By Jeff Cogswell
Study what usability rather is, why to try for it, and the way to accomplish it. 'Highly useable' software program is straightforward to exploit. It does what you are expecting it to. And it does it good. it is not effortless to construct yet as this e-book demonstrates, it is worth the attempt. hugely useable software program is very winning software program - and everybody wins. inside of, an finished programmer who has made usability his enterprise systematically explores the realm of programming, exhibiting you ways each element of the paintings is implicated within the usability of the ultimate product. this isn't simply an 'issues' e-book, besides the fact that, yet systematic, real-world directions for constructing purposes which are larger in each approach. As you will examine, there is no such factor as 'intuitive' software program. as a substitute, there are only the standards that make it hugely useable: simplicity, consistency, the popularity of authorised conventions, and the foregrounding of the user's perspective.With those ideas lower than your belt, you are going to fast become aware of dozens of how to make your functions extra useable: making home windows and conversation containers effortless to appreciate and use; designing software program that's time- and resource-efficient; making your software program effortless to navigate; lowering the complexity of stories and different displays of knowledge; realizing how the inaccurate programming judgements can restrict usability; making sure soft begins and forestalls; capitalizing at the usability benefits of object-oriented programming; realizing how usability impacts your product's monetary good fortune; utilizing the checking out method to enhance usability; selling usability in education, deploy, and on-line support; and, making administration judgements that might profit software program usability. a few chapters are written essentially for programmers, one essentially for managers. so much are for everybody, and all are packed with illuminating, often a laugh examples drawn from either in and out the technical international. A precious appendix offers details on criteria, usability teams, and assets for additional info
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Extra resources for Designing Highly Useable Software
Is there any redundancy that will confuse the users? • Are any of them too specific? Here’s an example. Suppose you were creating a word processor, and you came up with the following two use cases: • Turn italics on • Turn italics off So far these seem reasonable: You, as the user, highlight some text that’s not in italics, and you somehow initiate the Turn Italics On command (either through a keystroke, or a menu item, or a toolbar button). Then you realize the middle word shouldn’t be italicized, so you highlight that one word and trigger the Turn Italics Off command.
Or is it bad? The world of software has a huge division line right up the middle. On one side of the line is off-the-shelf software that targets masses of people. Off-the-shelf software has the one-size-fits-all mindset, where everybody can benefit from the same software. Most of the software people use, such as the Microsoft products, is off-the-shelf. On the other side is software that is custom-built for a particular need. This is software used in-house by businesses, usually large corporations or manufacturing plants.
They’re missing the second half, the process, which some people call a methodology. The usual process people use with UML is the Rational Unified Process. ) The Rational Unified Process, created by the same people who brought us UML (Grady Booch, Jim Rumbaugh, and our use-case pal Ivar Jacobson), is a formal set of steps that take you through the complete design and building of your software, all the way through testing and deployment. The process contains many of the usual steps you’ve come to expect out of a good methodology: requirements, analysis, design, implementation, and deployment.
Designing Highly Useable Software by Jeff Cogswell