Wrangling Apps in the Smartphone Wild West
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Transcript of Wrangling Apps in the Smartphone Wild West
© 2010 Ginsburg Design
Wrangling apps in the Smartphone Wild West
@suzanneginsburg
© 2010 Ginsburg Design
About the speaker:
Suzanne Ginsburg is a user experience consultant and author of Designing the iPhone User Experience. Visit her company web site to learn more: www.ginsburg-design.com
© 2010 Ginsburg Design
Why this talk:
The goal of this talk is to present alternative ways to address the growing fragmentation in the smartphone app world.
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Structure of talk:
We’ll start out discussing “web” apps then dive into “native” apps.
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Differences between “native” & “web” apps :
- Web apps are accessed via the browser & updated automatically (from user’s perspective)
- Native apps are downloaded & updates must also be downloaded.
- Native apps have greater access to the device hardware & content (as is stands today.)
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Now let’s get started…
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In July 2008, Apple released an API that enabled iPhone developers to create “native” apps. Along with this API came the App Store.
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For a short time, Apple was the only major smartphone app store in town.
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Innovation was off the charts.
Hundreds of apps were approved each day.
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Soon enough, others joined the app game.
Android Market (October 2008) Blackberry App World (April 2009) Windows 7 (October 2010) More exist & more are coming…
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Designers started to fret. Would they have to design their apps twice, three times, four times, or more?
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What’s a smartphone app designer to do?
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First of all, figure out if you really need to create a “native” app. Here are some questions to help you out…
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#1. What problem are you trying to solve? (Let’s assume you’ve conducted upfront user research—shadowing, diary studies, field interviews, etc.—to help answer this question.)
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Unless your solution requires OpenGL (Graphics Library), hardware access (e.g., sensors), or device content (e.g., photos) you may not need a native app.
Web apps can store data offline, access GPS info & more enhancements are coming.
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Offline access (Gmail) GPS (prop.erti.es) Game (BeatTouch)
Web App Examples:
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You may be thinking, “But my app won’t be discoverable if it’s on the web!”
There are more than 300K apps in Apple’s App Store. It ain’t easy to stand out anymore.
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Cornell University Disney Web Radio
Improving Web App Access (post discovery phase):
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#2. Does your app require multi-tasking support?
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Listen to music (Pandora) Upload photos (Flickr) Take calls (Skype)
Multi-Tasking Examples:
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If you’d like to take advantage of multi-tasking, as it stands today, you’ll need to create a native app (iOS or Android).
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#3. What is your monetization strategy?
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If you’re planning to offer subscriptions or one-time payments, it may be more profitable to sell a native app.
Drop-off rates tend to be higher for web app purchases.
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To summarize, if you need device access, multi-tasking, or micropayments, in most cases you’ll want to create a native app.
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So what now?
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You have at least 3 options to consider:
1. The One Trick Pony 2. The O.K. Corral 3. The Trojan Horse
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# 1. The One Trick Pony
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With the One Trick Pony, you may decide to design your app
for just one native platform. This may make sense if your user base is primarily on one platform, or must-have features are only on
that platform.
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Convertbot Voices Smule
One Trick Pony Examples:
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What you need to do:
- Learn the UI guidelines for the OS. - Read the device’s technical specs. - Explore related apps in depth. - Sketch, prototype & test, lots!
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UI Guidelines:
http://docs.blackberry.com/en/developers/deliverables/17965/Designing_applications_for_BlackBerry_devices_1017063_11.jsp
http://create.msdn.com/en-US/http://create.msdn.com/en-US/
http://developer.apple.com/library/ios/#documentation/userexperience/conceptual/mobilehig/Introduction/Introduction.html
http://developer.android.com/guide/practices/ui_guidelines/index.html http://www.slideshare.net/AndroidDev/android-ui-design-tips
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Sketching for different smartphone platforms is essentially the same except some may incorporate the device more than others (e.g., Android & Windows).
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Sketching:
Dane Petersen
Marcin Ignac
Daniel Chang
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Prototyping, on the other hand, can be quite different between platforms since there are many platform-specific solutions.
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First, let’s look at some platform agnostic solutions…
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Prototyping—Platform Agnostic:
HTML (Marcin Ignac)
Keynotopia + GoodReader
Paper (Braman, Lau, Nomikos)
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Prototyping—Windows 7 Paper Prototype:
Courtesy Sara Summers
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http://johnnyholland.tv/post/1257269180/prototyping-for-elmos-monster-maker-iphone-app-ideo
Prototyping—Video:
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And now some platform specific solutions…
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Prototyping—Microsoft Expression Blend:
http://www.microsoft.com/showcase/en/us/details/61ed7e86-0b1c-432e-a1fb-a882f95ec250
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Prototyping—iOS:
http://www.getreviewapp.com/
http://liveview.sourceforge.net/
http://giveabrief.com/
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Prototyping—Android App Creator:
http://appinventor.googlelabs.com/about/index.html
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Go with the One Trick Pony approach if your user base is primarily on one platform, or must-have features are only on that platform.
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# 2. The O.K. Corral
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With the O.K. Corral approach, you may design your app for 2-3 flagship platforms.
This makes sense if your users are concentrated on a small set of platforms (tip: look at your traffic data).
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What you need to do:
- Try to make initial sketches device agnostic. - Then compare device & OS differences to assess impact on user experience.
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Potential differences to keep in mind:
- Display size & resolution - Device interaction with display - Supported gestures - UI Controls - Animations - Landscape vs. Portrait
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Device Differences: Droid X vs. iPhone 4:
3.5-inch retina display 640 x 960 resolution 1 button on front
4.3-inch display 480 x 854 resolution 4 buttons on front
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Navigation Differences
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Navigation Differences
Pivots Tab Bar
Quick Actions
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Information Hierarchy
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Widgets
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Widgets
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Gesture Differences are also critical:
http://www.lukew.com/ff/entry.asp?1071
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Go with the O.K. Corral if your users are on a small set of platforms & you want to provide “pure” native experiences.
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# 3. The Trojan Horse
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With the Trojan Horse approach, you can create web apps with native app capabilities.
They are essentially web apps wrapped in native code. Also known as “hybrid” apps.
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What you need to do:
- Determine device/OS customization. - Choose tool to support your cross-platform solution (could be in-house solution).
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Device/OS customization depends on: - App genre - Device capabilities - Design strategy (philosophy?)
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There are a variety of “Trojan Horse” tools. They all use HTML for layout, JavaScript for device access, and CSS for look & feel.
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Trojan Tools:
http://www.phonegap.com http://www.appcelerator.com/
http://www.rhomobile.com/
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Trojan Examples:
Koombea with RhoMobile Jimmy Fallon with Titanium KeyPoint with PhoneGap
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And, finally, another option to keep in mind is to create a web app that can be accessed via the browser.
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Web App Tools:
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Web App Example:
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You have at least 3 (4!) options to consider:
1. The One Trick Pony 2. The O.K. Corral 3. The Trojan Horse
(4. Create a web app!)
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“Courage is being scared to death but saddling up anyway.”
John Wayne
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A special thanks to Linda Olafsdottir for her beautiful illustrations.
And thanks to Jason Grigsby, Sara Summers, David Kaneda, Jesse MacFayden, Jonathan Stark, Marty Picco, & Michael Mayo for technical advice.
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How to stay in touch:
@suzanneginsburg www.ginsburg-design.com
My book on Amazon: http://amzn.to/9NH4RC
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Thanks for coming! Questions?