hardcoded video demo version

app/build.gradle

@@ -46,6 +46,4 @@ dependencies {
     implementation 'com.google.firebase:firebase-storage:19.1.1'
     // Volley
     implementation 'com.android.volley:volley:1.1.1'
-    // ui4j webkit
-    implementation files('libs/ui4j-webkit-4.0.0.jar')
 }

app/src/main/java/derenvural/sourceread_prototype/data/cards/CardAdapter.java

@@ -15,7 +15,7 @@
 import derenvural.sourceread_prototype.R;
 import derenvural.sourceread_prototype.SourceReadActivity;
 
-public class CardAdapter<T> extends RecyclerView.Adapter<CardAdapter.CardViewHolder> {
+public abstract class CardAdapter<T> extends RecyclerView.Adapter<CardAdapter.CardViewHolder> {
     protected ArrayList<T> mDataHolders;
     protected static Context context;
     protected static View.OnClickListener listener;

app/src/main/java/derenvural/sourceread_prototype/data/cards/apps/AppAdapter.java

@@ -20,10 +20,6 @@ public class AppAdapter extends CardAdapter<App> {
     // Complex data items may need more than one view per item, and
     // you provide access to all the views for a data item in a view holder
     public static class AppViewHolder extends CardViewHolder {
-        // data items
-        public ImageView vImage;
-        public TextView vTitle;
-        public TextView vText;
         public AppViewHolder(View v) {
             super(v);
             // Create view references

app/src/main/java/derenvural/sourceread_prototype/data/cards/articles/ArticleAdapter.java

@@ -26,10 +26,6 @@ public class ArticleAdapter extends CardAdapter<Article> {
     // Complex data items may need more than one view per item, and
     // you provide access to all the views for a data item in a view holder
     public static class ArticleViewHolder extends CardViewHolder {
-        // data items
-        public ImageView vImage;
-        public TextView vTitle;
-        public TextView vText;
         public ArticleViewHolder(View v) {
             super(v);
             // Create view references

app/src/main/java/derenvural/sourceread_prototype/data/functions/Function.java

@@ -1,29 +1,35 @@
 package derenvural.sourceread_prototype.data.functions;
 
+import android.graphics.drawable.Drawable;
+
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 
 public abstract class Function implements FunctionHolder {
-    private String title;
-    private String text;
+    private CharSequence title;
+    private CharSequence text;
+    private Integer image;
 
     // extended functionality eg onclick, links, analysis data
-    public Function(@NonNull String newTitle, @Nullable String newText){
+    public Function(@NonNull CharSequence newTitle, @Nullable CharSequence newText, @Nullable Integer newImage){
         setTitle(newTitle);
         setText(newText);
+        setImage(newImage);
     }
 
     // GET
-    public String getTitle(){
+    public CharSequence getTitle(){
         return title;
     }
-    public String getText(){
+    public CharSequence getText(){
         return text;
     }
+    public Integer getImage() { return image; }
 
     // SET
-    public void setTitle(String title){ this.title = title; }
-    public void setText(String text){
+    public void setTitle(CharSequence title){ this.title = title; }
+    public void setText(CharSequence text){
         this.text = text;
     }
+    public void setImage(Integer image) { this.image = image; }
 }

app/src/main/java/derenvural/sourceread_prototype/data/functions/FunctionAdapter.java

@@ -5,6 +5,7 @@
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.EditText;
+import android.widget.ImageView;
 import android.widget.TextView;
 
 import androidx.annotation.NonNull;
@@ -15,9 +16,9 @@
 import derenvural.sourceread_prototype.R;
 import derenvural.sourceread_prototype.SourceReadActivity;
 
-public class FunctionAdapter<T> extends RecyclerView.Adapter<FunctionAdapter.FunctionViewHolder> {
+public abstract class FunctionAdapter<T> extends RecyclerView.Adapter<FunctionAdapter.FunctionViewHolder> {
     protected ArrayList<T> mDataHolders;
-    protected static Context context;
+    protected Context context;
     protected static View.OnClickListener listener;
 
     // Provide a reference to the views for each data item
@@ -26,23 +27,17 @@ public class FunctionAdapter<T> extends RecyclerView.Adapter<FunctionAdapter.Fun
     public static class FunctionViewHolder extends RecyclerView.ViewHolder {
         // data items
         public TextView vTitle;
-        public EditText vInput;
         public FunctionViewHolder(View v) {
             super(v);
             // Create view references
             vTitle = v.findViewById(R.id.search_bar_title);
-            vInput = v.findViewById(R.id.search_bar_text);
-
-            // Add click listener for fragment transition
-            //v.setOnClickListener(listener);
         }
     }
 
     // Provide a suitable constructor (depends on the kind of dataset)
-    public FunctionAdapter(SourceReadActivity context, ArrayList<T> newCards/*, View.OnClickListener listener*/) {
+    public FunctionAdapter(SourceReadActivity context, ArrayList<T> newCards) {
         this.context = context;
         this.mDataHolders = newCards;
-        //FunctionAdapter.listener = listener;
     }
 
     // Create new views (invoked by the layout manager)

app/src/main/java/derenvural/sourceread_prototype/data/functions/FunctionHolder.java

@@ -4,10 +4,12 @@ public interface FunctionHolder {
     // Methods
 
     // GET
-    String getTitle();
-    String getText();
+    Integer getImage();
+    CharSequence getTitle();
+    CharSequence getText();
 
     // SET
-    void setTitle(String title);
-    void setText(String text);
+    void setImage(Integer title);
+    void setTitle(CharSequence title);
+    void setText(CharSequence text);
 }

app/src/main/java/derenvural/sourceread_prototype/data/functions/graph/Graph.java

@@ -0,0 +1,13 @@
+package derenvural.sourceread_prototype.data.functions.graph;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+
+import derenvural.sourceread_prototype.data.functions.Function;
+
+public class Graph extends Function {
+    // Constructors
+    public Graph(@NonNull CharSequence title, @Nullable CharSequence text, @Nullable Integer imageID) {
+        super(title, text, imageID);
+    }
+}