Skip to main content

Simple Zakat Calculator

This is a simple Zakat Calculator that do some calculation.

Provided in the source is the Java source. It contains sample code on how to ;

  • alert user is input is null
  • handle calculation
  • show OK dialog box
  • numerical value parse from string
  • invoke sharing intent
  • admob, etc

Screen shots

handle calculationalert user is input is nullinvoke sharing intent android

The complete source - https://docs.google.com/file/d/0B34ZxOOoeSDdeURRSVFKek81Q2M/edit?usp=sharing

The APK in the Google Store (Taksiran Zakat Emas Kalkulator)

image

The Java code

package net.kerul.kirazakatemas;

import android.os.Bundle;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.view.Gravity;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageButton;

import com.google.ads.AdRequest;
import com.google.ads.AdView;

public class KiraZakatEmas extends Activity implements OnClickListener {

private AdView adView;
private EditText txtberat, txtharga, txtnisab, txtnilai, txtkira;
private Button btnkira;
private ImageButton btninfo, btnshare;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_kira_zakat_emas);

//UI
txtberat=(EditText)findViewById(R.id.txtberatemas);
txtberat.setGravity(Gravity.RIGHT);
txtharga=(EditText)findViewById(R.id.txthargaemas);
txtharga.setGravity(Gravity.RIGHT);
txtnisab=(EditText)findViewById(R.id.txtnisab);
txtnisab.setGravity(Gravity.RIGHT);
txtnilai=(EditText)findViewById(R.id.txtnilai);
txtnilai.setEnabled(false);
txtnilai.setGravity(Gravity.RIGHT);
txtkira=(EditText)findViewById(R.id.txtkira);
txtkira.setEnabled(false);
txtkira.setGravity(Gravity.RIGHT);

//button
btnkira=(Button)findViewById(R.id.btnkira);
btnkira.setOnClickListener(this);
btnshare=(ImageButton)findViewById(R.id.btnshare);
btnshare.setOnClickListener(this);
btninfo=(ImageButton)findViewById(R.id.btninfo);
btninfo.setOnClickListener(this);

//admob widget
adView = (AdView)findViewById(R.id.ad);
adView.loadAd(new AdRequest());

}

@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.activity_kira_zakat_emas, menu);
return true;
}

public boolean onOptionsItemSelected(MenuItem item){

switch (item.getItemId()){
case R.id.mkongsi:
invokesharing();
break;
case R.id.minfo:
displayinfo();
break;
}
return true;
}

@Override
public void onClick(View arg0) {
// TODO Auto-generated method stub
double berat, harga, nilai, nisab, kira;
if (arg0.getId()==R.id.btnkira){

if (txtberat.getText().toString().equals("")){
AlertDialog.Builder dlgAlert = new AlertDialog.Builder(this);

dlgAlert.setMessage("Sila masukkan berat emas (gram)");
dlgAlert.setTitle("Zakat Emas Kalkulator");
dlgAlert.setPositiveButton("Ok",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
//dismiss the dialog
}
});
dlgAlert.setCancelable(true);
dlgAlert.create().show();
txtberat.requestFocus();
}
else if (txtharga.getText().toString().equals("")){
AlertDialog.Builder dlgAlert = new AlertDialog.Builder(this);

dlgAlert.setMessage("Sila masukkan harga emas semasa(per gram)");
dlgAlert.setTitle("Zakat Emas Kalkulator");
dlgAlert.setPositiveButton("Ok",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
//dismiss the dialog
}
});
dlgAlert.setCancelable(true);
dlgAlert.create().show();
txtharga.requestFocus();
}
else{
berat=Double.parseDouble(txtberat.getText().toString());
harga=Double.parseDouble(txtharga.getText().toString());
nisab=Double.parseDouble(txtnisab.getText().toString());

nilai=berat*harga;
//nisab=txtnisab.getText().toString());
if(berat>85){//boleh dikena zakan

kira=(berat-85)*harga*0.025;
txtnilai.setText(String.valueOf(nilai));
txtkira.setText(String.valueOf(kira));
}
else {//tak zakat
txtnilai.setText(String.valueOf(nilai));
txtkira.setText("Tidak wajib zakat.");
}
}
}//btnkira
else if (arg0.getId()==R.id.btnshare){
invokesharing();
}//btnshare
else if (arg0.getId()==R.id.btninfo){
displayinfo();
}//btnshare

}

public void displayinfo(){ //fucntion to display OK dialog box
AlertDialog.Builder dlgAlert = new AlertDialog.Builder(this);

dlgAlert.setMessage("Dibangunkan oleh IT Zakat Pulau Pinang. " +
"Maklumat lanjut http://zakatpenang.com");
dlgAlert.setTitle("Zakat Emas Kalkulator");
dlgAlert.setPositiveButton("Ok",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
//dismiss the dialog
}
});
dlgAlert.setCancelable(true);
dlgAlert.create().show();
}
public void invokesharing(){ //function to invoke sharing intent
Intent sharingIntent = new Intent(android.content.Intent.ACTION_SEND);
sharingIntent.setType("text/plain");
String shareBody = "Apps Taksir Zakat Emas muat turun di Google Store...\n";
shareBody=shareBody+"http://zakatpenang.com #zakatkalkulator";
sharingIntent.putExtra(android.content.Intent.EXTRA_SUBJECT, "Apps Taksir Zakat Emas");
sharingIntent.putExtra(android.content.Intent.EXTRA_TEXT, shareBody);
startActivity(Intent.createChooser(sharingIntent, "Kongsikan melalui:"));
}

}

Comments

Popular posts from this blog

Several English proverbs and the Malay pair

Or you could download here for the Malay proverbs app – https://play.google.com/store/apps/details?id=net.kerul.peribahasa English proverbs and the Malay pair Corpus Reference: Amir Muslim, 2009. Peribahasa dan ungkapan Inggeris-Melayu. DBP, Kuala Lumpur http://books.google.com.my/books/about/Peribahasa_dan_ungkapan_Inggeris_Melayu.html?id=bgwwQwAACAAJ CTRL+F to search Proverbs in English Definition in English Similar Malay Proverbs Definition in Malay 1 Where there is a country, there are people. A country must have people. Ada air adalah ikan. Ada negeri adalah rakyatnya. 2 Dry bread at home is better than roast meat home's the best hujan emas di negeri orang,hujan batu di negeri sendiri Betapa baik pun tempat orang, baik lagi tempat sendiri. 3 There's no accounting for tastes We can't assume that every people have a same feel Kepala sama hitam hati lain-lain. Dalam kehidupan ini, setiap insan berbeza cara, kesukaan, perangai, tabia

WebDev

http://blog.kerul.net PHP DEVELOPMENT TOOLS Download the XAMPP latest version from www.apachefriends.org . This installation file contains the Apache web server, PHP 5 and 4 interpreter, and the MySQL 5 Community edition. - download latest version MozillaFireFox (OpenSource web browser firefox) – download latest version Google Chrome – fastest web browser on earcth – fast download chrome here TEACHING PLAN Download the teaching plan here for Web/Internet Programming ( download ) NOTES HTML references HTML Editor -  http://www.sublimetext.com/ Lab 1: HTML Basics -  http://www.w3schools.com/html/ Lab 2: Responsive Design:  http://www.w3schools.com/html/html_responsive.asp Lab 3: HTML Forms  http://www.w3schools.com/html/html_forms.asp Lab 4: HTML 5  http://www.w3schools.com/html/html5_intro.asp Lab 5: Bootstrap for responsive Web -  http://www.w3schools.com/bootstra

Submit your blog address here

Create your own blog and send the address by submitting the comment of this article. Make sure to provide your full name, matrix and URL address of your blog. Refer to the picture below. Manual on developing a blog using blogger.com and AdSense, download here … Download Windows Live Writer (a superb offline blog post editor)

Contact Us at blog.kerul.net

Powered by EMF HTML Contact Form

ASK kerul pls...

Ask me please, just click the button... Any question related to the web, PHP, database, internet, this blog, my papers, or anything. I'll answer to you as soon as I can, if related to my domain. If not I'll try to find out from Google and provide you a link that can help you solve a problem. Sincerely, kerul. ASK kerul pls... http://kerul.blogspot.com