community code: vgf mobility app
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Wednesday, November 2, 11
http://www.dkd.de
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d dkdevelopmentkommunikationdesign
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Showcase: VGF
Nils Dehl, Senior DeveloperVGF Verkehrs Gesellschaft Frankfurt(Frankfurt am Main Transport Company)
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About
medkdVGF
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Nils Dehl
Senior Developer
Meetup Frankfurt
next 01.11.2011
Conference Talks
Trainings
Sencha Fanboy
official ‘unofficial’ Sencha conference photographer
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is.gd/senchacon
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dkd Internet Service GmbH
owner-managed full-service internet agency
Frankfurt Germany
development, communication & design
specialized in TYPO3
Ruby on Rails
Sencha Touch / ExtJS
42 employees
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Customer-Portfolio
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VGF – everyone’s along for the ride
Frankfurt’s
transport company
city traffic service provider
more than 320 rail vehicles and 180 buses
keep's 673,000 inhabitants on the move every day
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VGF App
The AppDemoArchitectureComponents
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The VGF mobility SmartApp
stoerung.vgf-ffm.deWednesday, November 2, 11
The VGF mobility SmartApp
search for nearby barrier free stations
informs about delays
displays twitter news
Sencha Touch
iPad, iPhone & Android Smartphones
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web to mobile
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DEMOWednesday, November 2, 11
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Architecture
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Architecture systems
JSON
Malfunction Tool
HTML / JSON
VGF WebsiteCMS TYPO3
VGF SmartApp Sencha Touch
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Architecture Sencha Touch App
based on Sencha Touch version 0.98 -> 1.0.1a
MVC pattern
one class / component per file
concatenation and minification of JS for production system by Ruby on Rails
SASS Theming
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File structure and naming
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File structure and naming
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Controller
Text
viewport controller
station controllermalfunction controller
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keep the DOM clean
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Components
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search
hundreds of stations in Frankfurt
search in local store
filter by
search word
index
filtered store used map view
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list
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before optimisation
custom templates
station list with some hundred records
on mobile devices scrolling performance problem!
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DOM optimisation for large list
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split in two views
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maps
show station marker to the lists
bound to list stores
problem
breaking changes in google maps API
solution
bind to google maps version
<script type="text/javascript" src="http://maps.google.com/maps/api/ js?v=3.2&sensor=true" />
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Custom Templates
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Custom Templates
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count badges - store
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count badges - store
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count badges - store
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count badges - view
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easy twitter integration
twitter proxy
model
list view
custom template
custom bubble theming
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AD AD AD AD AD AD
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Theming
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theming
using SASS for easy theming
custom colored theme
base 64 icons / images
CSS3
shadows for content container
twitter bubbles
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Optimisation
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files
concatenate 36 JS files automatically to one file on production stage
generate one CSS file using SASS and compass
base 64 images
minify JS and CSS file
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cache manifest
created vgf.manifest file
phantomjs confess.js http://vgf-mobile.dev
<html manifest="vgf.manifest">
AddType text/cache-manifest .manifest
.htaccess with expire configuration vgf.manifest
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Conclusion
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Conclusion
use the MVC pattern
keep your DOM clean
manage DOM size in views
destroy unused views
optimize your app
use JS concatenation / minification
use cache manifest
use SASS and compass for theming
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d dkdevelopmentkommunikationdesign
thank you.
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stoerung.vgf-ffm.de
Questions???
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@nilsdehl
flickr.com/photos/nils-dehl/
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