04 j2me wireless tool kit
TRANSCRIPT
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J2ME Wireless Tool Kit (WTK)
Cornelius Koo - 2005
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KToolBar
Start -> Programs -> J2ME Wireless ToolKit 2.0 -> KToolBar
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Project File Organization
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Create New Project
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Open Existing Project
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Editing MIDlet Suite Attribute
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Modifying MIDlet Suite Attributes
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Modifying User Defined Attributes
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Modifying MIDlet-Specific Attributes
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Simple Hello World
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import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.TextBox;
import javax.microedition.midlet.MIDlet;
import javax.microedition.midlet.MIDletStateChangeException;
public class HelloWorld extends MIDlet {
private Display display;
public HelloWorld() {
display = Display.getDisplay(this);
}
protected void startApp() throws MIDletStateChangeException {
TextBox t = new TextBox(“Hello World MIDlet","Hello Small World",256,0);
display.setCurrent(t);
}
protected void pauseApp() {}
protected void destroyApp(boolean arg0) throws MIDletStateChangeException {}
}
Save this HelloWorld.java file at WTK20\apps\Hello World\src
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Building Application
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Running Locally
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Cleaning Up Project
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This will remove unnecessary files from project folder
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Packaging
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External Libraries
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Place the .JAR files inside this /lib
directory for specific project.
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Place the .JAR files inside this /lib
directory for all projects
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Reference
• WTK User Guide. SUN Microsystem,
2003.