To create the security roles in the EAR deployment descriptor, use the role Mapping button.

要在EAR部署描述符中创建安全性角色，使用Role Mapping按钮。

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Click the New button to create a default mapping model and give it an appropriate name.

单击new按钮，创建一个默认的映射模型，赋给一个适合的名称。

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Click the Edit Mapping button to bring up the dialog box shown in Figure 10.

单击Edit Mapping按钮，出现如图10所示的对话框。

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Click the E-Fn button on the bottom right, and you can actually reassign the button mapping on the back to your liking on the display.

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Nyko's complementary Playground app will offer backwards compatibility for other Android games and a variety of button-mapping features, including customized controller layout.

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And thanks to the smart button-mapping, I find the use of skills and potions, etc. just as simple (if not more so) than using a keyboard.

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