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Great Reads

A Journey to the World of Android Wearable

by ridoy

A brief explanation of application development for Android Wear, helpful for every beginner and intermediate android developer.

Never Buy A Garage Door Remote Again: Open Your Door With Your Android Phone (via Bluetooth)

by raddevus

Steps for building a device you can add to your existing garage door, which implements an atmega328, bluetooth (hc-05) and relay module which will allow you to open your garage door from any paired Android device.

Android Programming By An Example: Creating An Airport Schedule Simulator Application

by Arthur V. Ratz

In this article, we will discuss about the advanced Android application development based on the example of creating a responsive Airport schedule simulator application.

Still Don’t Get the Difference of “Overloading and Overriding”?

by Afzaal Ahmad Zeeshan

This post attempts to describe the general difference between overloading and overriding in Object-oriented programming languages.

Latest Articles

Smart Android Template for Data Performance

by Petrov Vladimir

Smart Android Template for Data Performance with International Signals Code as a Sample

Java Code Change Impact Analysis - Introduction to JCCI

by Oliver Li 2024

Java Code Change Impact Analysis

Wrapping Java with C++ Objects - JNI OOP

by Yochai Timmer

A way to avoid JNI's reflection oriented programming. Wrapping Java with C++

Windows / Android (C#/Java) Compatible Data Encryption with Compression

by JudyL_MD

Code sample for passing encrypted compressed data between Windows and Android

All Articles

Java

10 Things to Know about Memory Mapped File in Java

17 Nov 2013 by Javin Paul

Memory Mapped IO is one of the fastest IO options available for Java program. If you are writing latency sensitive application, where IO can skew your numbers, then using MemoryMappedByteBuffer is a good option.

3-Address Code Generator

24 May 2014 by Anurag Saini

A Java program to translate arithmetic expression to three-address codes

A Collection of the Most Useful Droidio (Android Studio) Hotkeys

21 May 2014 by B. Clay Shannon

A potentially-exhausting-but-not-exhaustive list of shortcut key combinations to use in Android Studio

A Pattern to Simplify Multiple Async Waiting for Android

5 Feb 2018 by Yesy

Provide a multiple-async-waiting operation management pattern for Android

A Programmatic Approach of Configuring web.xml

13 Apr 2015 by Keerthi_Kumar_N

Configuring the web.xml for any Java/J2ee project using a programmatic approach

A Programmatic Approach to Configure web.xml Entries in Java

14 Apr 2015 by Keerthi_Kumar_N

An alternative way of configuring web.xml using Java

A quick and easy way to direct Java System.out to File and to Console

17 Jan 2012 by Lodewijk Pool

A quick and easy way to direct Java System.out to File and to Console.

A quick and easy way to direct Java System.out to File and to Console

2 Feb 2012 by Member 3896609

try{ FileOutputStream fout= new FileOutputStream("stdout.log"); FileOutputStream ferr= new FileOutputStream("stderr.log"); TeeOutputStream multiOut= new TeeOutputStream(System.out, fout); TeeOutputStream multiErr= new TeeOutputStream(System.err, ferr); ...

A Sample Named "MACTracker" of Floodlight Controller

8 Dec 2015 by JinWenQiang

An instance of Floodlight Controller

Access Genymotion Folders in Windows Explorer/Finder using Smart Disk Pro

2 Dec 2015 by Anele 'Mashy' Mbanga

Explore your Genymotion Device folders

Access HFS+ from Windows (read-only) without installing any drivers

2 Nov 2014 by Dominick Sidiropoulos

A way to access files on HFS+ filesystems that side-steps alltogether the tar-pit called "windows-drivers-from-hell (tm)".

Add Menu Items, and Respond to Them, in Android Activities

4 Jun 2014 by B. Clay Shannon

Wherein the steps to add menu items, and respond to them being selected, is delineated

Add Save functionality in ReportCat

12 Sep 2013 by Shubhashish_Mandal

Add Save functionality in ReportCat, a Java print library.

Adding CAs at Runtime in Java

9 Jul 2016 by Bastian Eicher

CompositeJKS allows you to load a custom Java KeyStore into the SSL Context without replacing the system CA list.

Adding OnClick Event for button in XML

8 Oct 2013 by Praveen Maniyath

Code for implementing a click event for button in Android.

Algorithm: Get all possible letter combinations from a dialed number

15 Sep 2011 by ludovicianul

Alternate Proxy class with bytecode manipulation

20 May 2012 by abhinav_soni

This article provides alternative to Java's Proxy class with bytecode manipulation.

Android - customize EditText like a page in textbook.

9 Jan 2013 by WebMaster

Customize EditText in Android with has lines inside.

custom-controls

Android - List and Kill Background Process

28 Oct 2015 by Ngo Tuong Dan

Android OS is a multitasking operating, there are a lot of running background process, these process make your device will be slower.

Android - To Do\Shopping List

13 Jun 2013 by Deepali Dhingra

This tip explains how to create a to do or Shopping List app with listview, sqlite, dialog and customadapter

Android - To Do\Shopping List [Tip/Trick] - Part 2

13 Jun 2013 by Deepali Dhingra

This tip explains how to create a to do or Shopping List app with listview, sqlite, dialog and customadapter.

Android access to .NET Web Service with Object as parameter and return value

8 Jul 2011 by Ivan Budiono

Class to access a .NET Web Service with an Object parameter or even an array of objects.

Android Alphabetic IndexBar Scroller

20 Feb 2013 by Khushboo Kaur

This article would help you develop the Index Bar for Android across all screen resolutions.

Android App To Browse A Website

18 Apr 2014 by Garvit Arya

It is a personalized web Browser that can open a certain website directly.

Android Cards Counter

10 Apr 2015 by ShareIdeas

This Android project can get cards number leveraging the principle of digital image.

Android CodeView - the Easiest Way to Highlight Text

7 Apr 2021 by AmrDeveloper

How to use CodeViewAndroid Library in many projects features

Android CodeView: Auto Indentation, Find and Replace

11 Jan 2022 by AmrDeveloper

Create Android Code Editor app with CodeView that supports auto indenting, finding matching and replacing keywords

Android Database Example Project (Thread Safe Version)

13 Jun 2014 by Right Handed Monkey

This is a tutorial for accessing sqlite databases in Android in a thread safe manner. If you download the library code, please bookmark, comment on, or rate the article - it helps out tremendously.

Android Development - Running Android App

10 Dec 2012 by ShubhamSaxena

Running an Android app.

Android Edit Text with Cross Icon (x)

11 Aug 2013 by huyletran

Make edit text with specified length, delete icon

Android JSON Parser Java Classes Creator Online Tool

12 Feb 2014 by Sukhpal Singh JNU Jaipur

JSON parser classes creator tool for Android

Android Torch App

22 Jun 2018 by Azim Zahir

This is a demonstration of a Torch application built using Android.

Android: Activity Life Cycle

4 Sep 2013 by Satyam A.

Here we see how Android Activity LifeCycle works.

Android: Custom DialogBox

27 Sep 2013 by Satyam A.

How to create a custom dialog box in Android.

Android: Play Media File in the Assets Folder

17 Apr 2013 by Yildirim Kocdag

Play a media file (wav, MP3, etc) in the Assets folder.

Android: Set Ringer Silent

17 Apr 2013 by Yildirim Kocdag

This article helps you to set your Android device ringer mode to silent and normal, and check the last mode.

Android:deserialize KSoap2 response into Complex object or arrays purely

21 Aug 2014 by Little Carl

Library for deserializing the Ksoap2 response .

Android:SharedPreference

6 Oct 2013 by Satyam A.

How to use SharedPreference to store information in key-value pair in Android

Anoncrypt-Text Encryption and Decryption Website in Java (Struts2)

5 Aug 2017 by Rishabh Upadhyay

Anoncrypt by HTCoders is a web-based Text Encryption and Decryption Project developed using Java Technology following Struts2 Framework

Another way of Consuming WCF from PHP, iPhone, JavaMobile, JSON clients

27 Sep 2010 by Frozen Rain

There is a simple way to consume WCF from clients which do not support Microsoft's SOAP implementation. It is achieved by using REST to accept data and convert REST calls to SOAP calls with the PHP Framework.

Apache Click Framework PickList control client JavaScript via PrototypeJS

23 Nov 2009 by Riaan Lehmkuhl

/* * get a hook on the buttons (> or > or

Apache CXF wsdl2java Error

14 Jan 2011 by Klaus Stefan Gerber

I was trying to consume a web service, creating the Java classes using Apache CXF and the command line wsdl2java tool

Area of a Triangle in the Cartesian Coordinate System

27 Oct 2012 by NoSuchUserAccount

For absolute beginners in Java

Argument Parser

27 Nov 2012 by Nagy Vilmos

A simple method to parse an argument list as a name value pair

ASP.NET Webservices in Java via kSOAP

5 Jan 2014 by User 10259217

Handy bridge between ASP.NET webservices and Java

AsynchronousSocketChannel Concurrent Writes

28 Apr 2014 by Sergey Zubarev

AsynchronousSocketChannel concurrent writes

Awesome Feature of AOP in Spring

14 Sep 2015 by Nandlalaji Singh

Spring itself is vast. It has lots of features. But AOP is a really cool and powerful feature. This tip is for Spring developers who don't use AOP. This gives a view of AOP.

Bar Chart with Click Listener in Android

20 Apr 2015 by emerR46

Show an option when a selected bar chart is clicked in from screen.

Be Careful with Virtual Method Calls from the Constructor (and Destructor) of your Classes in C++/C#/Java!

24 Aug 2013 by pasztorpisti

Avoid accidental virtual method calls in C++ constructors/destructors, Java constructors and be careful with them in C#!

Bitmap combination

27 Aug 2013 by huyletran

Create a new bitmap by combining many bitmaps.

Bluetooth Desktop Locker with Android Application

5 Nov 2014 by Arkadeep De

Bluetooth Desktop Locker with Android Application

Bootstrap Popups

2 Oct 2014 by Rapuru Amarendra

This tip presents an example of popups in responsive using bootstrap

Brief Introduction to Functional Programming in Java 8

28 Feb 2016 by Klaus78

In this tip, we explain the basics of functional programming in Java 8.

Build Your Own SDN Network

10 Dec 2015 by JinWenQiang

Get started with your own SDN (Software Defined Network) simulation network

Builder design pattern in Java

30 Sep 2012 by Arpit Mandliya

Explains the Builder design pattern in detail with example.

Building a Contact Form Using C#/ASP.NET MVC

19 Oct 2016 by O.Nasri

This tip shows you how you can implement a contact form in C#/ASP.NET MVC

C# Like Event Handlers Pattern in Java

26 Mar 2017 by Danilow

Simulating C# event handlers in Java

C#-Like Events For Java

28 Aug 2016 by Mohamed.Faried

Simplifying Java events

C++ Syntax Uncovered

15 Dec 2010 by Lars P.Wadefalk

I have sometimes wondered if the 'with' statement would work in C/C++, just like in pascal. Meaning that it would in it's nearest scope automatically recognize class/struct members for the ones mentioned with a . or maybe -> operator.Maybe something like:TestClass* tc;float...

Call PHP webservice from Android

23 Jul 2014 by sandeepten910

Calling a Webservice from Java using Maven

21 Dec 2012 by skprasadu

This tip shows how you can create stubs for webservices in Java using Maven

Case Converter, Works as Background Service

25 Jun 2012 by csanuragjain

Case converter which runs as a background service and can convert cases fro uppercase to lowercase or vice-versa.

Chalba - Open Source Load Testing Tool

21 Oct 2019 by hexgear

Chalba is an open source hackable load testing tool. Chalab is inspired from jmeter, gatling, grinder like tool.

Check whether location services are enabled on Android Phone

1 Apr 2013 by Melih Mucuk

Checking location services are enabled or disabled on android phone.

Check whether network is available on Android phone

30 Dec 2012 by WebMaster

This code snippet checks whether network is available on an Android phone.

Choosing a Good Constant in the Logistic Map PRNG

6 Mar 2014 by Dan Mihajlov

How a bad constant can cause a security breach

ColoredText - How to Print Colored Text using Java

24 Feb 2022 by Shmuel Zang

Simple Java helper class to print colored text in console window.

Composition for Partial Aggregate Domain Model

23 Dec 2014 by Dominique Gilleman

How to handle (load/save) only a part of an aggregate domain model with composition

Conditional JavaScript and CSS based on browser and OS

23 Apr 2012 by abhinav_soni

Renders JavaScript and CSS from server based on the user's system.

Configure Log4j to Generate New Log File for Every Run

20 Apr 2016 by Nilesh Khaire

Log4j trick to generate new log file every time you run the application

Connecting Android App to Web Page with POST Parameters

15 Feb 2016 by Jose V. Huerta

Android APP to web page (POST parameters)

Connection Pool Implementation

2 Mar 2016 by Mahmoud_Gamal

Connection pool java without ConnectionContext

Convert Arabic Number To Alphabet (التفقيط) تحويل الأرقام إلى حروف

11 Nov 2012 by ahmed_alashrafy

تفقيط الأرقام العربيه

Convert Microsoft Word to PDF - using Java and LibreOffice (UNO API)

24 May 2016 by jowettp

How to use the programmatic interface of LibreOffice (called the UNO API) to load, manipulate and save documents

Copy Modified Files

9 Sep 2016 by dileep

Copy the modified files from one directory to another

Crawling the Web with WebCollector

22 Apr 2015 by CrawlScript

WebCollector is an open source web crawler framework based on Java. It provides some simple interfaces for crawling the Web, you can setup a multi-threaded web crawler in less than 5 minutes.

Create a Code Editor Android Application using CodeView Library

4 Nov 2020 by AmrDeveloper

How to create a Code Editor Android Application for Go Programming Langauge using CodeView Library

Create a LibGDX Game in JRuby

14 Oct 2014 by Uros Calakovic

Use the LibGDX Java gaming framework and JRuby to create a simple 2D game for desktop

Create a Simple Web Server in Java (1) - HTTP Server

15 Oct 2015 by Andy Feng

Create a simple Http Server using Java SDK and process GET/POST requests

Create a Simple Web Server in Java (2) - HTTPS Server

24 Oct 2015 by Andy Feng

Create a simple and flexible HTTPS server using JDK to process GET/POST requests

Create Groovy Classes Dynamically

29 Apr 2014 by Uros Calakovic

Create Groovy classes at run-time and use them from Groovy or Java

Create XML and Extend its Nodes

17 Apr 2014 by SaahilPriya

Creates an XML File, and extends its Node if it already exists

Creating and Invoking an Activity in Droidio (Android Studio)

19 May 2014 by B. Clay Shannon

How to create an Android Activity and its associated Layout file, then invoke (intent) them from another Activity

Creating Animation from Sequence of Images in JavaFX

21 Jun 2014 by AjithKp560_

Creating a simple animation using sequence of images

Creating Progress Bar When Loading Two or More Async Tasks in Android

17 Dec 2018 by Benktesh Sharma

Tips for tracking progress on multiple async tasks in Android

Creating Windows Executables from Java Applications

24 Mar 2017 by Datalogics Inc.

Options to turn Java code into executables that can be used from a programming language

Custom App Chooser in Android

4 May 2016 by shash kant

How to develop a custom App Chooser to show SMS and Whatsapp in Chooser dialog

Custom Map Tiles (Android)

24 Sep 2012 by valeriyabobko

A simple example of using custom tile server for Android maps using OSM (Open Street Map) library

Customized StickyGridHeaders

13 Sep 2013 by Ahmed Alaa El-Din

I customized StickyGridHeaders to work on any data and group by any data.

CyberGod - An Antivirus in C++ for Windows and Android(Java)

18 Oct 2017 by VISWESWARAN1998

CyberGod KSGMPRH is an open source antivirus which is designed to work under Windows operating system. It comes with a DOS Engine helping developers to customize the anti-virus engine as they please.

Debug Java Code in Java COM Windows Application (Remote Java Debugging)

18 Oct 2013 by Vivek Goyal

Debugging Java JNI and C++ code in COM based application

Decoding Android Development for ASP.NET (webform) Programmers – Part I

20 Apr 2015 by Mani Murthy

Provides a brief overview to developing Android application for developers who are from the ASP.NET background

Decoding Android Development for ASP.NET (webform) Programmers – Part II

22 Apr 2015 by Mani Murthy

Provides a brief overview for developing Android application for developers who are from the ASP.NET background. This is the second part.

Decorator Design Pattern in Java

11 Feb 2013 by Arpit Mandliya

It explains decorator design pattern in detail with example.

Design Patterns-Simplified

9 Jul 2015 by Kevan Hadvani

This is my humble effort to explain so called complex Design Patterns to explain as simply as possible

Designing Android Chat Bubble (Chat UI)

17 Apr 2015 by JoCodes

Creating Simple Android Chat Bubble or Chat UI Layout

Determine the IP address for any website

17 Jul 2011 by csanuragjain

How to determine the IP address for a website in Java.

Developing a TimeUtil Class to Work with Time in Java

25 Jun 2015 by Salar Hafezi

Through this tip, we develop a Java class named TimeUtil to extend Java's built in Date class so we can work with local times in our application.

Diffie-Hellman Key Exchange Algorithm in Java

26 Apr 2020 by AjithKp560_

Java Implementation of Diffie-Hellman Key Exchange Algorithm

Direct Access to SQL Server From Android

19 Nov 2015 by Ngo Tuong Dan

Using JTDS - SQL Server and Sybase JDBC driver to access SQL Server from Android APP