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Terra
Here is another game I found on one of my old disks. Terra, a multiplayer strategy game I created in 2006 for my computer-science course in school. Try it if you want and i will also provide the source...
View ArticleListViews, Adapters and task delegation
I think the ListView is one of the more complex views in Android and today i needed a class to simply display a list. I thought of some requierments for this adapter class and this are the important...
View ArticleCustom Views in Android
Some lessons i learned using the Eclipse custom view preview feature:Many of the Android versions you can choose in the UI editor of Eclipse do not render custom UIs correctly. The one I use now is...
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SimpleUI v2
I created a new version of the SimpleUI library:The new v2 version has some benefits over the old v1 version (which can still be used) and is more flexible. It was important for me to allow a better...
View ArticleDrawing arbitrary text on an Android canvas
Today i creaded a small method to draw some text to a fixed area in a canvas:private static void drawText(Canvas canvas, int xStart, int yStart,int xWidth, int yHeigth, String textToDisplay,TextPaint...
View ArticleGQL Example Queries
Some additional examples for https://developers.google.com/appengine/docs/python/datastore/gqlreferenceSELECT * FROM User WHERE nickName IN ('Tom')SELECT * FROM User WHERE nickName='Tom'SELECT * FROM...
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Presentation of our current developments
At the Droidcon Berlin we had a talk about our current work and where we are heading. The Droidcon gets better and bigger every year, lets hope next year we will be on board again :)Here are the slides...
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How to interact with your (future) AR glasses
AR glasses are already at your head and interacting with the virtual elements should not be based on head gestures, muscle readers, hand gestures, blinking eyes (and definitely not speech ;) if there...
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Tooltip UI
Here is a small tooltip UI util I created. It can be added to any Relative layout which contains a view that should be highlighted:
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Meta - Model Validation and UI generation
Wouldn't it be great to validate your model in a simple way, which can be added to any existing code without affecting the original functionality? And even better, why not using this validation logic...
View ArticleAn Android Adapter to display phonebook entries
The goal: Create an adapter for e.g. a ListView to display all phone book entries which have a phone number. Using the ResourceCursorAdapter this gets actually very simple:import...
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SimpleUI Template Project
I created a template project with some often used UI elements, if you still use Eclipse and did not switch to Android Studio yet this might be still interesting for you ;)
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Moving files onto Google Glass
There is no easy way to copy files to Google Glass at the moment. Here is how you can do it using ADB. Start your command promt:adb shell //to start the shell and navigate through the file...
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SimpleUi now has material design
SimpleUI got some visual improvements over the last weeks, so here are some updated screenshots for you. SimpleUI in general is a way to generate UI using the MVC principle. The developer only has to...
View ArticleHow to structure a CS thesis (and some general tips)
In the last years I had over 15 students doing their bachelor and master computer science thesis in my company and after a while I decided to write down the basic things the students should know and...
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ClassFinder to search your packages for specific classes
Wouldn't it be great to automatically test newly createded classes instead of writing new unit tests for each new class manually? Well this of course does not work for any class because the test can't...
View ArticleYour free starter kit: Unity 5 + Visual Studio 2013 + Debugging +...
The first thing you should do when starting with Unity, switch to Visual Studio for the programming part. There is a free community version of visual studio and a few very useful plugins:Visual Studio...
View ArticleConnect to your ODG Glasses via ADB
Short instructions how to install the ADB drivers for your ODG glasses. Open the folder where the default ADB drivers are in (e.g. C:\Program Files (x86)\Android\android-sdk\extras\google\usb_driver)...
View ArticleHow to access the Youtube RSS feed
Here is the link you have to use to still access the RSS feed of a specific youtube channel: https://www.youtube.com/feeds/videos.xml?channel_id=YOUTUBE_CHANNEL_ID
View ArticleI want to create fully operative Android UIs in 5 minutes..
Lets put it this way, i really hate GUI design! I hate it that it does not work from the beginning on and you have to check again and again if the GUI looks at least not like crap. It takes really long...
View ArticleHow to avoid dependencies in a library
When providing a library like a parser for location-based information one of the most important points is to not create any kind of dependency into the application which later uses the library.But what...
View ArticleSimple Random Name Generator for Java
Today i needed a name generator so i wrote one myself (i didn't like the existing ones i found via Google;). Here is the test code i used:NameGenerator gen = new NameGenerator();for (int i = 0; i <...
View ArticleHow to create algorithms which are independent from the used datastructure
Normally if you want to use an existing algorithm found in the internet you have to adapt it so that it works on your object structure. But if the algorithm is written properly you don't have to! So...
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Utopia - My first computer game
Here is an awesome piece of code from my time in school (i think it was 2002 when i was in the 9 grade), it's a Sim City clone called Utopia and was written in QBasic. I think it was the first "big"...
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