Manuale d’uso / di manutenzione del prodotto R380 del fabbricante Ericsson
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e LZT 108 3339 Mobile Phone R3 8 0 Design Guidelines for W A P Services.
WAP TM an d WAP Forum TM are regis tered tradem arks of th e WAP Forum , LTD., a regis tered company in the Un ited Kingdom. First edition (Novem ber 1999) This docum ent is publi shed by Ericsso n Mo bile Co mm unica tions AB , without an y w arranty .
1 Contents PREFA CE _______________________________________________ 2 Who Should Read this Guide? 2 Overview of Contents 2 Related Publications 2 Ericsson Publica tions 2 Other Publica tions 2 Termin .
2 PREFACE This docum ent describes h ow to desig n WA P servi ces for t he Erics son Mobil e Phone R 380. Who Should Read this Guide? This document is inten ded for developers of WAP services who w ant a deeper insigh t into desig nin g applicat ions f or th e Ericsson R380 WA P brow ser.
3 [3] WAP W ireles s Markup Language Specification, Vers ion 1.1 Versi on 16-JU N-1999 Wireless Appl ication Protocol Foru m, Ltd. ht t p : // www. wa p f o r um.
4 GENERAL USABILITY ASPECTS When it comes to designin g any kind of electronic serv ice, simplicity is the key to gaining acceptance and appreciation f rom users. Sim plicity is even m ore im portant in a mobile environ men t since th e user often needs to concen trate on other th ings as w ell as usin g the termin al.
5 USER INTERFACE ISSUES The Brows er D isplay The Ericsson R 380 display is a g rey s cale black an d w hite t ouchscreen w ith a res olution of 360x120 pixe ls w ith 0.
6 Toolbar The Toolbar is an area containi ng bu ttons required by the browser. The On -screen Keybo ard Text input is done w ith on-s creen key boards or a character recognition screen. Three differen t key board layou ts are available: an alph a layou t, a num eric lay out and a lay o ut w ith n ational characters.
7 DESIGN COMPONENTS This chapter giv es an ov erview of th e graphical u ser interf ace com ponents an d a description of their correspondin g WML elem ents . These items are then us ed w hen desi gnin g WAP services . The “Look and Feel ” of th e compon ents is described an d gu idelines are m ade on com ponen t usage.
8 A text formatti ng example <wml> <card id="first" title="Pizza Penguin" newcontext="true"> <p align="center"> <br/> <b><big><a href="#second">Welcome</a></big></b><br/> to<br/> The Mobile Way of Ordering Pizza.
9 Paragr aphs Text on a WML card com p rises one or m ore paragraphs. A paragraph alw ays starts on a new line and is preceded by an extra line s pace of 3 pixels. Text within a paragraph is by default display ed left aligned. How ever, it can optionally be display ed rig ht ali gne d or centered.
10 Indented Par agra phs Related text and other componen ts can be grouped together to increase usability . Such g roups can be nes ted. Each group is indented 20 additional pixels and preceded b y an extra line space of 3 pixels. A header in bold font can optionally precede a group.
11 The Car d Title Ba r See Card Title B ar on page 5. WML The title in the Card Title bar is d efined by using the title attribute in the card elem ent. Using Sele ct Lists A select list is an inpu t component that specifies a list of options for the user to choose from .
12 The option element Text in the option elem ent content is us ed in the drop-down list. The title at tribute i s not s upported. A n example of a single ch oice list <p> <b>Select Pizza&.
13 The select element A ttribute Descripti on multiple The multiple attr ibute can take the f ollowing values: Yes and No . The def ault value is No . To c reate a m ultiple choice lis t, this attribute is set to Yes .
14 WML Butto ns are defi ned b y using the do elemen t. Pressing the button invokes the action defined in the do elem ent. The R380 support s the f ollow in g attribu tes: A ttribute Descripti on label The value of the label attribute is used as text on the button.
15 Touching the screen any wh ere in an in put field m akes the key board, or character recognition screen, appear (see The On -screen Keyboard abov e).
16 How ever, the R380 u ser can ch oose not to load im ages at all. In this case, th e placeholder is perman ent. There is no limitation on th e height of an im age. A u ser m ust scroll in order to view a large imag e. Howev er, if the im age is w ider than th e browser area, only the lef tmost part of the im age is visible .
17 A n image example <p align="center"> <img alt="baker"src="baker.gif" vspace="5" width="40" height="30"/><br/> <b>The oven is turned on, and your pizza will be delivered just in time.
18 Using I mages as Hyperl i nks An im age can also serve as a lin k. By def ault, there are n o differences in im age lay out if th e im age serv es as a lin k or not. H owe ver, the R 380 brow ser can be s et to sh ow imag e link s w ith a fram e of 1 black an d 1 w hite pixel.
19 In addition to text and imag es, tables can also contain hy perlinks and imag es used as hy perlinks. WML The table elem ent is u sed together w ith tr an d td to create a set of alig ned colum ns of text and im ages. The tr elem ent is used as a con tainer to hold a s ingle table row .
20 <tr> <td>Rain</td> <td>Overcast</td> <td>Partly Cloudy</td> <td>Sunny</td> <td>Sunny</td> </tr> <tr> <td>5-10&.
21 THE PIZZA PENGUIN EXAMPLE Below is a com plete WML code listing from a WAP dem onstration application. The examples in the previous chapters w ere m ainly selected from th is application. <?xml version="1.0"?> <!DOCTYPE wml PUBLIC "-//WAPFORUM//DTD WML 1.
22 <p> <b>Select Extras</b> <select title="Extras" multiple="true"> <option>Mushrooms</option> <option>Mozzarella</option> <optio.
23 </p> </card> <card id="sixth" title="Oven On"> <p align="center"> <img alt="baker" src="baker.gif" vspace="5" width="40" height="30"/><br/> <b>The oven is turned on, and your pizza will be delivered just in time.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Ericsson R380 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Ericsson R380 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Ericsson R380 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Ericsson R380 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Ericsson R380, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Ericsson R380.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Ericsson R380. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Ericsson R380 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.