Chat Bot Stage 1 Complete

.idea/.gitignore

-# Default ignored files
-/shelf/
-/workspace.xml

.idea/vcs.xml

 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="GitSharedSettings">
-    <option name="FORCE_PUSH_PROHIBITED_PATTERNS">
-      <list />
-    </option>
-  </component>
   <component name="VcsDirectoryMappings">
-    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+    <mapping directory="" vcs="Git" />
   </component>
 </project>
\ No newline at end of file

app/build.gradle

 plugins {
     id 'com.android.application'
     id 'com.chaquo.python'
+    id 'kotlin-android'
+    id 'kotlin-android-extensions'
 }
 
 apply plugin: 'com.android.application'
 apply plugin: 'com.chaquo.python'
+apply plugin: 'kotlin-android'
+apply plugin: 'kotlin-android-extensions'
+
 
 android {
     compileSdkVersion 30
@@ -60,6 +65,7 @@ dependencies {
     implementation 'androidx.navigation:navigation-ui:2.3.5'
     implementation 'androidx.lifecycle:lifecycle-livedata-ktx:2.3.1'
     implementation 'androidx.lifecycle:lifecycle-viewmodel-ktx:2.3.1'
+    implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
     testImplementation 'junit:junit:4.13.2'
     androidTestImplementation 'androidx.test.ext:junit:1.1.2'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'

app/src/main/AndroidManifest.xml

 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="com.example.archemistrylab">
-<uses-permission android:name="android.permission.INTERNET"/>
+
+    <uses-permission android:name="android.permission.INTERNET" />
+
     <application
         android:allowBackup="true"
         android:icon="@mipmap/ic_launcher"
@@ -9,6 +11,8 @@
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/Theme.ARChemistryLab">
+        <activity android:name=".ChatbotMain"></activity>
+        <activity android:name="chatbot.MainActivity" />
         <activity
             android:name=".MainActivity"
             android:label="@string/app_name"

app/src/main/java/chatbot/APIService.kt

+package chatbot
+
+import retrofit2.Call
+import retrofit2.http.Field
+import retrofit2.http.FormUrlEncoded
+import retrofit2.http.POST
+
+interface APIService {
+    @FormUrlEncoded
+    @POST("chat")
+    fun chatWithTheBit(@Field("chatInput") chatText : String ): Call<ChatResponse>
+}
+
+data class ChatResponse(val chatBotReply: String)
\ No newline at end of file

app/src/main/java/chatbot/AdapterChatBot.kt

+package chatbot
+
+import android.graphics.Color
+import android.view.LayoutInflater
+import android.view.ViewGroup
+import androidx.recyclerview.widget.RecyclerView
+import com.example.archemistrylab.R
+import kotlinx.android.synthetic.main.listitem_chat.view.*
+
+class AdapterChatBot : RecyclerView.Adapter<AdapterChatBot.MyViewHolder>() {
+    private val list = ArrayList<ChatModel>()
+
+    inner class MyViewHolder(parent: ViewGroup) : RecyclerView.ViewHolder(
+        LayoutInflater.from(parent.context).inflate(R.layout.listitem_chat, parent, false)
+    ) {
+        fun bind(chat: ChatModel) = with(itemView) {
+            if(!chat.isBot) {
+                txtChat.setBackgroundColor(Color.WHITE)
+                txtChat.setTextColor(Color.BLACK)
+                txtChat.text = chat.chat
+            }else{
+                txtChat.setBackgroundColor(Color.CYAN)
+                txtChat.setTextColor(Color.BLACK)
+                txtChat.text = chat.chat
+            }
+        }
+    }
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int) = MyViewHolder(parent)
+
+    override fun onBindViewHolder(holder: MyViewHolder, position: Int) {
+        holder.bind(list[position])
+    }
+
+    override fun getItemCount() = list.size
+
+    fun addChatToList(chat: ChatModel) {
+        list.add(chat)
+        notifyDataSetChanged()
+    }
+
+}
\ No newline at end of file

app/src/main/java/chatbot/ChatModel.kt

+package chatbot
+
+data class ChatModel(val chat: String, val isBot: Boolean = false) {
+}
\ No newline at end of file

app/src/main/java/chatbot/MainActivity.kt

+package chatbot
+
+import android.os.Bundle
+import android.widget.Toast
+import androidx.appcompat.app.AppCompatActivity
+import androidx.recyclerview.widget.LinearLayoutManager
+import com.example.archemistrylab.R
+import kotlinx.android.synthetic.main.activity_chatbot_main.*
+import retrofit2.Call
+import retrofit2.Callback
+import retrofit2.Response
+import retrofit2.Retrofit
+import retrofit2.converter.gson.GsonConverterFactory
+
+
+class MainActivity : AppCompatActivity() {
+    private val adapterChatBot = AdapterChatBot()
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_chatbot_main)
+
+        val retrofit = Retrofit.Builder()
+            .baseUrl("http://192.168.1.100:5000")
+            .addConverterFactory(GsonConverterFactory.create())
+            .build()
+
+        val apiService = retrofit.create(APIService::class.java)
+
+        rvChatList.layoutManager = LinearLayoutManager(this)
+        rvChatList.adapter = adapterChatBot
+
+        btnSend.setOnClickListener {
+            if(etChat.text.isNullOrEmpty()){
+                Toast.makeText(this@MainActivity, "Please enter a text", Toast.LENGTH_LONG).show()
+                return@setOnClickListener
+            }
+
+            adapterChatBot.addChatToList(ChatModel(etChat.text.toString()))
+
+            apiService.chatWithTheBit(etChat.text.toString()).enqueue(callBack)
+            etChat.text.clear()
+
+        }
+    }
+
+    private val callBack = object  : Callback<ChatResponse>{
+        override fun onResponse(call: Call<ChatResponse>, response: Response<ChatResponse>) {
+            if(response.isSuccessful &&  response.body()!= null){
+                adapterChatBot.addChatToList(ChatModel(response.body()!!.chatBotReply, true))
+            }else{
+                Toast.makeText(this@MainActivity, "NO!", Toast.LENGTH_LONG).show()
+            }
+        }
+
+        override fun onFailure(call: Call<ChatResponse>, t: Throwable) {
+            Toast.makeText(this@MainActivity, "Something went wrong", Toast.LENGTH_LONG).show()
+        }
+
+    }
+}
\ No newline at end of file

app/src/main/java/com/example/archemistrylab/ChatbotMain.java

+package com.example.archemistrylab;
+
+import androidx.appcompat.app.AppCompatActivity;
+
+import android.os.Bundle;
+
+public class ChatbotMain extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_chatbot_main);
+    }
+}
\ No newline at end of file

app/src/main/java/com/example/archemistrylab/MainActivity.java

 package com.example.archemistrylab;
 
+import android.content.Intent;
 import android.os.Bundle;
 import android.view.View;
 import android.view.Menu;
@@ -34,8 +35,7 @@ public class MainActivity extends AppCompatActivity {
        fab.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View view) {
-                Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG)
-                        .setAction("Action", null).show();
+                startActivity(new Intent(MainActivity.this, chatbot.MainActivity.class));
             }
         });
         DrawerLayout drawer = findViewById(R.id.drawer_layout);

app/src/main/res/layout/activity_chatbot_main.xml

+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout 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"
+    tools:context="chatbot.MainActivity">
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/rvChatList"
+        android:layout_width="0dp"
+        android:layout_height="0dp"
+        app:layout_constraintBottom_toTopOf="@+id/etChat"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <EditText
+        android:id="@+id/etChat"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="16dp"
+        android:layout_marginLeft="16dp"
+        android:layout_marginEnd="8dp"
+        android:layout_marginRight="8dp"
+        android:ems="10"
+        android:hint="Chat with bot"
+        android:inputType="textPersonName"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toStartOf="@+id/btnSend"
+        app:layout_constraintStart_toStartOf="parent" />
+
+    <Button
+        android:id="@+id/btnSend"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginEnd="16dp"
+        android:layout_marginRight="16dp"
+        android:text="Send"
+        app:layout_constraintBottom_toBottomOf="@+id/etChat"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toTopOf="@+id/etChat" />
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file

app/src/main/res/layout/content_main.xml

@@ -30,39 +30,6 @@
         app:layout_constraintRight_toRightOf="parent"
         app:layout_constraintTop_toTopOf="parent"
         app:navGraph="@navigation/mobile_navigation" />
-    <androidx.recyclerview.widget.RecyclerView
-        android:id="@+id/rvChatList"
-        android:layout_width="0dp"
-        android:layout_height="0dp"
-        app:layout_constraintBottom_toTopOf="@+id/etChat"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
 
-    <EditText
-        android:id="@+id/etChat"
-        android:layout_width="0dp"
-        android:layout_height="wrap_content"
-        android:layout_marginStart="16dp"
-        android:layout_marginLeft="16dp"
-        android:layout_marginEnd="8dp"
-        android:layout_marginRight="8dp"
-        android:ems="10"
-        android:hint="Chat with bot"
-        android:inputType="textPersonName"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintEnd_toStartOf="@+id/btnSend"
-        app:layout_constraintStart_toStartOf="parent" />
-
-    <Button
-        android:id="@+id/btnSend"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_marginEnd="16dp"
-        android:layout_marginRight="16dp"
-        android:text="Send"
-        app:layout_constraintBottom_toBottomOf="@+id/etChat"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintTop_toTopOf="@+id/etChat" />
 
 </androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file

app/src/main/res/layout/listitem_chat.xml

+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout
+    xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent"
+    android:orientation="vertical"
+    android:layout_height="wrap_content">
+
+    <TextView
+        android:padding="8dp"
+        android:id="@+id/txtChat"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:textSize="18sp"
+        android:text="" />
+</LinearLayout>
\ No newline at end of file

build.gradle

 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 buildscript {
+    ext {
+        kotlin_version = '1.3.72'
+    }
     repositories {
         google()
         jcenter()
@@ -8,6 +11,7 @@ buildscript {
     dependencies {
         classpath "com.android.tools.build:gradle:4.1.3"
         classpath "com.chaquo.python:gradle:9.1.0"
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files