installlistener.java

有关j2me的很好的例子可以研究一下

/**
 *
 * @(#)InstallListener.java	1.1 01/08/14
 *
 * Copyright 2001 by Sun Microsystems, Inc.,
 * 901 San Antonio Road, Palo Alto, California, 94303, U.S.A.
 * All rights reserved.
 */

package com.sun.midp.midletsuite;

/** Enables a MIDlet to respond installation warnings and status updates. */
public interface InstallListener {
    /**
     * Called with the current state of the install so the user can be
     * asked to override the warning. To get the warning from the state
     * call {@link InstallState#getLastException()}. If false is returned,
     * the last exception in the state will be thrown and
     * {@link Installer#wasStopped()} will return true if called.
     *
     * @param state current state of the install.
     *
     * @return true if the user wants to continue, false to stop the install
     */
    public boolean warnUser(InstallState state);

    /**
     * Called with the current status of the install. See
     * {@link Installer} for the status codes.
     *
     * @param status current status of the install.
     */
    public void updateStatus(int status);
}