merge in oc-release history after reset to master
diff --git a/Android.mk b/Android.mk
new file mode 100644
index 0000000..6d173c5
--- /dev/null
+++ b/Android.mk
@@ -0,0 +1,39 @@
+#
+# Copyright (C) 2017 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.
+#
+
+
+LOCAL_PATH:= $(call my-dir)
+include $(CLEAR_VARS)
+
+LOCAL_MODULE_TAGS := optional
+
+LOCAL_SRC_FILES := $(call all-java-files-under, src)
+
+LOCAL_PACKAGE_NAME := CarMessengerApp
+
+LOCAL_OVERRIDES_PACKAGES := messaging
+
+LOCAL_MODULE_TAGS := optional
+
+LOCAL_PROGUARD_ENABLED := disabled
+
+LOCAL_PRIVILEGED_MODULE := true
+
+LOCAL_STATIC_JAVA_LIBRARIES += android-support-v4
+
+LOCAL_DEX_PREOPT := false
+
+include $(BUILD_PACKAGE)
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
new file mode 100644
index 0000000..d59587d
--- /dev/null
+++ b/AndroidManifest.xml
@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2017 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.
+-->
+
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+ package="com.android.car.messenger">
+
+ <uses-sdk android:minSdkVersion="25" android:targetSdkVersion="25"/>
+
+ <uses-permission android:name="android.permission.BLUETOOTH"/>
+ <uses-permission android:name="android.permission.SEND_SMS"/>
+ <uses-permission android:name="android.permission.READ_SMS"/>
+ <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED"/>
+
+ <application android:label="CarMessenger">
+ <service android:name=".MessengerService" android:exported="false">
+ </service>
+
+ <receiver android:name=".MessengerReceiver" android:exported="true">
+ <intent-filter>
+ <action android:name="android.intent.action.BOOT_COMPLETED"/>
+ </intent-filter>
+ </receiver>
+ </application>
+</manifest>
diff --git a/res/values/strings.xml b/res/values/strings.xml
new file mode 100644
index 0000000..9fab76b
--- /dev/null
+++ b/res/values/strings.xml
@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2007 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.
+-->
+
+<resources>
+ <plurals name="notification_new_message">
+ <item quantity="one">New message</item>
+ <item quantity="other">%d new messages</item>
+ </plurals>
+
+ <string name="auto_reply_message">I\'m driving right now</string>
+ <string name="auto_reply_failed_message">Unable to send reply. Please try again.</string>
+
+ <string name="tts_says_verb">says</string>
+
+ <string name="tts_failed_toast">Text playout failed!</string>
+</resources>
diff --git a/src/com/android/car/messenger/MapMessage.java b/src/com/android/car/messenger/MapMessage.java
new file mode 100644
index 0000000..2bca390
--- /dev/null
+++ b/src/com/android/car/messenger/MapMessage.java
@@ -0,0 +1,144 @@
+/*
+ * Copyright (C) 2017 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.android.car.messenger;
+
+import android.bluetooth.BluetoothDevice;
+import android.bluetooth.BluetoothMapClient;
+import android.content.Intent;
+import android.support.annotation.Nullable;
+
+/**
+ * Represents a message obtained via MAP service from a connected Bluetooth device.
+ */
+class MapMessage {
+ private BluetoothDevice mDevice;
+ private String mHandle;
+ private long mReceivedTimeMs;
+ private String mSenderName;
+ @Nullable
+ private String mSenderContactUri;
+ private String mText;
+
+ /**
+ * Constructs Message from {@code intent} that was received from MAP service via
+ * {@link BluetoothMapClient#ACTION_MESSAGE_RECEIVED} broadcast.
+ *
+ * @param intent Intent received from MAP service.
+ * @return Message constructed from extras in {@code intent}.
+ * @throws IllegalArgumentException If {@code intent} is missing any required fields.
+ */
+ public static MapMessage parseFrom(Intent intent) {
+ BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
+ String handle = intent.getStringExtra(BluetoothMapClient.EXTRA_MESSAGE_HANDLE);
+ String senderContactUri = intent.getStringExtra(
+ BluetoothMapClient.EXTRA_SENDER_CONTACT_URI);
+ String senderContactName = intent.getStringExtra(
+ BluetoothMapClient.EXTRA_SENDER_CONTACT_NAME);
+ String text = intent.getStringExtra(android.content.Intent.EXTRA_TEXT);
+ return new MapMessage(device, handle, System.currentTimeMillis(), senderContactName,
+ senderContactUri, text);
+ }
+
+ private MapMessage(BluetoothDevice device,
+ String handle,
+ long receivedTimeMs,
+ String senderName,
+ @Nullable String senderContactUri,
+ String text) {
+ boolean missingDevice = (device == null);
+ boolean missingHandle = (handle == null);
+ boolean missingSenderName = (senderName == null);
+ boolean missingText = (text == null);
+ if (missingDevice || missingHandle || missingText) {
+ StringBuilder builder = new StringBuilder("Missing required fields:");
+ if (missingDevice) {
+ builder.append(" device");
+ }
+ if (missingHandle) {
+ builder.append(" handle");
+ }
+ if (missingSenderName) {
+ builder.append(" senderName");
+ }
+ if (missingText) {
+ builder.append(" text");
+ }
+ throw new IllegalArgumentException(builder.toString());
+ }
+ mDevice = device;
+ mHandle = handle;
+ mReceivedTimeMs = receivedTimeMs;
+ mText = text;
+ mSenderContactUri = senderContactUri;
+ mSenderName = senderName;
+ }
+
+ public BluetoothDevice getDevice() {
+ return mDevice;
+ }
+
+ /**
+ * @return Unique handle for this message. NOTE: The handle is only required to be unique for
+ * the lifetime of a single MAP session.
+ */
+ public String getHandle() {
+ return mHandle;
+ }
+
+ /**
+ * @return Milliseconds since epoch at which this message notification was received on the head-
+ * unit.
+ */
+ public long getReceivedTimeMs() {
+ return mReceivedTimeMs;
+ }
+
+ /**
+ * @return Contact name as obtained from the device. If contact is in the device's address-book,
+ * this is typically the contact name. Otherwise it will be the phone number.
+ */
+ public String getSenderName() {
+ return mSenderName;
+ }
+
+ /**
+ * @return Sender phone number available as a URI string. iPhone's don't provide these.
+ */
+ @Nullable
+ public String getSenderContactUri() {
+ return mSenderContactUri;
+ }
+
+ /**
+ * @return Actual content of the message.
+ */
+ public String getText() {
+ return mText;
+ }
+
+ @Override
+ public String toString() {
+ return "MapMessage{" +
+ "mDevice=" + mDevice +
+ ", mHandle='" + mHandle + '\'' +
+ ", mReceivedTimeMs=" + mReceivedTimeMs +
+ ", mText='" + mText + '\'' +
+ ", mSenderContactUri='" + mSenderContactUri + '\'' +
+ ", mSenderName='" + mSenderName + '\'' +
+ '}';
+ }
+}
diff --git a/src/com/android/car/messenger/MapMessageMonitor.java b/src/com/android/car/messenger/MapMessageMonitor.java
new file mode 100644
index 0000000..926579d
--- /dev/null
+++ b/src/com/android/car/messenger/MapMessageMonitor.java
@@ -0,0 +1,389 @@
+/*
+ * Copyright (C) 2017 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.android.car.messenger;
+
+import android.app.NotificationManager;
+import android.app.PendingIntent;
+import android.bluetooth.BluetoothAdapter;
+import android.bluetooth.BluetoothDevice;
+import android.bluetooth.BluetoothMapClient;
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.content.IntentFilter;
+import android.net.Uri;
+import android.os.Parcel;
+import android.os.Parcelable;
+import android.support.annotation.Nullable;
+import android.support.v4.app.NotificationCompat;
+import android.util.Log;
+import android.widget.Toast;
+
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+import java.util.function.Predicate;
+
+/**
+ * Component that monitors for incoming messages and posts/updates notifications.
+ * <p>
+ * It also handles notifications requests e.g. sending auto-replies and message play-out.
+ * <p>
+ * It will receive broadcasts for new incoming messages as long as the MapClient is connected in
+ * {@link MessengerService}.
+ */
+class MapMessageMonitor {
+ private static final String TAG = "Messenger.MsgMonitor";
+ private static final boolean DBG = MessengerService.DBG;
+
+ private final Context mContext;
+ private final BluetoothMapReceiver mBluetoothMapReceiver;
+ private final NotificationManager mNotificationManager;
+ private final Map<MessageKey, MapMessage> mMessages = new HashMap<>();
+ private final Map<SenderKey, NotificationInfo> mNotificationInfos = new HashMap<>();
+ private final TTSHelper mTTSHelper;
+
+ MapMessageMonitor(Context context) {
+ mContext = context;
+ mBluetoothMapReceiver = new BluetoothMapReceiver();
+ mNotificationManager =
+ (NotificationManager) mContext.getSystemService(Context.NOTIFICATION_SERVICE);
+ mTTSHelper = new TTSHelper(mContext);
+ }
+
+ private void handleNewMessage(Intent intent) {
+ if (DBG) {
+ Log.d(TAG, "Handling new message");
+ }
+ try {
+ MapMessage message = MapMessage.parseFrom(intent);
+ if (MessengerService.VDBG) {
+ Log.v(TAG, "Parsed message: " + message);
+ }
+ MessageKey messageKey = new MessageKey(message);
+ boolean repeatMessage = mMessages.containsKey(messageKey);
+ mMessages.put(messageKey, message);
+ if (!repeatMessage) {
+ updateNotificationInfo(message, messageKey);
+ }
+ } catch (IllegalArgumentException e) {
+ Log.e(TAG, "Dropping invalid MAP message", e);
+ }
+ }
+
+ private void updateNotificationInfo(MapMessage message, MessageKey messageKey) {
+ SenderKey senderKey = new SenderKey(message);
+ NotificationInfo notificationInfo = mNotificationInfos.get(senderKey);
+ if (notificationInfo == null) {
+ notificationInfo =
+ new NotificationInfo(message.getSenderName(), message.getSenderContactUri());
+ mNotificationInfos.put(senderKey, notificationInfo);
+ }
+ notificationInfo.mMessageKeys.add(messageKey);
+ updateNotificationFor(senderKey, notificationInfo, false /* ttsPlaying */);
+ }
+
+ private void updateNotificationFor(SenderKey senderKey,
+ NotificationInfo notificationInfo, boolean ttsPlaying) {
+ NotificationCompat.Builder builder = new NotificationCompat.Builder(mContext);
+ // TODO(sriniv): Use right icon when switching to correct layout. b/33280056.
+ builder.setSmallIcon(android.R.drawable.btn_plus);
+ builder.setContentTitle(notificationInfo.mSenderName);
+ builder.setContentText(mContext.getResources().getQuantityString(
+ R.plurals.notification_new_message, notificationInfo.mMessageKeys.size(),
+ notificationInfo.mMessageKeys.size()));
+
+ Intent deleteIntent = new Intent(mContext, MessengerService.class)
+ .setAction(MessengerService.ACTION_CLEAR_NOTIFICATION_STATE)
+ .putExtra(MessengerService.EXTRA_SENDER_KEY, senderKey);
+ builder.setDeleteIntent(
+ PendingIntent.getService(mContext, notificationInfo.mNotificationId, deleteIntent,
+ PendingIntent.FLAG_UPDATE_CURRENT));
+
+ String messageActions[] = {
+ MessengerService.ACTION_AUTO_REPLY,
+ MessengerService.ACTION_PLAY_MESSAGES
+ };
+ // TODO(sriniv): Actual spec does not have any of these strings. Remove later. b/33280056.
+ // is implemented for notifications.
+ String actionTexts[] = { "Reply", "Play" };
+ if (ttsPlaying) {
+ messageActions[1] = MessengerService.ACTION_STOP_PLAYOUT;
+ actionTexts[1] = "Stop";
+ }
+ for (int i = 0; i < messageActions.length; i++) {
+ Intent intent = new Intent(mContext, MessengerService.class)
+ .setAction(messageActions[i])
+ .putExtra(MessengerService.EXTRA_SENDER_KEY, senderKey);
+ PendingIntent pendingIntent = PendingIntent.getService(mContext,
+ notificationInfo.mNotificationId, intent, PendingIntent.FLAG_UPDATE_CURRENT);
+ builder.addAction(android.R.drawable.ic_media_play, actionTexts[i], pendingIntent);
+ }
+ mNotificationManager.notify(notificationInfo.mNotificationId, builder.build());
+ }
+
+ void clearNotificationState(SenderKey senderKey) {
+ if (DBG) {
+ Log.d(TAG, "Clearing notification state for: " + senderKey);
+ }
+ mNotificationInfos.remove(senderKey);
+ }
+
+ void playMessages(SenderKey senderKey) {
+ NotificationInfo notificationInfo = mNotificationInfos.get(senderKey);
+ if (notificationInfo == null) {
+ Log.e(TAG, "Unknown senderKey! " + senderKey);
+ return;
+ }
+
+ StringBuilder ttsMessage = new StringBuilder();
+ ttsMessage.append(notificationInfo.mSenderName)
+ .append(" ").append(mContext.getString(R.string.tts_says_verb));
+ for (MessageKey messageKey : notificationInfo.mMessageKeys) {
+ MapMessage message = mMessages.get(messageKey);
+ if (message != null) {
+ ttsMessage.append(". ").append(message.getText());
+ }
+ }
+
+ mTTSHelper.requestPlay(ttsMessage.toString(),
+ new TTSHelper.Listener() {
+ @Override
+ public void onTTSStarted() {
+ updateNotificationFor(senderKey, notificationInfo, true);
+ }
+
+ @Override
+ public void onTTSStopped() {
+ updateNotificationFor(senderKey, notificationInfo, false);
+ }
+
+ @Override
+ public void onTTSError() {
+ Toast.makeText(mContext, R.string.tts_failed_toast, Toast.LENGTH_SHORT).show();
+ onTTSStopped();
+ }
+ });
+ }
+
+ void stopPlayout() {
+ mTTSHelper.requestStop();
+ }
+
+ boolean sendAutoReply(SenderKey senderKey, BluetoothMapClient mapClient) {
+ if (DBG) {
+ Log.d(TAG, "Sending auto-reply to: " + senderKey);
+ }
+ BluetoothDevice device =
+ BluetoothAdapter.getDefaultAdapter().getRemoteDevice(senderKey.mDeviceAddress);
+ NotificationInfo notificationInfo = mNotificationInfos.get(senderKey);
+ if (notificationInfo == null) {
+ Log.w(TAG, "No notificationInfo found for senderKey: " + senderKey);
+ return false;
+ }
+ if (notificationInfo.mSenderContactUri == null) {
+ Log.w(TAG, "Do not have contact URI for sender!");
+ return false;
+ }
+ Uri recipientUris[] = { Uri.parse(notificationInfo.mSenderContactUri) };
+
+ final int requestCode = senderKey.hashCode();
+ PendingIntent sentIntent =
+ PendingIntent.getBroadcast(mContext, requestCode, new Intent(
+ BluetoothMapClient.ACTION_MESSAGE_SENT_SUCCESSFULLY),
+ PendingIntent.FLAG_ONE_SHOT);
+ String message = mContext.getString(R.string.auto_reply_message);
+ return mapClient.sendMessage(device, recipientUris, message, sentIntent, null);
+ }
+
+ void handleMapDisconnect() {
+ cleanupMessagesAndNotifications((key) -> true);
+ }
+
+ void handleDeviceDisconnect(BluetoothDevice device) {
+ cleanupMessagesAndNotifications((key) -> key.matches(device.getAddress()));
+ }
+
+ private void cleanupMessagesAndNotifications(Predicate<CompositeKey> predicate) {
+ Iterator<Map.Entry<MessageKey, MapMessage>> messageIt = mMessages.entrySet().iterator();
+ while (messageIt.hasNext()) {
+ if (predicate.test(messageIt.next().getKey())) {
+ messageIt.remove();
+ }
+ }
+ Iterator<Map.Entry<SenderKey, NotificationInfo>> notificationIt =
+ mNotificationInfos.entrySet().iterator();
+ while (notificationIt.hasNext()) {
+ Map.Entry<SenderKey, NotificationInfo> entry = notificationIt.next();
+ if (predicate.test(entry.getKey())) {
+ mNotificationManager.cancel(entry.getValue().mNotificationId);
+ notificationIt.remove();
+ }
+ }
+ }
+
+ void cleanup() {
+ mBluetoothMapReceiver.cleanup();
+ mTTSHelper.cleanup();
+ }
+
+ // Used to monitor for new incoming messages and sent-message broadcast.
+ private class BluetoothMapReceiver extends BroadcastReceiver {
+ BluetoothMapReceiver() {
+ if (DBG) {
+ Log.d(TAG, "Registering receiver for new messages");
+ }
+ IntentFilter intentFilter = new IntentFilter();
+ intentFilter.addAction(BluetoothMapClient.ACTION_MESSAGE_SENT_SUCCESSFULLY);
+ intentFilter.addAction(BluetoothMapClient.ACTION_MESSAGE_RECEIVED);
+ mContext.registerReceiver(this, intentFilter);
+ }
+
+ void cleanup() {
+ mContext.unregisterReceiver(this);
+ }
+
+ @Override
+ public void onReceive(Context context, Intent intent) {
+ if (BluetoothMapClient.ACTION_MESSAGE_SENT_SUCCESSFULLY.equals(intent.getAction())) {
+ if (DBG) {
+ Log.d(TAG, "SMS was sent successfully!");
+ }
+ } else if (BluetoothMapClient.ACTION_MESSAGE_RECEIVED.equals(intent.getAction())) {
+ handleNewMessage(intent);
+ } else {
+ Log.w(TAG, "Ignoring unknown broadcast " + intent.getAction());
+ }
+ }
+ }
+
+ /**
+ * Key used in HashMap that is composed from a BT device-address and device-specific "sub key"
+ */
+ private abstract static class CompositeKey {
+ final String mDeviceAddress;
+ final String mSubKey;
+
+ CompositeKey(String deviceAddress, String subKey) {
+ mDeviceAddress = deviceAddress;
+ mSubKey = subKey;
+ }
+
+ @Override
+ public boolean equals(Object o) {
+ if (this == o) {
+ return true;
+ }
+ if (o == null || getClass() != o.getClass()) {
+ return false;
+ }
+
+ CompositeKey that = (CompositeKey) o;
+ return Objects.equals(mDeviceAddress, that.mDeviceAddress)
+ && Objects.equals(mSubKey, that.mSubKey);
+ }
+
+ boolean matches(String deviceAddress) {
+ return mDeviceAddress.equals(deviceAddress);
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(mDeviceAddress, mSubKey);
+ }
+
+ @Override
+ public String toString() {
+ return String.format("%s, deviceAddress: %s, subKey: %s",
+ getClass().getSimpleName(), mDeviceAddress, mSubKey);
+ }
+ }
+
+ /**
+ * {@link CompositeKey} subclass used to identify specific messages; it uses message-handle as
+ * the secondary key.
+ */
+ private static class MessageKey extends CompositeKey {
+ MessageKey(MapMessage message) {
+ super(message.getDevice().getAddress(), message.getHandle());
+ }
+ }
+
+ /**
+ * CompositeKey used to identify Notification info for a sender; it uses a combination of
+ * senderContactUri and senderContactName as the secondary key.
+ */
+ static class SenderKey extends CompositeKey implements Parcelable {
+ private SenderKey(String deviceAddress, String key) {
+ super(deviceAddress, key);
+ }
+
+ SenderKey(MapMessage message) {
+ // Use a combination of senderName and senderContactUri for key. Ideally we would use
+ // only senderContactUri (which is encoded phone no.). However since some phones don't
+ // provide these, we fall back to senderName. Since senderName may not be unique, we
+ // include senderContactUri also to provide uniqueness in cases it is available.
+ this(message.getDevice().getAddress(),
+ message.getSenderName() + "/" + message.getSenderContactUri());
+ }
+
+ @Override
+ public int describeContents() {
+ return 0;
+ }
+
+ @Override
+ public void writeToParcel(Parcel dest, int flags) {
+ dest.writeString(mDeviceAddress);
+ dest.writeString(mSubKey);
+ }
+
+ public static final Parcelable.Creator<SenderKey> CREATOR =
+ new Parcelable.Creator<SenderKey>() {
+ @Override
+ public SenderKey createFromParcel(Parcel source) {
+ return new SenderKey(source.readString(), source.readString());
+ }
+
+ @Override
+ public SenderKey[] newArray(int size) {
+ return new SenderKey[size];
+ }
+ };
+ }
+
+ /**
+ * Information about a single notification that is displayed.
+ */
+ private static class NotificationInfo {
+ private static int NEXT_NOTIFICATION_ID = 0;
+
+ final int mNotificationId = NEXT_NOTIFICATION_ID++;
+ final String mSenderName;
+ @Nullable
+ final String mSenderContactUri;
+ final List<MessageKey> mMessageKeys = new LinkedList<>();
+
+ NotificationInfo(String senderName, @Nullable String senderContactUri) {
+ mSenderName = senderName;
+ mSenderContactUri = senderContactUri;
+ }
+ }
+}
diff --git a/src/com/android/car/messenger/MessengerReceiver.java b/src/com/android/car/messenger/MessengerReceiver.java
new file mode 100644
index 0000000..c3af2f8
--- /dev/null
+++ b/src/com/android/car/messenger/MessengerReceiver.java
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2017 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.android.car.messenger;
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.util.Log;
+
+/**
+ * Minimal receiver that starts up MessengerService on boot-completion.
+ */
+public class MessengerReceiver extends BroadcastReceiver {
+ @Override
+ public void onReceive(Context context, Intent intent) {
+ Intent startIntent =
+ new Intent(MessengerService.ACTION_START).setClass(context, MessengerService.class);
+ context.startService(startIntent);
+ }
+}
diff --git a/src/com/android/car/messenger/MessengerService.java b/src/com/android/car/messenger/MessengerService.java
new file mode 100644
index 0000000..c2de6aa
--- /dev/null
+++ b/src/com/android/car/messenger/MessengerService.java
@@ -0,0 +1,234 @@
+/*
+ * Copyright (C) 2017 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.android.car.messenger;
+
+import android.app.Service;
+import android.bluetooth.BluetoothAdapter;
+import android.bluetooth.BluetoothDevice;
+import android.bluetooth.BluetoothMapClient;
+import android.bluetooth.BluetoothProfile;
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.content.IntentFilter;
+import android.os.IBinder;
+import android.util.Log;
+import android.widget.Toast;
+
+/**
+ * Background started service that hosts messaging components.
+ * <p>
+ * The MapConnector manages connecting to the BT MAP service and the MapMessageMonitor listens for
+ * new incoming messages and publishes notifications. Actions in the notifications trigger command
+ * intents to this service (e.g. auto-reply, play message).
+ * <p>
+ * This service and its helper components run entirely in the main thread.
+ */
+public class MessengerService extends Service {
+ static final String TAG = "MessengerService";
+ static final boolean DBG = Log.isLoggable(TAG, Log.DEBUG);
+ static final boolean VDBG = Log.isLoggable(TAG, Log.VERBOSE);
+
+ // Used to start this service at boot-complete. Takes no arguments.
+ static final String ACTION_START = "com.android.car.messenger.ACTION_START";
+ // Used to auto-reply to messages from a sender (invoked from Notification).
+ static final String ACTION_AUTO_REPLY = "com.android.car.messenger.ACTION_AUTO_REPLY";
+ // Used to play-out messages from a sender (invoked from Notification).
+ static final String ACTION_PLAY_MESSAGES = "com.android.car.messenger.ACTION_PLAY_MESSAGES";
+ // Used to clear notification state when user dismisses notification.
+ static final String ACTION_CLEAR_NOTIFICATION_STATE =
+ "com.android.car.messenger.ACTION_CLEAR_NOTIFICATION_STATE";
+ // Used to stop current play-out (invoked from Notification).
+ static final String ACTION_STOP_PLAYOUT = "com.android.car.messenger.ACTION_STOP_PLAYOUT";
+
+ // Common extra for ACTION_AUTO_REPLY and ACTION_PLAY_MESSAGES.
+ static final String EXTRA_SENDER_KEY = "com.android.car.messenger.EXTRA_SENDER_KEY";
+
+ private MapMessageMonitor mMessageMonitor;
+ private MapDeviceMonitor mDeviceMonitor;
+ private BluetoothMapClient mMapClient;
+
+ @Override
+ public void onCreate() {
+ if (DBG) {
+ Log.d(TAG, "onCreate");
+ }
+
+ mMessageMonitor = new MapMessageMonitor(this);
+ mDeviceMonitor = new MapDeviceMonitor();
+ connectToMap();
+ }
+
+ private void connectToMap() {
+ if (DBG) {
+ Log.d(TAG, "Connecting to MAP service");
+ }
+ BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter();
+ if (adapter == null) {
+ // This *should* never happen. Unless there's some severe internal error?
+ Log.wtf(TAG, "BluetoothAdapter is null! Internal error?");
+ return;
+ }
+
+ if (!adapter.getProfileProxy(this, mMapServiceListener, BluetoothProfile.MAP_CLIENT)) {
+ // This *should* never happen. Unless arguments passed are incorrect somehow...
+ Log.wtf(TAG, "Unable to get MAP profile! Possible programmer error?");
+ return;
+ }
+ }
+
+ @Override
+ public int onStartCommand(Intent intent, int flags, int startId) {
+ if (DBG) {
+ Log.d(TAG, "Handling intent: " + intent.getAction());
+ }
+
+ // Service will be restarted even if its killed/dies. It will never stop itself.
+ // It may be restarted with null intent or one of the other intents e.g. REPLY, PLAY etc.
+ final int result = START_STICKY;
+
+ if (intent == null || ACTION_START.equals(intent.getAction())) {
+ // These are NO-OP's since they're just used to bring up this service.
+ return result;
+ }
+
+ if (!hasRequiredArgs(intent)) {
+ return result;
+ }
+ switch (intent.getAction()) {
+ case ACTION_AUTO_REPLY:
+ boolean success;
+ if (mMapClient != null) {
+ success = mMessageMonitor.sendAutoReply(
+ intent.getParcelableExtra(EXTRA_SENDER_KEY), mMapClient);
+ } else {
+ Log.e(TAG, "Unable to send reply; MAP profile disconnected!");
+ success = false;
+ }
+ if (!success) {
+ Toast.makeText(this, R.string.auto_reply_failed_message, Toast.LENGTH_SHORT)
+ .show();
+ }
+ break;
+ case ACTION_PLAY_MESSAGES:
+ mMessageMonitor.playMessages(intent.getParcelableExtra(EXTRA_SENDER_KEY));
+ break;
+ case ACTION_STOP_PLAYOUT:
+ mMessageMonitor.stopPlayout();
+ break;
+ case ACTION_CLEAR_NOTIFICATION_STATE:
+ mMessageMonitor.clearNotificationState(intent.getParcelableExtra(EXTRA_SENDER_KEY));
+ break;
+ default:
+ Log.e(TAG, "Ignoring unknown intent: " + intent.getAction());
+ }
+ return result;
+ }
+
+ private boolean hasRequiredArgs(Intent intent) {
+ switch (intent.getAction()) {
+ case ACTION_AUTO_REPLY:
+ case ACTION_PLAY_MESSAGES:
+ case ACTION_CLEAR_NOTIFICATION_STATE:
+ if (!intent.hasExtra(EXTRA_SENDER_KEY)) {
+ Log.w(TAG, "Intent is missing sender-key extra: " + intent.getAction());
+ return false;
+ }
+ return true;
+ case ACTION_STOP_PLAYOUT:
+ // No args.
+ return true;
+ default:
+ // For unknown actions, default to true. We'll report error on these later.
+ return true;
+ }
+ }
+
+ @Override
+ public void onDestroy() {
+ if (DBG) {
+ Log.d(TAG, "onDestroy");
+ }
+ if (mMapClient != null) {
+ mMapClient.close();
+ }
+ mDeviceMonitor.cleanup();
+ mMessageMonitor.cleanup();
+ }
+
+ @Override
+ public IBinder onBind(Intent intent) {
+ return null;
+ }
+
+ // NOTE: These callbacks are invoked on the main thread.
+ private final BluetoothProfile.ServiceListener mMapServiceListener =
+ new BluetoothProfile.ServiceListener() {
+ @Override
+ public void onServiceConnected(int profile, BluetoothProfile proxy) {
+ mMapClient = (BluetoothMapClient) proxy;
+ if (MessengerService.DBG) {
+ Log.d(TAG, "Connected to MAP service!");
+ }
+
+ // Since we're connected, we will received broadcasts for any new messages
+ // in the MapMessageMonitor.
+ }
+
+ @Override
+ public void onServiceDisconnected(int profile) {
+ if (MessengerService.DBG) {
+ Log.d(TAG, "Disconnected from MAP service!");
+ }
+ mMapClient = null;
+ mMessageMonitor.handleMapDisconnect();
+ }
+ };
+
+ private class MapDeviceMonitor extends BroadcastReceiver {
+ MapDeviceMonitor() {
+ if (DBG) {
+ Log.d(TAG, "Registering Map device monitor");
+ }
+ IntentFilter intentFilter = new IntentFilter();
+ intentFilter.addAction(BluetoothMapClient.ACTION_CONNECTION_STATE_CHANGED);
+ registerReceiver(this, intentFilter, android.Manifest.permission.BLUETOOTH, null);
+ }
+
+ void cleanup() {
+ unregisterReceiver(this);
+ }
+
+ @Override
+ public void onReceive(Context context, Intent intent) {
+ int state = intent.getIntExtra(BluetoothProfile.EXTRA_STATE, -1);
+ int previousState = intent.getIntExtra(BluetoothProfile.EXTRA_PREVIOUS_STATE, -1);
+ BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
+ if (state == -1 || previousState == -1 || device == null) {
+ Log.w(TAG, "Skipping broadcast, missing required extra");
+ return;
+ }
+ if (previousState == BluetoothProfile.STATE_CONNECTED
+ && state != BluetoothProfile.STATE_CONNECTED) {
+ if (DBG) {
+ Log.d(TAG, "Device losing MAP connection: " + device);
+ }
+ mMessageMonitor.handleDeviceDisconnect(device);
+ }
+ }
+ }
+}
diff --git a/src/com/android/car/messenger/TTSHelper.java b/src/com/android/car/messenger/TTSHelper.java
new file mode 100644
index 0000000..ff8ed3b
--- /dev/null
+++ b/src/com/android/car/messenger/TTSHelper.java
@@ -0,0 +1,181 @@
+/*
+ * Copyright (C) 2017 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.android.car.messenger;
+
+import android.content.Context;
+import android.os.Handler;
+import android.speech.tts.TextToSpeech;
+import android.speech.tts.UtteranceProgressListener;
+import android.util.Log;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.function.Consumer;
+
+/**
+ * Component that wraps platform TTS engine and supports queued playout.
+ * <p>
+ * It takes care of initializing the TTS engine. TTS requests made are queued up and played when the
+ * engine is setup. It only supports one queued requests; any new requests will cause the existing
+ * one to be dropped. Similarly, if a new one is queued while an existing message is already playing
+ * the existing one will be stopped/interrupted and the new one will start playing.
+ */
+class TTSHelper {
+ interface Listener {
+ // Called when playout is about to start.
+ void onTTSStarted();
+
+ // The following two are terminal callbacks and no further callbacks should be expected.
+ // Called when playout finishes or playout is cancelled/never started because another TTS
+ // request was made.
+ void onTTSStopped();
+ // Called when there's an internal error.
+ void onTTSError();
+ }
+
+ private static final String TAG = "Messenger.TTSHelper";
+ private static final boolean DBG = MessengerService.DBG;
+
+ private final Handler mHandler = new Handler();
+ private final TextToSpeech mTextToSpeech;
+ private int mInitStatus;
+ private SpeechRequest mPendingRequest;
+ private final Map<String, Listener> mListeners = new HashMap<>();
+
+ TTSHelper(Context context) {
+ // OnInitListener will only set to SUCCESS/ERROR. So we initialize to STOPPED.
+ mInitStatus = TextToSpeech.STOPPED;
+ // TODO(sriniv): Init this only when needed and shutdown to free resources.
+ mTextToSpeech = new TextToSpeech(context, this::handleInitCompleted);
+ mTextToSpeech.setOnUtteranceProgressListener(mProgressListener);
+ }
+
+ private void handleInitCompleted(int initStatus) {
+ if (DBG) {
+ Log.d(TAG, "init completed: " + initStatus);
+ }
+ mInitStatus = initStatus;
+ if (mPendingRequest != null) {
+ playInternal(mPendingRequest.mTextToSpeak, mPendingRequest.mListener);
+ mPendingRequest = null;
+ }
+ }
+
+ void requestPlay(CharSequence textToSpeak, Listener listener) {
+ // Check if its still initializing.
+ if (mInitStatus == TextToSpeech.STOPPED) {
+ // Squash any already queued request.
+ if (mPendingRequest != null) {
+ mPendingRequest.mListener.onTTSStopped();
+ }
+ mPendingRequest = new SpeechRequest(textToSpeak, listener);
+ } else {
+ playInternal(textToSpeak, listener);
+ }
+ }
+
+ void requestStop() {
+ mTextToSpeech.stop();
+ }
+
+ private void playInternal(CharSequence textToSpeak, Listener listener) {
+ if (mInitStatus == TextToSpeech.ERROR) {
+ Log.e(TAG, "TTS setup failed!");
+ mHandler.post(listener::onTTSError);
+ return;
+ }
+
+ String id = Integer.toString(listener.hashCode());
+ if (DBG) {
+ Log.d(TAG, String.format("Queueing text in TTS: [%s], id=%s", textToSpeak, id));
+ }
+ if (mTextToSpeech.speak(textToSpeak, TextToSpeech.QUEUE_FLUSH, null, id)
+ != TextToSpeech.SUCCESS) {
+ Log.e(TAG, "Queuing text failed!");
+ mHandler.post(listener::onTTSError);
+ return;
+ }
+ mListeners.put(id, listener);
+ }
+
+ void cleanup() {
+ mTextToSpeech.stop();
+ mTextToSpeech.shutdown();
+ }
+
+ // The TTS engine will invoke onStart and then invoke either onDone, onStop or onError.
+ // Since these callbacks can come on other threads, we push updates back on to the TTSHelper's
+ // Handler.
+ private final UtteranceProgressListener mProgressListener = new UtteranceProgressListener() {
+ private void safeInvokeAsync(String id, boolean cleanup,
+ Consumer<Listener> callbackCaller) {
+ mHandler.post(() -> {
+ Listener listener = mListeners.get(id);
+ if (listener == null) {
+ Log.e(TAG, "No listener found for: " + id);
+ return;
+ }
+ callbackCaller.accept(listener);
+ if (cleanup) {
+ mListeners.remove(id);
+ }
+ });
+ }
+
+ @Override
+ public void onStart(String id) {
+ if (DBG) {
+ Log.d(TAG, "TTS engine onStart: " + id);
+ }
+ safeInvokeAsync(id, false, Listener::onTTSStarted);
+ }
+
+ @Override
+ public void onDone(String id) {
+ if (DBG) {
+ Log.d(TAG, "TTS engine onDone: " + id);
+ }
+ safeInvokeAsync(id, true, Listener::onTTSStopped);
+ }
+
+ @Override
+ public void onStop(String id, boolean interrupted) {
+ if (DBG) {
+ Log.d(TAG, "TTS engine onStop: " + id);
+ }
+ safeInvokeAsync(id, true, Listener::onTTSStopped);
+ }
+
+ @Override
+ public void onError(String id) {
+ if (DBG) {
+ Log.d(TAG, "TTS engine onError: " + id);
+ }
+ safeInvokeAsync(id, true, Listener::onTTSError);
+ }
+ };
+
+ private static class SpeechRequest {
+ final CharSequence mTextToSpeak;
+ final Listener mListener;
+
+ public SpeechRequest(CharSequence textToSpeak, Listener listener) {
+ mTextToSpeak = textToSpeak;
+ mListener = listener;
+ }
+ };
+}
