Can purchase and return cars

app/src/main/AndroidManifest.xml

@@ -9,7 +9,8 @@
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/AppTheme">
-        <activity android:name=".orderDetails"></activity>
+        <activity android:name=".returnCar"></activity>
+        <activity android:name=".orderDetails" />
         <activity android:name=".carPurchase" />
         <activity android:name=".Carlist" />
         <activity android:name=".login" />

app/src/main/java/com/example/assignment/Carlist.java

@@ -18,4 +18,9 @@ public class Carlist extends AppCompatActivity {
         Intent orderScreen = new Intent(this,carPurchase.class);
         startActivity(orderScreen);
     }
+    public void carReturn(View v)
+    {
+        Intent I = new Intent(this, returnCar.class);
+        startActivity(I);
+    }
 }

app/src/main/java/com/example/assignment/carPurchase.java

@@ -6,15 +6,17 @@ import android.content.Intent;
 import android.os.Bundle;
 import android.view.View;
 import android.widget.EditText;
+import android.widget.TextView;
 import android.widget.Toast;
 
 public class carPurchase extends AppCompatActivity {
 
-    private boolean benz = false;
-    private boolean toyota = false;
-    private boolean honda = false;
-    private boolean jaguar = false;
-    private boolean audi = false;
+    public static boolean benz = false;
+    public static boolean toyota = false;
+    public static boolean honda = false;
+    public static boolean jaguar = false;
+    public static boolean audi = false;
+    private boolean valid = false;
     private String test = "not working";
     public static String choice = "";
 
@@ -24,48 +26,160 @@ public class carPurchase extends AppCompatActivity {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_car_purchase);
         Toast.makeText(getApplicationContext(), "working", Toast.LENGTH_LONG);
+        updateStatus();
+
+    }
+
+
+    public void updateStatus()
+    {
+        TextView Benz = (TextView)findViewById(R.id.benzStat);
+        TextView Toy = (TextView)findViewById(R.id.toyStat);
+        TextView Hon = (TextView)findViewById(R.id.honStat);
+        TextView Jag = (TextView)findViewById(R.id.jagStat);
+        TextView Audi = (TextView)findViewById(R.id.audiStat);
+
+        if(benz == false)
+        {
+            Benz.setText("Available");
         }
+        else if(benz == true)
+        {
+            Benz.setText("Unavailable");
+        }
+        if(toyota == false)
+        {
+            Toy.setText("Available");
+        }
+        else if(toyota == true)
+        {
+            Toy.setText("Unavailable");
+        }
+        if(honda == false)
+        {
+            Hon.setText("Available");
+        }
+        else if(honda == true)
+        {
+            Hon.setText("Unavailable");
+        }
+        if(jaguar == false)
+        {
+            Jag.setText("Available");
+        }
+        else if(jaguar == true)
+        {
+            Jag.setText("Unavailable");
+        }
+        if(audi == false)
+        {
+            Audi.setText("Available");
+        }
+        else if(audi == true)
+        {
+            Audi.setText("Unavailable");
+        }
+    }
+
 
     public void carSelect(View v)
     {
         EditText car = (EditText) findViewById(R.id.carChoice);
         String carName = car.getText().toString();
+        TextView Benz = (TextView)findViewById(R.id.benzStat);
+        TextView Toy = (TextView)findViewById(R.id.toyStat);
+        TextView Hon = (TextView)findViewById(R.id.honStat);
+        TextView Jag = (TextView)findViewById(R.id.jagStat);
+        TextView Audi = (TextView)findViewById(R.id.audiStat);
+
+
+
+
+
 
         if(carName.toLowerCase().equals("audi"))
         {
+            if (audi == false) {
                 audi = true;
                 test = "working";
+                valid = true;
                 choice = "audi";
+                Audi.setText("unavailable");
+
+            }
+            else if (audi == true)
+            {
+                valid = false;
+            }
 
 
         }
         else if(carName.toLowerCase().equals("toyota"))
         {
+            if(toyota == false) {
                 test = "working";
                 toyota = true;
+                valid = true;
                 choice = "toyota";
+                Toy.setText("unavailable");
+            }
+            else if (toyota == true)
+            {
+                valid = false;
+            }
         }
         else if (carName.toLowerCase().equals("honda"))
         {
+            if (honda == false) {
                 test = "working";
                 honda = true;
+                valid = true;
                 choice = "honda";
+                Hon.setText("unavailable");
+            }
+            else if (honda == true)
+            {
+                valid = false;
+            }
         }
         else if (carName.toLowerCase().equals("jaguar"))
         {
+            if(jaguar == false) {
+
                 test = "working";
                 jaguar = true;
+                valid = true;
                 choice = "jaguar";
+                Jag.setText("unavailable");
+            }
+            else if (jaguar == true)
+            {
+                valid = false;
+            }
         }
         else if (carName.toLowerCase().equals("benz"))
         {
+            if(benz == false) {
                 test = "working";
-            jaguar = true;
+                benz = true;
+                valid = true;
                 choice = "benz";
+                Benz.setText("Unavailable");
             }
+            else if (benz == true)
+            {
+                valid = false;
+            }
+        }
+        if (valid == true) {
             Toast.makeText(getApplicationContext(), test, Toast.LENGTH_LONG).show();
             Intent order = new Intent(this, orderDetails.class);
             startActivity(order);
+        }
+        else if (valid == false)
+        {
+            Toast.makeText(getApplicationContext(), "Please enter a valid car", Toast.LENGTH_LONG).show();
+        }
 
     }
 

app/src/main/java/com/example/assignment/orderDetails.java

@@ -2,6 +2,7 @@ package com.example.assignment;
 
 import androidx.appcompat.app.AppCompatActivity;
 
+import android.content.Intent;
 import android.os.Bundle;
 import android.view.View;
 import android.widget.EditText;
@@ -129,6 +130,8 @@ if (!“”.equals(temp)){
 
 
         Toast.makeText(getApplicationContext(), "Cost" + cost, Toast.LENGTH_LONG).show();
+        Intent list = new Intent(this, Carlist.class);
+        startActivity(list);
 
     }
 

app/src/main/java/com/example/assignment/returnCar.java

+package com.example.assignment;
+
+import androidx.appcompat.app.AppCompatActivity;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.view.View;
+import android.widget.EditText;
+import android.widget.Toast;
+
+public class returnCar extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_return_car);
+
+        if(carPurchase.audi == false && carPurchase.benz == false && carPurchase.honda == false && carPurchase.jaguar == false && carPurchase.toyota == false)
+        {
+            Toast.makeText(getApplicationContext(), "There are no cars to be returned at this point.", Toast.LENGTH_LONG).show();
+        }
+    }
+    public void successReturn()
+    {
+        Toast.makeText(getApplicationContext(), "Thank you for returning the car. Sending you back to the car list", Toast.LENGTH_LONG).show();
+        Intent list = new Intent(this, Carlist.class);
+        startActivity(list);
+    }
+
+    public void retCar(View v)
+    {
+
+        EditText car = (EditText)findViewById(R.id.carName);
+        String returnCar = car.getText().toString();
+
+        //(carName.toLowerCase().equals("benz")
+        if (returnCar.toLowerCase().equals("benz"))
+        {
+            if(carPurchase.benz == false)
+            {
+                Toast.makeText(getApplicationContext(), "This car is currently not in use", Toast.LENGTH_LONG).show();
+            }
+            else if(carPurchase.benz == true)
+            {
+                carPurchase.benz = false;
+                successReturn();
+            }
+        }
+        else if(returnCar.toLowerCase().equals("audi"))
+        {
+            if(carPurchase.audi == false)
+            {
+                Toast.makeText(getApplicationContext(), "This car is currently not in use", Toast.LENGTH_LONG).show();
+            }
+            else if(carPurchase.audi == true)
+            {
+                carPurchase.audi = false;
+                successReturn();
+            }
+        }
+        else if(returnCar.toLowerCase().equals("honda"))
+        {
+            if(carPurchase.honda == false)
+            {
+                Toast.makeText(getApplicationContext(), "This car is currently not in use", Toast.LENGTH_LONG).show();
+            }
+            else if(carPurchase.honda == true)
+            {
+                carPurchase.honda = false;
+                successReturn();
+            }
+        }
+        else if(returnCar.toLowerCase().equals("jaguar"))
+        {
+            if(carPurchase.jaguar == false)
+            {
+                Toast.makeText(getApplicationContext(), "This car is currently not in use", Toast.LENGTH_LONG).show();
+            }
+            else if(carPurchase.jaguar == true)
+            {
+                carPurchase.jaguar = false;
+                successReturn();
+            }
+        }
+        else if(returnCar.toLowerCase().equals("toyota"))
+        {
+            if(carPurchase.toyota == false)
+            {
+                Toast.makeText(getApplicationContext(), "This car is currently not in use", Toast.LENGTH_LONG).show();
+            }
+            else if(carPurchase.toyota == true)
+            {
+                carPurchase.toyota = false;
+                successReturn();
+            }
+        }
+        else
+        {
+            Toast.makeText(getApplicationContext(),"This is not a valid car", Toast.LENGTH_LONG).show();
+        }
+
+
+    }
+}

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

@@ -309,4 +309,16 @@ air conditioning, ABS brakes, 2 people "
         android:text="Purchase!"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toBottomOf="@+id/textView17" />
+
+    <Button
+        android:id="@+id/returnCar"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="150dp"
+        android:layout_marginLeft="150dp"
+        android:layout_marginTop="10dp"
+        android:onClick="carReturn"
+        android:text="Return Car"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/button" />
 </androidx.constraintlayout.widget.ConstraintLayout>
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app/src/main/res/layout/activity_return_car.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=".returnCar">
+
+    <TextView
+        android:id="@+id/textView38"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="110dp"
+        android:layout_marginLeft="110dp"
+        android:layout_marginTop="30dp"
+        android:text="Return Car"
+        android:textColor="#000"
+        android:textSize="40sp"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <TextView
+        android:id="@+id/textView39"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="175dp"
+        android:layout_marginLeft="175dp"
+        android:layout_marginTop="80dp"
+        android:text="Car Name:"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/textView38" />
+
+    <EditText
+        android:id="@+id/carName"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="100dp"
+        android:layout_marginLeft="100dp"
+        android:layout_marginTop="60dp"
+        android:ems="10"
+        android:inputType="textPersonName"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/textView39" />
+
+    <Button
+        android:id="@+id/submit"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="160dp"
+        android:layout_marginLeft="160dp"
+        android:layout_marginTop="145dp"
+        android:onClick="retCar"
+        android:text="Submit"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/carName" />
+</androidx.constraintlayout.widget.ConstraintLayout>
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