User Interface Design for Programmers 2011 phần 3 ppsx

... options. 20 Chapter 4: Affordances and Metaphors Overview Developing a user interface where the program model matches the user model is not easy. Sometimes, your users might not have a concrete ... unloved briefcase A metaphor badly chosen is worse than no metaphor at all. Unfortunately, desktop user interface designers feel that they're breaking some kind of law if they...

Ngày tải lên: 14/08/2014, 00:21

... A user interface is well designed when the program model conforms to the user model. That's it. Almost all good user interface design comes down to bringing the program model and the user ... the designers' responsibility to make these choices for them so that they don't have to. It is the height of arrogance for a software designer to inflict a choice lik...

Ngày tải lên: 14/08/2014, 00:21

... the user interface designers, who don't like to hear that 30 % of the "users" failed to complete the task. Now, it probably shouldn't. In the real world, those "users" ... When you're designing for extremes with software, the three most important "extremes" to remember are: 1. Design for people who can't read. 2. Design for...

Ngày tải lên: 14/08/2014, 00:21

... talent to improve any user interface, from traditional GUI applications to Web sites to consumer electronics. Table of Contents User Interface Design for Programmers Foreword Introduction ... we think we're designing for users, but no matter how hard we try, we're designing for who we think the user is, and that means, sadly, that we're desi...

Ngày tải lên: 14/08/2014, 00:21

... but I believe it was something like one or two programs for the average DOS user versus twelve programs for a Mac user. Because all 37 In Chapter 4, I talked about how nifty tabbed dialogs ... and for me, the inevitable three-second delay when you click on a page is starting to get pretty annoying. There's an unwritten children's bedtime 33 Figure 5 -3: Microsof...

Ngày tải lên: 14/08/2014, 00:21

... When you design user interfaces, it's a good idea to keep two principles in mind: 1. Users don't have the manual, and if they did, they wouldn't read it. 2. In fact, users can't ... your program's user interface and give us all a break. Pretend that we are gorillas or maybe smart orangutans and that we have trouble with the mouse. Then, design your int...

Ngày tải lên: 14/08/2014, 00:21

... Imaginary Users The best UI designers in the industry may bicker among themselves, but they all agree on one thing: you have to invent and describe some imaginary users before you can design your ... Obviously, designing software for Pete is quite different from designing software for Patricia, who, in turn, is quite different from Mike, a sixteen-year-old who runs Linux at home,...

Ngày tải lên: 14/08/2014, 00:21

... "that 73% of the participants were able to accomplish the main tasks of the product." A cheer goes up. Sounds pretty good! "However, we've discovered that 23. 3% of the users had ... sixth tester and is virtually zero by the twelfth user. This is not science here; it's digging for truffles. Take about 3 or 4 pigs out to the forest, let them sniff around and y...

Ngày tải lên: 14/08/2014, 00:21

... means which. The general rule for how to use color was best stated by Web designer Diane Wilson: " ;Design in black and white. Add color for emphasis, when your design is complete." Strange ... which are beyond the scope of this book. In fact, there are whole books on the topic. But for user interface design, there are three crucial things you should try to keep i...

Ngày tải lên: 14/08/2014, 00:21

... sites get paid for every ad they show you, and they are generally happy to ruin their user interfaces if it means a few more advertiser dollars. HTML Is Not a Windowing System 93 features ... wipe up the tea before it ruins another keyboard. Frustrating, huh? Most designers of email-on-the-Web interfaces are aware of this time lag, and they've compensated for it by puttin...

Ngày tải lên: 14/08/2014, 00:21