Create Kotlin version of CardView sample.

Bug: 64766094
Test: Ran instrumented tests.

Change-Id: I7e0a731be65a606600e3b103401cb21821c71f14

25 files changed, 876 insertions, 0 deletions

diff --git a/ui/views/CardView/kotlinApp/.google/packaging.yaml b/ui/views/CardView/kotlinApp/.google/packaging.yaml
new file mode 100644
index 00000000..b2115646
--- /dev/null
+++ b/ui/views/CardView/kotlinApp/.google/packaging.yaml
@@ -0,0 +1,13 @@
+
+# GOOGLE SAMPLE PACKAGING DATA
+#
+# This file is used by Google as part of our samples packaging process.
+# End users may safely ignore this file. It has no relevance to other systems.
+---
+status:       PUBLISHED
+technologies: [Android]
+categories:   [UI]
+languages:    [Kotlin]
+solutions:    [Mobile]
+github:       android-CardView Sample
+license:      apache2
diff --git a/ui/views/CardView/kotlinApp/Application/build.gradle b/ui/views/CardView/kotlinApp/Application/build.gradle
new file mode 100644
index 00000000..f9ba0087
--- /dev/null
+++ b/ui/views/CardView/kotlinApp/Application/build.gradle
@@ -0,0 +1,36 @@
+apply plugin: 'com.android.application'
+apply plugin: 'kotlin-android'
+apply plugin: 'kotlin-android-extensions'
+
+android {
+    compileSdkVersion rootProject.ext.compileSdkVersion
+    defaultConfig {
+        applicationId "com.example.android.cardview"
+        minSdkVersion rootProject.ext.minSdkVersion
+        targetSdkVersion rootProject.ext.targetSdkVersion
+        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+        versionCode 1
+        versionName "1.0"
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+
+    sourceSets {
+        main {
+            java.srcDirs "src/main/java"
+            res.srcDirs "src/main/res"
+        }
+        androidTest.setRoot('tests')
+        androidTest.java.srcDirs = ['tests/src']
+    }
+}
+
+dependencies {
+    implementation'com.android.support:cardview-v7:27.0.2'
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jre7:$rootProject.ext.kotlinVersion"
+    androidTestImplementation "com.android.support.test.espresso:espresso-core:$rootProject.ext.espressoVersion"
+}
diff --git a/ui/views/CardView/kotlinApp/Application/src/main/AndroidManifest.xml b/ui/views/CardView/kotlinApp/Application/src/main/AndroidManifest.xml
new file mode 100644
index 00000000..7d1145c8
--- /dev/null
+++ b/ui/views/CardView/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.cardview">
+
+    <application
+        android:allowBackup="false"
+        android:icon="@drawable/ic_launcher"
+        android:label="@string/app_name"
+        android:theme="@style/AppTheme" >
+        <activity
+            android:name=".CardViewActivity"
+            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/ui/views/CardView/kotlinApp/Application/src/main/java/com/example/android/cardview/CardViewActivity.kt b/ui/views/CardView/kotlinApp/Application/src/main/java/com/example/android/cardview/CardViewActivity.kt
new file mode 100644
index 00000000..4c90f0e8
--- /dev/null
+++ b/ui/views/CardView/kotlinApp/Application/src/main/java/com/example/android/cardview/CardViewActivity.kt
@@ -0,0 +1,37 @@
+/*
+ * 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.example.android.cardview
+
+import android.app.Activity
+import android.os.Bundle
+
+/**
+ * Launcher Activity for the CardView sample app.
+ */
+class CardViewActivity : Activity() {
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_card_view)
+        if (savedInstanceState == null) {
+            fragmentManager.beginTransaction()
+                    .add(R.id.container, CardViewFragment())
+                    .commit()
+        }
+    }
+
+}
diff --git a/ui/views/CardView/kotlinApp/Application/src/main/java/com/example/android/cardview/CardViewFragment.kt b/ui/views/CardView/kotlinApp/Application/src/main/java/com/example/android/cardview/CardViewFragment.kt
new file mode 100644
index 00000000..6efb5aae
--- /dev/null
+++ b/ui/views/CardView/kotlinApp/Application/src/main/java/com/example/android/cardview/CardViewFragment.kt
@@ -0,0 +1,82 @@
+/*
+ * 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.example.android.cardview
+
+import android.app.Fragment
+import android.os.Bundle
+import android.support.annotation.VisibleForTesting
+import android.support.v7.widget.CardView
+import android.util.Log
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.SeekBar
+
+/**
+ * Fragment that demonstrates how to use [CardView].
+ */
+class CardViewFragment : Fragment() {
+
+    private val TAG = "CardViewFragment"
+
+    // The [CardView] widget.
+    @VisibleForTesting lateinit var cardView: CardView
+
+    // SeekBar that changes the cornerRadius attribute for the cardView widget.
+    @VisibleForTesting lateinit var radiusSeekBar: SeekBar
+
+    // SeekBar that changes the Elevation attribute for the cardView widget.
+    @VisibleForTesting lateinit var elevationSeekBar: SeekBar
+
+    override fun onCreateView(
+        inflater: LayoutInflater,
+        container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View {
+        return inflater.inflate(R.layout.fragment_card_view, container, false)
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        cardView = view.findViewById(R.id.cardview)
+
+        radiusSeekBar = view.findViewById(R.id.cardview_radius_seekbar)
+        radiusSeekBar.setOnSeekBarChangeListener(object : SeekBar.OnSeekBarChangeListener {
+            override fun onProgressChanged(seekBar: SeekBar, progress: Int, fromUser: Boolean) {
+                Log.d(TAG, "SeekBar Radius progress: $progress")
+                cardView.radius = progress.toFloat()
+            }
+
+            override fun onStartTrackingTouch(seekBar: SeekBar) = Unit // Do nothing
+
+            override fun onStopTrackingTouch(seekBar: SeekBar) = Unit // Do nothing
+        })
+
+        elevationSeekBar = view.findViewById(R.id.cardview_elevation_seekbar)
+        elevationSeekBar.setOnSeekBarChangeListener(object : SeekBar.OnSeekBarChangeListener {
+            override fun onProgressChanged(seekBar: SeekBar, progress: Int, fromUser: Boolean) {
+                Log.d(TAG, "SeekBar Elevation progress : $progress")
+                cardView.elevation = progress.toFloat()
+            }
+
+            override fun onStartTrackingTouch(seekBar: SeekBar) = Unit // Do nothing
+
+            override fun onStopTrackingTouch(seekBar: SeekBar) = Unit // Do nothing
+        })
+    }
+
+}
diff --git a/ui/views/CardView/kotlinApp/Application/src/main/res/drawable-hdpi/ic_launcher.png b/ui/views/CardView/kotlinApp/Application/src/main/res/drawable-hdpi/ic_launcher.png
new file mode 100644
index 00000000..36f4db55
--- /dev/null
+++ b/ui/views/CardView/kotlinApp/Application/src/main/res/drawable-hdpi/ic_launcher.png
diff --git a/ui/views/CardView/kotlinApp/Application/src/main/res/drawable-hdpi/tile.9.png b/ui/views/CardView/kotlinApp/Application/src/main/res/drawable-hdpi/tile.9.png
new file mode 100644
index 00000000..13586288
--- /dev/null
+++ b/ui/views/CardView/kotlinApp/Application/src/main/res/drawable-hdpi/tile.9.png
diff --git a/ui/views/CardView/kotlinApp/Application/src/main/res/drawable-mdpi/ic_launcher.png b/ui/views/CardView/kotlinApp/Application/src/main/res/drawable-mdpi/ic_launcher.png
new file mode 100644
index 00000000..f4ca0653
--- /dev/null
+++ b/ui/views/CardView/kotlinApp/Application/src/main/res/drawable-mdpi/ic_launcher.png
diff --git a/ui/views/CardView/kotlinApp/Application/src/main/res/drawable-xhdpi/ic_launcher.png b/ui/views/CardView/kotlinApp/Application/src/main/res/drawable-xhdpi/ic_launcher.png
new file mode 100644
index 00000000..6464a93f
--- /dev/null
+++ b/ui/views/CardView/kotlinApp/Application/src/main/res/drawable-xhdpi/ic_launcher.png
diff --git a/ui/views/CardView/kotlinApp/Application/src/main/res/drawable-xxhdpi/ic_launcher.png b/ui/views/CardView/kotlinApp/Application/src/main/res/drawable-xxhdpi/ic_launcher.png
new file mode 100644
index 00000000..5a017bae
--- /dev/null
+++ b/ui/views/CardView/kotlinApp/Application/src/main/res/drawable-xxhdpi/ic_launcher.png
diff --git a/ui/views/CardView/kotlinApp/Application/src/main/res/layout/activity_card_view.xml b/ui/views/CardView/kotlinApp/Application/src/main/res/layout/activity_card_view.xml
new file mode 100644
index 00000000..86deaeea
--- /dev/null
+++ b/ui/views/CardView/kotlinApp/Application/src/main/res/layout/activity_card_view.xml
@@ -0,0 +1,28 @@
+<?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.
+-->
+
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/container"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:paddingLeft="@dimen/activity_horizontal_margin"
+    android:paddingRight="@dimen/activity_horizontal_margin"
+    android:paddingTop="@dimen/activity_vertical_margin"
+    android:paddingBottom="@dimen/activity_vertical_margin"
+    tools:context="com.example.android.cardview.CardViewActivity"
+    tools:ignore="MergeRootFrame" />
diff --git a/ui/views/CardView/kotlinApp/Application/src/main/res/layout/fragment_card_view.xml b/ui/views/CardView/kotlinApp/Application/src/main/res/layout/fragment_card_view.xml
new file mode 100644
index 00000000..b43acb82
--- /dev/null
+++ b/ui/views/CardView/kotlinApp/Application/src/main/res/layout/fragment_card_view.xml
@@ -0,0 +1,91 @@
+<?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.
+-->
+
+<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:card_view="http://schemas.android.com/apk/res-auto"
+    android:layout_height="match_parent"
+    android:layout_width="match_parent">
+
+    <LinearLayout android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="vertical"
+        android:paddingBottom="@dimen/activity_vertical_margin"
+        android:paddingTop="@dimen/activity_vertical_margin"
+        android:paddingLeft="@dimen/activity_horizontal_margin"
+        android:paddingRight="@dimen/activity_horizontal_margin">
+
+        <android.support.v7.widget.CardView
+            android:id="@+id/cardview"
+            android:layout_width="fill_parent"
+            android:layout_height="wrap_content"
+            android:elevation="@dimen/card_elevation"
+            card_view:cardBackgroundColor="@color/cardview_initial_background"
+            card_view:cardCornerRadius="@dimen/card_radius"
+            android:layout_marginLeft="@dimen/margin_large"
+            android:layout_marginRight="@dimen/margin_large">
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_margin="@dimen/margin_medium"
+                android:text="@string/cardview_contents"/>
+
+        </android.support.v7.widget.CardView>
+
+        <LinearLayout
+            android:layout_width="fill_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="@dimen/margin_large"
+            android:orientation="horizontal">
+
+            <TextView
+                android:layout_width="@dimen/seekbar_label_length"
+                android:layout_height="wrap_content"
+                android:layout_gravity="center_vertical"
+                android:text="@string/cardview_radius_seekbar_text" />
+
+            <SeekBar
+                android:id="@+id/cardview_radius_seekbar"
+                android:layout_width="fill_parent"
+                android:layout_height="wrap_content"
+                android:layout_margin="@dimen/margin_medium"/>
+
+        </LinearLayout>
+
+        <LinearLayout
+            android:layout_width="fill_parent"
+            android:layout_height="wrap_content"
+            android:orientation="horizontal">
+
+            <TextView
+                android:layout_width="@dimen/seekbar_label_length"
+                android:layout_height="wrap_content"
+                android:layout_gravity="center_vertical"
+                android:text="@string/cardview_elevation_seekbar_text"/>
+
+            <SeekBar
+                android:id="@+id/cardview_elevation_seekbar"
+                android:layout_width="fill_parent"
+                android:layout_height="wrap_content"
+                android:layout_margin="@dimen/margin_medium"/>
+
+        </LinearLayout>
+
+    </LinearLayout>
+
+</ScrollView>
+
diff --git a/ui/views/CardView/kotlinApp/Application/src/main/res/values/colors.xml b/ui/views/CardView/kotlinApp/Application/src/main/res/values/colors.xml
new file mode 100644
index 00000000..5dfd57c8
--- /dev/null
+++ b/ui/views/CardView/kotlinApp/Application/src/main/res/values/colors.xml
@@ -0,0 +1,20 @@
+<?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.
+-->
+
+<resources>
+    <color name="cardview_initial_background">#71C3DE</color>
+</resources>
\ No newline at end of file
diff --git a/ui/views/CardView/kotlinApp/Application/src/main/res/values/dimens.xml b/ui/views/CardView/kotlinApp/Application/src/main/res/values/dimens.xml
new file mode 100644
index 00000000..dbe7f04b
--- /dev/null
+++ b/ui/views/CardView/kotlinApp/Application/src/main/res/values/dimens.xml
@@ -0,0 +1,27 @@
+<?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.
+-->
+
+<resources>
+    <!-- Default screen margins, per the Android Design guidelines. -->
+    <dimen name="activity_horizontal_margin">16dp</dimen>
+    <dimen name="activity_vertical_margin">16dp</dimen>
+    <dimen name="seekbar_label_length">70dp</dimen>
+    <dimen name="margin_medium">16dp</dimen>
+    <dimen name="margin_large">32dp</dimen>
+    <dimen name="card_elevation">100dp</dimen>
+    <dimen name="card_radius">8dp</dimen>
+</resources>
diff --git a/ui/views/CardView/kotlinApp/Application/src/main/res/values/strings.xml b/ui/views/CardView/kotlinApp/Application/src/main/res/values/strings.xml
new file mode 100644
index 00000000..190c3f69
--- /dev/null
+++ b/ui/views/CardView/kotlinApp/Application/src/main/res/values/strings.xml
@@ -0,0 +1,39 @@
+<?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.
+-->
+
+<resources>
+    <string name="app_name">CardView Sample</string>
+    <string name="cardview_contents">This is a CardView widget. CardView widgets can have
+        shadows and rounded corners.
+        \n\nTo create a card with a shadow, use the <font fgcolor="#FFFFFFFF">android:elevation</font>
+        attribute.
+        \n\nTo set the corner radius in your layouts, use the <font
+            fgcolor="#FFFFFFFF">card_view:cardCornerRadius</font> attribute.
+    </string>
+    <string name="cardview_radius_seekbar_text">Radius</string>
+    <string name="cardview_elevation_seekbar_text">Elevation</string>
+    <string name="intro_message">
+        <![CDATA[
+
+
+            This sample demonstrates how to use CardView introduced in the support library in
+            Android 5.0.
+
+
+        ]]>
+    </string>
+</resources>
diff --git a/ui/views/CardView/kotlinApp/Application/src/main/res/values/styles.xml b/ui/views/CardView/kotlinApp/Application/src/main/res/values/styles.xml
new file mode 100644
index 00000000..79488481
--- /dev/null
+++ b/ui/views/CardView/kotlinApp/Application/src/main/res/values/styles.xml
@@ -0,0 +1,20 @@
+<?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.
+-->
+
+<resources>
+    <style name="AppTheme" parent="android:Theme.Material.Light" />
+</resources>
\ No newline at end of file
diff --git a/ui/views/CardView/kotlinApp/Application/tests/src/com/example/android/cardview/SampleTests.kt b/ui/views/CardView/kotlinApp/Application/tests/src/com/example/android/cardview/SampleTests.kt
new file mode 100644
index 00000000..df463907
--- /dev/null
+++ b/ui/views/CardView/kotlinApp/Application/tests/src/com/example/android/cardview/SampleTests.kt
@@ -0,0 +1,69 @@
+/*
+ * 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.example.android.cardview
+
+import android.support.test.InstrumentationRegistry
+import android.support.test.rule.ActivityTestRule
+import android.support.test.runner.AndroidJUnit4
+import org.junit.Assert.assertEquals
+import org.junit.Assert.assertNotNull
+import org.junit.Before
+import org.junit.Rule
+import org.junit.Test
+import org.junit.runner.RunWith
+
+/**
+ * Tests for CardView sample.
+ */
+@RunWith(AndroidJUnit4::class)
+class SampleTests {
+
+    private lateinit var fragment: CardViewFragment
+
+    @Rule @JvmField
+    val activityTestRule = ActivityTestRule(CardViewActivity::class.java)
+
+    @Before fun setUp() {
+        activityTestRule.activity.fragmentManager.beginTransaction()
+        fragment = activityTestRule.activity.fragmentManager
+                .findFragmentById(R.id.container) as CardViewFragment
+    }
+
+    @Test fun testPreconditions() {
+        assertNotNull(activityTestRule.activity)
+        assertNotNull(fragment)
+        assertNotNull(fragment.radiusSeekBar)
+        assertNotNull(fragment.elevationSeekBar)
+    }
+
+    @Test fun testRadiusSeekbarChangesRadiusOfCardView() {
+        InstrumentationRegistry.getInstrumentation().runOnMainSync {
+            val radius = 50.0f
+            fragment.radiusSeekBar.progress = radius.toInt()
+            assertEquals(radius, fragment.cardView.radius)
+        }
+    }
+
+    @Test fun testElevationSeekbarChangesElevationOfCardView() {
+        InstrumentationRegistry.getInstrumentation().runOnMainSync {
+            val elevation = 40.0f
+            fragment.elevationSeekBar.progress = elevation.toInt()
+            assertEquals(elevation, fragment.cardView.elevation)
+        }
+    }
+
+}
\ No newline at end of file
diff --git a/ui/views/CardView/kotlinApp/CONTRIB.md b/ui/views/CardView/kotlinApp/CONTRIB.md
new file mode 100644
index 00000000..8ddb52d4
--- /dev/null
+++ b/ui/views/CardView/kotlinApp/CONTRIB.md
@@ -0,0 +1,35 @@
+# How to become a contributor and submit your own code
+
+## Contributor License Agreements
+
+We'd love to accept your sample apps and patches! Before we can take them, we
+have to jump a couple of legal hurdles.
+
+Please fill out either the individual or corporate Contributor License Agreement (CLA).
+
+  * If you are an individual writing original source code and you're sure you
+    own the intellectual property, then you'll need to sign an [individual CLA]
+    (https://developers.google.com/open-source/cla/individual).
+  * If you work for a company that wants to allow you to contribute your work,
+    then you'll need to sign a [corporate CLA]
+    (https://developers.google.com/open-source/cla/corporate).
+
+Follow either of the two links above to access the appropriate CLA and
+instructions for how to sign and return it. Once we receive it, we'll be able to
+accept your pull requests.
+
+## Contributing A Patch
+
+1. Submit an issue describing your proposed change to the repo in question.
+1. The repo owner will respond to your issue promptly.
+1. If your proposed change is accepted, and you haven't already done so, sign a
+   Contributor License Agreement (see details above).
+1. Fork the desired repo, develop and test your code changes.
+1. Ensure that your code adheres to the existing style in the sample to which
+   you are contributing. Refer to the
+   [Google Cloud Platform Samples Style Guide]
+   (https://github.com/GoogleCloudPlatform/Template/wiki/style.html) for the
+   recommended coding standards for this organization.
+1. Ensure that your code has an appropriate set of unit tests which all pass.
+1. Submit a pull request.
+
diff --git a/ui/views/CardView/kotlinApp/README.md b/ui/views/CardView/kotlinApp/README.md
new file mode 100644
index 00000000..df82de9b
--- /dev/null
+++ b/ui/views/CardView/kotlinApp/README.md
@@ -0,0 +1,50 @@
+
+Android CardView Sample Sample (Kotlin)
+=======================================
+
+This sample demonstrates how to use CardView introduced in the support library in
+Android 5.0.
+
+Pre-requisites
+--------------
+
+- Android SDK 27
+- Android Support Repository
+
+Getting Started
+---------------
+
+This sample uses the Gradle build system. To build this project, use the
+"gradlew build" command or use "Import Project" in Android Studio.
+
+Support
+-------
+
+- Google+ Community: https://plus.google.com/communities/105153134372062985968
+- Stack Overflow: http://stackoverflow.com/questions/tagged/android
+
+If you've found an error in this sample, please file an issue:
+https://github.com/googlesamples/android-CardView Sample
+
+Patches are encouraged, and may be submitted by forking this project and
+submitting a pull request through GitHub. Please see CONTRIBUTING.md for more details.
+
+License
+-------
+
+Copyright 2017 The Android Open Source Project, Inc.
+
+Licensed to the Apache Software Foundation (ASF) under one or more contributor
+license agreements.  See the NOTICE file distributed with this work for
+additional information regarding copyright ownership.  The ASF licenses this
+file to you 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.
diff --git a/ui/views/CardView/kotlinApp/build.gradle b/ui/views/CardView/kotlinApp/build.gradle
new file mode 100644
index 00000000..16922ca7
--- /dev/null
+++ b/ui/views/CardView/kotlinApp/build.gradle
@@ -0,0 +1,32 @@
+buildscript {
+    ext {
+        compileSdkVersion = 27
+        minSdkVersion = 21
+        targetSdkVersion = 27
+
+        espressoVersion = '3.0.1'
+        junitVersion = '4.12'
+        kotlinVersion = '1.2.10'
+        supportLibVersion = '27.0.2'
+        supportTestVersion = '1.0.1'
+    }
+    repositories {
+        google()
+        jcenter()
+    }
+    dependencies {
+        classpath 'com.android.tools.build:gradle:3.0.1'
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlinVersion"
+    }
+}
+
+allprojects {
+    repositories {
+        google()
+        jcenter()
+    }
+}
+
+task clean(type: Delete) {
+    delete rootProject.buildDir
+}
diff --git a/ui/views/CardView/kotlinApp/gradle/wrapper/gradle-wrapper.jar b/ui/views/CardView/kotlinApp/gradle/wrapper/gradle-wrapper.jar
new file mode 100644
index 00000000..8c0fb64a
--- /dev/null
+++ b/ui/views/CardView/kotlinApp/gradle/wrapper/gradle-wrapper.jar
diff --git a/ui/views/CardView/kotlinApp/gradle/wrapper/gradle-wrapper.properties b/ui/views/CardView/kotlinApp/gradle/wrapper/gradle-wrapper.properties
new file mode 100644
index 00000000..a611e637
--- /dev/null
+++ b/ui/views/CardView/kotlinApp/gradle/wrapper/gradle-wrapper.properties
@@ -0,0 +1,6 @@
+#Thu Dec 14 19:44:05 PST 2017
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-all.zip
\ No newline at end of file
diff --git a/ui/views/CardView/kotlinApp/gradlew b/ui/views/CardView/kotlinApp/gradlew
new file mode 100755
index 00000000..91a7e269
--- /dev/null
+++ b/ui/views/CardView/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 "$@"
diff --git a/ui/views/CardView/kotlinApp/gradlew.bat b/ui/views/CardView/kotlinApp/gradlew.bat
new file mode 100644
index 00000000..8a0b282a
--- /dev/null
+++ b/ui/views/CardView/kotlinApp/gradlew.bat
@@ -0,0 +1,90 @@
+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS=
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto init
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto init
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:init
+@rem Get command-line arguments, handling Windowz variants
+
+if not "%OS%" == "Windows_NT" goto win9xME_args
+if "%@eval[2+2]" == "4" goto 4NT_args
+
+:win9xME_args
+@rem Slurp the command line arguments.
+set CMD_LINE_ARGS=
+set _SKIP=2
+
+:win9xME_args_slurp
+if "x%~1" == "x" goto execute
+
+set CMD_LINE_ARGS=%*
+goto execute
+
+:4NT_args
+@rem Get arguments from the 4NT Shell from JP Software
+set CMD_LINE_ARGS=%$
+
+: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/ui/views/CardView/kotlinApp/settings.gradle b/ui/views/CardView/kotlinApp/settings.gradle
new file mode 100644
index 00000000..9464a359
--- /dev/null
+++ b/ui/views/CardView/kotlinApp/settings.gradle
@@ -0,0 +1 @@
+include 'Application'