diff --git a/app/proguard-rules.pro b/app/proguard-rules.pro
index 66508d4..b2de4b1 100644
--- a/app/proguard-rules.pro
+++ b/app/proguard-rules.pro
@@ -14,12 +14,12 @@
 
 # Uncomment this to preserve the line number information for
 # debugging stack traces.
--keepattributes SourceFile,LineNumberTable,Signature
+# -keepattributes SourceFile,LineNumberTable,Signature
 -printmapping mapping.txt
 
 # Optimisations
 -repackageclasses ""
--overloadaggressively
+# -overloadaggressively
 -allowaccessmodification
 
 
@@ -188,13 +188,13 @@
 }
 
 # Keep all of Cronet API and google's internal classes
--keep class com.google.common.util.concurrent.** { *; }
+# -keep class com.google.common.util.concurrent.** { *; }
 -keepclassmembers class kotlin.SafePublicationLazyImpl {
     java.lang.Object _value;
 }
 
 # fix bug with androidx work and future
--keep class androidx.work.impl.utils.futures.* { *; }
+# -keep class androidx.work.impl.utils.futures.* { *; }
 
 # Silence some warnings
 -dontwarn android.os.SystemProperties
diff --git a/app/src/main/java/com/fox2code/mmm/NotificationType.java b/app/src/main/java/com/fox2code/mmm/NotificationType.java
index 523af85..c479e54 100644
--- a/app/src/main/java/com/fox2code/mmm/NotificationType.java
+++ b/app/src/main/java/com/fox2code/mmm/NotificationType.java
@@ -25,9 +25,6 @@ import java.util.zip.ZipFile;
 
 import timber.log.Timber;
 
-interface NotificationTypeCst {
-}
-
 public enum NotificationType implements NotificationTypeCst {
     DEBUG(R.string.debug_build, R.drawable.ic_baseline_bug_report_24, com.google.android.material.R.attr.colorSecondary, com.google.android.material.R.attr.colorOnSecondary) {
         @Override
diff --git a/app/src/main/java/com/fox2code/mmm/NotificationTypeCst.kt b/app/src/main/java/com/fox2code/mmm/NotificationTypeCst.kt
new file mode 100644
index 0000000..dc70f5c
--- /dev/null
+++ b/app/src/main/java/com/fox2code/mmm/NotificationTypeCst.kt
@@ -0,0 +1,3 @@
+package com.fox2code.mmm
+
+internal interface NotificationTypeCst 
\ No newline at end of file
diff --git a/app/src/main/java/com/fox2code/mmm/utils/RuntimeUtils.kt b/app/src/main/java/com/fox2code/mmm/utils/RuntimeUtils.kt
index 7501605..741df11 100644
--- a/app/src/main/java/com/fox2code/mmm/utils/RuntimeUtils.kt
+++ b/app/src/main/java/com/fox2code/mmm/utils/RuntimeUtils.kt
@@ -53,7 +53,7 @@ class RuntimeUtils {
                             activity.layoutInflater.inflate(R.layout.dialog_checkbox, null)
                         val checkBox = view.findViewById<CheckBox>(R.id.checkbox)
                         checkBox.setText(R.string.dont_ask_again)
-                        checkBox.setOnCheckedChangeListener { buttonView: CompoundButton?, isChecked: Boolean ->
+                        checkBox.setOnCheckedChangeListener { _: CompoundButton?, isChecked: Boolean ->
                             PreferenceManager.getDefaultSharedPreferences(
                                 context
                             ).edit().putBoolean(
@@ -61,14 +61,14 @@ class RuntimeUtils {
                             ).apply()
                         }
                         builder.setView(view)
-                        builder.setPositiveButton(R.string.permission_notification_grant) { dialog, which ->
+                        builder.setPositiveButton(R.string.permission_notification_grant) { _, _ ->
                             // Request the permission
                             activity.requestPermissions(
                                 arrayOf(Manifest.permission.POST_NOTIFICATIONS), 0
                             )
                             MainActivity.doSetupNowRunning = false
                         }
-                        builder.setNegativeButton(R.string.cancel) { dialog, which ->
+                        builder.setNegativeButton(R.string.cancel) { dialog, _ ->
                             // Set pref_background_update_check to false and dismiss dialog
                             val prefs = PreferenceManager.getDefaultSharedPreferences(context)
                             prefs.edit().putBoolean("pref_background_update_check", false).apply()
@@ -104,7 +104,7 @@ class RuntimeUtils {
                     val view: View = activity.layoutInflater.inflate(R.layout.dialog_checkbox, null)
                     val checkBox = view.findViewById<CheckBox>(R.id.checkbox)
                     checkBox.setText(R.string.dont_ask_again)
-                    checkBox.setOnCheckedChangeListener { buttonView: CompoundButton?, isChecked: Boolean ->
+                    checkBox.setOnCheckedChangeListener { _: CompoundButton?, isChecked: Boolean ->
                         PreferenceManager.getDefaultSharedPreferences(
                             context
                         ).edit()
@@ -112,7 +112,7 @@ class RuntimeUtils {
                             .apply()
                     }
                     builder.setView(view)
-                    builder.setPositiveButton(R.string.permission_notification_grant) { dialog, which ->
+                    builder.setPositiveButton(R.string.permission_notification_grant) { _, _ ->
                         // Open notification settings
                         val intent = Intent()
                         intent.action = Settings.ACTION_APPLICATION_DETAILS_SETTINGS
@@ -121,7 +121,7 @@ class RuntimeUtils {
                         activity.startActivity(intent)
                         MainActivity.doSetupNowRunning = false
                     }
-                    builder.setNegativeButton(R.string.cancel) { dialog, which ->
+                    builder.setNegativeButton(R.string.cancel) { dialog, _ ->
                         // Set pref_background_update_check to false and dismiss dialog
                         val prefs = MainApplication.getSharedPreferences("mmm")
                         prefs.edit().putBoolean("pref_background_update_check", false).apply()
@@ -207,11 +207,11 @@ class RuntimeUtils {
         val prefs = MainApplication.getSharedPreferences("mmm")
         if (prefs.getInt("weblate_snackbar_shown", 0) == BuildConfig.VERSION_CODE) return
         val snackbar: Snackbar = Snackbar.make(
-            activity.findViewById<View>(R.id.root_container),
+            activity.findViewById(R.id.root_container),
             activity.getString(R.string.language_not_available, languageName),
             Snackbar.LENGTH_LONG
         )
-        snackbar.setAction(R.string.ok) { v ->
+        snackbar.setAction(R.string.ok) {
             val intent = Intent(Intent.ACTION_VIEW)
             intent.data = Uri.parse("https://translate.nift4.org/engage/foxmmm/?language=$language")
             activity.startActivity(intent)
diff --git a/app/src/main/res/layout/activity_update.xml b/app/src/main/res/layout/activity_update.xml
index bead581..bd50591 100644
--- a/app/src/main/res/layout/activity_update.xml
+++ b/app/src/main/res/layout/activity_update.xml
@@ -1,122 +1,119 @@
 <?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:orientation="vertical"
     tools:context=".UpdateActivity">
 
-    <!-- Activity used to download and install app updates -->
-    <!-- first, upgrade icon -->
-    <ImageView
-        android:id="@+id/update_icon"
-        android:layout_width="101dp"
-        android:layout_height="93dp"
-        android:layout_gravity="center"
-        android:layout_margin="8dp"
-        android:contentDescription="@string/crash_icon"
-        android:src="@drawable/baseline_system_update_24" />
-
-    <com.google.android.material.textview.MaterialTextView
-        android:id="@+id/update_title"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_gravity="center"
-        android:layout_marginHorizontal="16dp"
-        android:layout_marginTop="16dp"
-        android:text="@string/update_title"
-        android:textAppearance="?attr/textAppearanceHeadline6" />
-
-    <com.google.android.material.textview.MaterialTextView
-        android:id="@+id/update_subtitle"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_gravity="center"
-        android:layout_marginHorizontal="16dp"
-        android:layout_marginTop="8dp"
-        android:text="@string/update_message"
-        android:textAppearance="?attr/textAppearanceBody2" />
-
-    <com.google.android.material.progressindicator.LinearProgressIndicator
-        android:id="@+id/update_progress"
-        style="@style/Widget.Material3.LinearProgressIndicator"
+    <LinearLayout
+        android:id="@+id/update_container"
         android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:layout_marginHorizontal="16dp"
-        android:layout_marginTop="16dp" />
-
-    <com.google.android.material.textview.MaterialTextView
-        android:id="@+id/update_progress_text"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_marginHorizontal="16dp"
-        android:layout_marginTop="8dp"
-        android:textAppearance="?attr/textAppearanceBody2" />
+        android:layout_height="0dp"
+        android:gravity="center"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintBottom_toTopOf="@id/bottom_navigation"
+        android:orientation="vertical">
 
-    <LinearLayout
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_gravity="bottom|end"
-        android:layout_margin="4dp"
-        android:orientation="horizontal">
+        <!-- Activity used to download and install app updates -->
+        <!-- first, upgrade icon -->
+        <ImageView
+            android:id="@+id/update_icon"
+            android:layout_width="101dp"
+            android:layout_height="93dp"
+            android:layout_gravity="center"
+            android:layout_margin="8dp"
+            android:contentDescription="@string/update"
+            android:src="@drawable/baseline_system_update_24" />
 
-        <com.google.android.material.button.MaterialButton
-            android:id="@+id/update_button"
+        <com.google.android.material.textview.MaterialTextView
+            android:id="@+id/update_title"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
+            android:layout_gravity="center"
             android:layout_marginHorizontal="16dp"
             android:layout_marginTop="16dp"
-            android:text="@string/update_button"
-            android:visibility="invisible" />
+            android:text="@string/update_title"
+            android:textAppearance="?attr/textAppearanceHeadline6" />
 
-        <com.google.android.material.button.MaterialButton
-            android:id="@+id/update_cancel_button"
+        <com.google.android.material.textview.MaterialTextView
+            android:id="@+id/update_subtitle"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
+            android:layout_gravity="center"
             android:layout_marginHorizontal="16dp"
-            android:layout_marginTop="16dp"
-            android:text="@string/update_cancel_button"
-            android:visibility="visible" />
-
-    </LinearLayout>
-
-    <!-- Invisible warning for debug builds -->
-    <com.google.android.material.textview.MaterialTextView
-        android:id="@+id/update_debug_warning"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_marginHorizontal="16dp"
-        android:layout_marginTop="16dp"
-        android:text="@string/update_debug_warning"
-        android:textAppearance="?attr/textAppearanceBody2"
-        android:visibility="gone" />
-
+            android:layout_marginTop="8dp"
+            android:text="@string/update_message"
+            android:textAppearance="?attr/textAppearanceBody2" />
 
-    <!-- Changelog view -->
-    <LinearLayout
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:orientation="vertical">
+        <com.google.android.material.progressindicator.LinearProgressIndicator
+            android:id="@+id/update_progress"
+            style="@style/Widget.Material3.LinearProgressIndicator"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginHorizontal="16dp"
+            android:layout_marginTop="16dp" />
 
         <com.google.android.material.textview.MaterialTextView
-            android:id="@+id/changelog_title"
-            android:layout_width="match_parent"
+            android:id="@+id/update_progress_text"
+            android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_marginHorizontal="16dp"
-            android:layout_marginTop="16dp"
-            android:text="@string/changelog"
-            android:textAppearance="@style/TextAppearance.Material3.HeadlineSmall" />
+            android:layout_marginTop="8dp"
+            android:textAppearance="?attr/textAppearanceBody2" />
 
+        <!-- Invisible warning for debug builds -->
         <com.google.android.material.textview.MaterialTextView
-            android:id="@+id/update_changelog"
-            android:layout_width="match_parent"
+            android:id="@+id/update_debug_warning"
+            android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_marginHorizontal="16dp"
             android:layout_marginTop="16dp"
-            android:scrollbars="vertical"
-            android:text="@string/changelog_none"
-            android:textAppearance="?attr/textAppearanceBody2" />
+            android:text="@string/update_debug_warning"
+            android:textAppearance="?attr/textAppearanceBody2"
+            android:visibility="gone" />
 
+
+        <!-- Changelog view -->
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="vertical">
+
+            <com.google.android.material.textview.MaterialTextView
+                android:id="@+id/changelog_title"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginHorizontal="16dp"
+                android:layout_marginTop="16dp"
+                android:text="@string/changelog"
+                android:textAppearance="@style/TextAppearance.Material3.HeadlineSmall" />
+
+            <com.google.android.material.textview.MaterialTextView
+                android:id="@+id/update_changelog"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginHorizontal="16dp"
+                android:layout_marginTop="16dp"
+                android:scrollbars="vertical"
+                android:text="@string/changelog_none"
+                android:textAppearance="?attr/textAppearanceBody2" />
+
+        </LinearLayout>
     </LinearLayout>
 
-</LinearLayout>
\ No newline at end of file
+    <!-- bottom nav for cancel and finish -->
+    <com.google.android.material.bottomnavigation.BottomNavigationView
+        android:id="@+id/bottom_navigation"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:paddingBottom="0dp"
+        android:visibility="visible"
+        app:compatShadowEnabled="true"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/update_container"
+        app:menu="@menu/update_nav" />
+
+</androidx.constraintlayout.widget.ConstraintLayout >
\ No newline at end of file
diff --git a/app/src/main/res/menu/update_nav.xml b/app/src/main/res/menu/update_nav.xml
new file mode 100644
index 0000000..398054e
--- /dev/null
+++ b/app/src/main/res/menu/update_nav.xml
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+    <item
+        android:id="@+id/update_cancel_button"
+        android:icon="@drawable/baseline_close_24"
+        android:title="@string/cancel"
+        android:visible="true"
+        app:showAsAction="ifRoom" />
+
+    <item
+        android:id="@+id/action_update"
+        android:icon="@drawable/ic_baseline_refresh_24"
+        android:title="@string/update_button"
+        android:visible="true"
+        android:enabled="false"
+        app:showAsAction="ifRoom" />
+</menu>
\ No newline at end of file