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package ColorDemo;
import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
/**
* A Color chooser MIDlet.
*/
public class Color extends MIDlet implements CommandListener {
/** This MIDlets Display object */
private Display display; // Our display
/** The Color chooser */
private ColorChooser chooser;
/** The Exit Command */
private Command exitCommand = new Command("Exit", Command.EXIT, 1);
/** The Decimal Command */
private Command decimalCommand = new Command("Decimal", Command.SCREEN, 7);
/** The Hexadecimal Command */
private Command hexCommand = new Command("Hexadecimal", Command.SCREEN, 7);
/** The Coarse command */
private Command coarseCommand = new Command("Coarse", Command.SCREEN, 8);
/** The Fine command */
private Command fineCommand = new Command("Fine", Command.SCREEN, 8);
/**
* Construct a new Color MIDlet and initialize.
*/
public Color() {
display = Display.getDisplay(this);
chooser = new ColorChooser(display.isColor(), display.numColors());
chooser.addCommand(exitCommand);
chooser.addCommand(hexCommand);
chooser.addCommand(fineCommand);
chooser.setCommandListener(this);
chooser.setColor(0xffff00);
}
/**
* Create the ColorChooser and make it current
*/
public void startApp() {
display.setCurrent(chooser);
}
/**
* Pause
*/
public void pauseApp() {
}
/**
* Destroy must cleanup everything.
* @param unconditional true if must destroy
*/
public void destroyApp(boolean unconditional) {
}
/**
* Respond to a commands issued on any Screen.
* @param c Command invoked
* @param s Displayable on which the command was invoked
*/
public void commandAction(Command c, Displayable s) {
if (c == exitCommand) {
destroyApp(true);
notifyDestroyed();
} else if (c == decimalCommand) {
chooser.setRadix(10);
chooser.removeCommand(decimalCommand);
chooser.addCommand(hexCommand);
} else if (c == hexCommand) {
chooser.setRadix(16);
chooser.removeCommand(hexCommand);
chooser.addCommand(decimalCommand);
} else if (c == fineCommand) {
chooser.setDelta(4);
chooser.removeCommand(fineCommand);
chooser.addCommand(coarseCommand);
} else if (c == coarseCommand) {
chooser.setDelta(32);
chooser.removeCommand(coarseCommand);
chooser.addCommand(fineCommand);
}
}
}
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