Archive for May, 2010

Sensor Fun: Location Based Services and GPS for Android

Sunday, May 30th, 2010

The Android SDK offers a nice API to receive information about available providers for location based services and get the current location and coordinates.

In this short tutorial we’re going to build a small activity that displays a list of available location providers and shows the current position using gps services.

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Extending the Confluence Search Index

Sunday, May 23rd, 2010

Developing plugins for the Confluence Wiki a developer sometimes needs to save additional metadata to a page object using Bandana or the ContentPropertyManager. Wouldn’t it be nice if this metadata was available in the built-in Lucene index?

That is were the Confluence Extractor Module comes into play..

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Creating a simple Gesture App with Android

Friday, May 14th, 2010

The integration of gestures into your android app adds some nice functionality and is made very easy using Google’s GestureBuilder application and the integrated GestureLibrary and Gesture Overlay API – so let’s build a sample app.

If you need some basic information regarding gestures on android first – take a look at this article.

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Playing around with QR Codes

Tuesday, May 11th, 2010

Sometimes QR codes are a nice way to distribute information like calendar events, contact information, e-mail, geo-locations or internet addresses.

In the following article we’re going to encode information to QR code images using the ZXing library and afterwards decode information from a given QR code.

Finally we’re taking a look on online QR code generators and how to integrate the ZXing library in a Maven project.

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Snippets: Getting License Information from the Confluence API

Thursday, May 6th, 2010

Sometimes one needs to look up license details of a running Confluence system .. perhaps for creating a commercial plugin or to display recommendations dependant from the license used. For this reason there are a few possibilities for receiving some license information from the Confluence API or the velocity context.

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Sensor Fun: Creating a simple audio recorder/player

Sunday, May 2nd, 2010

Sound recording and playback is really simple using the MediaRecorder and MediaPlayer classes .. see the example below ..

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