are agile projects doomed to half-baked design? alex chaffee [email protected] leslie chicoine...
TRANSCRIPT
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Introduction
What is DesignWhat is Coding
XP and Agile Programming
Agile Design: How to merge Agile processes and design principles
Q&A
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Web 2.0 = ?
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Web 2.0 = play
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Web 2.0 = play faster
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Design Methods
Design
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Strategy
Graphics
User Centered
Front End Coding
User Interface
Information Architecture
InteractiveInteraction
Research
User Flow
Concepts
Design Methods
Design
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I design.
Design Methods
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Research
Thought
Modeling
Communication
Play
Re-design
Design Methods
I design.
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Coding
Coding Methods
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Model-View-Controller
Databases
JavaScript
Java
Debugging
CSS
Version Control
IDEs Research
CodingRuby
Design Patterns
UML Diagrams
Deploying
Perl
Object-Oriented Design
Best Practices
Scripting
Coding Methods
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I code.
Coding Methods
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I code.Research
Thought
Modeling
Communication
Play
Re-design
Coding Methods
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“Design is finding the problem, not the solution.”
—Leslie Chicoine
The Big Idea
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The hard problems are…
• people problems– (mis-) communication– (not enough) feedback– (not fully) comprehending constraints
• process problems– deadline and resource management– design flexibility in the face of frequent change
Where can we find a people-oriented process, and process-oriented people?
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Extreme Programming is an Agile Process
– Motto: Embrace Change– Other Agile Processes include Scrum, Crystal Clear,
Adaptive Software Development, Feature Driven Development, DSDM, Agile Modeling
XP Defined
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Extreme Programming is an Agile Process• Values
FeedbackCommunicationSimplicityCourage
XP Defined
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XP Practices
Collective Ownership
Pairing
Continuous Improvement
Continuous Integration
testing
refactoring
simple design
High code quality
Sustainable PaceOn-site Customer
design by discussion
frequent spontaneous
working sessions
Suggest and agree to process changes
”Ask the room”
“Don’t be stupid.”
retrospectives
Incremental design,
development, deployment
Weekly demos
XP Practices
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XP Cycles– Rapid Iteration, small releases
– Frequent planning/design sessions• Iteration Planning, Release Planning• Break down requirements into stories into tasks• Daily Standup• Regular All-Hands Retrospectives
– Frequent (weekly) demos• of deployed, 100% functional software• real code, real db, real ui, but only some of the stories• coders, clients, designers, PMs are all in the room
XP Cycles
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XP Meets Waterfall Design
Extreme Programming
Waterfall Design
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XP Meets Waterfall Design
Extreme Programming Waterfall Design
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XP Meets Waterfall Design
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• The three things we do in XP that any team should do
Weekly demos Daily standups Pairing
Caution: May provoke resistance and hostility
XP Staples
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Agile Design
Agile Design
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“Plans are useless, but planning is indispensable.”
-Dwight D. Eisenhower
Agile Design
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Embracing change
Communal design ownership
Evolving solutions
Agile Design
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Agile Design
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Agile Design
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“Make it OK for people to challenge an idea or two, the good ideas can withstand it and the weaker ideas fall away and make room for something [better].”
-Brad Bird, Writer/Director of the Incredibles
Agile Design
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“He’ll take good ideas from wherever they come from.”
“He asks you, he wants to know what you think.”
Agile Design
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Scales of Design
Scales of Design
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ConceptBusiness GoalsUser Tasks / MotivationsSite Flow & WayfindingSupporting SystemsNavigationWidgetsGlobal StylesLanguageButtons GraphicsFonts
Large Scale
Small Scale
Scales of Design
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The Large Scale is tested in the Small Scale.
The Small Scale reveals if the Large Scale ideas are solid.
Scales of Design
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Play faster.
Scales of Design
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Play faster.
Scales of Design
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Play faster.
Scales of Design
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Play faster.
Scales of Design
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ConceptBusiness GoalsUser Tasks / MotivationsSite Flow & WayfindingSupporting SystemsNavigationWidgetsGlobal StylesLanguageButtons GraphicsFonts
Large Scale
Small Scale
Scales of Design
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Problems vs. Solutions
Problems vs. Solutions
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“Design is finding the problem, not the solution.”
Problems vs. Solutions
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Documents as communication space
Not as blueprints
Problems vs. Solutions
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Problems vs. Solutions
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Problems vs. Solutions
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Expose and flesh out the problems
While manage constraints
Problems vs. Solutions
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Suggest solutions
Share the outcome to create buy-in
Problems vs. Solutions
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Open Design
Open Design
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Agile demands open: it’s got to be flexible and extensible.
Open Design
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Open Design
Expose to create depth.
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ConceptBusiness GoalsUser Tasks / MotivationsSite Flow & WayfindingSupporting SystemsNavigationWidgetsGlobal StylesLanguageButtons GraphicsFonts
Large Scale
Small Scale
Scales of Open Design
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Open Design
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Open Design
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Open Design
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Open Design
Small Scale as reflection of Large Scale
Design emerges from simple rules
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Designers should…
• Design a week in advance of coding• Not make your mockups pixel-perfect• Work literally side-by-side with coders when
implementing mockups• Allow coders to participate in IA/UI design —
Especially after the coding has already started
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Coders should…• Coders should ask designers… or else
– time is wasted re-working solved issues– solutions are implemented that don't work with other parts of
the designed system– coders make assumptions based on mockups
• Coders should give frequent live demos… or else– designers don't know what parts of the design are/aren't
working– designers don't know what parts of the design aren't working
together– coders don't know their code has bugs or needs tweaking
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How to integrate with an outside design company?
• Communication and feedback are naturally more stretched out
• Some unnatural (or at least un-Agile) barriers are imposed
– Time and space
– Signoff procedures
– Documentation / specs
– Perfectionism
– Mistrust
• Bring them in to your process as much as you can
• Don’t force them to adapt too much or they’ll resent and demonize you
• Iterate per-month at first, then per-week
• Invite them to your demos (remotely if need be)