diff --git a/app/src/main/java/fr/free/nrw/commons/ui/widget/CompatTextView.java b/app/src/main/java/fr/free/nrw/commons/ui/widget/CompatTextView.java
index 2508877ed..a04f7f8c8 100644
--- a/app/src/main/java/fr/free/nrw/commons/ui/widget/CompatTextView.java
+++ b/app/src/main/java/fr/free/nrw/commons/ui/widget/CompatTextView.java
@@ -1,73 +1,96 @@
-package fr.free.nrw.commons.ui.widget;
-
-/**
- * Created by mikel on 07/08/2017.
- */
-
-import android.content.Context;
-import android.content.res.TypedArray;
-import android.graphics.drawable.Drawable;
-import android.support.annotation.Nullable;
-import android.support.v4.view.ViewCompat;
-import android.support.v7.widget.AppCompatDrawableManager;
-import android.support.v7.widget.AppCompatTextView;
-import android.util.AttributeSet;
-
-import fr.free.nrw.commons.R;
-import fr.free.nrw.commons.utils.UiUtils;
-
-public class CompatTextView extends AppCompatTextView {
-    public CompatTextView(Context context) {
-        super(context);
-        init(null);
-    }
-
-    public CompatTextView(Context context, AttributeSet attrs) {
-        super(context, attrs);
-        init(attrs);
-    }
-
-    public CompatTextView(Context context, AttributeSet attrs, int defStyleAttr) {
-        super(context, attrs, defStyleAttr);
-        init(attrs);
-    }
-
-    private void init(@Nullable AttributeSet attrs) {
-        if (attrs != null) {
-            Context context = getContext();
-            TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.CompatTextView);
-
-            // Obtain DrawableManager used to pull Drawables safely, and check if we're in RTL
-            AppCompatDrawableManager dm = AppCompatDrawableManager.get();
-            boolean rtl = ViewCompat.getLayoutDirection(this) == ViewCompat.LAYOUT_DIRECTION_RTL;
-
-            // Grab the compat drawable padding from the XML
-            float drawablePadding = a.getDimension(R.styleable.CompatTextView_drawablePadding, 0);
-
-            // Grab the compat drawable resources from the XML
-            int startDrawableRes = a.getResourceId(R.styleable.CompatTextView_drawableStart, 0);
-            int topDrawableRes = a.getResourceId(R.styleable.CompatTextView_drawableTop, 0);
-            int endDrawableRes = a.getResourceId(R.styleable.CompatTextView_drawableEnd, 0);
-            int bottomDrawableRes = a.getResourceId(R.styleable.CompatTextView_drawableBottom, 0);
-
-            // Load the used drawables, fall back to whatever was set in an "android:"
-            Drawable[] currentDrawables = getCompoundDrawables();
-            Drawable left = startDrawableRes != 0
-                    ? dm.getDrawable(context, startDrawableRes) : currentDrawables[0];
-            Drawable right = endDrawableRes != 0
-                    ? dm.getDrawable(context, endDrawableRes) : currentDrawables[1];
-            Drawable top = topDrawableRes != 0
-                    ? dm.getDrawable(context, topDrawableRes) : currentDrawables[2];
-            Drawable bottom = bottomDrawableRes != 0
-                    ? dm.getDrawable(context, bottomDrawableRes) : currentDrawables[3];
-
-            // Account for RTL and apply the compound Drawables
-            Drawable start = rtl ? right : left;
-            Drawable end = rtl ? left : right;
-            setCompoundDrawablesWithIntrinsicBounds(start, top, end, bottom);
-            setCompoundDrawablePadding((int) UiUtils.convertDpToPixel(drawablePadding, getContext()));
-
-            a.recycle();
-        }
-    }
-}
+package fr.free.nrw.commons.ui.widget;
+
+/**
+ * Created by mikel on 07/08/2017.
+ */
+
+import android.content.Context;
+import android.content.res.TypedArray;
+import android.graphics.drawable.Drawable;
+import android.support.annotation.Nullable;
+import android.support.v4.view.ViewCompat;
+import android.support.v7.widget.AppCompatDrawableManager;
+import android.support.v7.widget.AppCompatTextView;
+import android.util.AttributeSet;
+
+import fr.free.nrw.commons.R;
+import fr.free.nrw.commons.utils.UiUtils;
+
+/**
+ * a text view compatible with older versions of the platform
+ */
+public class CompatTextView extends AppCompatTextView {
+	
+    /**
+     * Constructs a new instance of CompatTextView
+     * @param context the view context
+     */
+    public CompatTextView(Context context) {
+        super(context);
+        init(null);
+    }
+    
+    /**
+     * Constructs a new instance of CompatTextView
+     * @param context the view context
+     * @param attrs the set of attributes for the view
+     */
+    public CompatTextView(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        init(attrs);
+    }
+
+    /**
+     * Constructs a new instance of CompatTextView
+     * @param context
+     * @param attrs
+     * @param defStyleAttr
+     */
+    public CompatTextView(Context context, AttributeSet attrs, int defStyleAttr) {
+        super(context, attrs, defStyleAttr);
+        init(attrs);
+    }
+
+    /**
+     * initializes the view
+     * @param attrs the attribute set of the view, which can be null
+     */
+    private void init(@Nullable AttributeSet attrs) {
+        if (attrs != null) {
+            Context context = getContext();
+            TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.CompatTextView);
+
+            // Obtain DrawableManager used to pull Drawables safely, and check if we're in RTL
+            AppCompatDrawableManager dm = AppCompatDrawableManager.get();
+            boolean rtl = ViewCompat.getLayoutDirection(this) == ViewCompat.LAYOUT_DIRECTION_RTL;
+
+            // Grab the compat drawable padding from the XML
+            float drawablePadding = a.getDimension(R.styleable.CompatTextView_drawablePadding, 0);
+
+            // Grab the compat drawable resources from the XML
+            int startDrawableRes = a.getResourceId(R.styleable.CompatTextView_drawableStart, 0);
+            int topDrawableRes = a.getResourceId(R.styleable.CompatTextView_drawableTop, 0);
+            int endDrawableRes = a.getResourceId(R.styleable.CompatTextView_drawableEnd, 0);
+            int bottomDrawableRes = a.getResourceId(R.styleable.CompatTextView_drawableBottom, 0);
+
+            // Load the used drawables, fall back to whatever was set in an "android:"
+            Drawable[] currentDrawables = getCompoundDrawables();
+            Drawable left = startDrawableRes != 0
+                    ? dm.getDrawable(context, startDrawableRes) : currentDrawables[0];
+            Drawable right = endDrawableRes != 0
+                    ? dm.getDrawable(context, endDrawableRes) : currentDrawables[1];
+            Drawable top = topDrawableRes != 0
+                    ? dm.getDrawable(context, topDrawableRes) : currentDrawables[2];
+            Drawable bottom = bottomDrawableRes != 0
+                    ? dm.getDrawable(context, bottomDrawableRes) : currentDrawables[3];
+
+            // Account for RTL and apply the compound Drawables
+            Drawable start = rtl ? right : left;
+            Drawable end = rtl ? left : right;
+            setCompoundDrawablesWithIntrinsicBounds(start, top, end, bottom);
+            setCompoundDrawablePadding((int) UiUtils.convertDpToPixel(drawablePadding, getContext()));
+
+            a.recycle();
+        }
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/fr/free/nrw/commons/ui/widget/HtmlTextView.java b/app/src/main/java/fr/free/nrw/commons/ui/widget/HtmlTextView.java
index e7f5eaeeb..4e73776c1 100644
--- a/app/src/main/java/fr/free/nrw/commons/ui/widget/HtmlTextView.java
+++ b/app/src/main/java/fr/free/nrw/commons/ui/widget/HtmlTextView.java
@@ -1,42 +1,51 @@
-package fr.free.nrw.commons.ui.widget;
-
-import android.content.Context;
-import android.os.Build;
-import android.support.v7.widget.AppCompatTextView;
-import android.text.Html;
-import android.text.Spanned;
-import android.text.method.LinkMovementMethod;
-import android.util.AttributeSet;
-
-/**
- * An {@link AppCompatTextView} which formats the text to HTML displayable text and makes any
- * links clickable.
- */
-public class HtmlTextView extends AppCompatTextView {
-
-    public HtmlTextView(Context context, AttributeSet attrs) {
-        super(context, attrs);
-
-        setMovementMethod(LinkMovementMethod.getInstance());
-        setText(fromHtml(getText().toString()));
-    }
-
-    public void setHtmlText(String newText) {
-        setText(fromHtml(newText));
-    }
-
-    /**
-     * Fix Html.fromHtml is deprecated problem
-     *
-     * @param source provided Html string
-     * @return returned Spanned of appropriate method according to version check
-     */
-    private static Spanned fromHtml(String source) {
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
-            return Html.fromHtml(source, Html.FROM_HTML_MODE_LEGACY);
-        } else {
-            //noinspection deprecation
-            return Html.fromHtml(source);
-        }
-    }
-}
+package fr.free.nrw.commons.ui.widget;
+
+import android.content.Context;
+import android.os.Build;
+import android.support.v7.widget.AppCompatTextView;
+import android.text.Html;
+import android.text.Spanned;
+import android.text.method.LinkMovementMethod;
+import android.util.AttributeSet;
+
+/**
+ * An {@link AppCompatTextView} which formats the text to HTML displayable text and makes any
+ * links clickable.
+ */
+public class HtmlTextView extends AppCompatTextView {
+
+    /**
+     * Constructs a new instance of HtmlTextView
+     * @param context the context of the view
+     * @param attrs the set of attributes for the view
+     */
+    public HtmlTextView(Context context, AttributeSet attrs) {
+        super(context, attrs);
+
+        setMovementMethod(LinkMovementMethod.getInstance());
+        setText(fromHtml(getText().toString()));
+    }
+
+    /**
+     * Sets the text to be displayed
+     * @param newText the text to be displayed
+     */
+    public void setHtmlText(String newText) {
+        setText(fromHtml(newText));
+    }
+
+    /**
+     * Fix Html.fromHtml is deprecated problem
+     *
+     * @param source provided Html string
+     * @return returned Spanned of appropriate method according to version check
+     */
+    private static Spanned fromHtml(String source) {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
+            return Html.fromHtml(source, Html.FROM_HTML_MODE_LEGACY);
+        } else {
+            //noinspection deprecation
+            return Html.fromHtml(source);
+        }
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/fr/free/nrw/commons/ui/widget/OverlayDialog.java b/app/src/main/java/fr/free/nrw/commons/ui/widget/OverlayDialog.java
index 6b2913d6d..4dea43ffb 100644
--- a/app/src/main/java/fr/free/nrw/commons/ui/widget/OverlayDialog.java
+++ b/app/src/main/java/fr/free/nrw/commons/ui/widget/OverlayDialog.java
@@ -1,46 +1,61 @@
-package fr.free.nrw.commons.ui.widget;
-
-import android.app.Dialog;
-import android.graphics.Color;
-import android.graphics.drawable.ColorDrawable;
-import android.os.Bundle;
-import android.support.annotation.NonNull;
-import android.support.v4.app.DialogFragment;
-import android.view.Gravity;
-import android.view.View;
-import android.view.Window;
-import android.view.WindowManager;
-
-public abstract class OverlayDialog extends DialogFragment {
-
-    @Override
-    public void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-        setStyle(STYLE_NO_FRAME, android.R.style.Theme_Holo_Light);
-    }
-
-    @Override
-    public void onViewCreated(View view, Bundle savedInstanceState) {
-        setDialogLayoutToFullScreen();
-        super.onViewCreated(view, savedInstanceState);
-    }
-
-    private void setDialogLayoutToFullScreen() {
-        Window window = getDialog().getWindow();
-        WindowManager.LayoutParams wlp = window.getAttributes();
-        window.requestFeature(Window.FEATURE_NO_TITLE);
-        wlp.gravity = Gravity.BOTTOM;
-        wlp.width = WindowManager.LayoutParams.MATCH_PARENT;
-        wlp.height = WindowManager.LayoutParams.MATCH_PARENT;
-        window.setAttributes(wlp);
-    }
-
-    @NonNull
-    @Override
-    public Dialog onCreateDialog(Bundle savedInstanceState) {
-        Dialog dialog = super.onCreateDialog(savedInstanceState);
-        Window window = dialog.getWindow();
-        window.setBackgroundDrawable(new ColorDrawable(Color.TRANSPARENT));
-        return dialog;
-    }
+package fr.free.nrw.commons.ui.widget;
+
+import android.app.Dialog;
+import android.graphics.Color;
+import android.graphics.drawable.ColorDrawable;
+import android.os.Bundle;
+import android.support.annotation.NonNull;
+import android.support.v4.app.DialogFragment;
+import android.view.Gravity;
+import android.view.View;
+import android.view.Window;
+import android.view.WindowManager;
+
+/**
+ * a formatted dialog fragment
+ */
+public abstract class OverlayDialog extends DialogFragment {
+
+    /**
+     * creates a DialogFragment with the correct style and theme
+     * @param savedInstanceState
+     */
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setStyle(STYLE_NO_FRAME, android.R.style.Theme_Holo_Light);
+    }
+
+    /**
+     * allows subclasses to initialize themselves if needed
+     * @param view the view being used
+     * @param savedInstanceState bundle re-constructed from a previous saved state
+     */
+    @Override
+    public void onViewCreated(View view, Bundle savedInstanceState) {
+        setDialogLayoutToFullScreen();
+        super.onViewCreated(view, savedInstanceState);
+    }
+
+    /**
+     * sets the dialog layout to fullscreen
+     */
+    private void setDialogLayoutToFullScreen() {
+        Window window = getDialog().getWindow();
+        WindowManager.LayoutParams wlp = window.getAttributes();
+        window.requestFeature(Window.FEATURE_NO_TITLE);
+        wlp.gravity = Gravity.BOTTOM;
+        wlp.width = WindowManager.LayoutParams.MATCH_PARENT;
+        wlp.height = WindowManager.LayoutParams.MATCH_PARENT;
+        window.setAttributes(wlp);
+    }
+
+    @NonNull
+    @Override
+    public Dialog onCreateDialog(Bundle savedInstanceState) {
+        Dialog dialog = super.onCreateDialog(savedInstanceState);
+        Window window = dialog.getWindow();
+        window.setBackgroundDrawable(new ColorDrawable(Color.TRANSPARENT));
+        return dialog;
+    }
 }
\ No newline at end of file