test3.java

Java手机-PDA程序设计入门源代码.rar

import java.awt.*;
import java.awt.event.* ;
import com.symbian.devnet.util.* ;
public class Test3 implements ActionListener
{
	public static void main(String args[])
	{
		new Test3() ;	
	}
	Frame f;
	public Test3()
	{
		
		f = new Frame("TaskSwitch Test") ;
		MenuItem m1_1 = new MenuItem("Infoprint") ;
		m1_1.addActionListener(this) ;
		MenuItem m1_2 = new MenuItem("System Level Dialog") ;
		m1_2.addActionListener(this) ;		
		MenuItem m1_3 = new MenuItem("Exit") ;
		m1_3.addActionListener(this) ;	

		Menu m1 = new Menu("Message") ;	
		
		m1.add(m1_1) ;
		m1.add(m1_2) ;
		m1.add(m1_3) ;

		MenuBar mb = new MenuBar() ;
		mb.add(m1) ;
		f.setMenuBar(mb) ;

		f.add(new Button("Click Me")) ;
		f.show() ;
	}
	public void actionPerformed(ActionEvent e)
	{
		String cmd = e.getActionCommand() ;
		System.out.println(cmd) ;
		if(cmd.equals("Exit"))
		{
			System.exit(0) ;
		}else if(cmd.equals("Infoprint"))
		{
			try
			{
				TaskSwitch.infoPrint("Connect ...");
			}
			catch (Exception exp)
			{ 
  				System.err.println(exp.getMessage());
			}
		}else if(cmd.equals("System Level Dialog"))
		{
			int ret = TaskSwitch.notify("System Notify", "Yes or No?", "No", "Yes");
			if(ret == 0) 
			{
				System.out.println("Press NO");
			}else if(ret == 1)
			{
				System.out.println("Press Yes");
			}
		}
	}
}