获取GPS定位信息，并通过百度地图显示位置

flash，flex进行安卓或ios移动开发的时候，使用flash.sensors.Geolocation类，可以利用设备地理位置传感器获取GPS信息，可以获取的具体信息如下：
1，经度
2，纬度
3，高度
4，水平精度(米)
5，垂直精度(米)
6，速度
7，时间

 下面是一个GPS定位系统的demo，可以定时获取位置信息，同时使用百度地图的API实时的在地图上显示位置。

 效果图如下：

原文:Flex手机项目 - 获取gps定位信息，并通过百度地图显示位置

 

 

代码如下：

                 xmlns:s="library://ns.adobe.com/flex/spark"

                 creationComplete="onCreationComplete()"

                 title="GPS定位系统">

   

       

            import flash.sensors.Geolocation;

            

            private var geolocation:Geolocation;

            

            private function onCreationComplete():void

            {    

                //判断是否支持gps定位

                if(Geolocation.isSupported)

                {

                    geolocation = new Geolocation();

                    geolocation.setRequestedUpdateInterval(5000); //更新时间间隔

                    geolocation.addEventListener(GeolocationEvent.UPDATE, onUpdate);

                    geolocationTxt.text = "gps链接成功!";

                    if(!geolocation.muted){

                        trace("无法使用gps!");

                    }

                }

            }     

            

            private function onUpdate(e:GeolocationEvent):void

            {

                geolocationTxt.text = "经度: " + e.longitude.toString()  + "\n"

                                    + "纬度: " + e.latitude + "\n"

                                    + "高度: " + e.altitude + "\n"

                                    + "水平精度(米): " + e.horizontalAccuracy + "\n"

                                    + "垂直精度(米): " + e.verticalAccuracy + "\n"

                                    + "速度: " + e.speed + "\n"

                                    + "时间: " + e.timestamp;

                

                baiduImage.source = "http://api.map.baidu.com/staticimage?center="

                                   + e.longitude + ","

                                   + e.latitude + "&markers="

                                   + e.longitude + ","

                                   + e.latitude

                                   + "&zoom=14&width=420&height=300";

            }

        ]]>

   

    

   

       

   

    

   

   

       

           

           

       

       

                 paddingLeft="10" paddingBottom="10" paddingTop="10" paddingRight="10"/>