JAVA Posts on XDA

Learn About Java Listeners

The path to becoming a great Android developer is not straightforward. To make an application or modify an existing one, you need to know Java. To write a good application, you need to know all of the language's nuances. Much of this information is available in resources found here on XDA. Applications written in Java use listeners,...

Create an External Settings App for SystemUI.APK

Unlike most other mobile OSes, Android allows users to modify its source code to make the most of it. This is accomplished by editing code from the AOSP or AOSP-derived projects before compiling. However, not all of us build our own ROMs from source. Thus, there's the world of decompiling and Smali editing.Here on XDA,...

How to Create a Java FileFilter with a Picture Guide

Java is a programming language that is used to code software for many devices, including Android. It's criticized by many, but Java is still widely used, mostly because its ability to run properly across many OSes as Windows, Linux, and Mac OS. Quite a few tools available on XDA are written in Java, including the...

Meet JOdin3: A Web Tool that Flashes Your Samsung Device

Odin and Heimdall were pretty badass gods in the Nordic mythology. But to Samsung device owners, these are important and powerful tools designed to flash stock ROM files, much like Flashtool on Sony phones. In short, they are an essential part of Samsung Android development here at XDA.Many times in the past, we've talked about XDA...

Direct Smali to Java Converter Makes Smali More Developer Friendly

Android is meant to be open source. And most components, despite being covered by the Apache license, have publicly available source code. Unfortunately, the sad truth is that only Nexus devices owners can do Java modifications without digging into Smali assembler language, which is not simple and needs much more effort than Java. Also, decompiled...

Learn Some Coding Basics and Become a Famous Developer!

Many of us would love to become famous programmers like XDA's Senior Recognized Developers. But coding isn't easy, and you need to know the basics and have a working knowledge of whatever language you choose before even getting started. And of course, writing a simple “Hello world!” app is not enough, as you will have to...

GetJava Helps You Convert APKs into Java Projects

Android is an operating system that uses a lot of programming languages. The most common languages are Java (or Android Java if you prefer), C, XML, Bash, as well as a few more. Android applications can be decompiled by APKTool and a few similar tools, and their output is Smali. I know that many of you will disagree with...

Online PIT Analysis Tool and Library

About a year ago, we covered a tool by XDA Recognized Developer lyriquidperfection that allows users to create, modify, and analyze Samsung PIT (Partition Information Tables ) files. For those who aren't familiar with PIT files, they contain all of the relevant information for each partition such as partition id, partition name, flash filename, block size, block range,...

Fling Brings Local PC Media Files to Your Chromecast

We've talked quite a bit about the Google Chromecast in the past few weeks. Ever since it was launched a little under a month ago, the little $35 media streamer has lived an exciting life. From gaining root to losing root and from alternate receivers to alternate content providers, there have certainly been more than...

Decompile and Recompile Classes.dex with Ease

It's fair to say that unless you've spent some time digging around inside APK files and making some heavy duty modifications to apps or the Android OS itself, you probably haven't come face-to-face with a .smali file in its natural environment. They are a common component in many of the most popular Android tweaks and...

Careers in Android: Getting Accepted to a Hacker School – XDA Developer TV

Recently, XDA Developer TV has been talking about becoming a Hacker. What we mean by hacker is not the basement dwelling anarchist types, we mean the expert coding kinds. We talked about how to become a hacker, and last week we talked about ranking hacker schools. This week, we are talking about how to get...

Careers in Android: Rate My Hacker School – XDA Developer TV

Last week, XDA Developer TV Producer Jayce interviewed Co-Founder of App Academy Kush Patel and Co-Founder of Mobile Makers Don Bora to talk about intense learning curriculum known as Hacker School. There were quite a few questions about what and where you could find such schools.In this episode, Jayce names a few schools and talks about...