2018-12-21_Square-a-number

package com.mukeshdak.squarenumber;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.EditText;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity {


    public void showSquare(View view){
        Log.i("info", "Square Ready");
        EditText et = (EditText) findViewById(R.id.editText1);
        String x = et.getText().toString();

        double xd = Double.parseDouble(x);
        double sq = xd * xd;
        String sq_str = String.format("%.2f", sq);

        Toast.makeText(this, "Square of " + x + "is " +sq_str, Toast.LENGTH_SHORT).show();


    }

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
    }
}