Programming Java 2 Micro Edition on Symbian OS A developer’s guide to MIDP 2 0 phần 3 potx

... represents portable codethat can be reused to create a different animation without any change to the game canvas.import javax.microedition.lcdui.Image;import javax.microedition.lcdui.game.Sprite;public ... tick(){this.getDirection();if(direction){INTRODUCTION TO MIDP 33 Abstract commands are used to avoid having to implement concretecommand buttons; semantic representations are used instead. The com-mands are attached to Displayable objects ... if(command==resume){try{startApp();}catch (MIDletStateChangeException msce){}}}} 2. 2 .3 GameCanvas Class: MyGameCanvas .java Whereas the Helloworld .java class might be described as the heart-beat...

... net_accessjavax.microedition.io.Connector.http,javax.microedition.io.Connector.https,javax.microedition.io.Connector.datagram,javax.microedition.io.Connector.datagramreceiver,javax.microedition.io.Connector.socket,javax.microedition.io.Connector.serversocket,javax.microedition.io.Connector.ssldomain: ... on a JTWI-compliant device• it provides clarification of component JSR specifications, where appro-priate. Programming Java 2 Micro Edition on Symbian OS: A developer’s guide to MIDP 2. 0 . Martin ... javax.microedition.io.Connector.sms.receivesession (oneshot): javax.microedition.io.PushRegistrydomain: Symbian allow: net_accessallow: javax.microedition.io.Connector.sms.sendallow: javax.microedition.io.Connector.sms.receiveallow:...

... docu-mentation.OPTIONAL J2ME APIS IN THE JTWI 165javax.microedition.lcdui.Formjavax.microedition.media.control.VolumeControljavax.microedition.media.PlayerInitialViewPlayerViewMIDletController ... semi-transparent red mask over a background image:import javax.microedition.midlet.*;import javax.microedition.lcdui.*;import java. io.*;public class AlphaCanvas extends Canvas implements Runnable ... the LayerManagerCanvas class is listed below.import javax.microedition.lcdui.game.*;import javax.microedition.lcdui.*;import java. io.*;public class LayerManagerCanvas extends Canvas implements...

... a jog dial, whereas Series 60 phones have a smaller screen and use a keypad and a four-way joystick. Programming Java 2 Micro Edition on Symbian OS: A developer’s guide to MIDP 2. 0 . Martin de ... rms.retrieveImageFromStore(imageName);displayPuzzleCanvas(imageData);}catch(ApplicationException ae){ 30 6 MIDP 2. 0 CASE STUDIES5.4.5 The ImageNameBox ClassImageNameBox extends TextBox and provides an area into which ... captureCanvas);capturer.startPlayer();display.setCurrent(captureCanvas);}catch(final ApplicationException ae){//set to null if unable to create playercaptureCanvas = null;showAlert(ae);}} else {//CaptureCanvas and associated player (Capturer) already...

... 600 MHz laptop.SunWirelessToolkit 2. 1Motorola A7 60 Nokia 921 0iNokia76 50 Nokia6 600 SonyEricssonP 800 SonyEricssonP 900 AMark 1 .3 35.79 8 . 03 17. 13 20 .48 19.79 42. 63 CLDCMark 24 8 4 726 39 6 ... a recursion depth inexcess of 500 0 (at least 900 0 with PersonalJava on the 921 0) .For PersonalJava, the Java stack used to push Java method call framesis set by default to about 400 KB. If ... 547 .34 s 3 12. 35 s 4.56 s 2. 61 sInstance variable 36 .75 s 48. 12 s 24 .22 s 2. 72 s 1. 70 sLocal variable 18. 93 s 19.85 s 10. 32 s 0 .29 s 0 . 20 sAs can be seen, accessing local variables can be an order...