Session 3 J2ME Mobile Information Device Profile(MIDP) API

Session :3 (30-Mar-09) - outline ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

H/W and S/W Requirement ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

H/W an S/W Requirement ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

MID Profile Architecture ,[object Object],[object Object],[object Object],[object Object],[object Object]

MID Profile Architecture (Cont.,) ,[object Object],[object Object],[object Object]

MIDlet Suite ,[object Object],[object Object],[object Object]

MIDlet suite(Cont.,) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

MIDlet Suite(Cont.,) ,[object Object],[object Object],[object Object],[object Object],[object Object]

MIDlet Suite(Cont.,) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

MIDlet Suite(Cont.,) ,[object Object]

MIDlet suite(Cont.,) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

MIDlet Suite (Cont.,) ,[object Object],[object Object],[object Object],[object Object],[object Object]

MIDlet Suite(Cont.,) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

MIDlet Suite(Cont.,) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

MIDlet ,[object Object],[object Object],[object Object],[object Object]

MIDlet LifeCycle ,[object Object],[object Object],[object Object],[object Object],[object Object],Pause Active Destroyed startApp destroyApp pauseApp destroyApp

MIDlet API Method Description Communication from application manager to MIDlet abstract void destroyApp (boolean unconditional) MIDlet is about to be shut down abstract void pauseApp() MIDlet is about to be placed into paused state abstract void startApp() MIDlet has been placed into active state Communication from MIDlet to application manager final void notifyDestroyed() MIDlet is requesting to be shut down final void notifyPaused() MIDlet is requesting to be paused final void resumeRequest() MIDlet is requesting to become active (after being paused) Attribute request from MIDlet to application manager final String getAppProperty (String key) Get attributes from JAR and/or JAD files

MIDlet StateChangeException ,[object Object],[object Object]

MIDlet StateChangeException API ,[object Object],[object Object],Constructer Description MIDletStateChangeException() Create exception object with no text MIDletStateChangeException(String s) Create exception object with text

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

Creating a Display 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]

Display API ,[object Object],Method Description static Display getDisplay(MIDlet m) Get Display object for this MIDlet Displayable getCurrent() Displayable getCurrent() Get current Displayable object void setCurrent(Alert alert, Displayable nextDisplayable) Show an Alert followed by the specified Displayable object void setCurrent(Displayable nextDisplayable) Show a new Displayable object boolean isColor() Does the device support color? int numColors() How many colors (or shades of gray) are available? void callSerially(Runnable r) Request a runnable object be called after repainting

Displayable ,[object Object],[object Object],[object Object],[object Object],[object Object]

Creating Displayable Object ,[object Object],[object Object],[object Object],Method Description void addCommand(Command cmd) Add Command to Displayable object void removeCommand(Command cmd) Remove Command from Displayable object void setCommandListener(CommandListener l) Add CommandListener to Displayable object boolean isShown() Is the Displayable object visible on the screen?

Event Handling ,[object Object],[object Object],[object Object],[object Object],[object Object]

Event Handling in Mobile Device ,[object Object],[object Object],[object Object],[object Object],[object Object]

Command Object ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Command Object Creation ,[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]

ItemObject ,[object Object],[object Object],[object Object],[object Object]

Item Listener object creation ,[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]

Session 3 J2ME Mobile Information Device Profile(MIDP) API

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Session 3 J2ME Mobile Information Device Profile(MIDP) API