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けんじはかまや
7 years ago
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1 (Tel: (FAX )) Vodafone( J-Phone) (J-SA ) JavaTM ( Vappli ) SUN ( SUN ) Java2SE(J2SDK1.3.1 Java Standard Edition) Java2MEforCLDC(WTK1.04 Wireless Tool Kit) J-Phone( Vodafone) J-SkyJava CLCD+MIDP(Connected Limited Device Configuration Mobile Information Device Profile) Vappli PC Vodefaone Vodafone Web JPEG LCD ( ) JavaTM (Vappli) J2SDK(SUN Standard Edition Java ) WTK(SUN CLDC Micro Edition Java ) J2SDK ( J2SE1.4 ) J2SDK1.4 ( i- ) 1.3 Vappli 1.4 ( :-) WTK ( Wireless Tool Kit 2.0 URL ) PC J2SDK Standard Edition Java Java ( JVM) WTK (CLDC MIDP )Micro Edition Java PC CLDC 1

2 Standard Edition Java JVM PC CLDC Micro Edition Java KVM( Java ) CPU ( ) J2SDK WTK J2SDK Vappli J2SDK 2

3 WTK WTK ) JAR(Java ARchive) CLDC MIDP Java ) JAD(Java Application Description) (i JAM ) ) ) KVM JVM ( ) KVM OS ( ) ) Web ) ) Web ) ) Web ( ) Java ( ) SUN (VM ) HotSpot(J2EE ) JVM J2SE CVM(CDC J2ME ) KVM(CLDC J2ME ) CardVM(Java ) ( ) Java CLDC J2ME Java KVM JVM Windows KVM PC Vappli Vodafone J2SDK 1.3 3

CVM ROM CVM (<http://www-6.ibm.com/jp/developerworks/java/011019/j_j-j2me.

4 Java(J2SE Java ) ( i- ) J2SDK GUI GUI 1) CVM CLDC Java (JVM) CDC JVM CDC JVM ( CVM) JNI (Java Native Interface)1.1 JVMDI (Java Virtual Machine Debugging Interface) JVMPI (Java Virtual Machine Profiling Interface) CDC Java CVM CDC API CVM ROM CVM (< ) Vappli Java JAR (J-SA ) ---- import javax.microedition.lcdui.*; import javax.microedition.midlet.*; import javax.microedition.io.*; import java.io.*; // 4

5 public class getimagefromweb extends MIDlet { public getimagefromweb() { getimagecanvas canvas = new getimagecanvas(getappproperty("url")); Display.getDisplay(this).setCurrent(canvas); // public getimagefromweb MIDlet getimagecanvas class getimagecanvas extends Canvas implements CommandListener { //*** *** getimagecanvas(string url) {// getimagecanvas url //*** *** image = readimage(url + "/BlueMosque01.jpg"); xwidth = image.getwidth(); yheight = image.getheight(); repaint(); // (setcommandlistener ) soft1 = new Command(" ", Command.SCREEN,1); addcommand(soft1); setcommandlistener(this); //*** *** private Image readimage(string url) { //HTTP byte[] data; HttpConnection c = null; InputStream in = null; try {//try catch c =(HttpConnection)Connector.open(url); in = c.openinputstream(); data = new byte[(int)c.getlength()]; for (int i = 0 ; i < data.length ; ++i) data[i] = (byte)in.read(); in.close(); c.close(); return Image.createImage(data, 0, data.length); catch (Exception e) { try { if ( in!= null ) in.close(); if ( c!= null ) c.close(); catch (Exception e2){ return null; public void paint(graphics g){ // Canvas (LCD ) g.setcolor( BACKcolor ); g.fillrect(0, 0, sizx, sizy); 5

6 g.drawimage(image, x, y, g.top g.left); public void commandaction(command c, Displayable s) { // if ( c == soft1 ){ image = readimage(url + "/image.jpg"); if ( image == null ) info = "Errors happen!!"; xwidth = image.getwidth(); yheight = image.getheight(); repaint(); --- JAR (Javac) (preverify) (jar) set PROJECT=getImageFromWeb set BASEDIR=C: usr bin J-PHONE-SDK set PROJDIR=%BASEDIR% Project > javac -bootclasspath %BASEDIR% lib stubclasses.zip -d %PROJDIR% %PROJECT% classes *.java class > preverify -d %PROJDIR% %PROJECT% classes -classpath %BASEDIR% lib stubclasses.zip. ) class preverify > jar cmf MANIFEST.MF %PROJECT%.jar -C %PROJDIR% %PROJECT% classes. -C %PROJDIR% %PROJECT% res. preverify ( ) class ( ) ( ) ( JAVA PRESS Vol.25 ) (MANIFEST.MF) JAR JAR JAR Web JAD 6

7 JAD JAR JAD Web ( ) JAR 2) V (Vodafone Java ) Web LCD ( ) 7

8 *.jar *.jad dev.javalive.jp ID JC !!naisho?? /download Java Live ( ) (Netscape or IE) ID JC !!naisho?? ( FTP ) JAD ( ) (JAD ) Java s @jp-s.ne.jp ( J-Phone) => s @s.vodafone.ne.jp( Vodafone) ( & Live ) ( s @jp-s.ne.jp => s @s.vodafone.ne.jp) URL ID: JC PW:!!naisho?? Get Image(PNG) from Server JAD Java (JAR ) Vappli LCD 8

9 i-mode Java (i ) Vodafone Vappli au MIDlet Vodafone au i Vappli i FOMA J J 1)MIDP MIDP(Mobile Information Device Profile) Vodafone(J-Phone) au 2) ( ) ( ) 1,800 ISBN: ) J2ME Java ( ), ( ), Feng Yu ( ), Zhu Jun ( ), ( ), ( ) ASCII BOOKS 2002/05/09 ( ) 3,800 ISBN

10 Java J2ME/MIDP API au J-Phone Java 1! 4) Java2ME MIDP J-PHONE KDDI ISBN ( ) 3,580 Java MIDP J-PHONE KDDI MIDP Java 5)

Java 対応携帯電話機のJava ウイルスの危険性に関する調査・検討報告書

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