Add new file

MainActivity.java

+package com.example.carrentals;
+
+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 MainActivity extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+    }
+    public void addNewUserFun (View view) {
+        myDBConnector dbHandler = new myDBConnector(this, null, null, 1);
+
+        EditText name = (EditText) findViewById(R.id.nameTxt);
+        EditText userName = (EditText) findViewById(R.id.userNameTxt);
+        EditText password = (EditText) findViewById(R.id.passwordTxt);
+
+        dbHandler.addNewUser(name.getText().toString(),
+                userName.getText().toString(),
+                password.getText().toString() );
+
+        Toast.makeText(getApplicationContext(),
+                "Successfully registered with the following details\n"+
+                        dbHandler.findUser(userName.getText().toString()),
+                Toast.LENGTH_LONG).show();
+
+
+    }
+public void loginPageFun (View v){
+    Intent intent=new Intent(this,Login.class);
+    startActivity(intent);
+}
+}