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Building MeatText Super fast mobile development with Cordova + Backbone.js Garrett Miller @heyitsgarrett
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@heyitsgarrett
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DOODLE OR DIE
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Let’s build MeatText!
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+
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(who also have iPhones) Find My Friends
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Google:
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• Easy • Quick • Fun So let’s make sharing a location...
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• Easy • Quick • Fun (and do it in two weeks) SXSW! So let’s make sharing a location...
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Create the Instagram of Maps
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Implementation >
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Apache Cordova •HTML/CSS + JavaScript •Renders in WebView •Supplement with plug-ins
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meattext-ios - CordovaLib - MeatText - MeatText.xcodeproj - README.md - cordova - www
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meattext-ios - CordovaLib - MeatText - MeatText.xcodeproj - README.md - cordova - www - cordova-2.4.0.js - index.html - loading.gif
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meattext-ios - CordovaLib - MeatText - MeatText.xcodeproj - README.md - cordova - www - cordova-2.4.0.js - index.html - loading.gif
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index.html
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index.html
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TROJAN HORSE
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LIVE DEMO
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Main viewport
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•Stop tying data to the DOM •Turns your data into a Model •Listens for attribute changes, updates the Model
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When the model changes, the view updates
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When the model changes, the view updates PERFECT FOR MOBILE!
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http://tiny.cc/bt7yuw
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. . .
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Model attributes
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“coffee”
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Events
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Events
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Attribute Changes
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GOTCHAS
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position: absolute/fixed is your friend
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Main viewport
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Animating CSS Transform = Jumpy
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Animating CSS Transform = Jumpy X translate3D
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translate3D
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this is not always this
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model.set(...) var model = this.model;
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max file size in WebView <= 5 megapixels
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width * height ≤ 5 * 1024 * 1024
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width * height ≤ 5 * 1024 * 1024 width * height ≤ 3 * 1024 * 1024 on devices with less than 256 RAM:
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elastic scrolling
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-webkit-overflow-scrolling: touch;
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300ms tap delay
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ghost clicks
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fastclick/onpress plugins fix the delay and ghost clicks
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@heyitsgarrett
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meattext.com