Implement spinners in spare parts main interface

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

@@ -5,7 +5,9 @@ import androidx.appcompat.app.AppCompatActivity;
 import android.content.Intent;
 import android.os.Bundle;
 import android.view.View;
+import android.widget.ArrayAdapter;
 import android.widget.Button;
+import android.widget.Spinner;
 
 import com.sliit.smartserviceassistant.MainActivity;
 import com.sliit.smartserviceassistant.R;
@@ -13,12 +15,51 @@ import com.sliit.smartserviceassistant.R;
 public class SparePartsMainActivity extends AppCompatActivity {
 
     private Button btn_search;
+    private Spinner spin_vehicle_model;
+    private Spinner spin_vehicle_type;
+    private Spinner spin_part_type;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_spare_parts_main);
 
+        // Select vehicle model Spinner
+        spin_vehicle_model = findViewById(R.id.spin_vehicle_model);
+        String[] arraySpinner_model = new String[] {
+                "Toyota", "Nissan", "KIA", "Suzuki", "Hyundai"
+        };
+        Spinner s = (Spinner) findViewById(R.id.spin_vehicle_model);
+        ArrayAdapter<String> adapter_model = new ArrayAdapter<String>(this,
+                android.R.layout.simple_spinner_item, arraySpinner_model);
+        adapter_model.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
+        s.setAdapter(adapter_model);
+
+        // Select vehicle type Spinner
+        spin_vehicle_type = findViewById(R.id.spin_vehicle_type);
+        String[] arraySpinner_type = new String[] {
+                "Corolla", "Corolla Hybrid", "Corolla Hatchback", "Prius", "Prius Prime",
+                "Camry", "Camry Hybrid", "Avalon", "Avalon Hybrid", "Mirai", "86",
+                "GR Supra", "RAV4 Hybrid", "RAV4 Prime", "Highlander Hybrid", "Venza",
+                "Sienna", "RAV4", "Highlander", "R4 Runner", "Sequoia", "Land Cruiser", "C-HR"
+        };
+        Spinner s2 = (Spinner) findViewById(R.id.spin_vehicle_type);
+        ArrayAdapter<String> adapter_type = new ArrayAdapter<String>(this,
+                android.R.layout.simple_spinner_item, arraySpinner_type);
+        adapter_type.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
+        s2.setAdapter(adapter_type);
+
+        // Select vehicle spare part type Spinner
+        spin_part_type = findViewById(R.id.spin_spare_part);
+        String[] arraySpinner_part_type = new String[] {
+                "Headlights", "Wind Screen", "Wipers", "Side Mirrors", "Signal Lights"
+        };
+        Spinner s3 = (Spinner) findViewById(R.id.spin_spare_part);
+        ArrayAdapter<String> adapter_part_type = new ArrayAdapter<String>(this,
+                android.R.layout.simple_spinner_item, arraySpinner_part_type);
+        adapter_part_type.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
+        s3.setAdapter(adapter_part_type);
+
         // Search button
         btn_search = findViewById(R.id.btn_search);
         btn_search.setOnClickListener(new View.OnClickListener() {

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

@@ -33,7 +33,7 @@
             <!-- Vehicle model input -->
             <TextView
                 android:id="@+id/txt_vehicle_model"
-                android:layout_marginTop="100dp"
+                android:layout_marginTop="60dp"
                 android:layout_below="@+id/txt_topic"
                 android:text="Vehicle model:"
                 android:textSize="20dp"
@@ -43,7 +43,7 @@
 
             <Spinner
                 android:id="@+id/spin_vehicle_model"
-                android:layout_marginTop="100dp"
+                android:layout_marginTop="60dp"
                 android:layout_below="@id/txt_topic"
                 android:layout_alignParentRight="true"
                 android:layout_width="200dp"
@@ -95,7 +95,7 @@
                 android:id="@+id/btn_search"
                 android:text="SEARCH"
                 android:textSize="20dp"
-                android:layout_marginTop="150dp"
+                android:layout_marginTop="80dp"
                 android:layout_below="@id/txt_spare_part"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content">