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Lezione del Prof. Silvano Natalizi maggio 2009 Java cellulari

Specifica del programma ,[object Object],[object Object],[object Object],[object Object],[object Object]

Inserimento dei dati ,[object Object],[object Object],[object Object]

Form per l’inserimento dei dati ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Diagramma delle classi della interfaccia utente

Che cosa è una Form ? ,[object Object],[object Object],[object Object],[object Object],[object Object]

Display class ,[object Object],[object Object],[object Object]

Un oggetto di tipo Display ,[object Object],[object Object],[object Object],[object Object]

Codice per costruire la Form ,[object Object],[object Object],[object Object],[object Object],[object Object]

Casella di testo ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Come creare una casella di testo ,[object Object],[object Object]

Per aggiungere le caselle di testo alla form ,[object Object],[object Object],[object Object]

Riepilogo del codice che visualizza una form ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Fine della prima parte ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Creare un bottone per memorizzare i dati ,[object Object]

Come può il programma exit? ,[object Object],[object Object],[object Object]

Event Handling with Command s ,[object Object],[object Object],[object Object],[object Object]

Command O bjects ,[object Object],soft-buttons

Command O bjects ,[object Object]

Use Command objects ,[object Object],[object Object],[object Object],[object Object],[object Object]

Creare un Command ,[object Object],Command Meaning BACK returns to the previous screen. CANCEL standard negative answer to a dialog EXIT for exiting from the application. HELP a request for on-line help. ITEM specific to the items of the Screen or the elements of a Choice. OK standard positive answer to a dialog SCREEN an application-defined command STOP A command that will stop some currently running process, operation, etc.

Create a Command ,[object Object],[object Object],[object Object],[object Object],[object Object],label type priority

P riority ,[object Object],[object Object],[object Object]

Responding to Commands ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Example ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Abstract method of CommandListener. Will be called when any command in the Form is selected.

Another Command Example (Two Forms) Launch Exit Exit 2nd Form Go to First Form

Another Command Example (Two Forms) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Another Command Example (Two Forms) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Another Command Example (Two Forms) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Ora inseriamo i comandi nella nostra applicazione ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Per aggiungere i comandi nella form ,[object Object],[object Object],[object Object]

Lanciando il programma : Comando per uscire Comando per inserire i dati

Settare l’ascolto dei comandi ,[object Object],[object Object]

Dare ai comandi un lavoro da fare ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Il lavoro di inserimento dati ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Apertura del RecordStore ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Chiusura del RecordStore ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

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