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Contents
1 Introduction................................................................................................................................................ 7
1.1 Chapter Topics...........................................................................................................................................7
2 Guidelines for Design................................................................................................................................ 8
2.1 Applications for Mobile Use...................................................................................................................8
2.2 Validating WML .........................................................................................................................................8
2.3 GPRS Usability............................................................................................................................................8
2.3.1 No changes required by developers ...................................................................................8
2.3.2 Cache utilization........................................................................................................................8
2.3.3 Usability tips ...............................................................................................................................8
2.3.4 Infrastructure optimization...................................................................................................9
2.4 Site Organization......................................................................................................................................9
2.4.1 Doormat pages...........................................................................................................................9
2.4.2 Login..............................................................................................................................................9
2.4.3 Detecting the browser.............................................................................................................9
2.4.4 Optimizing for size....................................................................................................................9
2.4.5 The first screen........................................................................................................................10
2.5 Pictures and Tables...............................................................................................................................10
2.6 Efficient Navigation ..............................................................................................................................10
2.7 Search........................................................................................................................................................10
2.8 Titles and Element Labels...................................................................................................................10
2.9 Error Messages and Confirmations..................................................................................................11
2.10 A Usability Test.......................................................................................................................................11
3 Introduction to the User Interface......................................................................................................12
3.1 Nokia Phones with 96 x 65 Pixel Screen Resolution.................................................................. 12
3.2 User Interface Hardware – Keys and Display................................................................................12
3.2.1 Two Soft Key Display .............................................................................................................12
3.2.2 Keys in Two Soft Key User Interface.................................................................................13
3.3 Display Fonts...........................................................................................................................................13
3.4 Accessing the WAP Browser...............................................................................................................13
3.5 Navigation, Labels, and Titles ...........................................................................................................13
3.6 Scrolling....................................................................................................................................................14
3.7 Picture Viewer ........................................................................................................................................14
3.8 Cache .........................................................................................................................................................14
4 WML Elements for the Nokia User Interface .....................................................................................15
4.1 Text Formatting .....................................................................................................................................15
4.1.1 Paragraph and content alignment...................................................................................15
WAP Service Developer's Guide for Nokia Series 30 Phones with WML Browser
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