?? minicolor.java
字號:
package ch09.section07;
import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
//顏色選擇器主程序
public class MiniColor
extends MIDlet
implements CommandListener {
private Display display;
private MiniColorChooser chooser;
//退出按鈕
private Command exitCommand = new Command("退出", Command.EXIT, 1);
public MiniColor() {
display = Display.getDisplay(this);
chooser = new MiniColorChooser();
//設置事件監(jiān)聽器
chooser.addCommand(exitCommand);
chooser.setCommandListener(this);
chooser.setColor(0xffff00);
}
//應用程序入口
public void startApp() {
display.setCurrent(chooser);
}
//掛起應用程序
public void pauseApp() {
}
//撤銷應用程序
public void destroyApp(boolean unconditional) {
}
//響應按鈕事件
public void commandAction(Command c, Displayable s) {
if (c == exitCommand) {
destroyApp(true);
notifyDestroyed();
}
}
}
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