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Screen Layout Usability
One of the most frequently asked questions is "for what screen resolution should we design our app?" Also most of the mobile devices enables user to switch between portrait and landscape orientation. Also the testing criteria UNI-10 says: The application should function and render its display as specified, regardless of the device screen resolution and format. Thus design application in such a way that it match the display resolution.
Some usability guideline
- Make sure that the application's content is easy to view and interact with when displayed in either resolution.
- Display a proper message if user switch to the mode which is not supported by your application.
- Design each control of application in such a way that it will resize itself when user change resolution.
- You should take care of menu, dialogs also if you are creating a custom menu & dialogs.