diff --git a/Labs/Lab2_DevelopmentEnvironment/Lab-DevelopmentEnvironment_AndroidStudio.pdf b/Labs/Lab2_DevelopmentEnvironment/Lab-DevelopmentEnvironment_AndroidStudio.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..b94c1c35ba2a6680fa3a6917b96225ac64e69b85
Binary files /dev/null and b/Labs/Lab2_DevelopmentEnvironment/Lab-DevelopmentEnvironment_AndroidStudio.pdf differ
diff --git a/Labs/Lab2_DevelopmentEnvironment/TheAnswer/.gitignore b/Labs/Lab2_DevelopmentEnvironment/TheAnswer/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..413575912a8cf38e5d82dc33d9d6c49f4289f2cf
--- /dev/null
+++ b/Labs/Lab2_DevelopmentEnvironment/TheAnswer/.gitignore
@@ -0,0 +1,5 @@
+.idea/
+.gradle/
+build/
+*.log
+local.properties
diff --git a/Labs/Lab2_DevelopmentEnvironment/TheAnswer/app/build.gradle b/Labs/Lab2_DevelopmentEnvironment/TheAnswer/app/build.gradle
new file mode 100755
index 0000000000000000000000000000000000000000..fcbbbe0a6846ae2ed6d48023747dbe9c775de847
--- /dev/null
+++ b/Labs/Lab2_DevelopmentEnvironment/TheAnswer/app/build.gradle
@@ -0,0 +1,42 @@
+plugins {
+ id 'com.android.application'
+ id 'org.jetbrains.kotlin.android'
+ id 'androidx.navigation.safeargs'
+}
+
+android {
+ compileSdkVersion build_versions.compile_sdk
+ defaultConfig {
+ minSdkVersion build_versions.min_sdk
+ targetSdkVersion build_versions.target_sdk
+ testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+ }
+
+ buildTypes {
+ release {
+ minifyEnabled false
+ proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+ }
+ }
+
+ compileOptions {
+ sourceCompatibility JavaVersion.VERSION_1_8
+ targetCompatibility JavaVersion.VERSION_1_8
+ }
+
+ kotlinOptions {
+ jvmTarget = '1.8'
+ }
+
+ buildFeatures {
+ viewBinding true
+ }
+}
+
+dependencies {
+ implementation deps.core_ktx
+ implementation deps.activity.activity_ktx
+ implementation deps.fragment.fragment_ktx
+ implementation deps.app_compat
+ implementation deps.material
+}
\ No newline at end of file
diff --git a/Labs/Lab2_DevelopmentEnvironment/TheAnswer/app/src/main/AndroidManifest.xml b/Labs/Lab2_DevelopmentEnvironment/TheAnswer/app/src/main/AndroidManifest.xml
new file mode 100755
index 0000000000000000000000000000000000000000..6571a893935f518cb3162984f919b9ab53ddc457
--- /dev/null
+++ b/Labs/Lab2_DevelopmentEnvironment/TheAnswer/app/src/main/AndroidManifest.xml
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+ package="course.examples.theanswer">
+
+ <application
+ android:icon="@mipmap/ic_launcher"
+ android:label="@string/app_name"
+ android:theme="@style/Theme.App" >
+ <activity
+ android:name="course.examples.theanswer.TheAnswer"
+ android:exported="true">
+ <intent-filter>
+ <action android:name="android.intent.action.MAIN" />
+
+ <category android:name="android.intent.category.LAUNCHER" />
+ </intent-filter>
+ </activity>
+ </application>
+
+</manifest>
diff --git a/Labs/Lab2_DevelopmentEnvironment/TheAnswer/app/src/main/java/course/examples/theanswer/TheAnswer.kt b/Labs/Lab2_DevelopmentEnvironment/TheAnswer/app/src/main/java/course/examples/theanswer/TheAnswer.kt
new file mode 100755
index 0000000000000000000000000000000000000000..16f647603a1ca1ee2cde9d9ca5f78a35d40c3b8e
--- /dev/null
+++ b/Labs/Lab2_DevelopmentEnvironment/TheAnswer/app/src/main/java/course/examples/theanswer/TheAnswer.kt
@@ -0,0 +1,40 @@
+package course.examples.theanswer
+
+import android.os.Bundle
+import android.widget.TextView
+import androidx.appcompat.app.AppCompatActivity
+import course.examples.theanswer.databinding.AnswerLayoutBinding
+
+class TheAnswer : AppCompatActivity() {
+
+ companion object {
+ private val answers = intArrayOf(42, -10, 0, 100, 1000)
+ private const val answer = 42
+ }
+
+ override fun onCreate(savedInstanceState: Bundle?) {
+
+ // Required call through to Activity.onCreate()‹
+ // Restore any saved instance state
+ super.onCreate(savedInstanceState)
+
+ // Set up the application's user interface (content view)
+ val binding = AnswerLayoutBinding.inflate(layoutInflater)
+ setContentView(binding.root)
+
+ val value = findAnswer()
+ val output =
+ if (value == answer) answer.toString() else getString(R.string.never_know_string)
+
+ // Get a reference to a TextView in the content view
+ // Set desired text in answerView TextView
+ binding.answerView.text = output
+ }
+
+ private fun findAnswer(): Int? {
+ // Incorrect behavior
+ return answers.firstOrNull { it == -answer }
+ // Correct behavior
+ // return answers.firstOrNull { it == answer }
+ }
+}
\ No newline at end of file
diff --git a/Labs/Lab2_DevelopmentEnvironment/TheAnswer/app/src/main/res/drawable/background_selector.xml b/Labs/Lab2_DevelopmentEnvironment/TheAnswer/app/src/main/res/drawable/background_selector.xml
new file mode 100644
index 0000000000000000000000000000000000000000..efbb7da7219d4af7053896463e67543bfd9a7c44
--- /dev/null
+++ b/Labs/Lab2_DevelopmentEnvironment/TheAnswer/app/src/main/res/drawable/background_selector.xml
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<ripple xmlns:android="http://schemas.android.com/apk/res/android"
+ android:color="?attr/rippleColor">
+ <item>
+ <selector>
+ <item android:state_checked="true">
+ <color android:color="?attr/colorControlHighlight" />
+ </item>
+ </selector>
+ </item>
+</ripple>
\ No newline at end of file
diff --git a/Labs/Lab2_DevelopmentEnvironment/TheAnswer/app/src/main/res/layout/answer_layout.xml b/Labs/Lab2_DevelopmentEnvironment/TheAnswer/app/src/main/res/layout/answer_layout.xml
new file mode 100755
index 0000000000000000000000000000000000000000..4dcb47e2f1cc1bed9014d8261e98c379e8b96246
--- /dev/null
+++ b/Labs/Lab2_DevelopmentEnvironment/TheAnswer/app/src/main/res/layout/answer_layout.xml
@@ -0,0 +1,29 @@
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:app="http://schemas.android.com/apk/res-auto"
+ android:layout_width="match_parent"
+ android:layout_height="match_parent"
+ android:padding="@dimen/activity_margin">
+
+ <TextView
+ android:id="@+id/text_view"
+ android:layout_width="wrap_content"
+ android:layout_height="wrap_content"
+ android:layout_marginTop="@dimen/activity_margin"
+ android:text="@string/question_string"
+ android:textAppearance="@android:style/TextAppearance.Material.Display1"
+ app:layout_constraintStart_toStartOf="parent"
+ app:layout_constraintTop_toTopOf="parent" />
+
+ <TextView
+ android:id="@+id/answer_view"
+ android:layout_width="wrap_content"
+ android:layout_height="wrap_content"
+ android:textAppearance="@android:style/TextAppearance.Material.Display3"
+ app:layout_constraintBottom_toBottomOf="parent"
+ app:layout_constraintEnd_toEndOf="parent"
+ app:layout_constraintHorizontal_bias="0.5"
+ app:layout_constraintStart_toStartOf="parent"
+ app:layout_constraintTop_toBottomOf="@+id/text_view"
+ app:layout_constraintVertical_bias="0.5" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/Labs/Lab2_DevelopmentEnvironment/TheAnswer/app/src/main/res/mipmap-hdpi/ic_launcher.png b/Labs/Lab2_DevelopmentEnvironment/TheAnswer/app/src/main/res/mipmap-hdpi/ic_launcher.png
new file mode 100755
index 0000000000000000000000000000000000000000..288b66551d1efd1f13dd06f20a67534d2df57946
Binary files /dev/null and b/Labs/Lab2_DevelopmentEnvironment/TheAnswer/app/src/main/res/mipmap-hdpi/ic_launcher.png differ
diff --git a/Labs/Lab2_DevelopmentEnvironment/TheAnswer/app/src/main/res/mipmap-mdpi/ic_launcher.png b/Labs/Lab2_DevelopmentEnvironment/TheAnswer/app/src/main/res/mipmap-mdpi/ic_launcher.png
new file mode 100755
index 0000000000000000000000000000000000000000..6ae570b4db4da165fada0650079061cb56aa8793
Binary files /dev/null and b/Labs/Lab2_DevelopmentEnvironment/TheAnswer/app/src/main/res/mipmap-mdpi/ic_launcher.png differ
diff --git a/Labs/Lab2_DevelopmentEnvironment/TheAnswer/app/src/main/res/mipmap-xhdpi/ic_launcher.png b/Labs/Lab2_DevelopmentEnvironment/TheAnswer/app/src/main/res/mipmap-xhdpi/ic_launcher.png
new file mode 100755
index 0000000000000000000000000000000000000000..d4fb7cd9d868f1d7d9964f1686dcbc018ef9495a
Binary files /dev/null and b/Labs/Lab2_DevelopmentEnvironment/TheAnswer/app/src/main/res/mipmap-xhdpi/ic_launcher.png differ
diff --git a/Labs/Lab2_DevelopmentEnvironment/TheAnswer/app/src/main/res/mipmap-xxhdpi/ic_launcher.png b/Labs/Lab2_DevelopmentEnvironment/TheAnswer/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
new file mode 100755
index 0000000000000000000000000000000000000000..85a6081587e2c2b9793d796ee7b07e12fdf860db
Binary files /dev/null and b/Labs/Lab2_DevelopmentEnvironment/TheAnswer/app/src/main/res/mipmap-xxhdpi/ic_launcher.png differ
diff --git a/Labs/Lab2_DevelopmentEnvironment/TheAnswer/app/src/main/res/values-night/themes.xml b/Labs/Lab2_DevelopmentEnvironment/TheAnswer/app/src/main/res/values-night/themes.xml
new file mode 100644
index 0000000000000000000000000000000000000000..9123e827341fca925a5c28120f5ded7c7bca280e
--- /dev/null
+++ b/Labs/Lab2_DevelopmentEnvironment/TheAnswer/app/src/main/res/values-night/themes.xml
@@ -0,0 +1,18 @@
+<resources xmlns:tools="http://schemas.android.com/tools">
+ <!-- Base application theme. -->
+ <style name="Theme.App" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
+ <!-- Primary brand color. -->
+ <item name="colorPrimary">@color/md_theme_dark_primary</item>
+ <item name="colorPrimaryVariant">@color/md_theme_dark_primaryContainer</item>
+ <item name="colorOnPrimary">@color/md_theme_dark_onPrimary</item>
+ <!-- Secondary brand color. -->
+ <item name="colorSecondary">@color/md_theme_dark_tertiary</item>
+ <item name="colorSecondaryVariant">@color/md_theme_dark_secondaryContainer</item>
+ <item name="colorOnSecondary">@color/md_theme_dark_onSecondary</item>
+ <item name="colorAccent">@color/md_theme_dark_tertiary</item>
+ <!-- Status bar color. -->
+ <item name="android:statusBarColor" tools:targetApi="l">?attr/colorPrimaryVariant</item>
+ <item name="android:selectableItemBackground" tools:targetApi="l">@drawable/background_selector</item>
+ <item name="rippleColor">@color/ripple_dark</item>
+ </style>
+</resources>
\ No newline at end of file
diff --git a/Labs/Lab2_DevelopmentEnvironment/TheAnswer/app/src/main/res/values/colors.xml b/Labs/Lab2_DevelopmentEnvironment/TheAnswer/app/src/main/res/values/colors.xml
new file mode 100644
index 0000000000000000000000000000000000000000..26457704997f68d33397000e00070c6d7624faf2
--- /dev/null
+++ b/Labs/Lab2_DevelopmentEnvironment/TheAnswer/app/src/main/res/values/colors.xml
@@ -0,0 +1,45 @@
+<resources>
+ <color name="md_theme_light_primary">#2196F3</color>
+ <color name="md_theme_light_onPrimary">#FFFFFF</color>
+ <color name="md_theme_light_primaryContainer">#1976D2</color>
+ <color name="md_theme_light_onPrimaryContainer">#001D36</color>
+ <color name="md_theme_light_secondary">#005FB1</color>
+ <color name="md_theme_light_onSecondary">#FFFFFF</color>
+ <color name="md_theme_light_secondaryContainer">#D3E3FF</color>
+ <color name="md_theme_light_tertiary">#EF5350</color>
+ <color name="md_theme_dark_primary">#9BCAFF</color>
+ <color name="md_theme_dark_onPrimary">#226AA2</color>
+ <color name="md_theme_dark_primaryContainer">#00497E</color>
+ <color name="md_theme_dark_secondary">#A4C8FF</color>
+ <color name="md_theme_dark_onSecondary">#003060</color>
+ <color name="md_theme_dark_secondaryContainer">#004788</color>
+ <color name="md_theme_dark_tertiary">#CF7C77</color>
+
+ <color name="ripple_light">#40FFFFFF</color>
+ <color name="ripple_dark">#40000000</color>
+
+ <color name="black">#FF000000</color>
+ <color name="white">#FFFFFFFF</color>
+
+ <!-- Old colors -->
+ <color name="red">#CC0000</color>
+ <color name="green">#00FF00</color>
+ <color name="blue">#0000FF</color>
+ <color name="yellow">#FFFF00</color>
+ <color name="gold">#FFD700</color>
+
+ <color name="primary">#FF5722</color>
+ <color name="primary_dark">#E64A19</color>
+ <color name="primary_light">#FFCCBC</color>
+ <color name="primary_disabled">#FFF8AD96</color>
+ <color name="accent">#536DFE</color>
+ <color name="primary_text">#212121</color>
+ <color name="secondary_text">#757575</color>
+ <color name="icons">#FFFFFF</color>
+ <color name="divider">#BDBDBD</color>
+
+ <color name="edit_text">#202020</color>
+ <color name="black_text_87">#DE000000</color>
+ <color name="black_text_54">#8A000000</color>
+ <color name="background_color">#08237e</color>
+</resources>
\ No newline at end of file
diff --git a/Labs/Lab2_DevelopmentEnvironment/TheAnswer/app/src/main/res/values/dimens.xml b/Labs/Lab2_DevelopmentEnvironment/TheAnswer/app/src/main/res/values/dimens.xml
new file mode 100644
index 0000000000000000000000000000000000000000..e54942850b4fdf8dabdf6563c4afc7ecc2694b16
--- /dev/null
+++ b/Labs/Lab2_DevelopmentEnvironment/TheAnswer/app/src/main/res/values/dimens.xml
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+ <!-- Default screen margins, per the Android Design guidelines. -->
+ <dimen name="activity_margin">16dp</dimen>
+ <dimen name="list_item_padding">8dp</dimen>
+ <dimen name="content_area_padding">8dp</dimen>
+</resources>
\ No newline at end of file
diff --git a/Labs/Lab2_DevelopmentEnvironment/TheAnswer/app/src/main/res/values/strings.xml b/Labs/Lab2_DevelopmentEnvironment/TheAnswer/app/src/main/res/values/strings.xml
new file mode 100755
index 0000000000000000000000000000000000000000..715b452e5a0b6ffad36d51f2bef90659ef8fc38a
--- /dev/null
+++ b/Labs/Lab2_DevelopmentEnvironment/TheAnswer/app/src/main/res/values/strings.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+
+ <string name="app_name">TheAnswer</string>
+ <string name="question_string">The answer to life, the universe and everything is:</string>
+ <string name="never_know_string">We may never know</string>
+
+</resources>
diff --git a/Labs/Lab2_DevelopmentEnvironment/TheAnswer/app/src/main/res/values/themes.xml b/Labs/Lab2_DevelopmentEnvironment/TheAnswer/app/src/main/res/values/themes.xml
new file mode 100644
index 0000000000000000000000000000000000000000..1af9fd9ff8b0a7159f0adf70c7d2d9fa4c30170b
--- /dev/null
+++ b/Labs/Lab2_DevelopmentEnvironment/TheAnswer/app/src/main/res/values/themes.xml
@@ -0,0 +1,27 @@
+<resources xmlns:tools="http://schemas.android.com/tools">
+ <!-- Base application theme. -->
+ <style name="Theme.App" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
+ <!-- Primary brand color. -->
+ <item name="colorPrimary">@color/md_theme_light_primary</item>
+ <item name="colorPrimaryVariant">@color/md_theme_light_primaryContainer</item>
+ <item name="colorOnPrimary">@color/md_theme_light_onPrimary</item>
+ <!-- Secondary brand color. -->
+ <item name="colorSecondary">@color/md_theme_light_tertiary</item>
+ <item name="colorSecondaryVariant">@color/md_theme_light_secondaryContainer</item>
+ <item name="colorOnSecondary">@color/md_theme_light_onSecondary</item>
+ <item name="colorAccent">@color/md_theme_light_tertiary</item>
+ <!-- Status bar color. -->
+ <item name="android:statusBarColor" tools:targetApi="l">?attr/colorPrimaryVariant</item>
+ <item name="android:selectableItemBackground" tools:targetApi="l">@drawable/background_selector</item>
+ <item name="rippleColor">@color/ripple_light</item>
+ </style>
+
+ <style name="Theme.App.NoActionBar">
+ <item name="windowActionBar">false</item>
+ <item name="windowNoTitle">true</item>
+ </style>
+
+ <style name="Theme.App.AppBarOverlay" parent="ThemeOverlay.AppCompat.Dark.ActionBar" />
+
+ <style name="Theme.App.PopupOverlay" parent="ThemeOverlay.AppCompat.Light" />
+</resources>
\ No newline at end of file
diff --git a/Labs/Lab2_DevelopmentEnvironment/TheAnswer/build.gradle b/Labs/Lab2_DevelopmentEnvironment/TheAnswer/build.gradle
new file mode 100644
index 0000000000000000000000000000000000000000..39df3f85d4159cc7e0ef4c4634c8c06f00e4b887
--- /dev/null
+++ b/Labs/Lab2_DevelopmentEnvironment/TheAnswer/build.gradle
@@ -0,0 +1,24 @@
+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+buildscript {
+ apply from: 'versions.gradle'
+
+ repositories {
+ google()
+ }
+
+ dependencies {
+ // Navigation safe-args plugin does had to be declared
+ // in a buildscript block and not in plugins block.
+ classpath deps.navigation.safe_args_plugin
+ }
+}
+
+plugins {
+ id 'com.android.application' version '7.2.2' apply false
+ id 'com.android.library' version '7.2.2' apply false
+ id 'org.jetbrains.kotlin.android' version '1.7.0' apply false
+}
+
+task clean(type: Delete) {
+ delete rootProject.buildDir
+}
\ No newline at end of file
diff --git a/Labs/Lab2_DevelopmentEnvironment/TheAnswer/gradle.properties b/Labs/Lab2_DevelopmentEnvironment/TheAnswer/gradle.properties
new file mode 100644
index 0000000000000000000000000000000000000000..cd0519bb2a9450033b80e5906f766b71d176014f
--- /dev/null
+++ b/Labs/Lab2_DevelopmentEnvironment/TheAnswer/gradle.properties
@@ -0,0 +1,23 @@
+# 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=-Xmx2048m -Dfile.encoding=UTF-8
+# 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
+# Kotlin code style for this project: "official" or "obsolete":
+kotlin.code.style=official
+# Enables namespacing of each library's R class so that its R class includes only the
+# resources declared in the library itself and none from the library's dependencies,
+# thereby reducing the size of the R class for that library
+android.nonTransitiveRClass=true
\ No newline at end of file
diff --git a/Labs/Lab2_DevelopmentEnvironment/TheAnswer/gradle/wrapper/gradle-wrapper.jar b/Labs/Lab2_DevelopmentEnvironment/TheAnswer/gradle/wrapper/gradle-wrapper.jar
new file mode 100644
index 0000000000000000000000000000000000000000..e708b1c023ec8b20f512888fe07c5bd3ff77bb8f
Binary files /dev/null and b/Labs/Lab2_DevelopmentEnvironment/TheAnswer/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/Labs/Lab2_DevelopmentEnvironment/TheAnswer/gradle/wrapper/gradle-wrapper.properties b/Labs/Lab2_DevelopmentEnvironment/TheAnswer/gradle/wrapper/gradle-wrapper.properties
new file mode 100644
index 0000000000000000000000000000000000000000..f18ff1e0008757e9cc7292d70348ee964da5a7c4
--- /dev/null
+++ b/Labs/Lab2_DevelopmentEnvironment/TheAnswer/gradle/wrapper/gradle-wrapper.properties
@@ -0,0 +1,6 @@
+#Sat Jun 04 15:15:23 EDT 2022
+distributionBase=GRADLE_USER_HOME
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.3.3-bin.zip
+distributionPath=wrapper/dists
+zipStorePath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
diff --git a/Labs/Lab2_DevelopmentEnvironment/TheAnswer/gradlew b/Labs/Lab2_DevelopmentEnvironment/TheAnswer/gradlew
new file mode 100755
index 0000000000000000000000000000000000000000..91a7e269e19dfc62e27137a0b57ef3e430cee4fd
--- /dev/null
+++ b/Labs/Lab2_DevelopmentEnvironment/TheAnswer/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/Labs/Lab2_DevelopmentEnvironment/TheAnswer/gradlew.bat b/Labs/Lab2_DevelopmentEnvironment/TheAnswer/gradlew.bat
new file mode 100755
index 0000000000000000000000000000000000000000..8a0b282aa6885fb573c106b3551f7275c5f17e8e
--- /dev/null
+++ b/Labs/Lab2_DevelopmentEnvironment/TheAnswer/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/Labs/Lab2_DevelopmentEnvironment/TheAnswer/settings.gradle b/Labs/Lab2_DevelopmentEnvironment/TheAnswer/settings.gradle
new file mode 100644
index 0000000000000000000000000000000000000000..1c96ad27c8a88406d4fa041a249237ddbcbbf1a8
--- /dev/null
+++ b/Labs/Lab2_DevelopmentEnvironment/TheAnswer/settings.gradle
@@ -0,0 +1,17 @@
+pluginManagement {
+ repositories {
+ gradlePluginPortal()
+ google()
+ mavenCentral()
+ }
+}
+
+dependencyResolutionManagement {
+ repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
+ repositories {
+ google()
+ mavenCentral()
+ }
+}
+
+include ':app'
diff --git a/Labs/Lab2_DevelopmentEnvironment/TheAnswer/versions.gradle b/Labs/Lab2_DevelopmentEnvironment/TheAnswer/versions.gradle
new file mode 100644
index 0000000000000000000000000000000000000000..55319b448eb67770c0bbc9b00f40a2eedff99d7c
--- /dev/null
+++ b/Labs/Lab2_DevelopmentEnvironment/TheAnswer/versions.gradle
@@ -0,0 +1,163 @@
+ext.deps = [:]
+
+def versions = [:]
+
+versions.activity = '1.4.0'
+versions.annotations = "1.3.0"
+versions.apache_commons = "2.5"
+versions.appcompat = "1.4.1"
+versions.arch_core = "2.1.0"
+versions.cardview = "1.0.0"
+versions.constraint_layout = "2.1.3"
+versions.core_ktx = "1.7.0"
+versions.coroutines = "1.6.0"
+versions.fragment = "1.4.1"
+versions.junit = "4.12"
+versions.lifecycle = "2.4.1"
+versions.material = "1.5.0"
+versions.navigation = "2.4.2"
+versions.recyclerview = "1.2.1"
+versions.truth = "1.0.1"
+versions.firebase_auth = "21.0.3"
+versions.firebase_database = "20.0.4"
+versions.gson = "2.9.0"
+versions.ktor = "1.0.0"
+versions.preference = "1.2.0"
+versions.play_maps = "18.0.2"
+versions.play_auth = "20.1.0"
+versions.play_location = "19.0.1"
+versions.viewpager2 = "1.0.0"
+versions.databinding = "7.1.2"
+versions.google_gms = "4.3.10"
+versions.recyclerview_selection = "1.1.0"
+versions.palette = "1.0.0"
+
+ext.versions = versions
+
+def build_versions = [:]
+build_versions.min_sdk = 26
+build_versions.compile_sdk = 32
+build_versions.target_sdk = 32
+ext.build_versions = build_versions
+
+def deps = [:]
+
+def play_services = [:]
+play_services.maps = "com.google.android.gms:play-services-maps:$versions.play_maps"
+play_services.auth = "com.google.android.gms:play-services-auth:$versions.play_auth"
+play_services.location = "com.google.android.gms:play-services-location:$versions.play_location"
+play_services.gms = "com.google.gms:google-services:$versions.google_gms"
+deps.play_services = play_services
+
+def activity = [:]
+activity.runtime = "androidx.activity:activity:$versions.activity"
+activity.activity_ktx = "androidx.activity:activity-ktx:$versions.activity"
+deps.activity = activity
+
+deps.android_gradle_plugin = "com.android.tools.build:gradle:$versions.android_gradle_plugin"
+
+deps.annotations = "androidx.annotation:annotation:$versions.annotations"
+
+deps.app_compat = "androidx.appcompat:appcompat:$versions.appcompat"
+
+def databinding = [:]
+databinding.runtime = "androidx.databinding:databinding-runtime:$versions.databinding"
+databinding.databinding_ktx = "androidx.databinding:databinding-ktx:$versions.databinding"
+deps.databinding = databinding
+
+deps.viewpager2 = "androidx.viewpager2:viewpager2:$versions.viewpager2"
+
+def arch_core = [:]
+arch_core.runtime = "androidx.arch.core:core-runtime:$versions.arch_core"
+arch_core.testing = "androidx.arch.core:core-testing:$versions.arch_core"
+deps.arch_core = arch_core
+
+def atsl = [:]
+atsl.core = "androidx.test:core:$versions.atsl_core"
+atsl.ext_junit = "androidx.test.ext:junit:$versions.atsl_junit"
+atsl.ext_junit_ktx = "androidx.test.ext:junit-ktx:$versions.atsl_junit"
+atsl.runner = "androidx.test:runner:$versions.atsl_runner"
+atsl.rules = "androidx.test:rules:$versions.atsl_rules"
+deps.atsl = atsl
+
+deps.cardview = "androidx.cardview:cardview:$versions.cardview"
+
+deps.constraint_layout = "androidx.constraintlayout:constraintlayout:$versions.constraint_layout"
+
+deps.core_ktx = "androidx.core:core-ktx:$versions.core_ktx"
+
+def coroutines = [:]
+coroutines.core = "org.jetbrains.kotlinx:kotlinx-coroutines-core:$versions.coroutines"
+coroutines.android = "org.jetbrains.kotlinx:kotlinx-coroutines-android:$versions.coroutines"
+deps.coroutines = coroutines
+
+def fragment = [:]
+fragment.runtime = "androidx.fragment:fragment:${versions.fragment}"
+fragment.fragment_ktx = "androidx.fragment:fragment-ktx:${versions.fragment}"
+deps.fragment = fragment
+
+deps.junit = "junit:junit:$versions.junit"
+
+def kotlin = [:]
+kotlin.test = "org.jetbrains.kotlin:kotlin-test-junit:$versions.kotlin"
+kotlin.plugin = "org.jetbrains.kotlin:kotlin-gradle-plugin:$versions.kotlin"
+kotlin.allopen = "org.jetbrains.kotlin:kotlin-allopen:$versions.kotlin"
+deps.kotlin = kotlin
+
+def lifecycle = [:]
+lifecycle.runtime = "androidx.lifecycle:lifecycle-runtime:$versions.lifecycle"
+lifecycle.runtime_ktx = "androidx.lifecycle:lifecycle-runtime-ktx:$versions.lifecycle"
+lifecycle.java8 = "androidx.lifecycle:lifecycle-common-java8:$versions.lifecycle"
+lifecycle.compiler = "androidx.lifecycle:lifecycle-compiler:$versions.lifecycle"
+lifecycle.viewmodel_ktx = "androidx.lifecycle:lifecycle-viewmodel-ktx:$versions.lifecycle"
+lifecycle.livedata_ktx = "androidx.lifecycle:lifecycle-livedata-ktx:$versions.lifecycle"
+lifecycle.extensions = "androidx.lifecycle:lifecycle-extensions:$versions.lifecycle"
+deps.lifecycle = lifecycle
+
+deps.material = "com.google.android.material:material:$versions.material"
+
+def navigation = [:]
+navigation.runtime = "androidx.navigation:navigation-runtime:$versions.navigation"
+navigation.runtime_ktx = "androidx.navigation:navigation-runtime-ktx:$versions.navigation"
+navigation.fragment = "androidx.navigation:navigation-fragment:$versions.navigation"
+navigation.fragment_ktx = "androidx.navigation:navigation-fragment-ktx:$versions.navigation"
+navigation.testing = "androidx.navigation:navigation-testing:$versions.navigation"
+navigation.ui = "androidx.navigation:navigation-ui:$versions.navigation"
+navigation.ui_ktx = "androidx.navigation:navigation-ui-ktx:$versions.navigation"
+navigation.safe_args_plugin = "androidx.navigation:navigation-safe-args-gradle-plugin:$versions.navigation"
+deps.navigation = navigation
+
+def ktor = [:]
+ktor.client_core = "io.ktor:ktor-client-core:$versions.ktor"
+ktor.client_cio = "io.ktor:ktor-client-cio:$versions.ktor"
+deps.ktor = ktor
+
+def recyclerview = [:]
+recyclerview.core = "androidx.recyclerview:recyclerview:$versions.recyclerview"
+recyclerview.selection = "androidx.recyclerview:recyclerview-selection:$versions.recyclerview_selection"
+deps.recyclerview = recyclerview
+
+deps.transition = "androidx.transition:transition:$versions.transition"
+
+def preference = [:]
+preference.runtime = "androidx.preference:preference:$versions.preference"
+preference.preference_ktx = "androidx.preference:preference-ktx:$versions.preference"
+deps.preference = preference
+
+deps.gson = "com.google.code.gson:gson:$versions.gson"
+
+def firebase = [:]
+firebase.auth = "com.google.firebase:firebase-auth:$versions.firebase_auth"
+firebase.database = "com.google.firebase:firebase-database:$versions.firebase_database"
+deps.firebase = firebase
+
+deps.palette = "androidx.palette:palette:$versions.palette"
+deps.palette_ktx = "androidx.palette:palette-ktx:$versions.palette"
+
+ext.deps = deps
+
+static def addRepos(RepositoryHandler handler) {
+ handler.google()
+ handler.mavenCentral()
+}
+ext.addRepos = this.&addRepos
\ No newline at end of file