[Android] Add Context Menu to RecyclerView with click method by interface (Control from YourActivity.java)

activity_your.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    tools:context=".YourActivity">

    <android.support.v7.widget.RecyclerView
        android:id="@+id/rv_your_activity_myRecylerView"
        android:layout_width="match_parent"
        android:layout_height="wrap_content">
    </android.support.v7.widget.RecyclerView>

</LinearLayout>

arrays.xml

<?xml version="1.0" encoding="utf-8"?>
<resources>
    <array name="context_menu_array">
        <item>Edit</item>
        <item>Delete</item>
    </array>
</resources>

CustomRecyclerAdapter.java

//import package, classes etc;

public class CustomRecyclerAdapter extends RecyclerView.Adapter<CustomRecyclerAdapter.ViewHolder> {

    private Context context;
    private List<ModelClass> allData = new ArrayList<ModelClass>();

    private OnItemClickListener onItemClickListener;
    private OnCreateContextMenu onCreateContextMenu;
    private OnContextMenuItemClickListener onContextMenuItemClickListener;

    CustomRecyclerAdapter(Context context, List<ModelClass> allData) {
        this.context = context;
        this.allData = allData;
    }


    @NonNull
    @Override
    public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
        View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.row_item, parent, false);
        return new ViewHolder(view);
    }

    @Override
    public void onBindViewHolder(@NonNull ViewHolder holder, int position) {
        holder.nameTv.setText(allData.get(position).getName());
        holder.phoneTv.setText(allData.get(position).getPhone());
    }

    @Override
    public int getItemCount() {
        return allData.size();
    }

    public class ViewHolder extends RecyclerView.ViewHolder implements View.OnClickListener, View.OnCreateContextMenuListener {
        TextView nameTv, phoneTv;

        ViewHolder(View itemView) {
            super(itemView);
            nameTv = itemView.findViewById(R.id.tv_row_item_name);
            phoneTv = itemView.findViewById(R.id.tv_row_item_phone);


            itemView.setOnClickListener(this);  //register on item click listener
            itemView.setOnCreateContextMenuListener(this);  //register context menu listener for RecyclerView
        }

        @Override
        public void onClick(View v) {
            // for on item click listener
            if (onItemClickListener != null) {
                onItemClickListener.onItemClick(itemView, getAdapterPosition());
            }
        }

        @Override
        public void onCreateContextMenu(ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuInfo) {
            //for create context menu
            if (onCreateContextMenu != null) {
                onCreateContextMenu.onCreateContextMenu(menu, v, menuInfo, getAdapterPosition(), onMenuItemClickListener);
            }

        }

        //context menu item click listener
        private MenuItem.OnMenuItemClickListener onMenuItemClickListener = new MenuItem.OnMenuItemClickListener() {
            @Override
            public boolean onMenuItemClick(MenuItem item) {

                if (onContextMenuItemClickListener != null) {
                    onContextMenuItemClickListener.onContextMenuItemClick(item, getAdapterPosition());
                }
                return true;
            }
        };
    }

    /*
     ===========================><============================
     * Custom interface for handle event from other class file
     ===========================><============================
     */

    //Interface for onItemClickListener;
    interface OnItemClickListener {
        void onItemClick(View view, int position);
    }

    public void setOnItemClickListener(OnItemClickListener onItemClickListener) {
        this.onItemClickListener = onItemClickListener;
    }

    //Interface for onCreateContextMenu
    interface OnCreateContextMenu {
        void onCreateContextMenu(ContextMenu menu, View view, ContextMenu.ContextMenuInfo menuInfo, int position, MenuItem.OnMenuItemClickListener menuItemClickListener);
    }

    public void setOnCreateContextMenu(OnCreateContextMenu onCreateContextMenu) {
        this.onCreateContextMenu = onCreateContextMenu;
    }

    //Interface for onContextMenuItemClickListener
    interface OnContextMenuItemClickListener {
        void onContextMenuItemClick(MenuItem menuItem, int position);
    }

    public void setOnContextMenuItemClickListener(OnContextMenuItemClickListener onContextMenuItemClickListener) {
        this.onContextMenuItemClickListener = onContextMenuItemClickListener;
    }
}

ModelClass.java

public class ModelClass {
    private String name, phone;

    public ModelClass() {

    }

    public ModelClass(String name, String phone) {
        this.name = name;
        this.phone = phone;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getPhone() {
        return phone;
    }

    public void setPhone(String phone) {
        this.phone = phone;
    }
}

row_item.xml

<?xml version="1.0" encoding="utf-8"?>
<android.support.v7.widget.CardView xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    app:cardElevation="3dp"
    app:cardUseCompatPadding="true"
    app:contentPadding="8dp"
    android:clickable="true"
    android:focusable="true"
    android:foreground="?android:attr/selectableItemBackground"
    app:cardCornerRadius="8dp">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:padding="8dp"
        android:orientation="vertical">
        <TextView
            android:id="@+id/tv_row_item_name"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="@string/row_sample_name"
            android:textSize="24sp"
            android:textColor="@android:color/black"/>
        <TextView
            android:id="@+id/tv_row_item_phone"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="@string/row_sample_number"
            android:textSize="24sp"
            android:textColor="@android:color/black"/>
    </LinearLayout>
</android.support.v7.widget.CardView>

YourActivity.java

public class YourActivity extends AppCompatActivity {

    private RecyclerView recyclerView;
    private List<ModelClass> allData = new ArrayList<ModelClass>();
    private CustomRecyclerAdapter recyclerAdapter;
    private String[] contextMenuArray;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_your);

        recyclerView = (RecyclerView) findViewById(R.id.rv_your_activity_myRecylerView);
        recyclerView.setLayoutManager(new LinearLayoutManager(getApplicationContext()));

        allData.add(new ModelClass("Shibbir Ahmed", "0123456789"));
        allData.add(new ModelClass("Rizwan", "9876543210"));

        recyclerAdapter = new CustomRecyclerAdapter(this, allData);
        recyclerView.setAdapter(recyclerAdapter);

        contextMenuArray = getResources().getStringArray(R.array.context_menu_array); // init array from arrays.xml




        //item click listener
        recyclerAdapter.setOnItemClickListener(new CustomRecyclerAdapter.OnItemClickListener() {
            @Override
            public void onItemClick(View view, int position) {
                // Write your item click event here
                Toast.makeText(YourActivity.this, "Clicked on "+allData.get(position).getName(), Toast.LENGTH_SHORT).show();
            }
        });

        //on create context menu
        recyclerAdapter.setOnCreateContextMenu(new CustomRecyclerAdapter.OnCreateContextMenu() {
            @Override
            public void onCreateContextMenu(ContextMenu menu, View view, ContextMenu.ContextMenuInfo menuInfo, int position, MenuItem.OnMenuItemClickListener menuItemClickListener) {
                // Create your context menu here

                menu.setHeaderTitle(allData.get(position).getName()); // context menu header

                for (int i = 0; i < contextMenuArray.length; i++) {
                    menu.add(Menu.NONE, i, i, contextMenuArray[i]).setOnMenuItemClickListener(menuItemClickListener); // created menu with click listener
                }
            }
        });

        //on context menu item click listener
        recyclerAdapter.setOnContextMenuItemClickListener(new CustomRecyclerAdapter.OnContextMenuItemClickListener() {
            @Override
            public void onContextMenuItemClick(MenuItem menuItem, int position) {
                int menuItemId = menuItem.getItemId();
                String menuItemName = contextMenuArray[menuItemId];

                switch (menuItemName) {
                    case "Edit":
                        //write your edit click event
                        Toast.makeText(YourActivity.this, "Edit: "+allData.get(position).getName(), Toast.LENGTH_SHORT).show();
                        break;
                    case "Delete":
                        //write your delete click event
                        Toast.makeText(YourActivity.this, "Delete: "+ allData.get(position).getName(), Toast.LENGTH_SHORT).show();
                        break;
                }
            }
        });

    }
}