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package com.example.test5;

import android.app.Activity;

import android.content.DialogInterface;

import android.content.DialogInterface.OnClickListener;

import android.os.Bundle;

import android.view.View;

import android.widget.Button;

import android.widget.EditText;

import android.widget.RadioButton;

import android.widget.TextView;

import android.widget.Toast;

public class Test5Activity extends Activity {

/** Called when the activity is first created. */

Button btnCalcKj=null;

Button btnCalcKcal=null;

EditText edTxtNumKcal=null;

EditText edTxtNumKj=null;

TextView tvCompKj=null;

TextView tvCompKcal=null;

@Override

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.main);

btnCalcKj=(Button)findViewById(R.id.btnCalcKj);

btnCalcKcal=(Button)findViewById(R.id.btnCalcKcal);

edTxtNumKcal=(EditText)findViewById(R.id.edTxtNumKcal);

edTxtNumKj=(EditText)findViewById(R.id.edTxtNumKj);

tvCompKcal=(TextView)findViewById(R.CompKcal);

tvCompKj=(TextView)findViewById(R.CompKj);

tvCompKcal.setText("");

tvCompKj.setText("");

btnCalcKcal.setOnClickListener(new View.OnClickListener() {

public void onClick(View v) {

try{

// Perform action on click

double numKcal=calcNumKcal(Double.parseDouble(""+edTxtNumKj.getText()) );

tvCompKcal.setText(""+numKcal);

tvCompKj.setText("");

edTxtNumKcal.setText("");

edTxtNumKj.setText("");

}

catch(Exception e){

}

}

});

btnCalcKj.setOnClickListener(new View.OnClickListener() {

public void onClick(View v) {

// Perform action on click

try{

double numKj=calcNumKj(Double.parseDouble(""+edTxtNumKcal.getText()) );

tvCompKj.setText(""+numKj);

tvCompKcal.setText("");

edTxtNumKj.setText("");

edTxtNumKcal.setText("");}

catch(Exception e){

}

}

});

}

private double calcNumKj(double Kcal){

return Kcal*4.12;

}

private double calcNumKcal(double Kj){

return Kj/4.12;

}

}

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