*****Midlet
import javax.microedition.lcdui.Display;
import javax.microedition.midlet.*;
public class Midlet extends MIDlet {
private Display display;
private pauseCanvas canvas; //声明画布对象canvas
public Midlet(){
display = Display.getDisplay(this); //获取Display
canvas=new pauseCanvas(); //创建画布对象canvas
display .setCurrent(canvas); //设置canvas为当前显示对象
}
public void startApp() {
}
public void pauseApp() {
}
public void destroyApp(boolean unconditional) {
}
}
********pauseCanvas
import javax.microedition.lcdui.Canvas;
import javax.microedition.lcdui.Graphics;
public class pauseCanvas extends Canvas {
protected void paint(Graphics g) {
}
protected void hideNotify() {
System.out.println("画面暂停");
}
protected void showNotify() {
System.out.println("画面继续");
}
}
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