mainactivity.java

package com.example.unitconverter;

import androidx.appcompat.app.AppCompatActivity;

import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity {
private Button button;
private TextView textView;
private EditText edittext;


 @Override
 protected void onCreate(Bundle savedInstanceState) {
 super.onCreate(savedInstanceState);
 setContentView(R.layout.activity_main);
 button=findViewById(R.id.button);
 textView=findViewById(R.id.textView);
 edittext=findViewById(R.id.edittext);
 button.setOnClickListener(new View.OnClickListener() {
 @Override
 public void onClick(View view) {
 Toast.makeText(MainActivity.this, "Hello you have submitted your query", Toast.LENGTH_SHORT).show();
 String s= edittext.getText().toString();
 int kg= Integer.parseInt(s);
 double pound= 2.205*kg;
 textView.setText("The corresponding value of KG to pound is" + pound);
} });


 }
}