Potentially fixed Felix' bug in the camera. Also made some changes for better readability of my own code.

app/MyHyvesBookPlusStagram/app/src/main/java/nl/myhyvesbookplus/tagram/CameraFragment.java

@@ -149,6 +149,7 @@ public class CameraFragment extends Fragment implements PostUploader.PostUploadL
                 view.findViewById(R.id.comment_box).bringToFront();
                 view.findViewById(R.id.filter_buttons).setVisibility(View.GONE);
                 ((FloatingActionButton)view.findViewById(R.id.upload_button)).hide();
+                hideKeyboard();
             }
         });
 
@@ -179,6 +180,7 @@ public class CameraFragment extends Fragment implements PostUploader.PostUploadL
                 view.findViewById(R.id.switch_camera_button).bringToFront();
 
                 mCameraLayout.removeView(view.findViewById(R.id.pic_preview));
+                hideKeyboard();
             }
         });
 
@@ -203,6 +205,7 @@ public class CameraFragment extends Fragment implements PostUploader.PostUploadL
                 view.findViewById(R.id.switch_camera_button).bringToFront();
 
                 mCameraLayout.removeView(view.findViewById(R.id.pic_preview));
+                hideKeyboard();
             }
         });
 
@@ -242,21 +245,15 @@ public class CameraFragment extends Fragment implements PostUploader.PostUploadL
             }
         });
 
-        (view.findViewById(R.id.comment_text)).setOnFocusChangeListener(new View.OnFocusChangeListener() {
-            @Override
-            public void onFocusChange(View v, boolean hasFocus) {
-                if (!hasFocus) {
-                    hideKeyboard(v);
-                }
-            }
-        });
-
         return view;
     }
 
-    public void hideKeyboard(View view) {
-        InputMethodManager inputMethodManager =(InputMethodManager) getActivity().getSystemService(Activity.INPUT_METHOD_SERVICE);
-        inputMethodManager.hideSoftInputFromWindow(view.getWindowToken(), 0);
+    /**
+     * Hides keyboard after submit, upload or cancel button gets pressed.
+     */
+    public void hideKeyboard() {
+        ((InputMethodManager) getActivity().getSystemService(Activity.INPUT_METHOD_SERVICE))
+                .toggleSoftInput(InputMethodManager.SHOW_IMPLICIT, 0);
     }
 
     // TODO: Rename method, update argument and hook method into UI event

app/MyHyvesBookPlusStagram/app/src/main/java/nl/myhyvesbookplus/tagram/ProfileFragment.java

@@ -45,9 +45,12 @@ public class ProfileFragment extends Fragment implements View.OnClickListener {
     protected TextView profileName;
     protected ImageView profilePicture;
     protected FirebaseUser user;
-    protected File photoFile = null;
+    protected File photoFile;
     private ListView listView;
     private DownloadClass downloadClass;
+    private View headerInflater;
+    private View timeLineInflater;
+
     ProgressDialog progressDialog;
 
     /// Required empty public constructor ///
@@ -58,19 +61,25 @@ public class ProfileFragment extends Fragment implements View.OnClickListener {
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         user = FirebaseAuth.getInstance().getCurrentUser();
+        photoFile = null;
      }
 
     /**
-     * Assigns all views and buttons.
+     * Assigns all views and buttons for the header.
      */
-    protected void findViews(View view) {
-        profilePicButton = (ImageButton) view.findViewById(R.id.profile_pic_button);
-        profilePicture = (ImageView) view.findViewById(R.id.imageView_profile_picture);
-        profileName = (TextView) view.findViewById(R.id.profile_name);
-        changePwdButton = (Button) view.findViewById(R.id.change_psw_button);
+    protected void findHeaderViews() {
+        profilePicButton = (ImageButton) headerInflater.findViewById(R.id.profile_pic_button);
+        profilePicture = (ImageView) headerInflater.findViewById(R.id.imageView_profile_picture);
+        profileName = (TextView) headerInflater.findViewById(R.id.profile_name);
+        changePwdButton = (Button) headerInflater.findViewById(R.id.change_psw_button);
         bindOnClick();
     }
 
+    protected void findTimelineViews() {
+        listView = (ListView) timeLineInflater.findViewById(R.id.list);
+        listView.addHeaderView(headerInflater);
+    }
+
     /**
      * Bind the buttons to their listeners.
      */
@@ -84,11 +93,11 @@ public class ProfileFragment extends Fragment implements View.OnClickListener {
     @Override
     public View onCreateView(LayoutInflater inflater, ViewGroup container,
                              Bundle savedInstanceState) {
-        View viewTimeline = inflater.inflate(R.layout.fragment_profile_timeline, container, false);
-        listView = (ListView) viewTimeline.findViewById(R.id.list);
-        View viewHeader = inflater.inflate(R.layout.fragment_profile_header, listView, false);
-        findViews(viewHeader);
-        listView.addHeaderView(viewHeader);
+
+        timeLineInflater = inflater.inflate(R.layout.fragment_profile_timeline, container, false);
+        headerInflater = inflater.inflate(R.layout.fragment_profile_header, listView, false);
+        findHeaderViews();
+        findTimelineViews();
 
         profilePicture.invalidate();
 
@@ -106,11 +115,9 @@ public class ProfileFragment extends Fragment implements View.OnClickListener {
             Glide.with(this).using(new FirebaseImageLoader()).load(httpsReference).into(profilePicture);
         }
 
-
-
-        downloadClass = new DownloadClass(getActivity(), "profile");
+        downloadClass = new DownloadClass(getActivity());
         downloadClass.getPostsFromServer();
-        return viewTimeline;
+        return timeLineInflater;
     }
 
     /**

app/MyHyvesBookPlusStagram/app/src/main/java/nl/myhyvesbookplus/tagram/TimelineFragment.java

@@ -32,13 +32,13 @@ public class TimelineFragment extends Fragment {
         final SwipeRefreshLayout swipeView = (SwipeRefreshLayout) view.findViewById(R.id.swipe);
 
         swipeView.setEnabled(false);
-        downloadClass = new DownloadClass(getActivity(), "timeline");
+        downloadClass = new DownloadClass(getActivity());
         downloadClass.getPostsFromServer();
 
         swipeView.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {
             @Override
             public void onRefresh() {
-                downloadClass = new DownloadClass(getActivity(), "timeline");
+                downloadClass = new DownloadClass(getActivity());
                 downloadClass.getPostsFromServer();
                 swipeView.setRefreshing(true);
                 ( new Handler()).postDelayed(new Runnable() {

app/MyHyvesBookPlusStagram/app/src/main/java/nl/myhyvesbookplus/tagram/controller/DownloadClass.java

@@ -24,9 +24,8 @@ public class DownloadClass {
     private DatabaseReference mDataRef;
     private ArrayList<UriPost> mList;
     private PostDownloadListener mListener;
-    private String fragmentName;
 
-    public DownloadClass(Context context, String fragmentName) {
+    public DownloadClass(Context context) {
         if (context instanceof DownloadClass.PostDownloadListener) {
             mListener = (PostDownloadListener) context;
         } else {
@@ -35,7 +34,6 @@ public class DownloadClass {
         }
         mDataRef = FirebaseDatabase.getInstance().getReference();
         mList = new ArrayList<>();
-        this.fragmentName = fragmentName;
     }
 
     public void getPostsFromServer() {