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Design Methodology Tools for UI Development

This chapter introduces design methods and tools for user interface (UI) development, emphasizing natural-language vs. formal/semiformal methods like grammars and transition diagrams. It explores User-Action Notation (UAN), Backus-Naur Form (BNF), Computer-Assisted Software Engineering (CASE), and complexity issues. It emphasizes UI Independence, project management, and rapid prototyping for iterative design. Tools aim to increase productivity, support multiple platforms, and engage stakeholders.

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Design Methodology Tools for UI Development

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  1. Chapter 5 Andrew Bates Jay Babb Steve Haroz

  2. Introduction “Log Cabin” Analogy Design before Implementation

  3. Specification Methods • Natural-language vs. formal/semiformal • Grammars • Menu-tree Structures • Transition Diagrams • User Action Notation (UAN)

  4. Grammars • Backus-Naur Form (BNF) <Telephone book entry> ::= <Name> <Telephone number> <Name> ::= <Last name>, <First name> <Last name> ::= <string> <First name> ::= <string> <string> ::= <character> | <character><string> <character> ::= A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z <Telephone number> ::= (<area code>) <exchange>-<local number> <area code> ::= <digit><digit><digit> <exchange> ::= <digit><digit><digit> <local number> ::= <digit><digit><digit><digit> <digit> ::= 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9

  5. Transition Diagrams • Computer-Assisted Software Engineering (CASE) • Complexity issues

  6. User-Action Notation (UAN) User Actions Interface Feedback Interface State ~[file] Mv file!, forall(file!): file-! selected = file ~[x,y]* outline(file) > ~ ~[trash] outline(file) > ~, trash! M^ erase(file), trash!! selected = null

  7. UI Building Tools • UI Independence • Separate interface design from internals • Enable multiple UI strategies • Enable multiple platform support • Establish role of UI architect • Enforce standards

  8. UI Building Tools (cont.) • Methodology and Notation • Develop design procedures • Find ways to talk about design • Create Project Management • Rapid Prototyping • Try out ideas early • Test, revise, test, revise… (iterative design) • Engage end users, managers, and customers

  9. UI Building Tools (cont.) • Software Support • Increase Productivity • Offer constraint and consistency checks • Facilitate team approaches • Ease maintenance

  10. Design Tools

  11. Design Tools

  12. Design Tools

  13. Design Tools

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