android10

1. Using an Android phone's sensors

Introduction SDK Version: M3 Accessing the sensor data of a phone, is not too complicated, but since API level 3, a lot of things got deprecated. Using only the emulator, you have only a few (here is one) options, to simulate sensor data. I would...

Tuesday, 13 July 2010 | 2023 hits | Print |  E-mail | Report | Read more

2. Unit Testing Example

Introduction SDK Version: M3 In this example I'm gonna show you how to test a simple class using Eclipse for android development. For unit testing you can use the built in JUnit framework just like in "standard" java applications. If you need...

Wednesday, 21 July 2010 | 1917 hits | Print |  E-mail | Report | Read more

3. ProgressBar updating using Message Handler

Introduction SDK Version: M3 You're going to learn how to make a progressbar, which gives you a feedback what's going on in the background. ProgressBar Updating Let say you have a LoadingScreen activity (loadingscreen.xml layout), and a Main...

Sunday, 25 July 2010 | 1315 hits | Print |  E-mail | Report | Read more

4. Using Hardware Indicators with the Android SDK

Introduction In this Android quick tip you will learn about two new methods of alerting users to events: Vibration and LED/Trackball lighting. These methods are referred to as “Hardware Indicators,” and are used sparingly in various Android...

Sunday, 12 September 2010 | 1489 hits | Print |  E-mail | Report | Read more

5. How to Publish to the Android Market

Introduction So, you’ve finished developing your Android application after weeks of hard work and want to release your creation to the world? This article will guide you through the process of doing so. The Checklist First and...

Sunday, 19 September 2010 | 2383 hits | Print |  E-mail | Report | Read more

6. Unit Testing with the JUnit Testing Framework

Introduction In this tutorial, you will learn how to use Eclipse to create an Android JUnit Test Project, create automated unit tests and run them under a variety of conditions. Before You Begin The authors are assuming the reader has...

Thursday, 23 September 2010 | 2612 hits | Print |  E-mail | Report | Read more

7. Painless Threading

Introduction Whenever you first start an Android application, a thread called "main" is automatically created. The main thread, also called the UI thread, is very important because it is in charge of dispatching the events to the appropriate...

Tuesday, 28 September 2010 | 2368 hits | Print |  E-mail | Report | Read more

8. Using Android Services

Introduction To create a application to run in the background of other current activities, one needs to create a Service. The Service can run indefinitely (unbounded) or can run at the lifespan of the calling activity(bounded). Here you can see...

Tuesday, 16 November 2010 | 3127 hits | Print |  E-mail | Report | Read more

9. Android Application and AsyncTask basics

Introduction Programming on Android is pretty easy. At least it is at first, then the subtleties creep in -- like maintaining state, long running tasks, managing orientation changes, and so on. When you get to that stuff programming Android gets,...

Thursday, 18 November 2010 | 13810 hits | Print |  E-mail | Report | Read more

10. Debugging Your Android App

Introduction Coming from a Windows environment, specifically the .NET space, I’ve been used to a pretty easy and seamless debugging approach. If I’m working on some source code in the IDE and I want to debug it, I hook up some sort of...

Friday, 19 November 2010 | 1497 hits | Print |  E-mail | Report | Read more

11. Using DDMS to Profile Android Apps

Introduction I like having an idea of how efficient any code I write is, and I like having tools with which to do so. Over the years I’ve accumulated a good gut feeling for what inefficient code looks like. That said, sometimes I have to go...

Saturday, 27 November 2010 | 2356 hits | Print |  E-mail | Report | Read more

12. Unit Testing With JUnit & Eclipse From a .NET Perspective

Introduction Since I’ve been toying with Android development in the last few months, I’ve been focusing on the Android SDK side of things instead of fundamentals such as project set up, code cleanliness, and testing. This post starts...

Wednesday, 22 December 2010 | 1040 hits | Print |  E-mail | Report | Read more