Create Predictor class to predict model

.idea/misc.xml

 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
+  <component name="DesignSurface">
+    <option name="filePathToZoomLevelMap">
+      <map>
+        <entry key="..\:/2021-194/app/src/main/res/layout/activity_display_price.xml" value="0.20416666666666666" />
+        <entry key="..\:/2021-194/app/src/main/res/layout/activity_spare_parts_main.xml" value="0.11510416666666666" />
+      </map>
+    </option>
+  </component>
   <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" project-jdk-name="11" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>

app/src/main/java/com/sliit/smartserviceassistant/spareparts/DisplayPriceActivity.java

@@ -44,6 +44,13 @@ public class DisplayPriceActivity extends AppCompatActivity {
         part = getIntent().getStringExtra("key_part");
         year = getIntent().getStringExtra("key_year");
 
+        Intent intent = new Intent(DisplayPriceActivity.this, Predictor.class);
+        intent.putExtra("key_model", model);
+        intent.putExtra("key_type", type);
+        intent.putExtra("key_part", part);
+        intent.putExtra("key_year", year);
+        startActivity(intent);
+
         // Youtube videos button
         btn_videos = findViewById(R.id.btn_launch_videos);
         btn_videos.setOnClickListener(new View.OnClickListener() {

app/src/main/java/com/sliit/smartserviceassistant/spareparts/JsonPlcaHolderActivity.java → app/src/main/java/com/sliit/smartserviceassistant/spareparts/JsonPlaceHolderApi.java

@@ -5,7 +5,7 @@ import java.util.List;
 import retrofit2.Call;
 import retrofit2.http.GET;
 
-public interface JsonPlcaHolderActivity {
+public interface JsonPlaceHolderApi {
 
     @GET("posts")
     Call<List<Post>> getPosts();

app/src/main/java/com/sliit/smartserviceassistant/spareparts/Predictor.java

+package com.sliit.smartserviceassistant.spareparts;
+
+import android.widget.TextView;
+
+import android.content.Intent;
+import java.util.List;
+
+import retrofit2.Call;
+import retrofit2.Callback;
+import retrofit2.Response;
+import retrofit2.Retrofit;
+import retrofit2.converter.gson.GsonConverterFactory;
+
+public class Predictor {
+    private TextView avgPrice;
+    private String model, type, year;
+
+    TextView predictPrice() {
+        // Predict price for the requested part
+        Retrofit retrofit = new Retrofit.Builder()
+                .baseUrl("http://127.0.0.1:8000/")
+                .addConverterFactory(GsonConverterFactory.create())
+                .build();
+
+        JsonPlaceHolderApi jsonPlaceHolderApi = retrofit.create(JsonPlaceHolderApi.class);
+
+        Call<List<Post>> call = jsonPlaceHolderApi.getPosts();
+
+        call.enqueue(new Callback<List<Post>>() {
+            @Override
+            public void onResponse(Call<List<Post>> call, Response<List<Post>> response) {
+                if (!response.isSuccessful()) {
+                    avgPrice.setText("Rs. " + response.code());
+                    return;
+                }
+
+                List<Post> posts = response.body();
+
+                for (Post post : posts) {
+                    String content = "";
+                    content += post.getPrice();
+
+                    avgPrice.append(content);
+                }
+            }
+
+            @Override
+            public void onFailure(Call<List<Post>> call, Throwable t) {
+                avgPrice.setText(t.getMessage());
+            }
+        });
+
+        return avgPrice;
+    }
+
+    void predictPrices() {
+
+        SparePartsMainActivity activitySparePartsMain = new SparePartsMainActivity();
+
+        // Get vehicle details from the main activity interface
+//        model = getIntent().getStringExtra("key_model");
+//        type = getIntent().getStringExtra("key_type");
+//        year = getIntent().getStringExtra("key_year");
+    }
+
+}