName, msg, msgId); } else { String extraUrl = searchForExtra(msg); Log.i(MyActivity.TAG, getClass().getName() + ": " + "extraUrl:" + extraUrl); if (!extraUrl.equals("")) { String extraType = extraMIMEOnline(extraUrl); extraDialog(msg, extraUrl, extraType); } else { textNotification(msg); } } } catch (JSONException e) { e.printStackTrace(); } catch (UnsupportedEncodingException e) { e.printStackTrace(); } } private void extraDialog(String msg, String extraFilename, String extraType) { Log.i(MyActivity.TAG, getClass().getName() + ": " + "Extra notification."); String url = msg; Intent intentWeb = new Intent(Intent.ACTION_VIEW); intentWeb.setData(Uri.parse(url)); PendingIntent pendingWeb = PendingIntent.getActivity(mContext, 0, intentWeb, PendingIntent.FLAG_UPDATE_CURRENT); Intent intentCopy = new Intent(mContext, CopyService.class); intentCopy.putExtra("msg", msg); PendingIntent pendingCopy = PendingIntent.getService(mContext, 0, intentCopy, PendingIntent.FLAG_UPDATE_CURRENT); NotificationCompat.Builder mBuilder = GeneralUtilities.createNotificationBuilder(mContext); mBuilder.setStyle(new NotificationCompat.BigTextStyle().bigText(msg)).setTicker("Rich message") .addAction(R.drawable.send_white, "Open", pendingWeb) .addAction(R.drawable.copy_white, "Copy", pendingCopy).setContentText("Rich message"); mNotificationManager.cancel(1); mNotificationManager.notify(NOTIFICATION_ID, mBuilder.build()); UpdateHistory updateHistory = new UpdateHistory(); updateHistory.updateHistory(mContext); } private void textNotification(String msg) { PendingIntent contentIntent = PendingIntent.getActivity(this, 0, new Intent(this, MyActivity.class), PendingIntent.FLAG_UPDATE_CURRENT); Log.i(MyActivity.TAG, getClass().getName() + ": " + "Text message."); NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(this) .setSmallIcon(R.drawable.action_icon).setContentTitle("FlippIt") .setStyle(new NotificationCompat.BigTextStyle().bigText(msg)).setTicker("Copied to clipboard") .setContentText(msg); mBuilder.setContentIntent(contentIntent); mNotificationManager.cancel(1); mNotificationManager.notify(NOTIFICATION_ID, mBuilder.build()); new CopyClipboard(msg, mContext); UpdateHistory updateHistory = new UpdateHistory(); updateHistory.updateHistory(mContext); } private void fileNotification(final String fileName, String msg, String msgId) { Log.i(MyActivity.TAG, getClass().getName() + ": " + "File transfer."); mBuilder.setContentTitle("FlippIt").setContentText("Downloading...").setSmallIcon(R.drawable.action_icon); String email = mPrefs.getString("email", ""); String url = GeneralUtilities.SERVER_PATH + "uploads/" + email + "/" + fileName; Bundle extras = new Bundle(); extras.putString("email", email); extras.putString("filename", fileName); extras.putString("msg", msg); extras.putString("msgId", msgId); DownloadFiles downloadFiles = new DownloadFiles(mContext); Callback fileCallback = new FileCallback(mContext); downloadFiles.getFileFromServer_v2(url, extras, fileCallback); } private String searchForExtra(String message) { int start = -1; int end = 0; String urlStr = ""; if (message.indexOf("http") > -1) { start = message.indexOf("http"); } else if (message.indexOf("https") > -1) { start = message.indexOf("https"); } else if (message.indexOf("www") > -1) { start = message.indexOf("www"); } Log.i(MyActivity.TAG, getClass().getName() + ": " + " start : " + start); if (start > -1) { end = message.indexOf(" ", start); if (end == -1) { end = message.length(); } urlStr = message.substring(start, end); Log.i(MyActivity.TAG, getClass().getName() + ": " + " Extra content in message detected: " + urlStr); } return urlStr; } private String extraMIMEOnline(String urlStr) { String contentType = ""; try { URL url = new URL(urlStr); HttpURLConnection connection = null; connection = (HttpURLConnection) url.openConnection(); connection.setRequestMethod("HEAD"); connection.connect(); contentType = connection.getContentType(); Log.i(MyActivity.TAG, getClass().getName() + ": " + "Extra content type: " + contentType); if (contentType != null) { contentType = "web"; } } catch (IOException e) { e.printStackTrace(); } return contentType; } }