Sven Reimers Martin Klähn JavaOne 2017 San Francisco, 30.09-05.10.2017

How to Tame a Tweetwall BOF6111

About Sven Reimers

• System Engineer @ Airbus Defence and Space

• Founder and Leader of JUG Bodensee

• Member of NetBeans Dream Team

• NetBeans Community Acceptance Testing (NetCAT)

• Duke‘s Choice Award Winner

• Java One Content Committee

• Java Champion

• JCP Associate Member

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About Martin Klähn

• Software Engineer @ Airbus Defence and Space

• Co-Founder of JUG Bodensee

• Member of NetBeans Dream Team

• NetBeans Community Acceptance Testing (NetCAT)

• JCP Associate Member

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Agenda

• History

• Software

• Hardware

• DIY

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The History

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The Challenge

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The Founding Team

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First Sprint Result

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Disapproved by Customer

Second Sprint Result

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Devoxx 2014

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Approved

Devoxx 2015 Edition

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2015 Team

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The Software

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The Layout Problem

• How to arrange words in a two dimensional space?Solution => Look for Wordle • http://static.mrfeinberg.com/bv_ch03.pdf

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The Layout Algorithm

For each word w in sorted words: placementStrategy.place(w)

while w intersects any previously placed words:move w a little bit along a spiral path

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The TweetWallFX Layout

• TweetWallFX follows the idea of the Wordle algorithm

• Improvements possible

• Speed

• Reduce whitespace (compact appearance)

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The Implementation

• Implemented in pure JavaFX

• Built using Gradle

• Lives on GitHub

• https://github.com/TweetwallFX

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The Hardware

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The JavaOne Hardware

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The Devoxx Hardware

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The How-To

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DIY TweetWallFX

• Clone the repository

• Add new branding project

• Add resources to branding project

• Decide on #

• Get Twitter OAuthKeys

• Run & Display

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Demo

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Q&A

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