copyscreen.java

来自「JAVA手机PDA程序设计入门书籍源代码」· Java 代码 · 共 19 行

import javax.microedition.lcdui.* ;
public class CopyScreen extends Alert
{
	private static Displayable instance ;
	synchronized public static Displayable getInstance()
	{
		if(instance == null)
			instance = new CopyScreen() ;
		return instance ;
	}
	private CopyScreen()
	{
		super("版权声明") ;
		setString("此应用程序之版权属于XYZ公司所有") ;
		setType(AlertType.INFO) ;
		setTimeout(Alert.FOREVER) ;
	}
}