diff --git a/MyFirstSlideshow/app/build.gradle b/MyFirstSlideshow/app/build.gradle
index 1a1ed18..54b2060 100644
--- a/MyFirstSlideshow/app/build.gradle
+++ b/MyFirstSlideshow/app/build.gradle
@@ -20,4 +20,5 @@ android {
 
 dependencies {
     compile 'com.android.support:appcompat-v7:25.3.1'
+    compile 'com.karumi:dexter:4.1.0'
 }
diff --git a/MyFirstSlideshow/app/src/main/AndroidManifest.xml b/MyFirstSlideshow/app/src/main/AndroidManifest.xml
index c10f24d..c01aa4e 100644
--- a/MyFirstSlideshow/app/src/main/AndroidManifest.xml
+++ b/MyFirstSlideshow/app/src/main/AndroidManifest.xml
@@ -2,6 +2,12 @@
 <manifest package="com.charles.myfirstslideshow"
     xmlns:android="http://schemas.android.com/apk/res/android">
 
+    <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
+    <uses-permission android:name="android.permission.CHANGE_WIFI_STATE" />
+    <uses-permission android:name="android.permission.CHANGE_NETWORK_STATE" />
+    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
+
     <application
         android:allowBackup="true"
         android:icon="@mipmap/ic_launcher"
diff --git a/MyFirstSlideshow/app/src/main/java/com/charles/myfirstslideshow/MainActivity.java b/MyFirstSlideshow/app/src/main/java/com/charles/myfirstslideshow/MainActivity.java
index 9362cd2..08c4d43 100644
--- a/MyFirstSlideshow/app/src/main/java/com/charles/myfirstslideshow/MainActivity.java
+++ b/MyFirstSlideshow/app/src/main/java/com/charles/myfirstslideshow/MainActivity.java
@@ -1,7 +1,23 @@
 package com.charles.myfirstslideshow;
 
-import android.support.v7.app.AppCompatActivity;
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
 import android.os.Bundle;
+import android.os.StrictMode;
+import android.support.v7.app.AppCompatActivity;
+import android.view.View;
+import android.widget.ImageView;
+import android.R.id;
+
+import java.io.Serializable;
+import java.lang.ref.WeakReference;
+import java.net.URL;
+import java.net.URLConnection;
+import java.util.Arrays;
+import java.util.List;
+
+import static android.graphics.Color.GREEN;
+import static android.graphics.Color.GRAY;
 
 /**
  *  MainActivity.java
@@ -10,12 +26,141 @@
  *  This code is for demonstration purposes only. It should not be assumed to represent best
  *  practices or patterns employed at Yoti.
  */
+public class MainActivity extends AppCompatActivity implements Serializable {
+
+    // Images under Creative Commons
+    // Images attributed to (in order) https://www.flickr.com/photos/_torne/
+    // https://www.flickr.com/photos/chrisyarzab/
+    // https://www.reddit.com/user/lalien42/
+    // http://www.kapstadt.de/
+
+    public static List images = Arrays.asList(new String[]{"https://c1.staticflickr.com/6/5615/15570202337_0e64f5046e_k.jpg",
+            "https://c1.staticflickr.com/4/3169/2846544061_cb7c04b46f_b.jpg",
+            "https://i.redd.it/d8q1wkgu1awy.jpg",
+            "http://www.kapstadt.de/webcam.jpg"});
 
-public class MainActivity extends AppCompatActivity {
+    static int i = 0;
+    static int j = 0;
+
+    volatile WeakReference<ImageView> image1;
+    volatile WeakReference<ImageView> image2;
+
+    static View[] dots1;
+    static View[] dots2;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
+
+        if (savedInstanceState == null) {
+            dots1 = new View[4];
+            dots1[0] = getWindow().findViewById(R.id.dots1dot1);
+            dots1[1] = getWindow().findViewById(R.id.dots1dot2);
+            dots1[2] = getWindow().findViewById(R.id.dots1dot3);
+            dots1[3] = getWindow().findViewById(R.id.dots1dot4);
+            dots2 = new View[4];
+            dots2[0] = getWindow().findViewById(R.id.dots2dot1);
+            dots2[1] = getWindow().findViewById(R.id.dots2dot2);
+            dots2[2] = getWindow().findViewById(R.id.dots2dot3);
+            dots2[3] = getWindow().findViewById(R.id.dots2dot4);
+        }
+
+        super.onCreate(savedInstanceState);
+
+        image1 = new WeakReference<ImageView>((ImageView) getWindow().findViewById(R.id.image1));
+        image2 = new WeakReference<ImageView>((ImageView) getWindow().findViewById(R.id.image2));
+    }
+
+    public synchronized void onButtonOneClicked(View button) {
+        String currentImage = "" + images.get(i % 4);
+        i += 1;
+        // the last url of the array changes every ~ 15 minutes
+        Bitmap b;
+        try {
+            URL url = new URL(currentImage);
+            URLConnection c = url.openConnection();
+            b = BitmapFactory.decodeStream(c.getInputStream());
+        } catch (Exception e) {
+            e.printStackTrace();
+            throw new RuntimeException("Error decoding picture");
+        }
+
+        image1.get().setImageBitmap(b);
+
+        //Update dots
+        if (i % 4 == 0) {
+            dots1[0].setBackgroundColor(GREEN);
+            dots1[1].setBackgroundColor(GRAY);
+            dots1[2].setBackgroundColor(GRAY);
+            dots1[3].setBackgroundColor(GRAY);
+        }
+        if (i % 4 == 1) {
+            dots1[1].setBackgroundColor(GREEN);
+            dots1[0].setBackgroundColor(GRAY);
+            dots1[2].setBackgroundColor(GRAY);
+            dots1[3].setBackgroundColor(GRAY);
+        }
+        if (i % 4 == 2) {
+            dots1[2].setBackgroundColor(GREEN);
+            dots1[1].setBackgroundColor(GRAY);
+            dots1[0].setBackgroundColor(GRAY);
+            dots1[3].setBackgroundColor(GRAY);
+        }
+        if (i % 4 == 3) {
+            dots1[3].setBackgroundColor(GREEN);
+            dots1[1].setBackgroundColor(GRAY);
+            dots1[2].setBackgroundColor(GRAY);
+            dots1[0].setBackgroundColor(GRAY);
+        }
+    }
+
+    public synchronized void onButtonTwoClicked(View button) {
+        String currentImage = "" + images.get(j % 4);
+        j += 1;
+        // the last url of the array changes every ~ 15 minutes
+        Bitmap b;
+        try {
+            URL url = new URL(currentImage);
+            URLConnection c = url.openConnection();
+            b = BitmapFactory.decodeStream(c.getInputStream());
+        } catch (Exception e) {
+            e.printStackTrace();
+            throw new RuntimeException("Error decoding picture");
+        }
+
+        image2.get().setImageBitmap(b);
+
+        //Update dots
+        if (j % 4 == 0) {
+            dots2[0].setBackgroundColor(GREEN);
+            dots2[1].setBackgroundColor(GRAY);
+            dots2[2].setBackgroundColor(GRAY);
+            dots2[3].setBackgroundColor(GRAY);
+        }
+        if (j % 4 == 1) {
+            dots2[1].setBackgroundColor(GREEN);
+            dots2[0].setBackgroundColor(GRAY);
+            dots2[2].setBackgroundColor(GRAY);
+            dots2[3].setBackgroundColor(GRAY);
+        }
+        if (j % 4 == 2) {
+            dots2[2].setBackgroundColor(GREEN);
+            dots2[1].setBackgroundColor(GRAY);
+            dots2[0].setBackgroundColor(GRAY);
+            dots2[3].setBackgroundColor(GRAY);
+        }
+        if (j % 4 == 3) {
+            dots2[3].setBackgroundColor(GREEN);
+            dots2[1].setBackgroundColor(GRAY);
+            dots2[2].setBackgroundColor(GRAY);
+            dots2[0].setBackgroundColor(GRAY);
+        }
+    }
+
+    public void onImageTapped(View image) {
+    }
+    {
+        StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder().permitAll().build();
+        StrictMode.setThreadPolicy(policy);
     }
 }
diff --git a/MyFirstSlideshow/app/src/main/res/layout/activity_main.xml b/MyFirstSlideshow/app/src/main/res/layout/activity_main.xml
index 0b886d0..d6d77e4 100644
--- a/MyFirstSlideshow/app/src/main/res/layout/activity_main.xml
+++ b/MyFirstSlideshow/app/src/main/res/layout/activity_main.xml
@@ -4,11 +4,87 @@
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     tools:context="com.charles.myfirstslideshow.MainActivity">
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:orientation="vertical">
 
-    <TextView
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:text="Hello World!"
-        />
+        <ImageView
+            android:layout_width="match_parent"
+            android:layout_height="400px"
+            android:id="@+id/image1"/>
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content">
+            <View
+                android:id="@+id/dots1dot1"
+                android:layout_width="100px"
+                android:layout_height="20px"
+                android:layout_weight="1"
+                android:background="#008000"/>
+            <View
+                android:id="@+id/dots1dot2"
+                android:layout_width="100px"
+                android:layout_height="20px"
+                android:layout_weight="1"
+                android:background="#008000"/>
+            <View
+                android:id="@+id/dots1dot3"
+                android:layout_width="100px"
+                android:layout_height="20px"
+                android:layout_weight="1"
+                android:background="#008000"/>
+            <View
+                android:id="@+id/dots1dot4"
+                android:layout_width="100px"
+                android:layout_height="20px"
+                android:layout_weight="1"
+                android:background="#008000"/>
+        </LinearLayout>
+        <Button
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="Next Image"
+            android:onClick="onButtonOneClicked"/>
+
+
+        <ImageView
+            android:layout_width="match_parent"
+            android:layout_height="400px"
+            android:id="@+id/image2"/>
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content">
+            <View
+                android:id="@+id/dots2dot1"
+                android:layout_width="100px"
+                android:layout_height="20px"
+                android:layout_weight="1"
+                android:background="#008000"/>
+            <View
+                android:id="@+id/dots2dot2"
+                android:layout_width="100px"
+                android:layout_height="20px"
+                android:layout_weight="1"
+                android:background="#008000"/>
+            <View
+                android:id="@+id/dots2dot3"
+                android:layout_width="100px"
+                android:layout_height="20px"
+                android:layout_weight="1"
+                android:background="#008000"/>
+            <View
+                android:id="@+id/dots2dot4"
+                android:layout_width="100px"
+                android:layout_height="20px"
+                android:layout_weight="1"
+                android:background="#008000"/>
+        </LinearLayout>
+        <Button
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="Next Image"
+            android:onClick="onButtonTwoClicked"/>
+    </LinearLayout>
 
 </FrameLayout>