Sum and Product of Two Numbers in Android Version 2

This is the second version of my work in Android I called this program Sum and Product of two numbers. There are some improvements on the code particularly in the output edittext it no only allows the user to put any value on it and others improvement that makes our application more stable and accurate.

Add me at Facebook my address  is jakerpomperada@gmail.com and jakerpomperada@yahoo.com.

My mobile number here in the Philippines is 09173084360.

Sample Program Output

Program Listing

MainActivity.java

package com.example.servo.add;

import android.view.View;
import android.widget.EditText;
import android.support.v7.app.ActionBarActivity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.content.Context;
import android.content.DialogInterface.OnClickListener;



public class MainActivity extends ActionBarActivity {

    final Context context = this;

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

    public void sum_and_product(View view) {

        EditText editText2 = (EditText) findViewById(R.id.editText2);
        EditText editText3 = (EditText) findViewById(R.id.editText3);
        EditText editText4 = (EditText) findViewById(R.id.editText4);
        EditText editText = (EditText) findViewById(R.id.editText);


        int first = Integer.valueOf(editText2.getText().toString());
        int second = Integer.valueOf(editText4.getText().toString());

        int add = first + second;

        int product = first * second;


        editText3.setText(Integer.toString(add));
        editText.setText(Integer.toString(product));
    }


    public void clear(View view) {
        EditText editText2 = (EditText) findViewById(R.id.editText2);
        EditText editText3 = (EditText) findViewById(R.id.editText3);
        EditText editText4 = (EditText) findViewById(R.id.editText4);
        EditText editText = (EditText) findViewById(R.id.editText);

        editText2.setText("");
        editText2.requestFocus();
        editText2.setText("");
        editText3.setText("");
        editText4.setText("");
        editText.setText("");

    }


    public void quit() {
        // TODO Auto-generated method stub        //super.onBackPressed();        openQuitDialog();
    }

    private void openQuitDialog() {
        AlertDialog.Builder quitDialog
                = new AlertDialog.Builder(MainActivity.this);
        quitDialog.setTitle("Confirm to Quit?");

        quitDialog.setPositiveButton("OK, Quit!", new OnClickListener() {

            @Override            public void onClick(DialogInterface dialog, int which) {
                // TODO Auto-generated method stub                finish();
            }
        });

        quitDialog.setNegativeButton("NO", new OnClickListener() {

            @Override            public void onClick(DialogInterface dialog, int which) {
                // TODO Auto-generated method stub
            }
        });

        quitDialog.show();
    }
}

activity_main.xml

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent"
    android:layout_height="match_parent" android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    android:paddingBottom="@dimen/activity_vertical_margin" tools:context=".MainActivity"
    android:id="@+id/myRelativeLayout"
    android:background="#ff1dffb7">


    <EditText
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/editText2"
        android:width="100dp"
        android:textSize="25dp"
        android:textStyle="bold"
        android:inputType="number"
        android:layout_above="@+id/textView2"
        android:layout_alignLeft="@+id/editText4"
        android:layout_alignStart="@+id/editText4"
        android:textColor="#ff0918ff" />

    <EditText
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/editText3"
        android:inputType="number"
        android:width="100dp"
        android:textSize="25dp"
        android:textStyle="bold"
        android:clickable="false"
        android:cursorVisible="false"
        android:focusable="false"
        android:focusableInTouchMode="false"
        android:layout_alignBottom="@+id/textView3"
        android:layout_alignLeft="@+id/editText"
        android:layout_alignStart="@+id/editText"
        android:textColor="#ff142eff" />

    <EditText
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/editText4"
        android:width="100dp"
        android:textSize="25dp"
        android:textStyle="bold"
        android:inputType="number"
        android:textColor="#ff1024ff"
        android:layout_below="@+id/textView"
        android:layout_alignRight="@+id/button2"
        android:layout_alignEnd="@+id/button2" />

    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Ok"
        android:id="@+id/button"
        android:onClick="sum_and_product"
        android:textStyle="bold"
        android:layout_alignTop="@+id/button2"
        android:layout_alignRight="@+id/textView3"
        android:layout_alignEnd="@+id/textView3" />

    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Clear"
        android:id="@+id/button2"
        android:onClick="clear"
        android:textStyle="bold"
        android:layout_below="@+id/editText"
        android:layout_alignRight="@+id/textView5"
        android:layout_alignEnd="@+id/textView5"
        android:layout_marginTop="37dp" />

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="First Number"
        android:id="@+id/textView"
        android:textStyle="bold"
        android:layout_marginTop="50dp"
        android:layout_below="@+id/textView5"
        android:layout_alignLeft="@+id/textView4"
        android:layout_alignStart="@+id/textView4"
        android:textColor="#ff0e16ff" />

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Second Number"
        android:textStyle="bold"
        android:id="@+id/textView2"
        android:layout_below="@+id/textView"
        android:layout_alignLeft="@+id/textView"
        android:layout_alignStart="@+id/textView"
        android:layout_marginTop="42dp"
        android:textColor="#ff1121ff" />

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="The product is"
        android:textStyle="bold"
        android:id="@+id/textView6"
        android:layout_marginTop="34dp"
        android:textColor="#ff0a1eff"
        android:layout_below="@+id/textView3"
        android:layout_alignLeft="@+id/textView3"
        android:layout_alignStart="@+id/textView3" />

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="The total sum is"
        android:textStyle="bold"
        android:id="@+id/textView3"
        android:layout_centerVertical="true"
        android:layout_alignLeft="@+id/textView2"
        android:layout_alignStart="@+id/textView2"
        android:textColor="#ff1624ff" />


    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Sum and Product of Two Numbers"
        android:textStyle="bold"
        android:textSize="18dp"
        android:textColor="#ff0d19ff"
        android:id="@+id/textView4"
        android:layout_alignParentTop="true"
        android:layout_centerHorizontal="true"
        android:shadowColor="#ffac0dff" />

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Created By: Mr. Jake R. Pomperada"
        android:textSize="16dp"
        android:textColor="#ff0c26ff"
        android:textStyle="bold"
        android:id="@+id/textView5"
        android:layout_marginTop="38dp"
        android:layout_below="@+id/textView4"
        android:layout_centerHorizontal="true" />

    <EditText
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/editText"
        android:inputType="number"
        android:width="100dp"
        android:textSize="25dp"
        android:textStyle="bold"
        android:clickable="false"
        android:cursorVisible="false"
        android:focusable="false"
        android:focusableInTouchMode="false"
        android:layout_alignBottom="@+id/textView6"
        android:layout_alignRight="@+id/button2"
        android:layout_alignEnd="@+id/button2"
        android:textColor="#ff0f27ff" />

    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Quit"
        android:id="@+id/button3"
        android:onClick="quit"
        android:layout_marginTop="20dp"
        android:textStyle="bold"
        android:layout_below="@+id/button"
        android:layout_toRightOf="@+id/button"
        android:layout_toEndOf="@+id/button" />
</RelativeLayout>

strings.xml

<resources>
    <string name="app_name">Sum and Products</string>
    <string name="action_settings">Settings</string>
</resources>

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.servo.add" >

    <application
        android:allowBackup="true"
        android:title="Sum and Product of Two Numbers"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >
        <activity
            android:name=".MainActivity"
            android:label="@string/app_name" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>