final version of chat feature

.idea/deploymentTargetDropDown.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="deploymentTargetDropDown">
+    <targetSelectedWithDropDown>
+      <Target>
+        <type value="QUICK_BOOT_TARGET" />
+        <deviceKey>
+          <Key>
+            <type value="VIRTUAL_DEVICE_PATH" />
+            <value value="C:\Users\wishwa\.android\avd\Pixel_2_API_25.avd" />
+          </Key>
+        </deviceKey>
+      </Target>
+    </targetSelectedWithDropDown>
+    <timeTargetWasSelectedWithDropDown value="2021-10-12T20:49:47.662287500Z" />
+  </component>
+</project>
\ No newline at end of file

app/src/main/java/com/project/skidn_disease_app/Adapters/ChatRvAdpater.java

+package com.project.skidn_disease_app.Adapters;
+
+import android.content.Context;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
+
+import com.project.skidn_disease_app.R;
+import com.project.skidn_disease_app.model.ChatModal;
+import com.project.skidn_disease_app.model.MsgModal;
+
+import java.util.ArrayList;
+
+public class ChatRvAdpater extends RecyclerView.Adapter {
+
+    private ArrayList<ChatModal> chatMsgModals;
+    private Context context;
+
+    public ChatRvAdpater(ArrayList<ChatModal> chatMsgModals, Context context) {
+        this.chatMsgModals = chatMsgModals;
+        this.context = context;
+    }
+
+    @NonNull
+    @Override
+    public RecyclerView.ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+        View view;
+        switch (viewType){
+            case 0:
+                view = LayoutInflater.from(parent.getContext()).inflate(R.layout.user_msg_rv_item,parent,false);
+                return  new UserViewHolder(view);
+
+            case 1:
+                view = LayoutInflater.from(parent.getContext()).inflate(R.layout.bot_msg_rv_item,parent,false);
+                return  new BotViewHolder(view);
+        }
+        return null;
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull RecyclerView.ViewHolder holder, int position) {
+        ChatModal chatModal = chatMsgModals.get(position);
+        switch (chatModal.getSender()){
+            case "user":
+                ((UserViewHolder)holder).userTv.setText(chatModal.getMessage());
+                break;
+            case "bot":
+                System.out.println(holder.getItemViewType());
+                BotViewHolder botViewHolder = ((BotViewHolder)holder);
+                botViewHolder.idTVBot.setText(chatModal.getMessage());
+                break;
+        }
+    }
+
+    @Override
+    public int getItemViewType(int position) {
+        switch (chatMsgModals.get(position).getSender()){
+            case "user":
+                return 0;
+            case "bot":
+                return 1;
+            default:
+                return -1;
+        }
+    }
+
+    @Override
+    public int getItemCount() {
+        return chatMsgModals.size();
+    }
+
+    public static  class UserViewHolder extends  RecyclerView.ViewHolder{
+        TextView userTv;
+
+        public UserViewHolder(@NonNull View itemView) {
+            super(itemView);
+            userTv = itemView.findViewById(R.id.idTvUser);
+        }
+    }
+
+    public static  class BotViewHolder extends  RecyclerView.ViewHolder{
+        TextView idTVBot;
+
+        public BotViewHolder(@NonNull View itemView) {
+            super(itemView);
+            idTVBot = itemView.findViewById(R.id.idTVBot);
+        }
+    }
+}

app/src/main/java/com/project/skidn_disease_app/model/MsgModal.java

+package com.project.skidn_disease_app.model;
+
+public class MsgModal {
+    private String msg;
+    private boolean success;
+
+    public MsgModal(String msg, boolean success) {
+        this.msg = msg;
+        this.success = success;
+    }
+
+    public String getMsg() {
+        return msg;
+    }
+
+    public void setMsg(String msg) {
+        this.msg = msg;
+    }
+
+    public boolean isSuccess() {
+        return success;
+    }
+
+    public void setSuccess(boolean success) {
+        this.success = success;
+    }
+}