summidlet.java

NOKIA经典联网例子

// Copyright 2002 Nokia Corporation.
//
// THIS SOURCE CODE IS PROVIDED 'AS IS', WITH NO WARRANTIES WHATSOEVER,
// EXPRESS OR IMPLIED, INCLUDING ANY WARRANTY OF MERCHANTABILITY, FITNESS
// FOR ANY PARTICULAR PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE
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// SUPPORT. FURTHERMORE, NOKIA MAKES NO WARRANTY THAT EXERCISE OF THE
// RIGHTS GRANTED HEREUNDER DOES NOT INFRINGE OR MAY NOT CAUSE INFRINGEMENT
// OF ANY PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OWNED OR CONTROLLED
// BY THIRD PARTIES
//
// Furthermore, information provided in this source code is preliminary,
// and may be changed substantially prior to final release. Nokia Corporation
// retains the right to make changes to this source code at
// any time, without notice. This source code is provided for informational
// purposes only.
//
// Nokia and Nokia Connecting People are registered trademarks of Nokia
// Corporation.
// Java and all Java-based marks are trademarks or registered trademarks of
// Sun Microsystems, Inc.
// Other product and company names mentioned herein may be trademarks or
// trade names of their respective owners.
//
// A non-exclusive, non-transferable, worldwide, limited license is hereby
// granted to the Licensee to download, print, reproduce and modify the
// source code. The licensee has the right to market, sell, distribute and
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package example.sum;

import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
import java.io.IOException;


public class SumMIDlet
    extends MIDlet
{
    private final SumScreen screen;
    private final HttpPoster httpPoster;


    public SumMIDlet()
    {
        String servletUrl = getAppProperty("Servlet-URL");
        httpPoster = new HttpPoster(servletUrl);

        screen = new SumScreen(this, httpPoster);
    }


    public void startApp()
    {
        Display.getDisplay(this).setCurrent(screen);
    }


    public void pauseApp()
    {
    }


    public void destroyApp(boolean unconditional)
    {
        httpPoster.abort();
    }


    void sumScreenQuit()
    {
	destroyApp(false);
	notifyDestroyed();
    }
}