diff --git a/app/src/androidTest/java/com/example/myapplication/ExampleInstrumentedTest.kt b/app/src/androidTest/java/ca/unb/lantau/ExampleInstrumentedTest.kt
similarity index 94%
rename from app/src/androidTest/java/com/example/myapplication/ExampleInstrumentedTest.kt
rename to app/src/androidTest/java/ca/unb/lantau/ExampleInstrumentedTest.kt
index e9283cf..62a67d3 100644
--- a/app/src/androidTest/java/com/example/myapplication/ExampleInstrumentedTest.kt
+++ b/app/src/androidTest/java/ca/unb/lantau/ExampleInstrumentedTest.kt
@@ -1,4 +1,4 @@
-package com.example.myapplication
+package ca.unb.lantau
 
 import androidx.test.platform.app.InstrumentationRegistry
 import androidx.test.ext.junit.runners.AndroidJUnit4
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index bac30e0..cff7d70 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -17,7 +17,7 @@
         android:theme="@style/Theme.MyApplication"
         tools:targetApi="31">
         <activity
-            android:name=".MainActivity"
+            android:name="ca.unb.lantau.MainActivity"
             android:exported="true"
             android:label="@string/app_name">
             <intent-filter>
diff --git a/app/src/main/java/com/example/myapplication/MainActivity.kt b/app/src/main/java/ca/unb/lantau/MainActivity.kt
similarity index 95%
rename from app/src/main/java/com/example/myapplication/MainActivity.kt
rename to app/src/main/java/ca/unb/lantau/MainActivity.kt
index d50ae17..5c09849 100644
--- a/app/src/main/java/com/example/myapplication/MainActivity.kt
+++ b/app/src/main/java/ca/unb/lantau/MainActivity.kt
@@ -1,4 +1,4 @@
-package com.example.myapplication
+package ca.unb.lantau
 
 import android.Manifest
 import android.annotation.SuppressLint
@@ -24,12 +24,13 @@ import androidx.navigation.ui.setupActionBarWithNavController
 import androidx.navigation.ui.setupWithNavController
 import com.arthenica.ffmpegkit.FFmpegKit
 import com.arthenica.ffmpegkit.FFmpegKitConfig
+import com.example.myapplication.R
 import com.example.myapplication.databinding.ActivityMainBinding
-import com.example.myapplication.ui.completed.CompletedAdapter
-import com.example.myapplication.ui.completed.CompletedItem
-import com.example.myapplication.ui.compressing.CompressingAdapter
-import com.example.myapplication.ui.compressing.CompressingItem
-import com.example.myapplication.ui.settings.SettingsViewModel
+import ca.unb.lantau.ui.completed.CompletedAdapter
+import ca.unb.lantau.ui.completed.CompletedItem
+import ca.unb.lantau.ui.compressing.CompressingAdapter
+import ca.unb.lantau.ui.compressing.CompressingItem
+import ca.unb.lantau.ui.settings.SettingsViewModel
 import com.google.android.material.bottomnavigation.BottomNavigationView
 import java.io.File
 import java.util.*
diff --git a/app/src/main/java/com/example/myapplication/ui/completed/CompletedAdapter.kt b/app/src/main/java/ca/unb/lantau/ui/completed/CompletedAdapter.kt
similarity index 96%
rename from app/src/main/java/com/example/myapplication/ui/completed/CompletedAdapter.kt
rename to app/src/main/java/ca/unb/lantau/ui/completed/CompletedAdapter.kt
index a1187d0..1be62b6 100644
--- a/app/src/main/java/com/example/myapplication/ui/completed/CompletedAdapter.kt
+++ b/app/src/main/java/ca/unb/lantau/ui/completed/CompletedAdapter.kt
@@ -1,4 +1,4 @@
-package com.example.myapplication.ui.completed
+package ca.unb.lantau.ui.completed
 
 import android.annotation.SuppressLint
 import android.app.AlertDialog
diff --git a/app/src/main/java/com/example/myapplication/ui/completed/CompletedFragment.kt b/app/src/main/java/ca/unb/lantau/ui/completed/CompletedFragment.kt
similarity index 93%
rename from app/src/main/java/com/example/myapplication/ui/completed/CompletedFragment.kt
rename to app/src/main/java/ca/unb/lantau/ui/completed/CompletedFragment.kt
index 958163a..9ae4e48 100644
--- a/app/src/main/java/com/example/myapplication/ui/completed/CompletedFragment.kt
+++ b/app/src/main/java/ca/unb/lantau/ui/completed/CompletedFragment.kt
@@ -1,4 +1,4 @@
-package com.example.myapplication.ui.completed
+package ca.unb.lantau.ui.completed
 
 import android.os.Bundle
 import android.view.LayoutInflater
@@ -7,7 +7,7 @@ import android.view.ViewGroup
 import androidx.fragment.app.Fragment
 import androidx.recyclerview.widget.LinearLayoutManager
 import androidx.recyclerview.widget.RecyclerView
-import com.example.myapplication.MainActivity
+import ca.unb.lantau.MainActivity
 import com.example.myapplication.R
 import com.example.myapplication.databinding.FragmentCompletedBinding
 
diff --git a/app/src/main/java/com/example/myapplication/ui/completed/CompletedItem.kt b/app/src/main/java/ca/unb/lantau/ui/completed/CompletedItem.kt
similarity index 80%
rename from app/src/main/java/com/example/myapplication/ui/completed/CompletedItem.kt
rename to app/src/main/java/ca/unb/lantau/ui/completed/CompletedItem.kt
index 89457a2..0f93019 100644
--- a/app/src/main/java/com/example/myapplication/ui/completed/CompletedItem.kt
+++ b/app/src/main/java/ca/unb/lantau/ui/completed/CompletedItem.kt
@@ -1,4 +1,4 @@
-package com.example.myapplication.ui.completed
+package ca.unb.lantau.ui.completed
 
 import android.net.Uri
 import android.widget.ImageButton
diff --git a/app/src/main/java/com/example/myapplication/ui/compressing/CompressingAdapter.kt b/app/src/main/java/ca/unb/lantau/ui/compressing/CompressingAdapter.kt
similarity index 94%
rename from app/src/main/java/com/example/myapplication/ui/compressing/CompressingAdapter.kt
rename to app/src/main/java/ca/unb/lantau/ui/compressing/CompressingAdapter.kt
index cbb4284..811c20b 100644
--- a/app/src/main/java/com/example/myapplication/ui/compressing/CompressingAdapter.kt
+++ b/app/src/main/java/ca/unb/lantau/ui/compressing/CompressingAdapter.kt
@@ -1,4 +1,4 @@
-package com.example.myapplication.ui.compressing
+package ca.unb.lantau.ui.compressing
 
 import android.view.LayoutInflater
 import android.view.View
diff --git a/app/src/main/java/com/example/myapplication/ui/compressing/CompressingFragment.kt b/app/src/main/java/ca/unb/lantau/ui/compressing/CompressingFragment.kt
similarity index 92%
rename from app/src/main/java/com/example/myapplication/ui/compressing/CompressingFragment.kt
rename to app/src/main/java/ca/unb/lantau/ui/compressing/CompressingFragment.kt
index 5612e75..8da6dd8 100644
--- a/app/src/main/java/com/example/myapplication/ui/compressing/CompressingFragment.kt
+++ b/app/src/main/java/ca/unb/lantau/ui/compressing/CompressingFragment.kt
@@ -1,4 +1,4 @@
-package com.example.myapplication.ui.compressing
+package ca.unb.lantau.ui.compressing
 
 import android.os.Bundle
 import android.view.LayoutInflater
@@ -7,7 +7,7 @@ import android.view.ViewGroup
 import androidx.fragment.app.Fragment
 import androidx.recyclerview.widget.LinearLayoutManager
 import androidx.recyclerview.widget.RecyclerView
-import com.example.myapplication.MainActivity
+import ca.unb.lantau.MainActivity
 import com.example.myapplication.R
 import com.example.myapplication.databinding.FragmentCompressingBinding
 
diff --git a/app/src/main/java/com/example/myapplication/ui/compressing/CompressingItem.kt b/app/src/main/java/ca/unb/lantau/ui/compressing/CompressingItem.kt
similarity index 66%
rename from app/src/main/java/com/example/myapplication/ui/compressing/CompressingItem.kt
rename to app/src/main/java/ca/unb/lantau/ui/compressing/CompressingItem.kt
index 948734e..f5f10be 100644
--- a/app/src/main/java/com/example/myapplication/ui/compressing/CompressingItem.kt
+++ b/app/src/main/java/ca/unb/lantau/ui/compressing/CompressingItem.kt
@@ -1,4 +1,4 @@
-package com.example.myapplication.ui.compressing
+package ca.unb.lantau.ui.compressing
 
 import java.util.*
 
diff --git a/app/src/main/java/com/example/myapplication/ui/settings/SettingsFragment.kt b/app/src/main/java/ca/unb/lantau/ui/settings/SettingsFragment.kt
similarity index 95%
rename from app/src/main/java/com/example/myapplication/ui/settings/SettingsFragment.kt
rename to app/src/main/java/ca/unb/lantau/ui/settings/SettingsFragment.kt
index 5f6b7b4..01c1973 100644
--- a/app/src/main/java/com/example/myapplication/ui/settings/SettingsFragment.kt
+++ b/app/src/main/java/ca/unb/lantau/ui/settings/SettingsFragment.kt
@@ -1,4 +1,4 @@
-package com.example.myapplication.ui.settings
+package ca.unb.lantau.ui.settings
 
 import android.os.Bundle
 import android.text.Editable
@@ -6,11 +6,8 @@ import android.text.TextWatcher
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
-import android.widget.Toast
-import androidx.activity.viewModels
 import androidx.fragment.app.Fragment
 import androidx.fragment.app.activityViewModels
-import androidx.lifecycle.ViewModelProvider
 import com.example.myapplication.databinding.FragmentSettingsBinding
 
 
diff --git a/app/src/main/java/com/example/myapplication/ui/settings/SettingsViewModel.kt b/app/src/main/java/ca/unb/lantau/ui/settings/SettingsViewModel.kt
similarity index 92%
rename from app/src/main/java/com/example/myapplication/ui/settings/SettingsViewModel.kt
rename to app/src/main/java/ca/unb/lantau/ui/settings/SettingsViewModel.kt
index fac0853..cea54f7 100644
--- a/app/src/main/java/com/example/myapplication/ui/settings/SettingsViewModel.kt
+++ b/app/src/main/java/ca/unb/lantau/ui/settings/SettingsViewModel.kt
@@ -1,4 +1,4 @@
-package com.example.myapplication.ui.settings
+package ca.unb.lantau.ui.settings
 
 import androidx.lifecycle.LiveData
 import androidx.lifecycle.MutableLiveData
diff --git a/app/src/main/res/layout/fragment_completed.xml b/app/src/main/res/layout/fragment_completed.xml
index c634c73..f778518 100644
--- a/app/src/main/res/layout/fragment_completed.xml
+++ b/app/src/main/res/layout/fragment_completed.xml
@@ -4,7 +4,7 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    tools:context=".ui.completed.CompletedFragment">
+    tools:context="ca.unb.lantau.ui.completed.CompletedFragment">
 
     <androidx.recyclerview.widget.RecyclerView
         android:id="@+id/compressed_recycler_view"
diff --git a/app/src/main/res/layout/fragment_compressing.xml b/app/src/main/res/layout/fragment_compressing.xml
index 6349792..8ef523d 100644
--- a/app/src/main/res/layout/fragment_compressing.xml
+++ b/app/src/main/res/layout/fragment_compressing.xml
@@ -4,7 +4,7 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    tools:context=".ui.settings.SettingsFragment">
+    tools:context="ca.unb.lantau.ui.settings.SettingsFragment">
 
     <androidx.recyclerview.widget.RecyclerView
         android:id="@+id/compressing_recycler_view"
diff --git a/app/src/main/res/layout/fragment_settings.xml b/app/src/main/res/layout/fragment_settings.xml
index 6930a24..9c6a6ba 100644
--- a/app/src/main/res/layout/fragment_settings.xml
+++ b/app/src/main/res/layout/fragment_settings.xml
@@ -3,7 +3,7 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    tools:context=".ui.settings.SettingsFragment">
+    tools:context="ca.unb.lantau.ui.settings.SettingsFragment">
 
     <ScrollView
         android:layout_width="match_parent"
diff --git a/app/src/main/res/navigation/mobile_navigation.xml b/app/src/main/res/navigation/mobile_navigation.xml
index a6d6246..4235843 100644
--- a/app/src/main/res/navigation/mobile_navigation.xml
+++ b/app/src/main/res/navigation/mobile_navigation.xml
@@ -8,19 +8,19 @@
 
     <fragment
         android:id="@+id/navigation_completed"
-        android:name="com.example.myapplication.ui.completed.CompletedFragment"
+        android:name="ca.unb.lantau.ui.completed.CompletedFragment"
         android:label="@string/title_completed"
         tools:layout="@layout/fragment_completed" />
 
     <fragment
         android:id="@+id/navigation_compressing"
-        android:name="com.example.myapplication.ui.compressing.CompressingFragment"
+        android:name="ca.unb.lantau.ui.compressing.CompressingFragment"
         android:label="@string/title_compressing"
         tools:layout="@layout/fragment_compressing" />
 
     <fragment
         android:id="@+id/navigation_settings"
-        android:name="com.example.myapplication.ui.settings.SettingsFragment"
+        android:name="ca.unb.lantau.ui.settings.SettingsFragment"
         android:label="@string/title_settings"
         tools:layout="@layout/fragment_settings" />
 
diff --git a/app/src/test/java/com/example/myapplication/ExampleUnitTest.kt b/app/src/test/java/ca/unb/lantau/ExampleUnitTest.kt
similarity index 90%
rename from app/src/test/java/com/example/myapplication/ExampleUnitTest.kt
rename to app/src/test/java/ca/unb/lantau/ExampleUnitTest.kt
index e500fb8..ca79fd2 100644
--- a/app/src/test/java/com/example/myapplication/ExampleUnitTest.kt
+++ b/app/src/test/java/ca/unb/lantau/ExampleUnitTest.kt
@@ -1,4 +1,4 @@
-package com.example.myapplication
+package ca.unb.lantau
 
 import org.junit.Test