Initial Commit

Application/build.gradle

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+buildscript {
+    repositories {
+        mavenCentral()
+    }
+
+    dependencies {
+        classpath 'com.android.tools.build:gradle:0.12.+'
+    }
+}
+
+apply plugin: 'com.android.application'
+
+
+dependencies {
+
+    compile "com.android.support:support-v4:21.+"
+    compile "com.android.support:support-v13:21.+"
+    compile "com.android.support:cardview-v7:21.+"
+
+}
+
+// The sample build uses multiple directories to
+// keep boilerplate and common code separate from
+// the main sample code.
+List<String> dirs = [
+    'main',     // main sample code; look here for the interesting stuff.
+    'common',   // components that are reused by multiple samples
+    'template'] // boilerplate code that is generated by the sample template process
+
+android {
+    compileSdkVersion 21
+    buildToolsVersion "21.0.0"
+
+    defaultConfig {
+        minSdkVersion 21
+        targetSdkVersion 21
+    }
+
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_7
+        targetCompatibility JavaVersion.VERSION_1_7
+    }
+
+    sourceSets {
+        main {
+            dirs.each { dir ->
+                java.srcDirs "src/${dir}/java"
+                res.srcDirs "src/${dir}/res"
+            }
+        }
+        androidTest.setRoot('tests')
+        androidTest.java.srcDirs = ['tests/src']
+
+    }
+
+}
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

Application/src/main/AndroidManifest.xml

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+<!--
+  Copyright (C) 2014 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.example.android.messagingservice">
+
+    <application android:allowBackup="true"
+        android:label="@string/app_name"
+        android:icon="@drawable/ic_launcher"
+        android:theme="@style/AppTheme">
+
+        <meta-data android:name="com.google.android.gms.car.application"
+                   android:resource="@xml/automotive_app_desc"/>
+
+        <activity
+            android:name=".MainActivity"
+            android:label="@string/app_name" >
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+
+        <service android:name=".MessagingService">
+        </service>
+
+        <receiver android:name=".MessageReadReceiver">
+            <intent-filter>
+                <action android:name="com.example.android.messagingservice.ACTION_MESSAGE_READ"/>
+            </intent-filter>
+        </receiver>
+
+        <receiver android:name=".MessageReplyReceiver">
+            <intent-filter>
+                <action android:name="com.example.android.messagingservice.ACTION_MESSAGE_REPLY"/>
+            </intent-filter>
+        </receiver>
+    </application>
+</manifest>

Application/src/main/java/com/example/android/messagingservice/Conversations.java

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+/*
+ * Copyright (C) 2014 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.android.messagingservice;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+import java.util.concurrent.ThreadLocalRandom;
+
+/**
+ * A simple class that denotes unread conversations and messages. In a real world application,
+ * this would be replaced by a content provider that actually gets the unread messages to be
+ * shown to the user.
+ */
+public class Conversations {
+
+    /**
+     * Set of strings used as messages by the sample.
+     */
+    private static final String[] MESSAGES = new String[]{
+            "Are you at home?",
+            "Can you give me a call?",
+            "Hey yt?",
+            "Don't forget to get some milk on your way back home",
+            "Is that project done?",
+            "Did you finish the Messaging app yet?"
+    };
+
+    /**
+     * Senders of the said messages.
+     */
+    private static final String[] PARTICIPANTS = new String[]{
+            "John Smith",
+            "Robert Lawrence",
+            "James Smith",
+            "Jane Doe"
+    };
+
+    static class Conversation {
+
+        private final int conversationId;
+
+        private final String participantName;
+
+        /**
+         * A given conversation can have a single or multiple messages.
+         * Note that the messages are sorted from *newest* to *oldest*
+         */
+        private final List<String> messages;
+
+        private final long timestamp;
+
+        public Conversation(int conversationId, String participantName,
+                            List<String> messages) {
+            this.conversationId = conversationId;
+            this.participantName = participantName;
+            this.messages = messages == null ? Collections.<String>emptyList() : messages;
+            this.timestamp = System.currentTimeMillis();
+        }
+
+        public int getConversationId() {
+            return conversationId;
+        }
+
+        public String getParticipantName() {
+            return participantName;
+        }
+
+        public List<String> getMessages() {
+            return messages;
+        }
+
+        public long getTimestamp() {
+            return timestamp;
+        }
+
+        public String toString() {
+            return "[Conversation: conversationId=" + conversationId +
+                    ", participantName=" + participantName +
+                    ", messages=" + messages +
+                    ", timestamp=" + timestamp + "]";
+        }
+    }
+
+    private Conversations() {
+    }
+
+    public static Conversation[] getUnreadConversations(int howManyConversations,
+                                                        int messagesPerConversation) {
+        Conversation[] conversations = new Conversation[howManyConversations];
+        for (int i = 0; i < howManyConversations; i++) {
+            conversations[i] = new Conversation(
+                    ThreadLocalRandom.current().nextInt(),
+                    name(), makeMessages(messagesPerConversation));
+        }
+        return conversations;
+    }
+
+    private static List<String> makeMessages(int messagesPerConversation) {
+        int maxLen = MESSAGES.length;
+        List<String> messages = new ArrayList<>(messagesPerConversation);
+        for (int i = 0; i < messagesPerConversation; i++) {
+            messages.add(MESSAGES[ThreadLocalRandom.current().nextInt(0, maxLen)]);
+        }
+        return messages;
+    }
+
+    private static String name() {
+        return PARTICIPANTS[ThreadLocalRandom.current().nextInt(0, PARTICIPANTS.length)];
+    }
+}

Application/src/main/java/com/example/android/messagingservice/MainActivity.java

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+/*
+ * Copyright (C) 2014 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.android.messagingservice;
+
+import android.app.Activity;
+import android.os.Bundle;
+
+public class MainActivity extends Activity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+        if (savedInstanceState == null) {
+            getFragmentManager().beginTransaction()
+                    .add(R.id.container, new MessagingFragment())
+                    .commit();
+        }
+    }
+}

Application/src/main/java/com/example/android/messagingservice/MessageLogger.java

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+/*
+ * Copyright (C) 2014 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.android.messagingservice;
+
+import android.content.Context;
+import android.content.SharedPreferences;
+
+import java.text.SimpleDateFormat;
+import java.util.Date;
+
+/**
+ * A simple logger that uses shared preferences to log messages, their reads
+ * and replies. Don't use this in a real world application. This logger is only
+ * used for displaying the messages in the text view.
+ */
+public class MessageLogger {
+
+    private static final String PREF_MESSAGE = "MESSAGE_LOGGER";
+    private static final SimpleDateFormat DATE_FORMAT = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
+
+    public static final String LOG_KEY = "message_data";
+    public static final String LINE_BREAKS = "\n\n";
+
+    public static void logMessage(Context context, String message) {
+        SharedPreferences prefs = getPrefs(context);
+        message = DATE_FORMAT.format(new Date(System.currentTimeMillis())) + ": " + message;
+        prefs.edit()
+                .putString(LOG_KEY, prefs.getString(LOG_KEY, "") + LINE_BREAKS + message)
+                .apply();
+    }
+
+    public static SharedPreferences getPrefs(Context context) {
+        return context.getSharedPreferences(PREF_MESSAGE, Context.MODE_PRIVATE);
+    }
+
+    public static String getAllMessages(Context context) {
+        return getPrefs(context).getString(LOG_KEY, "");
+    }
+
+    public static void clear(Context context) {
+        getPrefs(context).edit().remove(LOG_KEY).apply();
+    }
+}

Application/src/main/java/com/example/android/messagingservice/MessageReadReceiver.java

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+/*
+ * Copyright (C) 2014 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.android.messagingservice;
+
+import android.app.NotificationManager;
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.support.v4.app.NotificationManagerCompat;
+import android.util.Log;
+
+public class MessageReadReceiver extends BroadcastReceiver {
+    private static final String TAG = MessageReadReceiver.class.getSimpleName();
+
+    private static final String CONVERSATION_ID = "conversation_id";
+
+    @Override
+    public void onReceive(Context context, Intent intent) {
+        Log.d(TAG, "onReceive");
+        int conversationId = intent.getIntExtra(CONVERSATION_ID, -1);
+        if (conversationId != -1) {
+            Log.d(TAG, "Conversation " + conversationId + " was read");
+            MessageLogger.logMessage(context, "Conversation " + conversationId + " was read.");
+            NotificationManagerCompat notificationManager = NotificationManagerCompat.from(context);
+            notificationManager.cancel(conversationId);
+        }
+    }
+}