messageui.java

J2me上的GPS源码

// Copyright 2005 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
// OR TRADE PRACTICE, RELATING TO THE SOURCE CODE OR ANY WARRANTY OTHERWISE
// ARISING OUT OF ANY PROPOSAL, SPECIFICATION, OR SAMPLE AND WITH NO
// OBLIGATION OF NOKIA TO PROVIDE THE LICENSEE WITH ANY MAINTENANCE OR
// 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
// make available the source code in original or modified form only when
// incorporated into the programs developed by the Licensee. No other
// license, express or implied, by estoppel or otherwise, to any other
// intellectual property rights is granted herein.
package com.nokia.example.location.tourist.ui;

import javax.microedition.lcdui.Alert;
import javax.microedition.lcdui.AlertType;
import javax.microedition.lcdui.Gauge;

import com.nokia.example.location.tourist.TouristMIDlet;

/**
 * Viewer class containing a general suppose Alert notification(s).
 */
public class MessageUI
{
    /**
     * Shows a alert that Location API is not supported.
     */
    public static void showApiNotSupported()
    {
        Alert alert = new Alert("Information",
                "Device do not support Location API", null, AlertType.INFO);
        TouristMIDlet.getDisplay().setCurrent(alert);
    }

    /**
     * Shows a alert that Location data is not available.
     */
    public static void showLocationDataNotAvailable()
    {
        Alert alert = new Alert("Information",
                "Location data is not yet available.", null, AlertType.INFO);
        TouristMIDlet.getDisplay().setCurrent(alert);
    }

    /**
     * Show a status dialog informing about state of location provider.
     */
    public static void showLocationProviderState()
    {
    	//Gauge进度条
        Gauge indicator = new Gauge(null, false, 50, 1);
        indicator.setValue(Gauge.CONTINUOUS_RUNNING);

        Alert alert = new Alert("Information",
                "Please wait, looking for location data....", null,
                AlertType.INFO);
        alert.setIndicator(indicator);

        TouristMIDlet.getDisplay().setCurrent(alert);
    }
}