tailieunhanh - Flash CS4 All-in-One For Dummies- P19

Flash CS4 All-in-One For Dummies- P19: Welcome to Flash CS4 All-in-One For Dummies. Our goal when writing this book was to share our enthusiasm for Flash and, at the same time, demystify the application. You can do so many things with Flash that it becomes mind boggling. The minibooks in this reference are designed to take the boggle out of your mind and show you how to use Flash to create Web banners, animations, and other delights. We also delve into the topics of ActionScript and Flash video. | The Check Box and Radio Button Making Life Easier for the User 517 This time you see all six selections as shown in Figure 2-5. The List component on the Stage however still shows only five because of the limitations of using the Component Inspector with the List component. Figure 2-5 Display of added selection. Book VII Chapter 2 When you use components be sure to check what properties they have in addition to those shown in the Component Inspector panel. The Check Box and Radio Button Making Life Easier for the User Some years back Steve Krug wrote a popular book on human-computer interfaces HCI Don t Make Me Think New Riders 2005 . Krug was referring to a simple UI that could be easily and intuitively navigated by the user. The clearest UIs which you may remember from HTML forms are the humble check box and radio button. If users have to ponder what you re selling explaining or displaying they re likely to click the Back button in their browsers and never return to your site. Especially when you re asking users to fill out a form or perform some other chore making things simple and not making users think keeps everyone happy. The best no-brainer UI pair consists of the CheckBox and RadioButton components. You also find ActionScript classes of the same names. With check boxes all the user has to do is to check all the listed items that apply as Using Flash Components 518 The Check Box and Radio Button Making Life Easier for the User many or as few as he wants. What more the selections can be short or long but the size of the check box is unchanged. The only difference between check box and radio buttons is that radio buttons are mutually exclusive. In a group of radio buttons only one can be selected. If you ask a user to select a dog breed such as Collie Poodle or Bulldog radio buttons are good to use because a dog can be only a single breed. Breeds are mutually exclusive. If your dog is a collie it can t also be a poodle. Where s the Mutt button Reading results