mycanvas.java

来自「一个简单的手机开发代码」· Java 代码 · 共 13 行

import javax.microedition.lcdui.Canvas;
import javax.microedition.lcdui.Graphics;


public class MyCanvas extends Canvas {

	protected void paint(Graphics g) {
		// TODO Auto-generated method stub
		g.fillRect(30, 30, 50, 50);
	}

}