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MichaelBetancourt-Project-partA - WiFind Michael Betancourt...

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Unformatted text preview: WiFind Michael Betancourt EEL6788 Dr. Damla Turgut Problem Statement Internet connectivity can be unreliable Downed service Heavy reliance on being online Open WiFi networks are out of reach Travel/Moving Trial and error Many routers do not have security Place those on the network at risk Invasion of privacy Design Overview Backend Google Apps Engine Database Mobile Sensing Platforms WiFind Website Technologies Utilized Android Application (Nexus One) SQLite Database Sensor Management HttpPost Transfers Website Client Google Web Toolkit Google Maps API Server Google Web Toolkit Google Apps Engine Java Data Objects Geomodel Technical Difficulties Android Programming Practices Good models are not documented Transferring Data from Android to server Did not have experience in the area Google Apps Engine Lack of full SQL/JDOSQL support Convoluted exceptions Geocell Modeling Originally written in python Java port needed to be tweaked Lessons Learned Use Application Programing Interfaces (API) and libraries Realize the limitations of the platforms chosen Develop in pieces and slowly combine When possible, develop in simulators to speed up development http://stackoverflow.com/ - a great resource Google's geocoding is amazing Backup the codes Have a mobile workspace Synchronized bookmarks Same development tools Links Google Apps Engine JDO Storage http://code.google. com/appengine/docs/java/gettingstarted/usingdatastore. html GeoModel http://code.google.com/apis/maps/articles/geospatial.html http://code.google.com/p/javageomodel/ Google Web Toolkit http://code.google.com/webtoolkit/ WiFind http://mikebetawifind.appspot.com/ ...
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