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package com.example.helloandroid;

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

public class HelloAndroid1 extends Activity {
/** Called when the activity is first created. */
private EditText text1;
private EditText text2;
private EditText text3;


@Override

public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
text1 = (EditText) findViewById(R.id.txt1);
text2 = (EditText) findViewById(R.id.txt2);
text3 = (EditText) findViewById(R.id.txt3);
}

public void myClickHandler(View view) {
switch (view.getId()) {
case R.id.btn1:
Button btn1=(Button)findViewById(R.id.btn1);

int inputValue7 = Integer.parseInt(text1.getText().toString());
int inputValue8 = Integer.parseInt(text2.getText().toString());
if (btn1.isClickable()) {
text3.setText(String
.valueOf(division(inputValue7,inputValue8)));
break;
}

case R.id.bnt2:
Button btn2=(Button)findViewById(R.id.bnt2);

int inputValue1 = Integer.parseInt(text1.getText().toString());
int inputValue2 = Integer.parseInt(text2.getText().toString());
if (btn2.isClickable()) {
text3.setText(String
.valueOf(addition(inputValue1,inputValue2)));
break;
}

case R.id.btn3:
Button btn3=(Button)findViewById(R.id.btn3);
int inputValue3 = Integer.parseInt(text1.getText().toString());
int inputValue4 = Integer.parseInt(text2.getText().toString());

if (btn3.isClickable()) {
text3.setText(String
.valueOf(substraction(inputValue3,inputValue4)));
}
break;

case R.id.btn4:
Button btn4=(Button)findViewById(R.id.btn4);
int inputValue5 = Integer.parseInt(text1.getText().toString());
int inputValue6 = Integer.parseInt(text2.getText().toString());

if (btn4.isClickable()) {
text3.setText(String
.valueOf(multiply(inputValue5,inputValue6)));
}

break;

}
}




private int addition(int l,int m)
{
return(l+m);
}

private int multiply(int l,int m)
{
return(l*m);
}
private int division(int l,int m)
{
return(l/m);
}

private int substraction(int l,int m)
{
return(l-m);
}

}