Mobile Development across Different Platforms @ Immobilienscout24
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Transcript of Mobile Development across Different Platforms @ Immobilienscout24
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Mobile Development across Different Platforms
www.immobilienscout24.de
Berlin | 13.02.2012 | Hasan Hoşgel & Thomas Kummert
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About us ...
Hasan Hoşgel, @alosdev
Senior Developer
Mobile enthusiast, Man of action
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About us ...
Thomas Kummert, @kummibaer
Developer
Pragmatic developer
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| Titel der Präsentation | Autor der Präsentation
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ImmobilienScout24 Germany‘s leading real-estate portal
550 employees, 170 in the IT
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| Titel der Präsentation | Autor der Präsentation
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ImmobilienScout24 Germany‘s leading real-estate portal
550 employees, 160 in the IT
> 6 Million unique users > 2 Billion PI > 180 Million Expose views ~ 1.5 Million active listings > 110,000 Vendors ... per month
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| Titel der Präsentation | Autor der Präsentation
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ImmobilienScout24 Germany‘s leading real-estate portal
550 employees, 160 in the IT
2 datacenter ~100 physical ~800 virtual ... machines
> 6 Million unique users > 2 Billion PI > 180 Million Expose views ~ 1.5 Million active listings > 110,000 Vendors ... per month
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The Creators
2010-08 (no team): 1 x developer
2012-02 (2 teams): 7 x developer 2 x QA-engineer 2 x product manager 1 x designer
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The Creators
11 applications 1 Mobile site > 2.2 Mio Downloads > 7.8 Mio Visits > 20% mobile traffic
2010-08 (no team): 1 x developer
2012-02 (2 teams): 7 x developer 2 x QA-engineer 2 x product manager 1 x designer
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The Creators
2010-08 (no team): 1 x developer
2012-02 (2 teams): 7 x developer 2 x QA-engineer 2 x product manager 1 x designer
Agile development Scrum/ Kanban
11 applications 1 Mobile site > 2.2 Mio Downloads > 7.8 Mio Visits > 20% mobile traffic
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Native, hybrid or webapp?
http://www.flickr.com/photos/y_i/2330044065/sizes/l/in/photostream/
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Native, hybrid or webapp?
http://www.flickr.com/photos/y_i/2330044065/sizes/l/in/photostream/
Depends on application, environment and user needs
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Native, hybrid or webapp?
http://www.flickr.com/photos/y_i/2330044065/sizes/l/in/photostream/
Depends on application, environment and user needs
- User-interface - Responsive design
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Native, hybrid or webapp?
http://www.flickr.com/photos/y_i/2330044065/sizes/l/in/photostream/
Depends on application, environment and user needs
- User-interface - Responsive design
- Hardware - Device features - Security
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Native, hybrid or webapp?
http://www.flickr.com/photos/y_i/2330044065/sizes/l/in/photostream/
Depends on application, environment and user needs
- User-interface - Responsive design
- Hardware - Device features - Security
- External resources - Performance
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Native, hybrid or webapp?
http://www.flickr.com/photos/y_i/2330044065/sizes/l/in/photostream/
Depends on application, environment and user needs
- User-interface - Responsive design
- Hardware - Device features - Security
- Development - Technologies - Knowledge
- External resources - Performance
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Native, hybrid or webapp?
http://www.flickr.com/photos/y_i/2330044065/sizes/l/in/photostream/
Depends on application and user needs
- User-interface - Responsive design
- Hardware - Device features - Security
- Development - Technologies - Knowledge
- External resources - Performance
There is no „the right“ solution to fit every demand.
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Native, hybrid or webapp?
http://www.flickr.com/photos/y_i/2330044065/sizes/l/in/photostream/
Depends on application and user needs
- User-interface - Responsive design
- Hardware - Device features - Security
- Development - Technologies - Knowledge
- External resources - Performance
There is no „the right“ Solution to fit every demand.
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Native, hybrid or webapp?
Android & IOS will be supported Two Mainstream applications è native
Other applications can choose
Future: Mobile website with responsive Design & HTML 5
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Infrastructure
http://www.flickr.com/photos/theplanetdotcom/4878805439/in/photostream/
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Infrastructure
CI-Server: > SSD > Ubuntu 32-Bit > Jenkins > ADT
http://www.flickr.com/photos/theplanetdotcom/4878805439/in/photostream/
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Infrastructure
CI-Server: > SSD > Ubuntu 32-Bit > Jenkins > ADT
Repository: > Nexus
http://www.flickr.com/photos/theplanetdotcom/4878805439/in/photostream/
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Infrastructure
CI-Server: > SSD > Ubuntu 32-Bit > Jenkins > ADT
Repository: > Nexus
VCS: > SVN
http://www.flickr.com/photos/theplanetdotcom/4878805439/in/photostream/
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Infrastructure
CI-Server: > SSD > Ubuntu 32-Bit > Jenkins > ADT
Repository: > Nexus
VCS: > SVN
Errorreporting: > Hockeyapp
http://www.flickr.com/photos/theplanetdotcom/4878805439/in/photostream/
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Infrastructure
CI-Server: > SSD > Ubuntu 32-Bit > Jenkins > ADT
Repository: > Nexus
VCS: > SVN
~20 Android devices
Errorreporting: > Hockeyapp
http://www.flickr.com/photos/theplanetdotcom/4878805439/in/photostream/
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Infrastructure
CI-Server: > SSD > Ubuntu 32-Bit > Jenkins > ADT
Repository: > Nexus
VCS: > SVN
~20 Android devices
Errorreporting: > Hockeyapp
Build-Tools: > Maven > Maven-Android-Plugin > Android-Jenkins-Plugin > Eclipse + ADT
http://www.flickr.com/photos/theplanetdotcom/4878805439/in/photostream/
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Architecture
http://www.flickr.com/photos/designandtechnologydepartment/4029381213/in/photostream/
UI
services
filesystem sensors database network
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http://www.flickr.com/photos/designandtechnologydepartment/4029381213/in/photostream/
Exposeview
expose service
database network memory
Architecture example
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Used Frameworks
http://www.flickr.com/photos/designandtechnologydepartment/4029381213/in/photostream/
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Used Frameworks
http://www.flickr.com/photos/designandtechnologydepartment/4029381213/in/photostream/
Signpost (OAuth client)
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Used Frameworks
http://www.flickr.com/photos/designandtechnologydepartment/4029381213/in/photostream/
Signpost (OAuth client)
RoboGuice (dependency
injection)
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Used Frameworks
http://www.flickr.com/photos/designandtechnologydepartment/4029381213/in/photostream/
Signpost (OAuth client)
RoboGuice (dependency
injection)
JSoup (HTML parser)
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Used Frameworks
http://www.flickr.com/photos/designandtechnologydepartment/4029381213/in/photostream/
Signpost (OAuth client)
RoboGuice (dependency
injection)
JSoup (HTML parser)
Robotium (like selenium/
webdriver)
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Backend API
http://www.flickr.com/photos/roll_initiative/3305000778/in/photostream/
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Backend API
http://www.flickr.com/photos/roll_initiative/3305000778/in/photostream/
Best Cross-Platform approach:
create an API
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Backend API
http://www.flickr.com/photos/roll_initiative/3305000778/in/photostream/
Best Cross-Platform approach:
create an API
Rest-API resource oriented
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Backend API
http://www.flickr.com/photos/roll_initiative/3305000778/in/photostream/
Rest-API resource oriented
Json/ XML
Best Cross-Platform approach:
create an API
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Backend API
http://www.flickr.com/photos/roll_initiative/3305000778/in/photostream/
Rest-API resource oriented
Json/ XML „eat your own
dog food“
Best Cross-Platform approach:
create an API
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Backend API
http://www.flickr.com/photos/roll_initiative/3305000778/in/photostream/
Best Cross-Platform approach:
create an API
Rest-API resource oriented
Json/ XML „eat your own
dog food“
Don‘t create client dependent APIs
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Backend API – Best Practices
http://www.flickr.com/photos/familymwr/4927926523/in/photostream/
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Backend API – Best Practices
http://www.flickr.com/photos/familymwr/4927926523/in/photostream/
versioning
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Backend API – Best Practices
http://www.flickr.com/photos/familymwr/4927926523/in/photostream/
versioning downward compatible
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Backend API – Best Practices
http://www.flickr.com/photos/familymwr/4927926523/in/photostream/
versioning downward compatible
OAuth support
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Backend API – Best Practices
http://www.flickr.com/photos/familymwr/4927926523/in/photostream/
versioning downward compatible
communicate: upward compatibility
OAuth support
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Backend API – Best Practices
http://www.flickr.com/photos/familymwr/4927926523/in/photostream/
versioning downward compatible
communicate: upward compatibility
different views
OAuth support
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Backend API – Best Practices
http://www.flickr.com/photos/familymwr/4927926523/in/photostream/
versioning downward compatible
communicate: upward compatibility
different views
addable features
OAuth support
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Backend API – Best Practices
http://www.flickr.com/photos/familymwr/4927926523/in/photostream/
versioning downward compatible
communicate: upward compatibility
different views
addable features
OAuth support
help caching: Modified-Since- &
Etag-Header
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Backend API – Best Practices
http://www.flickr.com/photos/familymwr/4927926523/in/photostream/
versioning downward compatible
communicate: upward compatibility
different views
addable features
OAuth support
help caching: Modified-Since- &
Etag-Header
offer playground
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Android Best Practices
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Android Best Practices
test
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Android Best Practices
test test
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Android Best Practices
test test test
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Android Best Practices
test test test on all emulators
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Android Best Practices
test test test on all emulators
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Android Best Practices
test test test on all emulators
available devices
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Android Best Practices
test test test on all emulators
Don‘t recycle images >Gingerbread
è process‘ crash
available devices
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Android Best Practices
test test test
on all emulators
Don‘t recycle images >Gingerbread
è process‘ crash test test test on all emulators
available devices Remove dialogues in onSavedInstanceState
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Android Best Practices
Don‘t recycle images >Gingerbread
è process‘ crash
Don‘t use message.what=1006 on
LG Smartphones è ClassCastException
test test test
on all emulators
test test test on all emulators
available devices Remove dialogues in onSavedInstanceState
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Android Best Practices
Don‘t recycle images >Gingerbread
è process‘ crash
Don‘t use message.what=1006 on
LG Smartphones è ClassCastException
Json streamer vs. parser
test test test
on all emulators
test test test on all emulators
available devices Remove dialogues in onSavedInstanceState
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Android Best Practices
Don‘t recycle images >Gingerbread
è process‘ crash
Don‘t use message.what=1006 on
LG Smartphones è ClassCastException
Json streamer vs. parser AsyncTask vs. Handler
test test test
on all emulators
test test test on all emulators
available devices Remove dialogues in onSavedInstanceState
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Android Best Practices
offer StreetView, if possible: 1. create WebView 2. add JavascriptInterface 3. load data with base URL (maps.js & StreetViewService) 4. Start Intent for StreetView, if panorama exists! http://stackoverflow.com/a/4747663/495712
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Android Best Practices
offer StreetView, if possible: 1. create WebView 2. add JavascriptInterface 3. load data with base URL (maps.js & StreetViewService) 4. Start Intent for StreetView, if panorama exists! http://stackoverflow.com/a/4747663/495712
Attention: A lot of best practices
doesn‘t work on Honeycomb & higher
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http://www.flickr.com/photos/ponchopenguin/3262869038/sizes/l/in/photostream/
Forecast
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http://www.flickr.com/photos/ponchopenguin/3262869038/sizes/l/in/photostream/
Forecast
using Git
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http://www.flickr.com/photos/ponchopenguin/3262869038/sizes/l/in/photostream/
Forecast
using Git
Widget
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http://www.flickr.com/photos/ponchopenguin/3262869038/sizes/l/in/photostream/
Forecast
using Git
Widget extend IS24-API SDK
![Page 66: Mobile Development across Different Platforms @ Immobilienscout24](https://reader033.fdocuments.net/reader033/viewer/2022042706/5875eecb1a28ab006e8b45a5/html5/thumbnails/66.jpg)
http://www.flickr.com/photos/ponchopenguin/3262869038/sizes/l/in/photostream/
Forecast
using Git
Widget using new Google APIs
extend IS24-API SDK
![Page 67: Mobile Development across Different Platforms @ Immobilienscout24](https://reader033.fdocuments.net/reader033/viewer/2022042706/5875eecb1a28ab006e8b45a5/html5/thumbnails/67.jpg)
http://www.flickr.com/photos/ponchopenguin/3262869038/sizes/l/in/photostream/
Forecast
using Git tablet layout
Widget extend IS24-API SDK
using new Google APIs
![Page 68: Mobile Development across Different Platforms @ Immobilienscout24](https://reader033.fdocuments.net/reader033/viewer/2022042706/5875eecb1a28ab006e8b45a5/html5/thumbnails/68.jpg)
http://www.flickr.com/photos/ponchopenguin/3262869038/sizes/l/in/photostream/
Forecast
using Git tablet layout Google TV
layout
Widget extend IS24-API SDK
using new Google APIs
![Page 69: Mobile Development across Different Platforms @ Immobilienscout24](https://reader033.fdocuments.net/reader033/viewer/2022042706/5875eecb1a28ab006e8b45a5/html5/thumbnails/69.jpg)
http://www.flickr.com/photos/ponchopenguin/3262869038/sizes/l/in/photostream/
Forecast
using Git
code coverage
tablet layout Google TV
layout
Widget extend IS24-API SDK
using new Google APIs
![Page 70: Mobile Development across Different Platforms @ Immobilienscout24](https://reader033.fdocuments.net/reader033/viewer/2022042706/5875eecb1a28ab006e8b45a5/html5/thumbnails/70.jpg)
Thanks for your attention! Questions?
http://www.flickr.com/photos/peterjlambert/97671748/sizes/o/in/photostream/