firefox os workshop @ serbia & montenegro
TRANSCRIPT
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Firefox OSUnicorns and rainbows
Jan Jongboom
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@janjongboom
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You already have created an app
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Embrace the phone
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The mobile web is broken
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We’re back in 1999
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We’re back in 1999
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No AJAX?!
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-webkit-prefix
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Let’s open up the mobile web
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Firefox OS app=
website + W3C proposed phone APIs
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The web is awesome
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So let’s get going... (nothing fancy yet)
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github.com / comoyo / ffos-list-detail
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“Firefox OS Simulator”
github.com / comoyo / ffos-list-detail
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github.com / comoyo / ffos-list-detail
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http://localhost:8081/manifest.webapp
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github.com / comoyo / ffos-list-detail
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github.com / comoyo / ffos-list-detail
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github.com / comoyo / ffos-list-detail
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није лоше!
github.com/comoyo/ffos-list-detail
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Now get funky!
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Architecture
KernelDevice Drivers
Hardware Abstraction Layer
BrowserJavascript engine
APIs for hardware access
User facing apps (HTML/CSS or WebGL)Gaia
Gecko
Gonk
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Unleash the power of WebAPIs
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Regular APIs• Vibration• ScreenOrientation• GeoLocation• MouseLock• OpenWebApps• NetworkInformation• BatteryStatus• Alarm• WebActivities
• PushNotifications• WebFMApi• WebPayment• IndexedDB• AmbientLightSensor• ProxyimitySensor• Notification
Yellow = Approved by W3C
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Certified APIs• WebTelephony• WebSMS• IdleAPI• SettingsAPI• PowerManagementAPI• MobileConnectionAPI• WiFiInformationAPI
• WebBluetooth• PermissionsAPI• NetworkStatsAPI• CameraAPI• Time/ClockAPI• Attentionscreen• Voicemail
Requires certification process
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Your phone is aware of your
surroundings, take advantage!
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https://github.com/robnyman/Firefox-OS-Boilerplate-App
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Application bus
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Hey I need an image!
Sure, I can provide you with one!
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Web activities
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I NEED AN ADULT!
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https://developer.mozilla.org/en-US/docs/WebAPI
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Offline
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Dealing with offline
• Have the necessary application files available
• Cache server side data
• Store app state on device
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Storing data
• Local Storage
• IndexedDB
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Limited storage!
Ask for more through manifest
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Two types of apps
• Hosted
• Assets on the server
• Cacheable via appcache
• Packaged
• ZIP archive with assets
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Caching with appcache
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ZIP
• One big zip file
• Resources loaded from zip file
• Still requires manifest file
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One more thing...
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The app manifest file
• Has name, description, version for market place
• Define permissions (calling, storage)
• Web activity provider (I provide images!)
https://marketplace.firefox.com/developers/docs/manifests
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Get hacking!
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Questions?
Twitter: @janjongboom
slideshare.net/janjongboom