diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..9503dec
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,97 @@
+
+# Created by https://www.gitignore.io/api/android
+# Edit at https://www.gitignore.io/?templates=android
+
+### Android ###
+# Built application files
+*.apk
+*.ap_
+*.aab
+
+# Files for the ART/Dalvik VM
+*.dex
+
+# Java class files
+*.class
+
+# Generated files
+bin/
+gen/
+out/
+release/
+
+# Gradle files
+.gradle/
+build/
+
+# Local configuration file (sdk path, etc)
+local.properties
+
+# Proguard folder generated by Eclipse
+proguard/
+
+# Log Files
+*.log
+
+# Android Studio Navigation editor temp files
+.navigation/
+
+# Android Studio captures folder
+captures/
+
+# IntelliJ
+*.iml
+.idea/workspace.xml
+.idea/tasks.xml
+.idea/gradle.xml
+.idea/assetWizardSettings.xml
+.idea/dictionaries
+.idea/libraries
+# Android Studio 3 in .gitignore file.
+.idea/caches
+.idea/modules.xml
+# Comment next line if keeping position of elements in Navigation Editor is relevant for you
+.idea/navEditor.xml
+
+# Keystore files
+# Uncomment the following lines if you do not want to check your keystore files in.
+#*.jks
+#*.keystore
+
+# External native build folder generated in Android Studio 2.2 and later
+.externalNativeBuild
+
+# Google Services (e.g. APIs or Firebase)
+# google-services.json
+
+# Freeline
+freeline.py
+freeline/
+freeline_project_description.json
+
+# fastlane
+fastlane/report.xml
+fastlane/Preview.html
+fastlane/screenshots
+fastlane/test_output
+fastlane/readme.md
+
+# Version control
+vcs.xml
+
+# lint
+lint/intermediates/
+lint/generated/
+lint/outputs/
+lint/tmp/
+# lint/reports/
+
+### Android Patch ###
+gen-external-apklibs
+output.json
+
+# Replacement of .externalNativeBuild directories introduced
+# with Android Studio 3.5.
+.cxx/
+
+# End of https://www.gitignore.io/api/android
diff --git a/.idea/codeStyles/Project.xml b/.idea/codeStyles/Project.xml
new file mode 100644
index 0000000..681f41a
--- /dev/null
+++ b/.idea/codeStyles/Project.xml
@@ -0,0 +1,116 @@
+
+
+
+
+
+
+
+
+
+
+
+
+ xmlns:android
+
+ ^$
+
+
+
+
+
+
+
+
+ xmlns:.*
+
+ ^$
+
+
+ BY_NAME
+
+
+
+
+
+
+ .*:id
+
+ http://schemas.android.com/apk/res/android
+
+
+
+
+
+
+
+
+ .*:name
+
+ http://schemas.android.com/apk/res/android
+
+
+
+
+
+
+
+
+ name
+
+ ^$
+
+
+
+
+
+
+
+
+ style
+
+ ^$
+
+
+
+
+
+
+
+
+ .*
+
+ ^$
+
+
+ BY_NAME
+
+
+
+
+
+
+ .*
+
+ http://schemas.android.com/apk/res/android
+
+
+ ANDROID_ATTRIBUTE_ORDER
+
+
+
+
+
+
+ .*
+
+ .*
+
+
+ BY_NAME
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/.idea/compiler.xml b/.idea/compiler.xml
new file mode 100644
index 0000000..40ed937
--- /dev/null
+++ b/.idea/compiler.xml
@@ -0,0 +1,15 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
new file mode 100644
index 0000000..af0bbdd
--- /dev/null
+++ b/.idea/misc.xml
@@ -0,0 +1,14 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/.idea/runConfigurations.xml b/.idea/runConfigurations.xml
new file mode 100644
index 0000000..7f68460
--- /dev/null
+++ b/.idea/runConfigurations.xml
@@ -0,0 +1,12 @@
+
+
+
+
+
+
\ No newline at end of file
diff --git a/app/.gitignore b/app/.gitignore
new file mode 100644
index 0000000..796b96d
--- /dev/null
+++ b/app/.gitignore
@@ -0,0 +1 @@
+/build
diff --git a/app/build.gradle b/app/build.gradle
new file mode 100644
index 0000000..08bf1bb
--- /dev/null
+++ b/app/build.gradle
@@ -0,0 +1,40 @@
+apply plugin: 'com.android.application'
+
+apply plugin: 'kotlin-android'
+
+apply plugin: 'kotlin-android-extensions'
+
+android {
+ compileSdkVersion 29
+ buildToolsVersion "29.0.3"
+ defaultConfig {
+ applicationId "xyz.lgvalle.surfaceduosample"
+ minSdkVersion 29
+ targetSdkVersion 29
+ versionCode 1
+ versionName "1.0"
+ testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+ }
+ buildTypes {
+ release {
+ minifyEnabled false
+ proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+ }
+ }
+}
+
+dependencies {
+ implementation fileTree(dir: 'libs', include: ['*.jar'])
+ implementation project(path: ':utils')
+ implementation"org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
+ implementation 'androidx.core:core-ktx:1.0.2'
+ implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
+ implementation 'androidx.lifecycle:lifecycle-extensions:2.0.0'
+ implementation 'androidx.lifecycle:lifecycle-viewmodel-ktx:2.0.0'
+ implementation 'androidx.legacy:legacy-support-v4:1.0.0'
+ implementation 'androidx.recyclerview:recyclerview:1.0.0'
+ testImplementation 'junit:junit:4.12'
+ androidTestImplementation 'androidx.test:runner:1.2.0'
+ androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
+ implementation 'androidx.appcompat:appcompat:1.1.0'
+}
diff --git a/app/proguard-rules.pro b/app/proguard-rules.pro
new file mode 100644
index 0000000..f1b4245
--- /dev/null
+++ b/app/proguard-rules.pro
@@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+# http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+# public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile
diff --git a/app/src/androidTest/java/xyz/lgvalle/surfaceduosample/ExampleInstrumentedTest.kt b/app/src/androidTest/java/xyz/lgvalle/surfaceduosample/ExampleInstrumentedTest.kt
new file mode 100644
index 0000000..ba9564d
--- /dev/null
+++ b/app/src/androidTest/java/xyz/lgvalle/surfaceduosample/ExampleInstrumentedTest.kt
@@ -0,0 +1,24 @@
+package xyz.lgvalle.surfaceduosample
+
+import androidx.test.platform.app.InstrumentationRegistry
+import androidx.test.ext.junit.runners.AndroidJUnit4
+
+import org.junit.Test
+import org.junit.runner.RunWith
+
+import org.junit.Assert.*
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+@RunWith(AndroidJUnit4::class)
+class ExampleInstrumentedTest {
+ @Test
+ fun useAppContext() {
+ // Context of the app under test.
+ val appContext = InstrumentationRegistry.getInstrumentation().targetContext
+ assertEquals("xyz.lgvalle.surfaceduosample", appContext.packageName)
+ }
+}
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
new file mode 100644
index 0000000..903f661
--- /dev/null
+++ b/app/src/main/AndroidManifest.xml
@@ -0,0 +1,23 @@
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/app/src/main/java/xyz/lgvalle/surfaceduosample/MainActivity.kt b/app/src/main/java/xyz/lgvalle/surfaceduosample/MainActivity.kt
new file mode 100644
index 0000000..9780da2
--- /dev/null
+++ b/app/src/main/java/xyz/lgvalle/surfaceduosample/MainActivity.kt
@@ -0,0 +1,77 @@
+package xyz.lgvalle.surfaceduosample
+
+import android.content.res.Configuration
+import android.os.Bundle
+import androidx.appcompat.app.AppCompatActivity
+import androidx.lifecycle.Observer
+import androidx.lifecycle.ViewModelProviders
+import com.microsoft.device.display.samples.utils.ScreenHelper
+import xyz.lgvalle.surfaceduosample.ui.main.Item
+import xyz.lgvalle.surfaceduosample.ui.main.ItemFragmentDetails
+import xyz.lgvalle.surfaceduosample.ui.main.ItemFragmentList
+import xyz.lgvalle.surfaceduosample.ui.main.ItemViewModel
+
+class MainActivity : AppCompatActivity() {
+
+ private val screenHelper = ScreenHelper()
+ private val isDuoDevice by lazy { screenHelper.initialize(this) }
+ private val viewModel by lazy { ViewModelProviders.of(this).get(ItemViewModel::class.java) }
+
+ private val dualModeIds = LayoutIdReference(
+ layoutId = R.layout.main_activity_dual_mode,
+ list = R.id.master_main,
+ details = R.id.master_detail
+ )
+ private val singleModelIds = LayoutIdReference(
+ layoutId = R.layout.main_activity_single_mode,
+ list = R.id.container,
+ details = R.id.container
+ )
+
+ override fun onCreate(savedInstanceState: Bundle?) {
+ super.onCreate(savedInstanceState)
+ setupLayout()
+ }
+
+ override fun onConfigurationChanged(newConfig: Configuration) {
+ super.onConfigurationChanged(newConfig)
+ setupLayout()
+ }
+
+ private fun setupLayout() {
+ showItemList(getLayoutIds())
+ viewModel.selectedItem.observe(this@MainActivity, Observer {
+ it?.let { showItemDetails(it) }
+ })
+ }
+
+ private fun showItemList(ids: LayoutIdReference) {
+ setContentView(ids.layoutId)
+
+ supportFragmentManager.beginTransaction()
+ .replace(ids.list, ItemFragmentList.newInstance())
+ .commitNow()
+ }
+
+ private fun showItemDetails(item: Item) {
+ val fragmentDetails = ItemFragmentDetails.newInstance(item)
+
+ supportFragmentManager.beginTransaction()
+ .add(getLayoutIds().details, fragmentDetails)
+ .addToBackStack(fragmentDetails.javaClass.name)
+ .commit()
+ }
+
+ override fun onBackPressed() {
+ super.onBackPressed()
+ viewModel.deselectAny()
+ }
+
+ private fun getLayoutIds() = when {
+ isDuoDevice && screenHelper.isDualMode -> dualModeIds
+ else -> singleModelIds
+ }
+
+ private data class LayoutIdReference(val layoutId: Int, val list: Int, val details: Int)
+}
+
diff --git a/app/src/main/java/xyz/lgvalle/surfaceduosample/ui/main/ItemFragmentDetails.kt b/app/src/main/java/xyz/lgvalle/surfaceduosample/ui/main/ItemFragmentDetails.kt
new file mode 100644
index 0000000..c653a38
--- /dev/null
+++ b/app/src/main/java/xyz/lgvalle/surfaceduosample/ui/main/ItemFragmentDetails.kt
@@ -0,0 +1,42 @@
+package xyz.lgvalle.surfaceduosample.ui.main
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.fragment.app.Fragment
+import kotlinx.android.synthetic.main.fragment_item_detail.view.*
+import xyz.lgvalle.surfaceduosample.R
+
+class ItemFragmentDetails : Fragment() {
+ private var item: Item? = null
+
+ override fun onCreate(savedInstanceState: Bundle?) {
+ super.onCreate(savedInstanceState)
+ arguments?.let {
+ item = it.getSerializable("item") as Item
+ }
+ }
+
+ override fun onCreateView(
+ inflater: LayoutInflater, container: ViewGroup?,
+ savedInstanceState: Bundle?
+ ): View? {
+ return inflater.inflate(R.layout.fragment_item_detail, container, false)
+ }
+
+ override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+ super.onViewCreated(view, savedInstanceState)
+ view.apply {
+ this.tvTitle.text = item?.id
+ this.tvBody.text = item?.content
+ }
+ }
+
+ companion object {
+ fun newInstance(item: Item) =
+ ItemFragmentDetails().apply {
+ arguments = Bundle().apply { putSerializable("item", item) }
+ }
+ }
+}
diff --git a/app/src/main/java/xyz/lgvalle/surfaceduosample/ui/main/ItemFragmentList.kt b/app/src/main/java/xyz/lgvalle/surfaceduosample/ui/main/ItemFragmentList.kt
new file mode 100644
index 0000000..9c315b4
--- /dev/null
+++ b/app/src/main/java/xyz/lgvalle/surfaceduosample/ui/main/ItemFragmentList.kt
@@ -0,0 +1,41 @@
+package xyz.lgvalle.surfaceduosample.ui.main
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.fragment.app.Fragment
+import androidx.lifecycle.Observer
+import androidx.lifecycle.ViewModelProviders
+import androidx.recyclerview.widget.LinearLayoutManager
+import kotlinx.android.synthetic.main.fragment_item_list.view.*
+import xyz.lgvalle.surfaceduosample.R
+
+class ItemFragmentList : Fragment() {
+
+ private val viewModel by lazy {
+ activity?.let { ViewModelProviders.of(it).get(ItemViewModel::class.java) }
+ }
+
+ override fun onCreateView(
+ inflater: LayoutInflater, container: ViewGroup?,
+ savedInstanceState: Bundle?
+ ): View? {
+ return inflater.inflate(R.layout.fragment_item_list, container, false)
+ }
+
+ override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+ super.onViewCreated(view, savedInstanceState)
+ view.item_list.layoutManager = LinearLayoutManager(this@ItemFragmentList.context)
+
+ viewModel?.apply {
+ items.observe(viewLifecycleOwner, Observer { items ->
+ view.item_list.adapter = ItemListViewAdapter(items) { item -> selectItem(item) }
+ })
+ }
+ }
+
+ companion object {
+ fun newInstance() = ItemFragmentList()
+ }
+}
diff --git a/app/src/main/java/xyz/lgvalle/surfaceduosample/ui/main/ItemListViewAdapter.kt b/app/src/main/java/xyz/lgvalle/surfaceduosample/ui/main/ItemListViewAdapter.kt
new file mode 100644
index 0000000..1b50688
--- /dev/null
+++ b/app/src/main/java/xyz/lgvalle/surfaceduosample/ui/main/ItemListViewAdapter.kt
@@ -0,0 +1,33 @@
+package xyz.lgvalle.surfaceduosample.ui.main
+
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.TextView
+import androidx.recyclerview.widget.RecyclerView
+import kotlinx.android.synthetic.main.fragment_item.view.*
+import xyz.lgvalle.surfaceduosample.R
+
+class ItemListViewAdapter(
+ private val mValues: List- ,
+ private val mListener: (Item) -> Unit
+) : RecyclerView.Adapter() {
+
+ override fun onCreateViewHolder(parent: ViewGroup, viewType: Int) = ViewHolder(
+ LayoutInflater.from(parent.context).inflate(R.layout.fragment_item, parent, false)
+ )
+
+ override fun onBindViewHolder(holder: ViewHolder, position: Int) {
+ val item = mValues[position]
+ holder.mIdView.text = item.id
+ holder.mContentView.text = item.content
+ holder.mView.setOnClickListener { mListener.invoke(item) }
+ }
+
+ override fun getItemCount(): Int = mValues.size
+
+ inner class ViewHolder(val mView: View) : RecyclerView.ViewHolder(mView) {
+ val mIdView: TextView = mView.item_id
+ val mContentView: TextView = mView.item_content
+ }
+}
diff --git a/app/src/main/java/xyz/lgvalle/surfaceduosample/ui/main/ItemViewModel.kt b/app/src/main/java/xyz/lgvalle/surfaceduosample/ui/main/ItemViewModel.kt
new file mode 100644
index 0000000..fccf34b
--- /dev/null
+++ b/app/src/main/java/xyz/lgvalle/surfaceduosample/ui/main/ItemViewModel.kt
@@ -0,0 +1,34 @@
+package xyz.lgvalle.surfaceduosample.ui.main
+
+import androidx.lifecycle.LiveData
+import androidx.lifecycle.MutableLiveData
+import androidx.lifecycle.ViewModel
+import java.io.Serializable
+
+class ItemViewModel : ViewModel() {
+ private val _selectedItem: MutableLiveData
- = MutableLiveData()
+ val selectedItem: LiveData
- = _selectedItem
+
+ private val _items = MutableLiveData
>().apply { postValue(ITEMS) }
+ val items: LiveData> = _items
+
+ fun selectItem(item: Item): Item? {
+ return ITEMS
+ .find { it == item }
+ ?.also { _selectedItem.postValue(it) }
+ }
+
+ fun deselectAny() {
+ _selectedItem.postValue(null)
+ }
+
+ companion object {
+ val ITEMS = listOf(
+ Item("Item 1", "This is the first item"),
+ Item("Item 2", "This is the second item"),
+ Item("Item 3", "This is the third item")
+ )
+ }
+}
+
+data class Item(val id: String, val content: String) : Serializable
diff --git a/app/src/main/res/drawable-v24/ic_launcher_foreground.xml b/app/src/main/res/drawable-v24/ic_launcher_foreground.xml
new file mode 100644
index 0000000..1f6bb29
--- /dev/null
+++ b/app/src/main/res/drawable-v24/ic_launcher_foreground.xml
@@ -0,0 +1,34 @@
+
+
+
+
+
+
+
+
+
+
+
diff --git a/app/src/main/res/drawable/ic_launcher_background.xml b/app/src/main/res/drawable/ic_launcher_background.xml
new file mode 100644
index 0000000..0d025f9
--- /dev/null
+++ b/app/src/main/res/drawable/ic_launcher_background.xml
@@ -0,0 +1,170 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/app/src/main/res/layout-land/main_activity_dual_mode.xml b/app/src/main/res/layout-land/main_activity_dual_mode.xml
new file mode 100644
index 0000000..24a268d
--- /dev/null
+++ b/app/src/main/res/layout-land/main_activity_dual_mode.xml
@@ -0,0 +1,27 @@
+
+
+
+
+
+
+
+
+
+
diff --git a/app/src/main/res/layout/fragment_item.xml b/app/src/main/res/layout/fragment_item.xml
new file mode 100644
index 0000000..7299cbb
--- /dev/null
+++ b/app/src/main/res/layout/fragment_item.xml
@@ -0,0 +1,20 @@
+
+
+
+
+
+
+
diff --git a/app/src/main/res/layout/fragment_item_detail.xml b/app/src/main/res/layout/fragment_item_detail.xml
new file mode 100644
index 0000000..d132715
--- /dev/null
+++ b/app/src/main/res/layout/fragment_item_detail.xml
@@ -0,0 +1,63 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/app/src/main/res/layout/fragment_item_list.xml b/app/src/main/res/layout/fragment_item_list.xml
new file mode 100644
index 0000000..090be7c
--- /dev/null
+++ b/app/src/main/res/layout/fragment_item_list.xml
@@ -0,0 +1,13 @@
+
+
diff --git a/app/src/main/res/layout/main_activity_dual_mode.xml b/app/src/main/res/layout/main_activity_dual_mode.xml
new file mode 100644
index 0000000..16e424f
--- /dev/null
+++ b/app/src/main/res/layout/main_activity_dual_mode.xml
@@ -0,0 +1,28 @@
+
+
+
+
+
+
+
+
+
+
diff --git a/app/src/main/res/layout/main_activity_single_mode.xml b/app/src/main/res/layout/main_activity_single_mode.xml
new file mode 100644
index 0000000..1de2219
--- /dev/null
+++ b/app/src/main/res/layout/main_activity_single_mode.xml
@@ -0,0 +1,7 @@
+
+
diff --git a/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml b/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
new file mode 100644
index 0000000..6b78462
--- /dev/null
+++ b/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
@@ -0,0 +1,5 @@
+
+
+
+
+
diff --git a/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml b/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
new file mode 100644
index 0000000..6b78462
--- /dev/null
+++ b/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
@@ -0,0 +1,5 @@
+
+
+
+
+
diff --git a/app/src/main/res/mipmap-hdpi/ic_launcher.png b/app/src/main/res/mipmap-hdpi/ic_launcher.png
new file mode 100644
index 0000000..898f3ed
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diff --git a/app/src/main/res/mipmap-hdpi/ic_launcher_round.png b/app/src/main/res/mipmap-hdpi/ic_launcher_round.png
new file mode 100644
index 0000000..dffca36
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diff --git a/app/src/main/res/mipmap-mdpi/ic_launcher.png b/app/src/main/res/mipmap-mdpi/ic_launcher.png
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diff --git a/app/src/main/res/mipmap-mdpi/ic_launcher_round.png b/app/src/main/res/mipmap-mdpi/ic_launcher_round.png
new file mode 100644
index 0000000..dae5e08
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diff --git a/app/src/main/res/mipmap-xhdpi/ic_launcher.png b/app/src/main/res/mipmap-xhdpi/ic_launcher.png
new file mode 100644
index 0000000..e5ed465
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diff --git a/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png b/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png
new file mode 100644
index 0000000..14ed0af
Binary files /dev/null and b/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png differ
diff --git a/app/src/main/res/mipmap-xxhdpi/ic_launcher.png b/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
new file mode 100644
index 0000000..b0907ca
Binary files /dev/null and b/app/src/main/res/mipmap-xxhdpi/ic_launcher.png differ
diff --git a/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png b/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png
new file mode 100644
index 0000000..d8ae031
Binary files /dev/null and b/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png differ
diff --git a/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png b/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png
new file mode 100644
index 0000000..2c18de9
Binary files /dev/null and b/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png differ
diff --git a/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png b/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png
new file mode 100644
index 0000000..beed3cd
Binary files /dev/null and b/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png differ
diff --git a/app/src/main/res/values/colors.xml b/app/src/main/res/values/colors.xml
new file mode 100644
index 0000000..a591b6f
--- /dev/null
+++ b/app/src/main/res/values/colors.xml
@@ -0,0 +1,9 @@
+
+
+ #008577
+ #00574B
+ #D81B60
+ #9E9E9E
+
+ #4cb5a6
+
diff --git a/app/src/main/res/values/dimens.xml b/app/src/main/res/values/dimens.xml
new file mode 100644
index 0000000..2926000
--- /dev/null
+++ b/app/src/main/res/values/dimens.xml
@@ -0,0 +1,4 @@
+
+
+ 16dp
+
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
new file mode 100644
index 0000000..8df5624
--- /dev/null
+++ b/app/src/main/res/values/strings.xml
@@ -0,0 +1,9 @@
+
+ Master/Detail Kotlin Sample
+
+ Hello blank fragment
+ Rating:
+ Details:
+ Title:
+ Item image
+
diff --git a/app/src/main/res/values/styles.xml b/app/src/main/res/values/styles.xml
new file mode 100644
index 0000000..5885930
--- /dev/null
+++ b/app/src/main/res/values/styles.xml
@@ -0,0 +1,11 @@
+
+
+
+
+
+
diff --git a/app/src/test/java/xyz/lgvalle/surfaceduosample/ExampleUnitTest.kt b/app/src/test/java/xyz/lgvalle/surfaceduosample/ExampleUnitTest.kt
new file mode 100644
index 0000000..ee2dfbb
--- /dev/null
+++ b/app/src/test/java/xyz/lgvalle/surfaceduosample/ExampleUnitTest.kt
@@ -0,0 +1,17 @@
+package xyz.lgvalle.surfaceduosample
+
+import org.junit.Test
+
+import org.junit.Assert.*
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+class ExampleUnitTest {
+ @Test
+ fun addition_isCorrect() {
+ assertEquals(4, 2 + 2)
+ }
+}
diff --git a/build.gradle b/build.gradle
new file mode 100644
index 0000000..eccd7a6
--- /dev/null
+++ b/build.gradle
@@ -0,0 +1,28 @@
+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+
+buildscript {
+ ext.kotlin_version = '1.3.50'
+ repositories {
+ google()
+ jcenter()
+
+ }
+ dependencies {
+ classpath 'com.android.tools.build:gradle:3.5.0'
+ classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+ // NOTE: Do not place your application dependencies here; they belong
+ // in the individual module build.gradle files
+ }
+}
+
+allprojects {
+ repositories {
+ google()
+ jcenter()
+
+ }
+}
+
+task clean(type: Delete) {
+ delete rootProject.buildDir
+}
diff --git a/gradle.properties b/gradle.properties
new file mode 100644
index 0000000..23339e0
--- /dev/null
+++ b/gradle.properties
@@ -0,0 +1,21 @@
+# Project-wide Gradle settings.
+# IDE (e.g. Android Studio) users:
+# Gradle settings configured through the IDE *will override*
+# any settings specified in this file.
+# For more details on how to configure your build environment visit
+# http://www.gradle.org/docs/current/userguide/build_environment.html
+# Specifies the JVM arguments used for the daemon process.
+# The setting is particularly useful for tweaking memory settings.
+org.gradle.jvmargs=-Xmx1536m
+# When configured, Gradle will run in incubating parallel mode.
+# This option should only be used with decoupled projects. More details, visit
+# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
+# org.gradle.parallel=true
+# AndroidX package structure to make it clearer which packages are bundled with the
+# Android operating system, and which are packaged with your app's APK
+# https://developer.android.com/topic/libraries/support-library/androidx-rn
+android.useAndroidX=true
+# Automatically convert third-party libraries to use AndroidX
+android.enableJetifier=true
+# Kotlin code style for this project: "official" or "obsolete":
+kotlin.code.style=official
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
new file mode 100644
index 0000000..f6b961f
Binary files /dev/null and b/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
new file mode 100644
index 0000000..8809bae
--- /dev/null
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -0,0 +1,6 @@
+#Mon Feb 10 15:51:43 CET 2020
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.4.1-all.zip
diff --git a/gradlew b/gradlew
new file mode 100755
index 0000000..cccdd3d
--- /dev/null
+++ b/gradlew
@@ -0,0 +1,172 @@
+#!/usr/bin/env sh
+
+##############################################################################
+##
+## Gradle start up script for UN*X
+##
+##############################################################################
+
+# 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\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+ echo "$*"
+}
+
+die () {
+ echo
+ echo "$*"
+ echo
+ exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+ CYGWIN* )
+ cygwin=true
+ ;;
+ Darwin* )
+ darwin=true
+ ;;
+ MINGW* )
+ msys=true
+ ;;
+ NONSTOP* )
+ nonstop=true
+ ;;
+esac
+
+CLASSPATH=$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 "$darwin" = "false" -a "$nonstop" = "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 "$CLASSPATH"`
+ JAVACMD=`cygpath --unix "$JAVACMD"`
+
+ # 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
+
+# Escape application args
+save () {
+ for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+ echo " "
+}
+APP_ARGS=$(save "$@")
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+ cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/gradlew.bat b/gradlew.bat
new file mode 100644
index 0000000..e95643d
--- /dev/null
+++ b/gradlew.bat
@@ -0,0 +1,84 @@
+@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
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@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=
+
+@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 Windows variants
+
+if not "%OS%" == "Windows_NT" goto win9xME_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=%*
+
+: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/settings.gradle b/settings.gradle
new file mode 100644
index 0000000..1f76d8a
--- /dev/null
+++ b/settings.gradle
@@ -0,0 +1,2 @@
+include ':app', ':utils'
+rootProject.name='SurfaceDuoSample'
diff --git a/utils/.gitignore b/utils/.gitignore
new file mode 100644
index 0000000..796b96d
--- /dev/null
+++ b/utils/.gitignore
@@ -0,0 +1 @@
+/build
diff --git a/utils/build.gradle b/utils/build.gradle
new file mode 100644
index 0000000..8721a64
--- /dev/null
+++ b/utils/build.gradle
@@ -0,0 +1,48 @@
+apply plugin: 'com.android.library'
+
+android {
+ compileSdkVersion 29
+ buildToolsVersion "29.0.2"
+
+
+ defaultConfig {
+ minSdkVersion 29
+ targetSdkVersion 29
+ versionCode 1
+ versionName "1.0"
+
+ testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+ consumerProguardFiles 'consumer-rules.pro'
+ }
+
+ buildTypes {
+ release {
+ minifyEnabled false
+ proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+ }
+ }
+
+ splits {
+ // Configures multiple APKs based on ABI.
+ abi {
+ // Enables building multiple APKs per ABI.
+ enable true
+ // By default all ABIs are included, so use reset() and include to specify that we only
+ // want APKs for x86 and x86_64.
+ // Resets the list of ABIs that Gradle should create APKs for to none.
+ reset()
+ // Specifies a list of ABIs that Gradle should create APKs for.
+ include "x86", "x86_64", "armeabi-v7a", "arm64-v8a"
+ // Specifies that we do not want to also generate a universal APK that includes all ABIs.
+ universalApk false
+ }
+ }
+}
+
+dependencies {
+ compileOnly fileTree(dir: 'libs', include: ['*.jar'])
+ implementation 'androidx.appcompat:appcompat:1.1.0'
+ testImplementation 'junit:junit:4.13'
+ androidTestImplementation 'androidx.test:runner:1.2.0'
+ androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
+}
diff --git a/utils/consumer-rules.pro b/utils/consumer-rules.pro
new file mode 100644
index 0000000..e69de29
diff --git a/utils/libs/com.microsoft.device.display.displaymask.jar b/utils/libs/com.microsoft.device.display.displaymask.jar
new file mode 100644
index 0000000..aabaf5e
Binary files /dev/null and b/utils/libs/com.microsoft.device.display.displaymask.jar differ
diff --git a/utils/proguard-rules.pro b/utils/proguard-rules.pro
new file mode 100644
index 0000000..f1b4245
--- /dev/null
+++ b/utils/proguard-rules.pro
@@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+# http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+# public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile
diff --git a/utils/src/androidTest/java/com/microsoft/device/display/samples/utils/ExampleInstrumentedTest.java b/utils/src/androidTest/java/com/microsoft/device/display/samples/utils/ExampleInstrumentedTest.java
new file mode 100644
index 0000000..91c702e
--- /dev/null
+++ b/utils/src/androidTest/java/com/microsoft/device/display/samples/utils/ExampleInstrumentedTest.java
@@ -0,0 +1,27 @@
+package com.microsoft.device.display.samples.utils;
+
+import android.content.Context;
+
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+import androidx.test.platform.app.InstrumentationRegistry;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import static org.junit.Assert.assertEquals;
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * @see Testing documentation
+ */
+@RunWith(AndroidJUnit4.class)
+public class ExampleInstrumentedTest {
+ @Test
+ public void useAppContext() {
+ // Context of the app under test.
+ Context appContext = InstrumentationRegistry.getInstrumentation().getTargetContext();
+
+ assertEquals("com.microsoft.device.display.samples.utils.test", appContext.getPackageName());
+ }
+}
diff --git a/utils/src/main/AndroidManifest.xml b/utils/src/main/AndroidManifest.xml
new file mode 100644
index 0000000..68fe3a4
--- /dev/null
+++ b/utils/src/main/AndroidManifest.xml
@@ -0,0 +1 @@
+
diff --git a/utils/src/main/java/com/microsoft/device/display/samples/utils/ScreenHelper.java b/utils/src/main/java/com/microsoft/device/display/samples/utils/ScreenHelper.java
new file mode 100644
index 0000000..3820f0c
--- /dev/null
+++ b/utils/src/main/java/com/microsoft/device/display/samples/utils/ScreenHelper.java
@@ -0,0 +1,105 @@
+/*
+ * Copyright (c) Microsoft Corporation. All rights reserved.
+ * Licensed under the MIT License.
+ */
+
+package com.microsoft.device.display.samples.utils;
+
+import android.app.Activity;
+import android.content.Context;
+import android.graphics.Rect;
+import android.view.WindowManager;
+
+import com.microsoft.device.display.DisplayMask;
+
+import java.util.List;
+
+public class ScreenHelper {
+ private DisplayMask mDisplayMask;
+ private Activity mActivity;
+
+ public boolean initialize(Activity activity) {
+ try {
+ mActivity = activity;
+ mDisplayMask = DisplayMask.fromResourcesRectApproximation(mActivity);
+ if (mDisplayMask == null) {
+ return false;
+ }
+ } catch (NoSuchMethodError | RuntimeException | NoClassDefFoundError ex) {
+ ex.printStackTrace();
+ return false;
+ }
+ return true;
+ }
+
+ private int getRotation() {
+ return getRotation(mActivity);
+ }
+
+ private Rect getHinge(int rotation) {
+ // Hinge's coordinates of its 4 edges in different mode
+ // Double Landscape Rect(0, 1350 - 1800, 1434)
+ // Double Portrait Rect(1350, 0 - 1434, 1800)
+ List boundings = mDisplayMask.getBoundingRectsForRotation(rotation);
+ return boundings.get(0);
+ }
+
+ private Rect getWindowRect() {
+ Rect windowRect = new Rect();
+ mActivity.getWindowManager().getDefaultDisplay().getRectSize(windowRect);
+ return windowRect;
+ }
+
+ private void getScreenRects(Rect windowRect, Rect hinge, Rect screenRect1, Rect screenRect2) {
+ // Hinge's coordinates of its 4 edges in different mode
+ // Double Landscape Rect(0, 1350 - 1800, 1434)
+ // Double Portrait Rect(1350, 0 - 1434, 1800)
+ if (hinge.left > 0) {
+ screenRect1.left = 0;
+ screenRect1.right = hinge.left;
+ screenRect1.top = 0;
+ screenRect1.bottom = windowRect.bottom;
+ screenRect2.left = hinge.right;
+ screenRect2.right = windowRect.right;
+ screenRect2.top = 0;
+ screenRect2.bottom = windowRect.bottom;
+ } else {
+ screenRect1.left = 0;
+ screenRect1.right = windowRect.right;
+ screenRect1.top = 0;
+ screenRect1.bottom = hinge.top;
+ screenRect2.left = 0;
+ screenRect2.right = windowRect.right;
+ screenRect2.top = hinge.bottom;
+ screenRect2.bottom = windowRect.bottom;
+ }
+ }
+
+ public void getScreenRects(Rect screenRect1, Rect screenRect2, int rotation) {
+ Rect hinge = getHinge(rotation);
+ Rect windowRect = getWindowRect();
+ getScreenRects(windowRect, hinge, screenRect1, screenRect2);
+ }
+
+ public boolean isDualMode() {
+ int rotation = getRotation();
+ Rect hinge = getHinge(rotation);
+ Rect windowRect = getWindowRect();
+
+ if (windowRect.width() > 0 && windowRect.height() > 0) {
+ // The windowRect doesn't intersect hinge
+ return hinge.intersect(windowRect);
+ }
+
+ return false;
+ }
+
+ public static int getRotation(Activity activity) {
+ WindowManager wm = (WindowManager) activity.getSystemService(Context.WINDOW_SERVICE);
+ int rotation = 0;
+ if (wm != null) {
+ rotation = wm.getDefaultDisplay().getRotation();
+ }
+ return rotation;
+ }
+}
diff --git a/utils/src/main/res/values/strings.xml b/utils/src/main/res/values/strings.xml
new file mode 100644
index 0000000..3ad9c84
--- /dev/null
+++ b/utils/src/main/res/values/strings.xml
@@ -0,0 +1,8 @@
+
+
+
+ utils
+
diff --git a/utils/src/test/java/com/microsoft/device/display/samples/utils/ExampleUnitTest.java b/utils/src/test/java/com/microsoft/device/display/samples/utils/ExampleUnitTest.java
new file mode 100644
index 0000000..aa94120
--- /dev/null
+++ b/utils/src/test/java/com/microsoft/device/display/samples/utils/ExampleUnitTest.java
@@ -0,0 +1,17 @@
+package com.microsoft.device.display.samples.utils;
+
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * @see Testing documentation
+ */
+public class ExampleUnitTest {
+ @Test
+ public void addition_isCorrect() {
+ assertEquals(4, 2 + 2);
+ }
+}
\ No newline at end of file