Per-Erik Bergman, Author at blog.

Android Custom Button

Post published:June 5, 2016
Post Author:Per-Erik Bergman
Post Category:Android / Tips & Tricks
Post Comments:1 Comment

Have you ever wished you hade a better button option? A button with a better layout? Look no further :) Creating a custom button! It is actually really really easy…

Android – ORMLite

Post published:March 15, 2016
Post Author:Per-Erik Bergman
Post Category:Android / Architecture / Java / Tips & Tricks
Post Comments:8 Comments

Android and databases are powerful and really good to have but it is also not so fun working with. I'm going to show if not a funny way at least…

Android App Development Keeping it Simple

Post published:June 14, 2015
Post Author:Per-Erik Bergman
Post Category:Android / Architecture / Java / Tips & Tricks
Post Comments:5 Comments

I get a lot of questions from “newbies” on how to best approach app development. I think the best way is to keep it simple, so this is my approach…

Android RecyclerView – Simple List

Post published:December 23, 2014
Post Author:Per-Erik Bergman
Post Category:Android / Java / Tips & Tricks
Post Comments:8 Comments

RecyclerView The replacement for ListView, GridView and a couple of other components. To gain good performance you need to implement the ViewHolder pattern unfortunately there is a lot of ways…

OpenGL ES 2.0 Tutorial for Android – Part I – Getting started

Post published:May 9, 2013
Post Author:Per-Erik Bergman
Post Category:Android / Java
Post Comments:53 Comments

It has been a while since I was able to write any tutorials and continue on my last serie about OpenGL ES 1.x feels a bit out-dated so I start…

Getting started with Android NDK

Post published:October 13, 2011
Post Author:Per-Erik Bergman
Post Category:Android / Embedded / Java / Tips & Tricks
Post Comments:17 Comments

You want to try out the Android NDK? I have gotten a lot of questions about how to setup and work with the NDK and I decided to write down…

A behavioral scene graph

Post published:January 12, 2011
Post Author:Per-Erik Bergman
Post Category:Architecture / Tips & Tricks
Post Comments:5 Comments

This will be an overview of that I think is the coolest scene graph philosophy ever. It will reduce the code and make your graphical framework more dynamic and easier…

OpenGL ES Tutorial for Android – Part VI – Textures

Post published:December 30, 2010
Post Author:Per-Erik Bergman
Post Category:Android / Embedded / Java
Post Comments:105 Comments

I have started a new updated serie of tutorials on OpenGL ES 2.0 for android. Check them out at: OpenGL ES 2.0 Last tutorial we worked a bit more on…

Thoughts on creating a framework

Post published:September 2, 2010
Post Author:Per-Erik Bergman
Post Category:Architecture / Tips & Tricks
Post Comments:5 Comments

I have been developing frameworks for different applications mostly games for over 10 years. Over this time I have made some really bad decisions and wrong turns, fortunately I have…

OpenGL ES Tutorial for Android – Part V – More on Meshes

Post published:February 15, 2010
Post Author:Per-Erik Bergman
Post Category:Android / Embedded / Java
Post Comments:83 Comments

I have started a new updated serie of tutorials on OpenGL ES 2.0 for android. Check them out at: OpenGL ES 2.0 I have a feeling that some of you…

OpenGL ES Tutorial for Android – Part IV – Adding colors

Post published:January 14, 2010
Post Author:Per-Erik Bergman
Post Category:Android / Embedded / Java
Post Comments:26 Comments

I have started a new updated serie of tutorials on OpenGL ES 2.0 for android. Check them out at: OpenGL ES 2.0 Last tutorial was about transformations. This tutorial will…

OpenGL ES Tutorial for Android – Part III – Transformations

Post published:January 1, 2010
Post Author:Per-Erik Bergman
Post Category:Android / Embedded / Java
Post Comments:64 Comments

I have started a new updated serie of tutorials on OpenGL ES 2.0 for android. Check them out at: OpenGL ES 2.0 Last tutorial was about building your polygons. This…

OpenGL ES Tutorial for Android – Part II – Building a polygon

Post published:December 4, 2009
Post Author:Per-Erik Bergman
Post Category:Android / Embedded / Java
Post Comments:85 Comments

I have started a new updated serie of tutorials on OpenGL ES 2.0 for android. Check them out at: OpenGL ES 2.0 Previous tutorial was all about setting up the…

OpenGL ES Tutorial for Android – Part I – Setting up the view

Post published:December 3, 2009
Post Author:Per-Erik Bergman
Post Category:Android / Embedded / Java
Post Comments:96 Comments

I have started a new updated serie of tutorials on OpenGL ES 2.0 for android. Check them out at: OpenGL ES 2.0 I'm going to write a couple of tutorials…