moto388SDK http://kb.motorola.metrowerks.com/motorola/toolsHome.do jdk1.3.1 sun.com jcreator http://www.jcreator.com/Download.htm
1,怎么然程序知道是运行在模拟器上还是在手机上 看IMEI号。一般手机按"*#06#"就可得到imei码,每个手机是唯一的。 public void paint(Graphics g) { g.drawString("Phone Parameter:",0, 0, 16|4); g.drawString("IMEI:",0, 30,16|4); g.drawString(System.getProperty("phone.imei"),0, 60,16|4); g.drawString("Network Parameter:",0, 90, 16|4); g.drawString("MCC:"+System.getProperty("phone.mcc"),0, 120,16|4); g.drawString("MNC:"+System.getProperty("phone.mnc"),0, 150, 16|4); g.drawString("LAI:"+System.getProperty("phone.lai"),0, 180, 16|4); g.drawString("CID:"+System.getProperty("phone.cid"),0, 210, 16|4); }
2 看别人的game源代码时,找不到resource(图片)的原因, 如果你还没有添加一个叫做J2ME_RESOURCE_DIR的新的环境变量的话,建立他,具体步骤如下:
win98下:编辑c:\autoexec.bat文件,加入set J2ME_RESOURCE_DIR=你的工程目录,重起系统。
win2k下:我的电脑-》属性-》高级-》环境变量-》系统-》添加-》名称:J2ME_RESOURCE_DIR 内容:你的工程目录
配好后,每当你在jcreator中打开时,就自动转向你的J2ME_RESOURCE_DIR所指定的目录
3 四级灰度的颜色值怎么表示? private final static int WHITE_COLOR = 0x00FFFFFF; private final static int LIGHT_GRAY = 0x00888888; private final static int DARK_GRAY = 0x00444444; private final static int BLACK_COLOR = 0x00000000;
4 关于开发工具 MotoJ2SDK是为摩托罗拉388手机定制的命令行开发工具包,当然也可与IDE开发工具集成从而方便用户的开发。其中可以集成的开发环境包括:CodeWarrior, JCreator等。
另外SUN公司还提供了Java的开发工具,J2ME Wireless Tookit是为无线手持设备(MDIP)定制的简易开发工具包。如果用户需要更强的IDE开发环境,那么请选用Forte for Java CE。目前SUN公司提供的开发工具中暂时还没有388的模拟器。
Java 2 SDK 1.3是必备的,它提供开发、测试和运行Java程序的平台
本人推荐jcreator.
5 Jcreater+MotoJ2SDK的配置与使用心得
假设安装路径如下: JCreator D:\Program Files\Xinox Software\JCreator LE motoj2sdk D:\Motoj2sdk JDK D:\jdk1.3.1
注意:要先击活模拟环境,运行D:\MotoJ2SDK\generic\scripts\runConstructor.bat 选择手机型号,选择语言,选择normal, 再"创建"。
启动Jcreater之后我的配置如下: 第一步 选择 Configure->Options->JDK Profiles 注意:一定新建 profile and select “D:\jdk1.3.1” 将名字改为“J2ME 388” Add classes path “D:\Motoj2sdk\lib” Add documentation path “D:\Motoj2sdk\docs” 分别将后加的两行移到最上方.
第二步 选择 Configure->Options->JDK Tools 选择Complier 选中 and edit it. 将 parameters 变为 -O -bootclasspath D:/motoj2sdk/lib $[JavaFiles]
第三步 选择 Configure->Options->Tools 点击“New”选择 DOS command 名字为“Preverifier” 将 arguments 换为 d:\Motoj2sdk\bin\preverifier.exe -classpath "d:\Motoj2sdk\lib" -d . . 将 initial directory 变为 “$[PrjDir]”
第四步
按上面的方法在New一个 DOS command 名字:“Run Emulator” 将 arguments 换成 “java -Djava.library.path=d:/MotoJ2SDK/lib -classpath "d:/MotoJ2SDK/bin/Emulator.jar";"d:/MotoJ2SDK/ConfigTool.jar" com.mot.tools.j2me.emulator.Emulator -classpath$[PrjDir];"d:/MotoJ2SDK/lib" -deviceFile d:/MotoJ2SDK/bin/resources/device.props javax.microedition.midlet.AppManager $[CurClass] -JSA 1 1” 将 initial directory 换成 “d:\Motoj2sdk\bin”
第五步
New DOS command “Create Jar”
Change arguments to “"$[JavaHome]\bin\jar.exe" cvfM $[PrjName].jar META-INF\MANIFEST.MF *.CLASS *.png”
Change initial directory to “$[PrjDir]”
NOTE: You must add META-INF\MANIFEST.MF in the project
NOTE: You must change the directory “com/mot/project/*.CLASS” when you create your project.
NOTE: If you have resource files, you should also add these files into jar file, 1 folder is not necessary.
ok!编辑工具配置完毕!
新建一个工程——选择Empty Project 再取一个名字 比如:test 则jcreater自动在你的工作目录中生成目录test 再new一个file选择java File 写好你的原代码,保存 如:test.java 在Project中 选add file 然后选中你刚才的test.java
注意:不要有package ;
编译——》tools中的Preverifier进行预先审核——》tools中的Run Emulator进行模拟
test.java 的例子:功能是捕捉键盘输入的ascII吗。
import javax.microedition.lcdui.*; import javax.microedition.midlet.*;
public class test extends MIDlet implements CommandListener {
/** * The screen for this MIDlet */ private KeyEventsDemoCanvas myCanvas;
/** * Reference to current Display */ private Display myDisplay;
/** * Command to make sure soft key is not a key event */ private Command okCommand = new Command("OK", Command.OK, 1);
test() {
myDisplay = Display.getDisplay(this); myCanvas = new KeyEventsDemoCanvas(); myCanvas.addCommand(okCommand); myCanvas.setCommandListener(this); }
/** * Do nothing if a command is fired */ public void commandAction(Command c, Displayable s) { }
/** * Start the MIDlet */ protected void startApp() throws MIDletStateChangeException {
myDisplay.setCurrent(myCanvas); }
/** * Pause the MIDlet */ protected void pauseApp() { }
/** * Called by the framework before the application is unloaded */ protected void destroyApp(boolean unconditional) { }
/** * The screen for this application */ class KeyEventsDemoCanvas extends Canvas {
/** * Background color (i.e. the color of the screen) */ public final int BACKGROUND_COLOR = 0xFFFFFF; // white
/** * Foreground color (i.e. the color of the rectangles) */ public final int FOREGROUND_COLOR = 0x000000; // black
/** * Last key that was pressed */ private int lastKey;
/** * Paint the screen */ public void paint(Graphics g) {
/* * Clear the screen */ g.setColor(BACKGROUND_COLOR); g.fillRect(0, 0, getWidth(), getHeight());
/* * Paint the message */ g.setColor(FOREGROUND_COLOR);
g.drawString("Press a key!", 0, 0, Graphics.TOP | Graphics.LEFT);
if (lastKey != 0) { g.drawString("Key Code: " + lastKey, 0, g.getFont().getHeight(), Graphics.TOP | Graphics.LEFT); try { g.drawString("Action: " + getGameAction(lastKey), 0, 2 * g.getFont().getHeight(), Graphics.TOP | Graphics.LEFT); g.drawString("Key Name: " + getKeyName(lastKey), 0, 3 * g.getFont().getHeight(), Graphics.TOP | Graphics.LEFT); } catch (Exception e) { // ignore since alphabet keys will throw this exception } } }
/** * Handle key press */ public void keyPressed(int keyCode) {
lastKey = keyCode; repaint(); }
/** * Demonstrate keyRepeated events */ public void keyRepeated(int keyCode) { System.out.println("Key repeated " + keyCode); } } }
6怎么在主类中响应按钮消息,这个对于切换显示很有帮助。
//文件名 LWTDemoMIDlet.java import com.motorola.lwt.*; import javax.microedition.lcdui.*; import javax.microedition.midlet.*;
public class LWTDemoMIDlet extends MIDlet implements CommandListener { class ButtonScreen extends ComponentScreen {
public ButtonScreen() {
// Add a button to the screen Button b1 = new Button("b"); ///////////下面的代码是设定按钮高度 b1.setBottomEdge(Component.HEIGHT, 30);
///////////下面的代码是设定按钮宽度 b1.setRightEdge(Component.WIDTH,80);
///////////下面的代码是设定按钮y坐标,a相对屏幕最上
b1.setTopEdge(Component.SCREEN_TOP, 10);
///////////下面的代码是设定按钮x坐标相对前一个控件 b1.setLeftEdge(Component.PREVIOUS_COMPONENT_RIGHT, 30);
add(b1);
// Add another button to the screen Button b2 = new Button("点我就行了"){ public void componentActuated() { Show(); } }; // Extend the right edge to the right edge of the screen b2.setRightEdge(Component.WIDTH, 220); b2.setBottomEdge(Component.HEIGHT, b2.getPreferredHeight() * 2); add(b2); Command next = new Command("Next", Command.OK, 1); Command prev = new Command("Previous", Command.BACK, 1);
addCommand(next); addCommand(prev); } };
ButtonScreen screens = new ButtonScreen(); public LWTDemoMIDlet() { screens.setCommandListener(this); } protected void startApp() throws MIDletStateChangeException { Display.getDisplay(this).setCurrent(screens); } protected void pauseApp() { } protected void destroyApp(boolean unconditional) throws MIDletStateChangeException { } public void Show() { System.out.println("Get it on main Class");
} public void commandAction (Command c, Displayable d) {
if (screens == d) { // Found it, check which command was triggered if (c.getCommandType() == Command.BACK) { System.out.println("back"); } else if (c.getCommandType() == Command.OK) { System.out.println("ok"); } return; }
}
}
7 中文显示,存储问题。把中文写入rms中,再读出。 public void openRMS(){ try{ recordStore = RecordStore.openRecordStore(RECORD_STORE,true); } catch(Exception e){db(e.toString());} System.out.println("RMS opened successfully!"); }
public void closeRMS(){ try{ recordStore.closeRecordStore(); } catch(Exception e){ db(e.toString());} System.out.println("RMS closed successfully!"); }
public void deleteRMS(){ if(recordStore.listRecordStores() != null){ try{ recordStore.deleteRecordStore(RECORD_STORE);} catch(Exception e){ db(e.toString());} } System.out.println("RMS deleted successfully!"); }
public void writeRMS(int id,String str ){ // String ws; // userId = inputScreen.f1.getText(); System.out.println("check input: " +str); // ws=new String(userId+" "+score); writeStream(id,str); System.out.println("RMS writed successfully!"); } public void writeStream(int id,String sData){ try{ ByteArrayOutputStream strmBytes = new ByteArrayOutputStream(); DataOutputStream strmDataType = new DataOutputStream(strmBytes); byte[] record; strmDataType.writeUTF(sData); strmDataType.flush(); record = strmBytes.toByteArray(); if(recordStore.getNumRecords()==2) recordStore.setRecord(id,record,0,record.length); else recordStore.addRecord(record,0,record.length);
strmBytes.reset(); strmBytes.close(); strmDataType.close(); } catch(Exception e){ db(e.toString());}
}
public void readRMS(){ try{ byte[] data = new byte[50]; ByteArrayInputStream strmBytes = new ByteArrayInputStream(data); DataInputStream strmDataType = new DataInputStream(strmBytes); // for(int i=1;i <= recordStore.getNumRecords();i++){ // recordStore.getRecord(i,recData,0); // System.out.println("read Record : " + i); // topRecordScreen.ta1.appendText(i+" "+ strmDataType.readUTF()+"\n"); System.out.println(recordStore.getNumRecords()); if(recordStore.getNumRecords()==2) { recordStore.getRecord(1, data, 0); scr_chooseBus.f1.setText(strmDataType.readUTF()); System.out.println(strmDataType.readUTF()); strmBytes.reset(); recordStore.getRecord(2, data, 0); scr_chooseBus.f2.setText(strmDataType.readUTF()); System.out.println(strmDataType.readUTF());
strmBytes.reset(); } strmBytes.close(); strmDataType.close(); } catch(Exception e){ db(e.toString());} System.out.println("RMS read successfully!"); } private void db(String str){ System.err.println("RMS error: " + str); }

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