diff --git a/app/build.gradle b/app/build.gradle
index 092ad46..3639493 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -66,6 +66,8 @@ dependencies {
     implementation 'com.google.firebase:firebase-firestore'
     implementation 'androidx.navigation:navigation-fragment:2.5.2'
     implementation 'androidx.navigation:navigation-ui:2.5.2'
+    implementation 'androidx.lifecycle:lifecycle-livedata-ktx:2.6.1'
+    implementation 'androidx.lifecycle:lifecycle-viewmodel-ktx:2.6.1'
 
     testImplementation 'junit:junit:4.13.2'
     testImplementation "androidx.test:core"
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 6d178ee..719a76a 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -3,7 +3,6 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:versionCode="128"
     android:versionName="4.2.1b">
-
     <!-- android:allowBackup="false" -->
     <uses-permission android:name="android.permission.BLUETOOTH" />
     <uses-permission android:name="android.permission.BLUETOOTH_ADMIN" />
@@ -22,10 +21,13 @@
     <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
     <uses-permission android:name="android.permission.READ_PHONE_STATE" />
-
-    <!-- AD_ID seems to be added automatically as part of google play services.  We don't use ads,
-    so explicitly remove it to keep Google Play store happy.  -->
-    <uses-permission android:name="com.google.android.gms.permission.AD_ID" tools:node="remove"/>
+    <!--
+ AD_ID seems to be added automatically as part of google play services.  We don't use ads,
+    so explicitly remove it to keep Google Play store happy.
+    -->
+    <uses-permission
+        android:name="com.google.android.gms.permission.AD_ID"
+        tools:node="remove" />
 
     <uses-feature
         android:name="android.hardware.telephony"
@@ -39,6 +41,17 @@
         android:label="@string/app_name"
         android:networkSecurityConfig="@xml/network_security_config"
         android:theme="@style/AppTheme">
+        <activity
+            android:name=".MainActivity2"
+            android:exported="true"
+            android:label="@string/title_activity_main2"
+            android:theme="@style/AppTheme.NoActionBar">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
         <activity
             android:name=".MlModelManager"
             android:exported="false"
diff --git a/app/src/main/java/uk/org/openseizuredetector/MainActivity2.java b/app/src/main/java/uk/org/openseizuredetector/MainActivity2.java
new file mode 100644
index 0000000..93895c0
--- /dev/null
+++ b/app/src/main/java/uk/org/openseizuredetector/MainActivity2.java
@@ -0,0 +1,45 @@
+package uk.org.openseizuredetector;
+
+import android.os.Bundle;
+
+import com.google.android.material.floatingactionbutton.FloatingActionButton;
+import com.google.android.material.snackbar.Snackbar;
+import com.google.android.material.tabs.TabLayout;
+
+import androidx.viewpager.widget.ViewPager;
+import androidx.appcompat.app.AppCompatActivity;
+
+import android.view.Menu;
+import android.view.MenuItem;
+import android.view.View;
+
+import uk.org.openseizuredetector.ui.main.SectionsPagerAdapter;
+import uk.org.openseizuredetector.databinding.ActivityMainBinding;
+
+public class MainActivity2 extends AppCompatActivity {
+
+    private ActivityMainBinding binding;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        binding = ActivityMainBinding.inflate(getLayoutInflater());
+        setContentView(binding.getRoot());
+
+        SectionsPagerAdapter sectionsPagerAdapter = new SectionsPagerAdapter(this, getSupportFragmentManager());
+        ViewPager viewPager = binding.viewPager;
+        viewPager.setAdapter(sectionsPagerAdapter);
+        TabLayout tabs = binding.tabs;
+        tabs.setupWithViewPager(viewPager);
+        FloatingActionButton fab = binding.fab;
+
+        fab.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG)
+                        .setAction("Action", null).show();
+            }
+        });
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/uk/org/openseizuredetector/ui/main/PageViewModel.java b/app/src/main/java/uk/org/openseizuredetector/ui/main/PageViewModel.java
new file mode 100644
index 0000000..4721291
--- /dev/null
+++ b/app/src/main/java/uk/org/openseizuredetector/ui/main/PageViewModel.java
@@ -0,0 +1,26 @@
+package uk.org.openseizuredetector.ui.main;
+
+import androidx.arch.core.util.Function;
+import androidx.lifecycle.LiveData;
+import androidx.lifecycle.MutableLiveData;
+import androidx.lifecycle.Transformations;
+import androidx.lifecycle.ViewModel;
+
+public class PageViewModel extends ViewModel {
+
+    private MutableLiveData<Integer> mIndex = new MutableLiveData<>();
+    private LiveData<String> mText = Transformations.map(mIndex, new Function<Integer, String>() {
+        @Override
+        public String apply(Integer input) {
+            return "Hello world from section: " + input;
+        }
+    });
+
+    public void setIndex(int index) {
+        mIndex.setValue(index);
+    }
+
+    public LiveData<String> getText() {
+        return mText;
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/uk/org/openseizuredetector/ui/main/PlaceholderFragment.java b/app/src/main/java/uk/org/openseizuredetector/ui/main/PlaceholderFragment.java
new file mode 100644
index 0000000..02b1f51
--- /dev/null
+++ b/app/src/main/java/uk/org/openseizuredetector/ui/main/PlaceholderFragment.java
@@ -0,0 +1,70 @@
+package uk.org.openseizuredetector.ui.main;
+
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+
+import androidx.annotation.Nullable;
+import androidx.annotation.NonNull;
+import androidx.fragment.app.Fragment;
+import androidx.lifecycle.Observer;
+import androidx.lifecycle.ViewModelProvider;
+
+import uk.org.openseizuredetector.R;
+import uk.org.openseizuredetector.databinding.FragmentMainBinding;
+
+/**
+ * A placeholder fragment containing a simple view.
+ */
+public class PlaceholderFragment extends Fragment {
+
+    private static final String ARG_SECTION_NUMBER = "section_number";
+
+    private PageViewModel pageViewModel;
+    private FragmentMainBinding binding;
+
+    public static PlaceholderFragment newInstance(int index) {
+        PlaceholderFragment fragment = new PlaceholderFragment();
+        Bundle bundle = new Bundle();
+        bundle.putInt(ARG_SECTION_NUMBER, index);
+        fragment.setArguments(bundle);
+        return fragment;
+    }
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        pageViewModel = new ViewModelProvider(this).get(PageViewModel.class);
+        int index = 1;
+        if (getArguments() != null) {
+            index = getArguments().getInt(ARG_SECTION_NUMBER);
+        }
+        pageViewModel.setIndex(index);
+    }
+
+    @Override
+    public View onCreateView(
+            @NonNull LayoutInflater inflater, ViewGroup container,
+            Bundle savedInstanceState) {
+
+        binding = FragmentMainBinding.inflate(inflater, container, false);
+        View root = binding.getRoot();
+
+        final TextView textView = binding.sectionLabel;
+        pageViewModel.getText().observe(getViewLifecycleOwner(), new Observer<String>() {
+            @Override
+            public void onChanged(@Nullable String s) {
+                textView.setText(s);
+            }
+        });
+        return root;
+    }
+
+    @Override
+    public void onDestroyView() {
+        super.onDestroyView();
+        binding = null;
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/uk/org/openseizuredetector/ui/main/SectionsPagerAdapter.java b/app/src/main/java/uk/org/openseizuredetector/ui/main/SectionsPagerAdapter.java
new file mode 100644
index 0000000..36b782d
--- /dev/null
+++ b/app/src/main/java/uk/org/openseizuredetector/ui/main/SectionsPagerAdapter.java
@@ -0,0 +1,46 @@
+package uk.org.openseizuredetector.ui.main;
+
+import android.content.Context;
+
+import androidx.annotation.Nullable;
+import androidx.annotation.StringRes;
+import androidx.fragment.app.Fragment;
+import androidx.fragment.app.FragmentManager;
+import androidx.fragment.app.FragmentPagerAdapter;
+
+import uk.org.openseizuredetector.R;
+
+/**
+ * A [FragmentPagerAdapter] that returns a fragment corresponding to
+ * one of the sections/tabs/pages.
+ */
+public class SectionsPagerAdapter extends FragmentPagerAdapter {
+
+    @StringRes
+    private static final int[] TAB_TITLES = new int[]{R.string.tab_text_1, R.string.tab_text_2};
+    private final Context mContext;
+
+    public SectionsPagerAdapter(Context context, FragmentManager fm) {
+        super(fm);
+        mContext = context;
+    }
+
+    @Override
+    public Fragment getItem(int position) {
+        // getItem is called to instantiate the fragment for the given page.
+        // Return a PlaceholderFragment.
+        return PlaceholderFragment.newInstance(position + 1);
+    }
+
+    @Nullable
+    @Override
+    public CharSequence getPageTitle(int position) {
+        return mContext.getResources().getString(TAB_TITLES[position]);
+    }
+
+    @Override
+    public int getCount() {
+        // Show 2 total pages.
+        return 2;
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
new file mode 100644
index 0000000..c6a81a6
--- /dev/null
+++ b/app/src/main/res/layout/activity_main.xml
@@ -0,0 +1,44 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.coordinatorlayout.widget.CoordinatorLayout 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"
+    tools:context=".MainActivity2">
+
+    <com.google.android.material.appbar.AppBarLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:theme="@style/AppTheme.AppBarOverlay">
+
+        <TextView
+            android:id="@+id/title"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:gravity="center"
+            android:minHeight="?actionBarSize"
+            android:padding="@dimen/appbar_padding"
+            android:text="@string/app_name"
+            android:textAppearance="@style/TextAppearance.Widget.AppCompat.Toolbar.Title" />
+
+        <com.google.android.material.tabs.TabLayout
+            android:id="@+id/tabs"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content" />
+    </com.google.android.material.appbar.AppBarLayout>
+
+    <androidx.viewpager.widget.ViewPager
+        android:id="@+id/view_pager"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        app:layout_behavior="@string/appbar_scrolling_view_behavior" />
+
+    <com.google.android.material.floatingactionbutton.FloatingActionButton
+        android:id="@+id/fab"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="bottom|end"
+        android:layout_marginEnd="@dimen/fab_margin"
+        android:layout_marginBottom="16dp"
+        app:srcCompat="@android:drawable/ic_dialog_email" />
+</androidx.coordinatorlayout.widget.CoordinatorLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/fragment_main.xml b/app/src/main/res/layout/fragment_main.xml
new file mode 100644
index 0000000..0a90c04
--- /dev/null
+++ b/app/src/main/res/layout/fragment_main.xml
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<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:id="@+id/constraintLayout"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".ui.main.PlaceholderFragment">
+
+    <TextView
+        android:id="@+id/section_label"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="@dimen/activity_horizontal_margin"
+        android:layout_marginTop="@dimen/activity_vertical_margin"
+        android:layout_marginEnd="@dimen/activity_horizontal_margin"
+        android:layout_marginBottom="@dimen/activity_vertical_margin"
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintTop_toTopOf="@+id/constraintLayout"
+        tools:layout_constraintLeft_creator="1"
+        tools:layout_constraintTop_creator="1" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/values-land/dimens.xml b/app/src/main/res/values-land/dimens.xml
new file mode 100644
index 0000000..22d7f00
--- /dev/null
+++ b/app/src/main/res/values-land/dimens.xml
@@ -0,0 +1,3 @@
+<resources>
+    <dimen name="fab_margin">48dp</dimen>
+</resources>
\ No newline at end of file
diff --git a/app/src/main/res/values-w1240dp/dimens.xml b/app/src/main/res/values-w1240dp/dimens.xml
new file mode 100644
index 0000000..d73f4a3
--- /dev/null
+++ b/app/src/main/res/values-w1240dp/dimens.xml
@@ -0,0 +1,3 @@
+<resources>
+    <dimen name="fab_margin">200dp</dimen>
+</resources>
\ No newline at end of file
diff --git a/app/src/main/res/values-w600dp/dimens.xml b/app/src/main/res/values-w600dp/dimens.xml
new file mode 100644
index 0000000..22d7f00
--- /dev/null
+++ b/app/src/main/res/values-w600dp/dimens.xml
@@ -0,0 +1,3 @@
+<resources>
+    <dimen name="fab_margin">48dp</dimen>
+</resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/dimens.xml b/app/src/main/res/values/dimens.xml
index edf0e6d..b9898d5 100644
--- a/app/src/main/res/values/dimens.xml
+++ b/app/src/main/res/values/dimens.xml
@@ -3,5 +3,7 @@
     <dimen name="activity_horizontal_margin">16dp</dimen>
     <dimen name="activity_vertical_margin">16dp</dimen>
     <dimen name="fab_margin">16dp</dimen>
+    <dimen name="appbar_padding">16dp</dimen>
+    <dimen name="appbar_padding_top">8dp</dimen>
     <!-- Default screen margins, per the Android Design guidelines. -->
 </resources>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 32ea311..013bea7 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -555,4 +555,7 @@
         libero vel nunc consequat, quis tincidunt nisl eleifend. Cras bibendum enim a justo luctus
         vestibulum. Fusce dictum libero quis erat maximus, vitae volutpat diam dignissim.
     </string>
+    <string name="title_activity_main2">MainActivity2</string>
+    <string name="tab_text_1">Tab 1</string>
+    <string name="tab_text_2">Tab 2</string>
 </resources>
diff --git a/app/src/main/res/values/themes.xml b/app/src/main/res/values/themes.xml
new file mode 100644
index 0000000..d907dd5
--- /dev/null
+++ b/app/src/main/res/values/themes.xml
@@ -0,0 +1,11 @@
+<resources>
+
+    <style name="AppTheme.NoActionBar">
+        <item name="windowActionBar">false</item>
+        <item name="windowNoTitle">true</item>
+    </style>
+
+    <style name="AppTheme.AppBarOverlay" parent="ThemeOverlay.AppCompat.Dark.ActionBar" />
+
+    <style name="AppTheme.PopupOverlay" parent="ThemeOverlay.AppCompat.Light" />
+</resources>
\ No newline at end of file