diff --git a/app/MyHyvesBookPlusStagram/app/src/main/java/nl/myhyvesbookplus/tagram/MainActivity.java b/app/MyHyvesBookPlusStagram/app/src/main/java/nl/myhyvesbookplus/tagram/MainActivity.java
index 086efa4..b4ac749 100644
--- a/app/MyHyvesBookPlusStagram/app/src/main/java/nl/myhyvesbookplus/tagram/MainActivity.java
+++ b/app/MyHyvesBookPlusStagram/app/src/main/java/nl/myhyvesbookplus/tagram/MainActivity.java
@@ -1,15 +1,12 @@
 package nl.myhyvesbookplus.tagram;
 
-import android.app.FragmentManager;
 import android.app.FragmentTransaction;
 import android.content.Intent;
 import android.graphics.Bitmap;
-import android.hardware.Camera;
 import android.net.Uri;
 import android.os.Bundle;
 import android.support.annotation.NonNull;
 import android.support.design.widget.BottomNavigationView;
-import android.app.Fragment;
 import android.support.v7.app.AppCompatActivity;
 import android.util.Log;
 import android.view.MenuItem;
@@ -17,9 +14,10 @@ import android.view.View;
 
 import com.google.firebase.auth.FirebaseAuth;
 
+import nl.myhyvesbookplus.tagram.controller.UploadClass;
 import nl.myhyvesbookplus.tagram.model.BitmapPost;
 
-public class MainActivity extends AppCompatActivity implements CameraFragment.OnFragmentInteractionListener, ProfileFragment.OnFragmentInteractionListener, TimelineFragment.OnFragmentInteractionListener {
+public class MainActivity extends AppCompatActivity implements CameraFragment.OnFragmentInteractionListener, ProfileFragment.OnFragmentInteractionListener, TimelineFragment.OnFragmentInteractionListener, UploadClass.ProfilePictureUpdatedListener {
     final static private String TAG = "MainScreen";
 
     FirebaseAuth mAuth;
@@ -74,14 +72,11 @@ public class MainActivity extends AppCompatActivity implements CameraFragment.On
             goToLogin();
         }
 
-        Log.d(TAG, "onCreate: " + mAuth.getCurrentUser().getPhotoUrl() );
-
         TimelineFragment fragment = new TimelineFragment();
 
         FragmentTransaction transaction = getFragmentManager().beginTransaction();
         transaction.replace(R.id.content, fragment);
         transaction.commit();
-
     }
 
     @Override
@@ -106,9 +101,15 @@ public class MainActivity extends AppCompatActivity implements CameraFragment.On
     }
 
     public void testCreatePost(View view) {
-        UploadClass uploadClass = new UploadClass();
+        UploadClass uploadClass = new UploadClass(this);
         Bitmap bitmap = Bitmap.createBitmap(100, 100, Bitmap.Config.ALPHA_8);
         BitmapPost bitmapPost = new BitmapPost(bitmap, "Dit is een Test!");
         uploadClass.uploadPicture(bitmapPost);
     }
+
+    @Override
+    public void ProfilePictureUpdated(Boolean success) {
+        Log.d(TAG, "ProfilePictureUpdated: Ja ik luister naar je!");
+    }
+
 }
diff --git a/app/MyHyvesBookPlusStagram/app/src/main/java/nl/myhyvesbookplus/tagram/ProfileFragment.java b/app/MyHyvesBookPlusStagram/app/src/main/java/nl/myhyvesbookplus/tagram/ProfileFragment.java
index 7b251aa..a30e64e 100644
--- a/app/MyHyvesBookPlusStagram/app/src/main/java/nl/myhyvesbookplus/tagram/ProfileFragment.java
+++ b/app/MyHyvesBookPlusStagram/app/src/main/java/nl/myhyvesbookplus/tagram/ProfileFragment.java
@@ -26,6 +26,8 @@ import com.google.firebase.auth.FirebaseUser;
 import com.google.firebase.storage.FirebaseStorage;
 import com.google.firebase.storage.StorageReference;
 
+import nl.myhyvesbookplus.tagram.controller.UploadClass;
+
 import static android.app.Activity.RESULT_OK;
 
 /**
@@ -38,6 +40,7 @@ import static android.app.Activity.RESULT_OK;
  */
 public class ProfileFragment extends Fragment implements View.OnClickListener {
     static final int REQUEST_IMAGE_CAPTURE = 1;
+    final static private String TAG = "ProfileFragment";
     // TODO: Rename parameter arguments, choose names that match
     // the fragment initialization parameters, e.g. ARG_ITEM_NUMBER
     private static final String ARG_PARAM1 = "param1";
@@ -183,7 +186,7 @@ public class ProfileFragment extends Fragment implements View.OnClickListener {
         if (requestCode == REQUEST_IMAGE_CAPTURE && resultCode == RESULT_OK) {
             Bundle extras = data.getExtras();
             Bitmap imageBitmap = (Bitmap) extras.get("data");
-            UploadClass uploadClass = new UploadClass();
+            UploadClass uploadClass = new UploadClass(getActivity());
             uploadClass.uploadProfilePicture(imageBitmap);
             profilePicture.invalidate();
         }
@@ -246,4 +249,6 @@ public class ProfileFragment extends Fragment implements View.OnClickListener {
         // TODO: Update argument type and name
         void onFragmentInteraction(Uri uri);
     }
+
+
 }
diff --git a/app/MyHyvesBookPlusStagram/app/src/main/java/nl/myhyvesbookplus/tagram/controller/DownloadClass.java b/app/MyHyvesBookPlusStagram/app/src/main/java/nl/myhyvesbookplus/tagram/controller/DownloadClass.java
new file mode 100644
index 0000000..1ddaf17
--- /dev/null
+++ b/app/MyHyvesBookPlusStagram/app/src/main/java/nl/myhyvesbookplus/tagram/controller/DownloadClass.java
@@ -0,0 +1,28 @@
+package nl.myhyvesbookplus.tagram.controller;
+
+import com.google.firebase.database.DatabaseReference;
+import com.google.firebase.database.FirebaseDatabase;
+import com.google.firebase.storage.FirebaseStorage;
+import com.google.firebase.storage.StorageReference;
+
+import nl.myhyvesbookplus.tagram.model.UriPost;
+
+/**
+ * Created by marijnjansen on 23/06/2017.
+ */
+
+public class DownloadClass {
+    private static final String TAG = "DownloadClass";
+    private StorageReference mStorageRef;
+    private DatabaseReference mDataRef;
+
+    public DownloadClass() {
+        mStorageRef = FirebaseStorage.getInstance().getReference();
+        mDataRef = FirebaseDatabase.getInstance().getReference();
+    }
+
+    public UriPost[] getPosts() {
+        UriPost[] posts = new UriPost[10];
+        return posts;
+    }
+}
diff --git a/app/MyHyvesBookPlusStagram/app/src/main/java/nl/myhyvesbookplus/tagram/controller/UploadClass.java b/app/MyHyvesBookPlusStagram/app/src/main/java/nl/myhyvesbookplus/tagram/controller/UploadClass.java
index 57a7e78..3f104a2 100644
--- a/app/MyHyvesBookPlusStagram/app/src/main/java/nl/myhyvesbookplus/tagram/controller/UploadClass.java
+++ b/app/MyHyvesBookPlusStagram/app/src/main/java/nl/myhyvesbookplus/tagram/controller/UploadClass.java
@@ -1,5 +1,6 @@
 package nl.myhyvesbookplus.tagram.controller;
 
+import android.content.Context;
 import android.graphics.Bitmap;
 import android.net.Uri;
 import android.support.annotation.NonNull;
@@ -34,9 +35,12 @@ public class UploadClass {
     private StorageReference mStorageRef;
     private DatabaseReference mDataRef;
 
-    public UploadClass() {
+    private ProfilePictureUpdatedListener mListener;
+
+    public UploadClass(Context context) {
         mStorageRef = FirebaseStorage.getInstance().getReference();
         mDataRef = FirebaseDatabase.getInstance().getReference();
+        mListener = (ProfilePictureUpdatedListener) context;
     }
 
     /// Helpers ///
@@ -117,7 +121,12 @@ public class UploadClass {
                     @Override
                     public void onComplete(@NonNull Task<Void> task) {
                         Log.d(TAG, "onComplete: Updated profile picture");
+                        mListener.ProfilePictureUpdated(true);
                     }
                 });
     }
+
+    public interface ProfilePictureUpdatedListener {
+        void ProfilePictureUpdated(Boolean success);
+    }
 }
diff --git a/app/MyHyvesBookPlusStagram/app/src/main/java/nl/myhyvesbookplus/tagram/model/BitmapPost.java b/app/MyHyvesBookPlusStagram/app/src/main/java/nl/myhyvesbookplus/tagram/model/BitmapPost.java
index 2d51cae..83d8399 100644
--- a/app/MyHyvesBookPlusStagram/app/src/main/java/nl/myhyvesbookplus/tagram/model/BitmapPost.java
+++ b/app/MyHyvesBookPlusStagram/app/src/main/java/nl/myhyvesbookplus/tagram/model/BitmapPost.java
@@ -5,6 +5,9 @@ import android.net.Uri;
 
 import java.util.Date;
 
+/**
+ * BitmapPost is a Class for a Post with a Bitmap as an image.
+ */
 public class BitmapPost extends Post {
     private Bitmap photo;
 
diff --git a/app/MyHyvesBookPlusStagram/app/src/main/java/nl/myhyvesbookplus/tagram/model/Post.java b/app/MyHyvesBookPlusStagram/app/src/main/java/nl/myhyvesbookplus/tagram/model/Post.java
index 96c4578..87edbdd 100644
--- a/app/MyHyvesBookPlusStagram/app/src/main/java/nl/myhyvesbookplus/tagram/model/Post.java
+++ b/app/MyHyvesBookPlusStagram/app/src/main/java/nl/myhyvesbookplus/tagram/model/Post.java
@@ -5,9 +5,8 @@ import com.google.firebase.auth.FirebaseAuth;
 import java.util.Date;
 
 /**
- * Created by marijnjansen on 22/06/2017.
+ * Post is a Class for a Post with a Bitmap as an image.
  */
-
 abstract class Post {
 
     private Date date;
diff --git a/app/MyHyvesBookPlusStagram/app/src/main/java/nl/myhyvesbookplus/tagram/model/UriPost.java b/app/MyHyvesBookPlusStagram/app/src/main/java/nl/myhyvesbookplus/tagram/model/UriPost.java
index 494e124..2b80ad6 100644
--- a/app/MyHyvesBookPlusStagram/app/src/main/java/nl/myhyvesbookplus/tagram/model/UriPost.java
+++ b/app/MyHyvesBookPlusStagram/app/src/main/java/nl/myhyvesbookplus/tagram/model/UriPost.java
@@ -4,6 +4,9 @@ import android.net.Uri;
 
 import java.util.Date;
 
+/**
+ * UriPost is a Class for a Post with a Uri as an image.
+ */
 public class UriPost extends Post {
     private String photo;