diff --git a/.idea/deploymentTargetSelector.xml b/.idea/deploymentTargetSelector.xml
new file mode 100644
index 0000000..b268ef3
--- /dev/null
+++ b/.idea/deploymentTargetSelector.xml
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="deploymentTargetSelector">
+    <selectionStates>
+      <SelectionState runConfigName="app">
+        <option name="selectionMode" value="DROPDOWN" />
+      </SelectionState>
+    </selectionStates>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/gradle.xml b/.idea/gradle.xml
index ae388c2..0897082 100644
--- a/.idea/gradle.xml
+++ b/.idea/gradle.xml
@@ -4,16 +4,15 @@
   <component name="GradleSettings">
     <option name="linkedExternalProjectsSettings">
       <GradleProjectSettings>
-        <option name="testRunner" value="GRADLE" />
-        <option name="distributionType" value="DEFAULT_WRAPPED" />
         <option name="externalProjectPath" value="$PROJECT_DIR$" />
-        <option name="gradleJvm" value="jbr-17" />
+        <option name="gradleJvm" value="#GRADLE_LOCAL_JAVA_HOME" />
         <option name="modules">
           <set>
             <option value="$PROJECT_DIR$" />
             <option value="$PROJECT_DIR$/app" />
           </set>
         </option>
+        <option name="resolveExternalAnnotations" value="false" />
       </GradleProjectSettings>
     </option>
   </component>
diff --git a/.idea/migrations.xml b/.idea/migrations.xml
new file mode 100644
index 0000000..f8051a6
--- /dev/null
+++ b/.idea/migrations.xml
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectMigrations">
+    <option name="MigrateToGradleLocalJavaHome">
+      <set>
+        <option value="$PROJECT_DIR$" />
+      </set>
+    </option>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/other.xml b/.idea/other.xml
new file mode 100644
index 0000000..94c96f6
--- /dev/null
+++ b/.idea/other.xml
@@ -0,0 +1,318 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="direct_access_persist.xml">
+    <option name="deviceSelectionList">
+      <list>
+        <PersistentDeviceSelectionData>
+          <option name="api" value="27" />
+          <option name="brand" value="DOCOMO" />
+          <option name="codename" value="F01L" />
+          <option name="id" value="F01L" />
+          <option name="manufacturer" value="FUJITSU" />
+          <option name="name" value="F-01L" />
+          <option name="screenDensity" value="360" />
+          <option name="screenX" value="720" />
+          <option name="screenY" value="1280" />
+        </PersistentDeviceSelectionData>
+        <PersistentDeviceSelectionData>
+          <option name="api" value="28" />
+          <option name="brand" value="DOCOMO" />
+          <option name="codename" value="SH-01L" />
+          <option name="id" value="SH-01L" />
+          <option name="manufacturer" value="SHARP" />
+          <option name="name" value="AQUOS sense2 SH-01L" />
+          <option name="screenDensity" value="480" />
+          <option name="screenX" value="1080" />
+          <option name="screenY" value="2160" />
+        </PersistentDeviceSelectionData>
+        <PersistentDeviceSelectionData>
+          <option name="api" value="31" />
+          <option name="brand" value="samsung" />
+          <option name="codename" value="a51" />
+          <option name="id" value="a51" />
+          <option name="manufacturer" value="Samsung" />
+          <option name="name" value="Galaxy A51" />
+          <option name="screenDensity" value="420" />
+          <option name="screenX" value="1080" />
+          <option name="screenY" value="2400" />
+        </PersistentDeviceSelectionData>
+        <PersistentDeviceSelectionData>
+          <option name="api" value="34" />
+          <option name="brand" value="google" />
+          <option name="codename" value="akita" />
+          <option name="id" value="akita" />
+          <option name="manufacturer" value="Google" />
+          <option name="name" value="Pixel 8a" />
+          <option name="screenDensity" value="420" />
+          <option name="screenX" value="1080" />
+          <option name="screenY" value="2400" />
+        </PersistentDeviceSelectionData>
+        <PersistentDeviceSelectionData>
+          <option name="api" value="33" />
+          <option name="brand" value="samsung" />
+          <option name="codename" value="b0q" />
+          <option name="id" value="b0q" />
+          <option name="manufacturer" value="Samsung" />
+          <option name="name" value="Galaxy S22 Ultra" />
+          <option name="screenDensity" value="600" />
+          <option name="screenX" value="1440" />
+          <option name="screenY" value="3088" />
+        </PersistentDeviceSelectionData>
+        <PersistentDeviceSelectionData>
+          <option name="api" value="32" />
+          <option name="brand" value="google" />
+          <option name="codename" value="bluejay" />
+          <option name="id" value="bluejay" />
+          <option name="manufacturer" value="Google" />
+          <option name="name" value="Pixel 6a" />
+          <option name="screenDensity" value="420" />
+          <option name="screenX" value="1080" />
+          <option name="screenY" value="2400" />
+        </PersistentDeviceSelectionData>
+        <PersistentDeviceSelectionData>
+          <option name="api" value="34" />
+          <option name="brand" value="google" />
+          <option name="codename" value="caiman" />
+          <option name="id" value="caiman" />
+          <option name="manufacturer" value="Google" />
+          <option name="name" value="Pixel 9 Pro" />
+          <option name="screenDensity" value="360" />
+          <option name="screenX" value="960" />
+          <option name="screenY" value="2142" />
+        </PersistentDeviceSelectionData>
+        <PersistentDeviceSelectionData>
+          <option name="api" value="34" />
+          <option name="brand" value="google" />
+          <option name="codename" value="comet" />
+          <option name="id" value="comet" />
+          <option name="manufacturer" value="Google" />
+          <option name="name" value="Pixel 9 Pro Fold" />
+          <option name="screenDensity" value="390" />
+          <option name="screenX" value="2076" />
+          <option name="screenY" value="2152" />
+        </PersistentDeviceSelectionData>
+        <PersistentDeviceSelectionData>
+          <option name="api" value="29" />
+          <option name="brand" value="samsung" />
+          <option name="codename" value="crownqlteue" />
+          <option name="id" value="crownqlteue" />
+          <option name="manufacturer" value="Samsung" />
+          <option name="name" value="Galaxy Note9" />
+          <option name="screenDensity" value="420" />
+          <option name="screenX" value="2220" />
+          <option name="screenY" value="1080" />
+        </PersistentDeviceSelectionData>
+        <PersistentDeviceSelectionData>
+          <option name="api" value="34" />
+          <option name="brand" value="samsung" />
+          <option name="codename" value="dm3q" />
+          <option name="id" value="dm3q" />
+          <option name="manufacturer" value="Samsung" />
+          <option name="name" value="Galaxy S23 Ultra" />
+          <option name="screenDensity" value="600" />
+          <option name="screenX" value="1440" />
+          <option name="screenY" value="3088" />
+        </PersistentDeviceSelectionData>
+        <PersistentDeviceSelectionData>
+          <option name="api" value="34" />
+          <option name="brand" value="samsung" />
+          <option name="codename" value="e1q" />
+          <option name="id" value="e1q" />
+          <option name="manufacturer" value="Samsung" />
+          <option name="name" value="Galaxy S24" />
+          <option name="screenDensity" value="480" />
+          <option name="screenX" value="1080" />
+          <option name="screenY" value="2340" />
+        </PersistentDeviceSelectionData>
+        <PersistentDeviceSelectionData>
+          <option name="api" value="33" />
+          <option name="brand" value="google" />
+          <option name="codename" value="felix" />
+          <option name="id" value="felix" />
+          <option name="manufacturer" value="Google" />
+          <option name="name" value="Pixel Fold" />
+          <option name="screenDensity" value="420" />
+          <option name="screenX" value="2208" />
+          <option name="screenY" value="1840" />
+        </PersistentDeviceSelectionData>
+        <PersistentDeviceSelectionData>
+          <option name="api" value="34" />
+          <option name="brand" value="google" />
+          <option name="codename" value="felix" />
+          <option name="id" value="felix" />
+          <option name="manufacturer" value="Google" />
+          <option name="name" value="Pixel Fold" />
+          <option name="screenDensity" value="420" />
+          <option name="screenX" value="2208" />
+          <option name="screenY" value="1840" />
+        </PersistentDeviceSelectionData>
+        <PersistentDeviceSelectionData>
+          <option name="api" value="33" />
+          <option name="brand" value="google" />
+          <option name="codename" value="felix_camera" />
+          <option name="id" value="felix_camera" />
+          <option name="manufacturer" value="Google" />
+          <option name="name" value="Pixel Fold (Camera-enabled)" />
+          <option name="screenDensity" value="420" />
+          <option name="screenX" value="2208" />
+          <option name="screenY" value="1840" />
+        </PersistentDeviceSelectionData>
+        <PersistentDeviceSelectionData>
+          <option name="api" value="33" />
+          <option name="brand" value="samsung" />
+          <option name="codename" value="gts8uwifi" />
+          <option name="id" value="gts8uwifi" />
+          <option name="manufacturer" value="Samsung" />
+          <option name="name" value="Galaxy Tab S8 Ultra" />
+          <option name="screenDensity" value="320" />
+          <option name="screenX" value="1848" />
+          <option name="screenY" value="2960" />
+        </PersistentDeviceSelectionData>
+        <PersistentDeviceSelectionData>
+          <option name="api" value="34" />
+          <option name="brand" value="google" />
+          <option name="codename" value="husky" />
+          <option name="id" value="husky" />
+          <option name="manufacturer" value="Google" />
+          <option name="name" value="Pixel 8 Pro" />
+          <option name="screenDensity" value="390" />
+          <option name="screenX" value="1008" />
+          <option name="screenY" value="2244" />
+        </PersistentDeviceSelectionData>
+        <PersistentDeviceSelectionData>
+          <option name="api" value="30" />
+          <option name="brand" value="motorola" />
+          <option name="codename" value="java" />
+          <option name="id" value="java" />
+          <option name="manufacturer" value="Motorola" />
+          <option name="name" value="G20" />
+          <option name="screenDensity" value="280" />
+          <option name="screenX" value="720" />
+          <option name="screenY" value="1600" />
+        </PersistentDeviceSelectionData>
+        <PersistentDeviceSelectionData>
+          <option name="api" value="34" />
+          <option name="brand" value="google" />
+          <option name="codename" value="komodo" />
+          <option name="id" value="komodo" />
+          <option name="manufacturer" value="Google" />
+          <option name="name" value="Pixel 9 Pro XL" />
+          <option name="screenDensity" value="360" />
+          <option name="screenX" value="1008" />
+          <option name="screenY" value="2244" />
+        </PersistentDeviceSelectionData>
+        <PersistentDeviceSelectionData>
+          <option name="api" value="33" />
+          <option name="brand" value="google" />
+          <option name="codename" value="lynx" />
+          <option name="id" value="lynx" />
+          <option name="manufacturer" value="Google" />
+          <option name="name" value="Pixel 7a" />
+          <option name="screenDensity" value="420" />
+          <option name="screenX" value="1080" />
+          <option name="screenY" value="2400" />
+        </PersistentDeviceSelectionData>
+        <PersistentDeviceSelectionData>
+          <option name="api" value="31" />
+          <option name="brand" value="google" />
+          <option name="codename" value="oriole" />
+          <option name="id" value="oriole" />
+          <option name="manufacturer" value="Google" />
+          <option name="name" value="Pixel 6" />
+          <option name="screenDensity" value="420" />
+          <option name="screenX" value="1080" />
+          <option name="screenY" value="2400" />
+        </PersistentDeviceSelectionData>
+        <PersistentDeviceSelectionData>
+          <option name="api" value="33" />
+          <option name="brand" value="google" />
+          <option name="codename" value="panther" />
+          <option name="id" value="panther" />
+          <option name="manufacturer" value="Google" />
+          <option name="name" value="Pixel 7" />
+          <option name="screenDensity" value="420" />
+          <option name="screenX" value="1080" />
+          <option name="screenY" value="2400" />
+        </PersistentDeviceSelectionData>
+        <PersistentDeviceSelectionData>
+          <option name="api" value="34" />
+          <option name="brand" value="samsung" />
+          <option name="codename" value="q5q" />
+          <option name="id" value="q5q" />
+          <option name="manufacturer" value="Samsung" />
+          <option name="name" value="Galaxy Z Fold5" />
+          <option name="screenDensity" value="420" />
+          <option name="screenX" value="1812" />
+          <option name="screenY" value="2176" />
+        </PersistentDeviceSelectionData>
+        <PersistentDeviceSelectionData>
+          <option name="api" value="30" />
+          <option name="brand" value="google" />
+          <option name="codename" value="r11" />
+          <option name="id" value="r11" />
+          <option name="manufacturer" value="Google" />
+          <option name="name" value="Pixel Watch" />
+          <option name="screenDensity" value="320" />
+          <option name="screenX" value="384" />
+          <option name="screenY" value="384" />
+          <option name="type" value="WEAR_OS" />
+        </PersistentDeviceSelectionData>
+        <PersistentDeviceSelectionData>
+          <option name="api" value="30" />
+          <option name="brand" value="google" />
+          <option name="codename" value="redfin" />
+          <option name="id" value="redfin" />
+          <option name="manufacturer" value="Google" />
+          <option name="name" value="Pixel 5" />
+          <option name="screenDensity" value="440" />
+          <option name="screenX" value="1080" />
+          <option name="screenY" value="2340" />
+        </PersistentDeviceSelectionData>
+        <PersistentDeviceSelectionData>
+          <option name="api" value="34" />
+          <option name="brand" value="google" />
+          <option name="codename" value="shiba" />
+          <option name="id" value="shiba" />
+          <option name="manufacturer" value="Google" />
+          <option name="name" value="Pixel 8" />
+          <option name="screenDensity" value="420" />
+          <option name="screenX" value="1080" />
+          <option name="screenY" value="2400" />
+        </PersistentDeviceSelectionData>
+        <PersistentDeviceSelectionData>
+          <option name="api" value="33" />
+          <option name="brand" value="google" />
+          <option name="codename" value="tangorpro" />
+          <option name="id" value="tangorpro" />
+          <option name="manufacturer" value="Google" />
+          <option name="name" value="Pixel Tablet" />
+          <option name="screenDensity" value="320" />
+          <option name="screenX" value="1600" />
+          <option name="screenY" value="2560" />
+        </PersistentDeviceSelectionData>
+        <PersistentDeviceSelectionData>
+          <option name="api" value="34" />
+          <option name="brand" value="google" />
+          <option name="codename" value="tokay" />
+          <option name="id" value="tokay" />
+          <option name="manufacturer" value="Google" />
+          <option name="name" value="Pixel 9" />
+          <option name="screenDensity" value="420" />
+          <option name="screenX" value="1080" />
+          <option name="screenY" value="2424" />
+        </PersistentDeviceSelectionData>
+        <PersistentDeviceSelectionData>
+          <option name="api" value="29" />
+          <option name="brand" value="samsung" />
+          <option name="codename" value="x1q" />
+          <option name="id" value="x1q" />
+          <option name="manufacturer" value="Samsung" />
+          <option name="name" value="Galaxy S20" />
+          <option name="screenDensity" value="480" />
+          <option name="screenX" value="1440" />
+          <option name="screenY" value="3200" />
+        </PersistentDeviceSelectionData>
+      </list>
+    </option>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000..35eb1dd
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/app/src/main/java/edu/temple/helloworld/MainActivity.kt b/app/src/main/java/edu/temple/helloworld/MainActivity.kt
index afedb6d..1c36adc 100644
--- a/app/src/main/java/edu/temple/helloworld/MainActivity.kt
+++ b/app/src/main/java/edu/temple/helloworld/MainActivity.kt
@@ -10,6 +10,7 @@ class MainActivity : AppCompatActivity() {
 
     // Declare view properties - the first one is done for you
     lateinit var displayTextView: TextView
+    lateinit var nameEditText: EditText
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
@@ -17,10 +18,15 @@ class MainActivity : AppCompatActivity() {
 
         // Initialize with views defined in Layout - the first one is done for you
         displayTextView = findViewById(R.id.displayTextView)
-
+        nameEditText = findViewById(R.id.nameEditText)
         
         findViewById<Button>(R.id.clickMeButton).setOnClickListener {
-            displayTextView.text = "Hello, ${findViewById<EditText>(R.id.nameEditText).text}"
+            if(nameEditText.text.isEmpty()){
+                displayTextView.text = "Hello, World!"
+                nameEditText.error = "Please enter your name"
+                return@setOnClickListener
+            }
+            displayTextView.text = "Hello, ${nameEditText.text}"
         }
 
 
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index ed108fc..a89eb3b 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -8,30 +8,52 @@
 
     <TextView
         android:id="@+id/displayTextView"
-        android:layout_width="411dp"
+        android:layout_width="0dp"
         android:layout_height="wrap_content"
+        android:layout_marginTop="53dp"
         android:gravity="center"
         android:text="Hello World!"
         android:textSize="24sp"
-        tools:layout_editor_absoluteY="53dp" />
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
 
     <Button
         android:id="@+id/clickMeButton"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
+        android:layout_marginTop="52dp"
         android:text="Click Me"
-        tools:layout_editor_absoluteX="154dp"
-        tools:layout_editor_absoluteY="340dp" />
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/nameEditText" />
 
     <EditText
         android:id="@+id/nameEditText"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
+        android:layout_marginTop="240dp"
         android:ems="10"
         android:hint="Enter your name"
         android:inputType="textPersonName"
         android:minHeight="48dp"
-        tools:layout_editor_absoluteX="101dp"
-        tools:layout_editor_absoluteY="240dp" />
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:id="@+id/constraintLayout"
+        android:layout_width="0dp"
+        android:layout_height="0dp"
+        android:layout_marginStart="1dp"
+        android:layout_marginTop="1dp"
+        android:layout_marginEnd="1dp"
+        android:layout_marginBottom="1dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent">
+
+    </androidx.constraintlayout.widget.ConstraintLayout>
 
 </androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/build.gradle b/build.gradle
index 855b96a..a6955f1 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,6 +1,6 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 plugins {
-    id 'com.android.application' version '8.1.0' apply false
-    id 'com.android.library' version '8.1.0' apply false
+    id 'com.android.application' version '8.5.2' apply false
+    id 'com.android.library' version '8.5.2' apply false
     id 'org.jetbrains.kotlin.android' version '1.7.20' apply false
 }
\ No newline at end of file
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index d5b1981..d07e79e 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
 #Wed Jan 25 22:41:51 EST 2023
 distributionBase=GRADLE_USER_HOME
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.0-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.7-bin.zip
 distributionPath=wrapper/dists
 zipStorePath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME