Java tutorial
/** * Copyright (C) 2011 Whisper Systems * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package org.thoughtcrime.securesms.notifications; import android.app.NotificationManager; import android.content.Context; import android.content.Intent; import android.os.AsyncTask; import android.os.Bundle; import android.support.annotation.Nullable; import android.support.v4.app.RemoteInput; import org.thoughtcrime.securesms.attachments.Attachment; import org.thoughtcrime.securesms.crypto.MasterSecret; import org.thoughtcrime.securesms.database.DatabaseFactory; import org.thoughtcrime.securesms.database.MessagingDatabase; import org.thoughtcrime.securesms.database.MessagingDatabase.MarkedMessageInfo; import org.thoughtcrime.securesms.database.MessagingDatabase.SyncMessageId; import org.thoughtcrime.securesms.database.RecipientPreferenceDatabase.RecipientsPreferences; import org.thoughtcrime.securesms.mms.OutgoingMediaMessage; import org.thoughtcrime.securesms.recipients.RecipientFactory; import org.thoughtcrime.securesms.recipients.Recipients; import org.thoughtcrime.securesms.sms.MessageSender; import org.thoughtcrime.securesms.sms.OutgoingTextMessage; import org.whispersystems.libsignal.logging.Log; import org.whispersystems.libsignal.util.guava.Optional; import java.util.LinkedList; import java.util.List; /** * Get the response text from the Android Auto and sends an message as a reply */ public class AndroidAutoReplyReceiver extends MasterSecretBroadcastReceiver { public static final String TAG = AndroidAutoReplyReceiver.class.getSimpleName(); public static final String REPLY_ACTION = "org.thoughtcrime.securesms.notifications.ANDROID_AUTO_REPLY"; public static final String RECIPIENT_IDS_EXTRA = "car_recipient_ids"; public static final String VOICE_REPLY_KEY = "car_voice_reply_key"; public static final String THREAD_ID_EXTRA = "car_reply_thread_id"; @Override protected void onReceive(final Context context, Intent intent, final @Nullable MasterSecret masterSecret) { if (!REPLY_ACTION.equals(intent.getAction())) return; Bundle remoteInput = RemoteInput.getResultsFromIntent(intent); if (remoteInput == null) return; final long[] recipientIds = intent.getLongArrayExtra(RECIPIENT_IDS_EXTRA); final long threadId = intent.getLongExtra(THREAD_ID_EXTRA, -1); final CharSequence responseText = getMessageText(intent); final Recipients recipients = RecipientFactory.getRecipientsForIds(context, recipientIds, false); if (responseText != null) { new AsyncTask<Void, Void, Void>() { @Override protected Void doInBackground(Void... params) { long replyThreadId; Optional<RecipientsPreferences> preferences = DatabaseFactory .getRecipientPreferenceDatabase(context).getRecipientsPreferences(recipientIds); int subscriptionId = preferences.isPresent() ? preferences.get().getDefaultSubscriptionId().or(-1) : -1; long expiresIn = preferences.isPresent() ? preferences.get().getExpireMessages() * 1000 : 0; if (recipients.isGroupRecipient()) { Log.i("AndroidAutoReplyReceiver", "GroupRecipient, Sending media message"); OutgoingMediaMessage reply = new OutgoingMediaMessage(recipients, responseText.toString(), new LinkedList<Attachment>(), System.currentTimeMillis(), subscriptionId, expiresIn, 0); replyThreadId = MessageSender.send(context, masterSecret, reply, threadId, false); } else { Log.i("AndroidAutoReplyReceiver", "Sending regular message "); OutgoingTextMessage reply = new OutgoingTextMessage(recipients, responseText.toString(), expiresIn, subscriptionId); replyThreadId = MessageSender.send(context, masterSecret, reply, threadId, false); } List<MarkedMessageInfo> messageIds = DatabaseFactory.getThreadDatabase(context) .setRead(replyThreadId, true); MessageNotifier.updateNotification(context, masterSecret); MarkReadReceiver.process(context, messageIds); return null; } }.execute(); } } private CharSequence getMessageText(Intent intent) { Bundle remoteInput = RemoteInput.getResultsFromIntent(intent); if (remoteInput != null) { return remoteInput.getCharSequence(VOICE_REPLY_KEY); } return null; } }