Add Kotlin version of NotificationChannels sample

Test: assembleDebug and ran on device
Change-Id: Ibe1877705ccf0206e1a41f0f34336a4e2aeb6937

31 files changed, 998 insertions, 0 deletions

diff --git a/notification/NotificationChannels/kotlinApp/Application/build.gradle b/notification/NotificationChannels/kotlinApp/Application/build.gradle
new file mode 100644
index 00000000..89d1fae8
--- /dev/null
+++ b/notification/NotificationChannels/kotlinApp/Application/build.gradle
@@ -0,0 +1,62 @@
+buildscript {
+    repositories {
+        jcenter()
+    }
+    ext.kotlin_version = '1.1.2-3'
+    dependencies {
+        classpath 'com.android.tools.build:gradle:2.3.0'
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+    }
+}
+
+apply plugin: 'com.android.application'
+apply plugin: 'kotlin-android'
+apply plugin: 'kotlin-android-extensions'
+
+repositories {
+    jcenter()
+}
+
+dependencies {
+    compile "com.android.support:support-v4:25.3.1"
+    compile "com.android.support:support-v13:25.3.1"
+    compile "com.android.support:cardview-v7:25.3.1"
+    compile "com.android.support:appcompat-v7:25.3.1"
+    compile "org.jetbrains.kotlin:kotlin-stdlib-jre7:$kotlin_version"
+}
+
+// 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 "android-O"
+    buildToolsVersion "25.0.3"
+
+    defaultConfig {
+        minSdkVersion 21
+        targetSdkVersion "android-O"
+    }
+
+    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']
+
+    }
+
+}
diff --git a/notification/NotificationChannels/kotlinApp/Application/src/main/AndroidManifest.xml b/notification/NotificationChannels/kotlinApp/Application/src/main/AndroidManifest.xml
new file mode 100644
index 00000000..9365d918
--- /dev/null
+++ b/notification/NotificationChannels/kotlinApp/Application/src/main/AndroidManifest.xml
@@ -0,0 +1,36 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ Copyright 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.example.android.notificationchannels"
+    android:versionCode="1"
+    android:versionName="1.0">
+
+    <application android:allowBackup="true"
+        android:label="@string/app_name"
+        android:icon="@mipmap/ic_launcher"
+        android:theme="@style/AppTheme">
+
+        <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>
+    </application>
+</manifest>
diff --git a/notification/NotificationChannels/kotlinApp/Application/src/main/java/com/example/android/notificationchannels/MainActivity.kt b/notification/NotificationChannels/kotlinApp/Application/src/main/java/com/example/android/notificationchannels/MainActivity.kt
new file mode 100644
index 00000000..faa8db6a
--- /dev/null
+++ b/notification/NotificationChannels/kotlinApp/Application/src/main/java/com/example/android/notificationchannels/MainActivity.kt
@@ -0,0 +1,145 @@
+/*
+* Copyright 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.example.android.notificationchannels
+
+import android.app.Activity
+import android.content.Intent
+import android.os.Bundle
+import android.provider.Settings
+import android.util.Log
+import android.view.View
+import android.widget.Button
+import kotlinx.android.synthetic.main.activity_main.*
+
+/**
+ * Display main screen for sample. Displays controls for sending test notifications.
+ */
+class MainActivity : Activity() {
+
+    private lateinit var ui: MainUi
+
+    /*
+     * Class for managing notifications
+     */
+    private lateinit var helper: NotificationHelper
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_main)
+        ui = MainUi(activity_main)
+        helper = NotificationHelper(this)
+    }
+
+    /**
+     * Send activity notifications.
+
+     * @param id The ID of the notification to create
+     * *
+     * @param title The title of the notification
+     */
+    fun sendNotification(id: Int, title: String) {
+        when (id) {
+            NOTI_PRIMARY1 -> helper.notify(
+                    id, helper.getNotification1(title, getString(R.string.primary1_body)))
+            NOTI_PRIMARY2 -> helper.notify(
+                    id, helper.getNotification1(title, getString(R.string.primary2_body)))
+            NOTI_SECONDARY1 -> helper.notify(
+                    id, helper.getNotification2(title, getString(R.string.secondary1_body)))
+            NOTI_SECONDARY2 -> helper.notify(
+                    id, helper.getNotification2(title, getString(R.string.secondary2_body)))
+        }
+    }
+
+    /**
+     * Send Intent to load system Notification Settings for this app.
+     */
+    fun goToNotificationSettings() {
+        val i = Intent(Settings.ACTION_APP_NOTIFICATION_SETTINGS)
+        i.putExtra(Settings.EXTRA_APP_PACKAGE, packageName)
+        startActivity(i)
+    }
+
+    /**
+     * Send intent to load system Notification Settings UI for a particular channel.
+
+     * @param channel Name of channel to configure
+     */
+    fun goToNotificationSettings(channel: String) {
+        val i = Intent(Settings.ACTION_CHANNEL_NOTIFICATION_SETTINGS)
+        i.putExtra(Settings.EXTRA_APP_PACKAGE, packageName)
+        i.putExtra(Settings.EXTRA_CHANNEL_ID, channel)
+        startActivity(i)
+    }
+
+    /**
+     * View model for interacting with Activity UI elements. (Keeps core logic for sample
+     * seperate.)
+     */
+    internal inner class MainUi (root: View) : View.OnClickListener {
+
+        init {
+            main_primary_send1.setOnClickListener(this)
+            main_primary_send2.setOnClickListener(this)
+            main_primary_config.setOnClickListener(this)
+
+            main_secondary_send1.setOnClickListener(this)
+            main_secondary_send2.setOnClickListener(this)
+            main_secondary_config.setOnClickListener(this)
+
+            (root.findViewById<View>(R.id.btnA) as Button).setOnClickListener(this)
+        }
+
+        private val titlePrimaryText: String
+            get() {
+                if (main_primary_title != null) {
+                    return main_primary_title.text.toString()
+                }
+                return ""
+            }
+
+        private val titleSecondaryText: String
+            get() {
+                if (main_primary_title != null) {
+                    return main_secondary_title.text.toString()
+                }
+                return ""
+            }
+
+        override fun onClick(view: View) {
+            when (view.id) {
+                R.id.main_primary_send1 -> sendNotification(NOTI_PRIMARY1, titlePrimaryText)
+                R.id.main_primary_send2 -> sendNotification(NOTI_PRIMARY2, titlePrimaryText)
+                R.id.main_primary_config -> goToNotificationSettings(NotificationHelper.PRIMARY_CHANNEL)
+
+                R.id.main_secondary_send1 -> sendNotification(NOTI_SECONDARY1, titleSecondaryText)
+                R.id.main_secondary_send2 -> sendNotification(NOTI_SECONDARY2, titleSecondaryText)
+                R.id.main_secondary_config -> goToNotificationSettings(NotificationHelper.SECONDARY_CHANNEL)
+                R.id.btnA -> goToNotificationSettings()
+                else -> Log.e(TAG, "Unknown click event.")
+            }
+        }
+    }
+
+    companion object {
+        private val TAG = MainActivity::class.java.simpleName
+
+        private val NOTI_PRIMARY1 = 1100
+        private val NOTI_PRIMARY2 = 1101
+        private val NOTI_SECONDARY1 = 1200
+        private val NOTI_SECONDARY2 = 1201
+    }
+}
diff --git a/notification/NotificationChannels/kotlinApp/Application/src/main/java/com/example/android/notificationchannels/NotificationHelper.kt b/notification/NotificationChannels/kotlinApp/Application/src/main/java/com/example/android/notificationchannels/NotificationHelper.kt
new file mode 100644
index 00000000..f758d844
--- /dev/null
+++ b/notification/NotificationChannels/kotlinApp/Application/src/main/java/com/example/android/notificationchannels/NotificationHelper.kt
@@ -0,0 +1,116 @@
+/*
+* Copyright 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.example.android.notificationchannels
+
+import android.app.Notification
+import android.app.NotificationChannel
+import android.app.NotificationManager
+import android.content.Context
+import android.content.ContextWrapper
+import android.graphics.Color
+
+/**
+ * Helper class to manage notification channels, and create notifications.
+ */
+internal class NotificationHelper
+/**
+ * Registers notification channels, which can be used later by individual notifications.
+
+ * @param ctx The application context
+ */
+(ctx: Context) : ContextWrapper(ctx) {
+    private val manager: NotificationManager by lazy {
+        getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager
+    }
+
+    init {
+
+        val chan1 = NotificationChannel(PRIMARY_CHANNEL,
+                getString(R.string.noti_channel_default), NotificationManager.IMPORTANCE_DEFAULT)
+        chan1.lightColor = Color.GREEN
+        chan1.lockscreenVisibility = Notification.VISIBILITY_PRIVATE
+        manager.createNotificationChannel(chan1)
+
+        val chan2 = NotificationChannel(SECONDARY_CHANNEL,
+                getString(R.string.noti_channel_second), NotificationManager.IMPORTANCE_HIGH)
+        chan2.lightColor = Color.BLUE
+        chan2.lockscreenVisibility = Notification.VISIBILITY_PUBLIC
+        manager.createNotificationChannel(chan2)
+    }
+
+    /**
+     * Get a notification of type 1
+
+     * Provide the builder rather than the notification it's self as useful for making notification
+     * changes.
+
+     * @param title the title of the notification
+     * *
+     * @param body the body text for the notification
+     * *
+     * @return the builder as it keeps a reference to the notification (since API 24)
+     */
+    fun getNotification1(title: String, body: String): Notification.Builder {
+        return Notification.Builder(applicationContext, PRIMARY_CHANNEL)
+                .setContentTitle(title)
+                .setContentText(body)
+                .setSmallIcon(smallIcon)
+                .setAutoCancel(true)
+    }
+
+    /**
+     * Build notification for secondary channel.
+
+     * @param title Title for notification.
+     * *
+     * @param body Message for notification.
+     * *
+     * @return A Notification.Builder configured with the selected channel and details
+     */
+    fun getNotification2(title: String, body: String): Notification.Builder {
+        return Notification.Builder(applicationContext, SECONDARY_CHANNEL)
+                .setContentTitle(title)
+                .setContentText(body)
+                .setSmallIcon(smallIcon)
+                .setAutoCancel(true)
+    }
+
+    /**
+     * Send a notification.
+
+     * @param id The ID of the notification
+     * *
+     * @param notification The notification object
+     */
+    fun notify(id: Int, notification: Notification.Builder) {
+        manager.notify(id, notification.build())
+    }
+
+    /**
+     * Get the small icon for this app
+
+     * @return The small icon resource id
+     */
+    private val smallIcon: Int
+        get() = android.R.drawable.stat_notify_chat
+
+
+    companion object {
+        val PRIMARY_CHANNEL = "default"
+        val SECONDARY_CHANNEL = "second"
+    }
+}
diff --git a/notification/NotificationChannels/kotlinApp/Application/src/main/res/drawable-hdpi/tile.9.png b/notification/NotificationChannels/kotlinApp/Application/src/main/res/drawable-hdpi/tile.9.png
new file mode 100644
index 00000000..13586288
--- /dev/null
+++ b/notification/NotificationChannels/kotlinApp/Application/src/main/res/drawable-hdpi/tile.9.png
diff --git a/notification/NotificationChannels/kotlinApp/Application/src/main/res/layout/activity_main.xml b/notification/NotificationChannels/kotlinApp/Application/src/main/res/layout/activity_main.xml
new file mode 100644
index 00000000..6bf04024
--- /dev/null
+++ b/notification/NotificationChannels/kotlinApp/Application/src/main/res/layout/activity_main.xml
@@ -0,0 +1,112 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/activity_main"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:paddingBottom="@dimen/activity_vertical_margin"
+    android:paddingLeft="@dimen/activity_horizontal_margin"
+    android:paddingRight="@dimen/activity_horizontal_margin"
+    android:paddingTop="@dimen/activity_vertical_margin"
+    tools:context="com.example.android.notificationchannels.MainActivity">
+
+    <GridLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:rowCount="7"
+        android:columnCount="2"
+        android:orientation="horizontal">
+
+        <EditText
+            android:id="@+id/main_primary_title"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_columnSpan="2"
+            android:layout_gravity="fill_horizontal"
+            android:hint="@string/main_primary_title"
+            android:text="@string/main_primary_title" />
+
+        <Button
+            android:id="@+id/main_primary_send1"
+            android:layout_columnWeight="1"
+            android:layout_height="wrap_content"
+
+            android:text="@string/main_primary_send1" />
+
+        <Button
+            android:id="@+id/main_primary_send2"
+            android:layout_columnWeight="1"
+            android:layout_height="wrap_content"
+
+            android:text="@string/main_primary_send2" />
+
+        <ImageButton
+            android:id="@+id/main_primary_config"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_columnSpan="2"
+            android:layout_gravity="fill_horizontal"
+
+            android:src="@android:drawable/ic_menu_preferences"
+            android:contentDescription="@string/main_primary_config" />
+
+        <Space
+            android:layout_width="match_parent"
+            android:layout_height="48dp"
+            android:layout_columnSpan="2"
+            android:layout_gravity="fill_horizontal" />
+
+        <EditText
+            android:id="@+id/main_secondary_title"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_columnSpan="2"
+            android:layout_gravity="fill_horizontal"
+            android:hint="@string/main_secondary_title"
+            android:text="@string/main_secondary_title" />
+
+        <Button
+            android:id="@+id/main_secondary_send1"
+            android:layout_columnWeight="1"
+            android:layout_height="wrap_content"
+
+            android:text="@string/main_secondary_send1" />
+
+        <Button
+            android:id="@+id/main_secondary_send2"
+            android:layout_columnWeight="1"
+            android:layout_height="wrap_content"
+
+            android:text="@string/main_secondary_send2"/>
+
+
+        <ImageButton
+            android:id="@+id/main_secondary_config"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_columnSpan="2"
+            android:layout_gravity="fill_horizontal"
+
+            android:src="@android:drawable/ic_menu_preferences"
+            android:contentDescription="@string/main_secondary_config" />
+
+    </GridLayout>
+
+    <LinearLayout
+        android:id="@+id/main_footer"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="horizontal"
+        android:layout_alignParentBottom="true">
+
+        <Button
+            android:text="@string/btnA_title"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:id="@+id/btnA"
+            android:layout_weight="1" />
+    </LinearLayout>
+
+
+</RelativeLayout>
diff --git a/notification/NotificationChannels/kotlinApp/Application/src/main/res/mipmap-hdpi/ic_launcher.png b/notification/NotificationChannels/kotlinApp/Application/src/main/res/mipmap-hdpi/ic_launcher.png
new file mode 100644
index 00000000..d9584e23
--- /dev/null
+++ b/notification/NotificationChannels/kotlinApp/Application/src/main/res/mipmap-hdpi/ic_launcher.png
diff --git a/notification/NotificationChannels/kotlinApp/Application/src/main/res/mipmap-mdpi/ic_launcher.png b/notification/NotificationChannels/kotlinApp/Application/src/main/res/mipmap-mdpi/ic_launcher.png
new file mode 100644
index 00000000..3203a44a
--- /dev/null
+++ b/notification/NotificationChannels/kotlinApp/Application/src/main/res/mipmap-mdpi/ic_launcher.png
diff --git a/notification/NotificationChannels/kotlinApp/Application/src/main/res/mipmap-xhdpi/ic_launcher.png b/notification/NotificationChannels/kotlinApp/Application/src/main/res/mipmap-xhdpi/ic_launcher.png
new file mode 100644
index 00000000..8d2467fa
--- /dev/null
+++ b/notification/NotificationChannels/kotlinApp/Application/src/main/res/mipmap-xhdpi/ic_launcher.png
diff --git a/notification/NotificationChannels/kotlinApp/Application/src/main/res/mipmap-xxhdpi/ic_launcher.png b/notification/NotificationChannels/kotlinApp/Application/src/main/res/mipmap-xxhdpi/ic_launcher.png
new file mode 100644
index 00000000..2db9c8a2
--- /dev/null
+++ b/notification/NotificationChannels/kotlinApp/Application/src/main/res/mipmap-xxhdpi/ic_launcher.png
diff --git a/notification/NotificationChannels/kotlinApp/Application/src/main/res/mipmap-xxxhdpi/ic_launcher.png b/notification/NotificationChannels/kotlinApp/Application/src/main/res/mipmap-xxxhdpi/ic_launcher.png
new file mode 100644
index 00000000..319446bc
--- /dev/null
+++ b/notification/NotificationChannels/kotlinApp/Application/src/main/res/mipmap-xxxhdpi/ic_launcher.png
diff --git a/notification/NotificationChannels/kotlinApp/Application/src/main/res/values-sw600dp/template-dimens.xml b/notification/NotificationChannels/kotlinApp/Application/src/main/res/values-sw600dp/template-dimens.xml
new file mode 100644
index 00000000..22074a2b
--- /dev/null
+++ b/notification/NotificationChannels/kotlinApp/Application/src/main/res/values-sw600dp/template-dimens.xml
@@ -0,0 +1,24 @@
+<!--
+  Copyright 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.
+  -->
+
+<resources>
+
+    <!-- Semantic definitions -->
+
+    <dimen name="horizontal_page_margin">@dimen/margin_huge</dimen>
+    <dimen name="vertical_page_margin">@dimen/margin_medium</dimen>
+
+</resources>
diff --git a/notification/NotificationChannels/kotlinApp/Application/src/main/res/values-sw600dp/template-styles.xml b/notification/NotificationChannels/kotlinApp/Application/src/main/res/values-sw600dp/template-styles.xml
new file mode 100644
index 00000000..03d19741
--- /dev/null
+++ b/notification/NotificationChannels/kotlinApp/Application/src/main/res/values-sw600dp/template-styles.xml
@@ -0,0 +1,25 @@
+<!--
+  Copyright 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.
+  -->
+
+<resources>
+
+    <style name="Widget.SampleMessage">
+        <item name="android:textAppearance">?android:textAppearanceLarge</item>
+        <item name="android:lineSpacingMultiplier">1.2</item>
+        <item name="android:shadowDy">-6.5</item>
+    </style>
+
+</resources>
diff --git a/notification/NotificationChannels/kotlinApp/Application/src/main/res/values-v11/template-styles.xml b/notification/NotificationChannels/kotlinApp/Application/src/main/res/values-v11/template-styles.xml
new file mode 100644
index 00000000..8c1ea66f
--- /dev/null
+++ b/notification/NotificationChannels/kotlinApp/Application/src/main/res/values-v11/template-styles.xml
@@ -0,0 +1,22 @@
+<!--
+  Copyright 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.
+  -->
+
+<resources>
+
+    <!-- Activity themes -->
+    <style name="Theme.Base" parent="android:Theme.Holo.Light" />
+
+</resources>
diff --git a/notification/NotificationChannels/kotlinApp/Application/src/main/res/values-v21/base-colors.xml b/notification/NotificationChannels/kotlinApp/Application/src/main/res/values-v21/base-colors.xml
new file mode 100644
index 00000000..8b6ec3f8
--- /dev/null
+++ b/notification/NotificationChannels/kotlinApp/Application/src/main/res/values-v21/base-colors.xml
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ Copyright 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.
+-->
+
+<resources>
+
+
+</resources>
diff --git a/notification/NotificationChannels/kotlinApp/Application/src/main/res/values-v21/base-template-styles.xml b/notification/NotificationChannels/kotlinApp/Application/src/main/res/values-v21/base-template-styles.xml
new file mode 100644
index 00000000..c778e4f9
--- /dev/null
+++ b/notification/NotificationChannels/kotlinApp/Application/src/main/res/values-v21/base-template-styles.xml
@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ Copyright 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.
+-->
+
+<resources>
+
+    <!-- Activity themes -->
+    <style name="Theme.Base" parent="android:Theme.Material.Light">
+    </style>
+
+</resources>
diff --git a/notification/NotificationChannels/kotlinApp/Application/src/main/res/values-w820dp/dimens.xml b/notification/NotificationChannels/kotlinApp/Application/src/main/res/values-w820dp/dimens.xml
new file mode 100644
index 00000000..63fc8164
--- /dev/null
+++ b/notification/NotificationChannels/kotlinApp/Application/src/main/res/values-w820dp/dimens.xml
@@ -0,0 +1,6 @@
+<resources>
+    <!-- Example customization of dimensions originally defined in res/values/dimens.xml
+         (such as screen margins) for screens with more than 820dp of available width. This
+         would include 7" and 10" devices in landscape (~960dp and ~1280dp respectively). -->
+    <dimen name="activity_horizontal_margin">64dp</dimen>
+</resources>
diff --git a/notification/NotificationChannels/kotlinApp/Application/src/main/res/values/base-strings.xml b/notification/NotificationChannels/kotlinApp/Application/src/main/res/values/base-strings.xml
new file mode 100644
index 00000000..ace10008
--- /dev/null
+++ b/notification/NotificationChannels/kotlinApp/Application/src/main/res/values/base-strings.xml
@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ Copyright 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.
+-->
+
+<resources>
+    <string name="app_name">NotificationChannels</string>
+    <string name="intro_message">
+        <![CDATA[
+        
+            
+Demonstration of using channels to categorize notifications by topic. This feature was added in
+Android O, and allows users to have fine-grained control over their notificatin preferences.
+            
+        
+        ]]>
+    </string>
+</resources>
diff --git a/notification/NotificationChannels/kotlinApp/Application/src/main/res/values/colors.xml b/notification/NotificationChannels/kotlinApp/Application/src/main/res/values/colors.xml
new file mode 100644
index 00000000..3ab3e9cb
--- /dev/null
+++ b/notification/NotificationChannels/kotlinApp/Application/src/main/res/values/colors.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="colorPrimary">#3F51B5</color>
+    <color name="colorPrimaryDark">#303F9F</color>
+    <color name="colorAccent">#FF4081</color>
+</resources>
diff --git a/notification/NotificationChannels/kotlinApp/Application/src/main/res/values/dimens.xml b/notification/NotificationChannels/kotlinApp/Application/src/main/res/values/dimens.xml
new file mode 100644
index 00000000..47c82246
--- /dev/null
+++ b/notification/NotificationChannels/kotlinApp/Application/src/main/res/values/dimens.xml
@@ -0,0 +1,5 @@
+<resources>
+    <!-- Default screen margins, per the Android Design guidelines. -->
+    <dimen name="activity_horizontal_margin">16dp</dimen>
+    <dimen name="activity_vertical_margin">16dp</dimen>
+</resources>
diff --git a/notification/NotificationChannels/kotlinApp/Application/src/main/res/values/strings.xml b/notification/NotificationChannels/kotlinApp/Application/src/main/res/values/strings.xml
new file mode 100644
index 00000000..8d2e69f9
--- /dev/null
+++ b/notification/NotificationChannels/kotlinApp/Application/src/main/res/values/strings.xml
@@ -0,0 +1,28 @@
+<resources>
+    <string name="btn1_description">Start foreground service</string>
+    <string name="btn1_title" >Start</string>
+    <string name="simple_service_title">Simple Service</string>
+    <string name="simple_service_desc">Simple Service from the OTest app</string>
+
+    <string name="main_create_noti2_btn">Send</string>
+
+    <string name="btnA_title">Go to Settings</string>
+    <string name="noti_channel_default">Primary Channel</string>
+    <string name="noti1_title">Notification 1 Title</string>
+    <string name="primary1_body">The content</string>
+    <string name="noti2_title">Second notification</string>
+    <string name="secondary1_body">Notification body text.</string>
+    <string name="noti_channel_second">Secondary Channel</string>
+
+    <string name="main_primary_title">Primary Channel</string>
+    <string name="main_primary_send1">Send 1</string>
+    <string name="main_primary_send2">Send 2</string>
+    <string name="main_primary_config">Go to primary settings</string>
+
+    <string name="main_secondary_title">Secondary Channel</string>
+    <string name="main_secondary_send1">Send 1</string>
+    <string name="main_secondary_send2">Send 2</string>
+    <string name="main_secondary_config">Go to secondary settings</string>
+    <string name="primary2_body">Second Notification for Primary Channel</string>
+    <string name="secondary2_body">Second Notification for Secondary Channel</string>
+</resources>
diff --git a/notification/NotificationChannels/kotlinApp/Application/src/main/res/values/template-dimens.xml b/notification/NotificationChannels/kotlinApp/Application/src/main/res/values/template-dimens.xml
new file mode 100644
index 00000000..39e710b5
--- /dev/null
+++ b/notification/NotificationChannels/kotlinApp/Application/src/main/res/values/template-dimens.xml
@@ -0,0 +1,32 @@
+<!--
+  Copyright 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.
+  -->
+
+<resources>
+
+    <!-- Define standard dimensions to comply with Holo-style grids and rhythm. -->
+
+    <dimen name="margin_tiny">4dp</dimen>
+    <dimen name="margin_small">8dp</dimen>
+    <dimen name="margin_medium">16dp</dimen>
+    <dimen name="margin_large">32dp</dimen>
+    <dimen name="margin_huge">64dp</dimen>
+
+    <!-- Semantic definitions -->
+
+    <dimen name="horizontal_page_margin">@dimen/margin_medium</dimen>
+    <dimen name="vertical_page_margin">@dimen/margin_medium</dimen>
+
+</resources>
diff --git a/notification/NotificationChannels/kotlinApp/Application/src/main/res/values/template-styles.xml b/notification/NotificationChannels/kotlinApp/Application/src/main/res/values/template-styles.xml
new file mode 100644
index 00000000..6e7d593d
--- /dev/null
+++ b/notification/NotificationChannels/kotlinApp/Application/src/main/res/values/template-styles.xml
@@ -0,0 +1,42 @@
+<!--
+  Copyright 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.
+  -->
+
+<resources>
+
+    <!-- Activity themes -->
+
+    <style name="Theme.Base" parent="android:Theme.Light" />
+
+    <style name="Theme.Sample" parent="Theme.Base" />
+
+    <style name="AppTheme" parent="Theme.Sample" />
+    <!-- Widget styling -->
+
+    <style name="Widget" />
+
+    <style name="Widget.SampleMessage">
+        <item name="android:textAppearance">?android:textAppearanceMedium</item>
+        <item name="android:lineSpacingMultiplier">1.1</item>
+    </style>
+
+    <style name="Widget.SampleMessageTile">
+        <item name="android:background">@drawable/tile</item>
+        <item name="android:shadowColor">#7F000000</item>
+        <item name="android:shadowDy">-3.5</item>
+        <item name="android:shadowRadius">2</item>
+    </style>
+
+</resources>
diff --git a/notification/NotificationChannels/kotlinApp/build.gradle b/notification/NotificationChannels/kotlinApp/build.gradle
new file mode 100644
index 00000000..e69de29b
--- /dev/null
+++ b/notification/NotificationChannels/kotlinApp/build.gradle
diff --git a/notification/NotificationChannels/kotlinApp/gradle/wrapper/gradle-wrapper.jar b/notification/NotificationChannels/kotlinApp/gradle/wrapper/gradle-wrapper.jar
new file mode 100644
index 00000000..8c0fb64a
--- /dev/null
+++ b/notification/NotificationChannels/kotlinApp/gradle/wrapper/gradle-wrapper.jar
diff --git a/notification/NotificationChannels/kotlinApp/gradle/wrapper/gradle-wrapper.properties b/notification/NotificationChannels/kotlinApp/gradle/wrapper/gradle-wrapper.properties
new file mode 100644
index 00000000..a5c72267
--- /dev/null
+++ b/notification/NotificationChannels/kotlinApp/gradle/wrapper/gradle-wrapper.properties
@@ -0,0 +1,6 @@
+#Mon May 15 21:58:40 PDT 2017
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-3.3-all.zip
diff --git a/notification/NotificationChannels/kotlinApp/gradlew b/notification/NotificationChannels/kotlinApp/gradlew
new file mode 100755
index 00000000..91a7e269
--- /dev/null
+++ b/notification/NotificationChannels/kotlinApp/gradlew
@@ -0,0 +1,164 @@
+#!/usr/bin/env bash
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn ( ) {
+    echo "$*"
+}
+
+die ( ) {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+esac
+
+# For Cygwin, ensure paths are in UNIX format before anything is touched.
+if $cygwin ; then
+    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
+fi
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >&-
+APP_HOME="`pwd -P`"
+cd "$SAVED" >&-
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=$((i+1))
+    done
+    case $i in
+        (0) set -- ;;
+        (1) set -- "$args0" ;;
+        (2) set -- "$args0" "$args1" ;;
+        (3) set -- "$args0" "$args1" "$args2" ;;
+        (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
+function splitJvmOpts() {
+    JVM_OPTS=("$@")
+}
+eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
+JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+
+exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
diff --git a/notification/NotificationChannels/kotlinApp/gradlew.bat b/notification/NotificationChannels/kotlinApp/gradlew.bat
new file mode 100644
index 00000000..aec99730
--- /dev/null
+++ b/notification/NotificationChannels/kotlinApp/gradlew.bat
@@ -0,0 +1,90 @@
+@if "%DEBUG%" == "" @echo off

+@rem ##########################################################################

+@rem

+@rem  Gradle startup script for Windows

+@rem

+@rem ##########################################################################

+

+@rem Set local scope for the variables with windows NT shell

+if "%OS%"=="Windows_NT" setlocal

+

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

+set DIRNAME=%~dp0

+if "%DIRNAME%" == "" set DIRNAME=.

+set APP_BASE_NAME=%~n0

+set APP_HOME=%DIRNAME%

+

+@rem Find java.exe

+if defined JAVA_HOME goto findJavaFromJavaHome

+

+set JAVA_EXE=java.exe

+%JAVA_EXE% -version >NUL 2>&1

+if "%ERRORLEVEL%" == "0" goto init

+

+echo.

+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.

+echo.

+echo Please set the JAVA_HOME variable in your environment to match the

+echo location of your Java installation.

+

+goto fail

+

+:findJavaFromJavaHome

+set JAVA_HOME=%JAVA_HOME:"=%

+set JAVA_EXE=%JAVA_HOME%/bin/java.exe

+

+if exist "%JAVA_EXE%" goto init

+

+echo.

+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%

+echo.

+echo Please set the JAVA_HOME variable in your environment to match the

+echo location of your Java installation.

+

+goto fail

+

+:init

+@rem Get command-line arguments, handling Windowz variants

+

+if not "%OS%" == "Windows_NT" goto win9xME_args

+if "%@eval[2+2]" == "4" goto 4NT_args

+

+:win9xME_args

+@rem Slurp the command line arguments.

+set CMD_LINE_ARGS=

+set _SKIP=2

+

+:win9xME_args_slurp

+if "x%~1" == "x" goto execute

+

+set CMD_LINE_ARGS=%*

+goto execute

+

+:4NT_args

+@rem Get arguments from the 4NT Shell from JP Software

+set CMD_LINE_ARGS=%$

+

+:execute

+@rem Setup the command line

+

+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar

+

+@rem Execute Gradle

+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%

+

+:end

+@rem End local scope for the variables with windows NT shell

+if "%ERRORLEVEL%"=="0" goto mainEnd

+

+:fail

+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of

+rem the _cmd.exe /c_ return code!

+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1

+exit /b 1

+

+:mainEnd

+if "%OS%"=="Windows_NT" endlocal

+

+:omega

diff --git a/notification/NotificationChannels/kotlinApp/screenshots/1-main.png b/notification/NotificationChannels/kotlinApp/screenshots/1-main.png
new file mode 100755
index 00000000..dc3bc880
--- /dev/null
+++ b/notification/NotificationChannels/kotlinApp/screenshots/1-main.png
diff --git a/notification/NotificationChannels/kotlinApp/screenshots/icon-web.png b/notification/NotificationChannels/kotlinApp/screenshots/icon-web.png
new file mode 100644
index 00000000..f9635804
--- /dev/null
+++ b/notification/NotificationChannels/kotlinApp/screenshots/icon-web.png
diff --git a/notification/NotificationChannels/kotlinApp/settings.gradle b/notification/NotificationChannels/kotlinApp/settings.gradle
new file mode 100644
index 00000000..0a5c310b
--- /dev/null
+++ b/notification/NotificationChannels/kotlinApp/settings.gradle
@@ -0,0 +1,2 @@
+
+include 'Application'