Android高德获取当前定位,点击地图获取位置信息
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2022-09-04 20:46:35
效果图(GIF压缩问题请忽略) 1.Activity代码(Android6.0以上别忘记添加动态权限) /** * Created by YyyyQ on 2020/3/26 * 获取当前定位,地图选点,获取当前和选择的位置信息 */ public class LocationActivity ex ......
效果图(gif压缩问题请忽略)
1.activity代码(android6.0以上别忘记添加动态权限)
/** * created by yyyyq on 2020/3/26 * 获取当前定位,地图选点,获取当前和选择的位置信息 */ public class locationactivity extends appcompatactivity implements locationsource, amaplocationlistener, geocodesearch.ongeocodesearchlistener, amap.onmapclicklistener { private mapview mapview; private amap amap; private uisettings uisettings; //定位服务 private locationsource.onlocationchangedlistener onlocationchangedlistener; private amaplocationclient locationclient; private amaplocationclientoption locationclientoption; //地理编码 private geocodesearch geocodesearch; //回显位置信息的textview private textview locationcoordinate; private textview locationinfo; //当前地图上的marker private marker marker; @override protected void oncreate(@nullable bundle savedinstancestate) { super.oncreate(savedinstancestate); setcontentview(r.layout.activity_location); mapview = findviewbyid(r.id.location_map); mapview.oncreate(savedinstancestate); locationcoordinate = findviewbyid(r.id.location_coordinate); locationinfo = findviewbyid(r.id.location_info); if (amap == null) { amap = mapview.getmap(); uisettings = amap.getuisettings(); //设置地图属性 setmapattribute(); } } private void setmapattribute() { //设置默认缩放级别 amap.animatecamera(cameraupdatefactory.zoomto(15)); //隐藏的右下角缩放按钮 uisettings.setzoomcontrolsenabled(false); //显示右上角定位按钮 uisettings.setmylocationbuttonenabled(false); //设置定位监听 amap.setlocationsource(this); //可触发定位并显示当前位置 amap.setmylocationenabled(true); //定位一次,且将视角移动到地图中心点 mylocationstyle mylocationstyle = new mylocationstyle(); mylocationstyle.mylocationtype(mylocationstyle.location_type_locate); //隐藏定位点外圈圆的颜色 mylocationstyle.strokecolor(color.argb(0, 0, 0, 0)); mylocationstyle.radiusfillcolor(color.argb(0, 0, 0, 0)); amap.setmylocationstyle(mylocationstyle); //设置地理编码查询 geocodesearch = new geocodesearch(this); geocodesearch.setongeocodesearchlistener(this); //设置地图点击事件 amap.setonmapclicklistener(this); } /** * 激活定位 */ @override public void activate(onlocationchangedlistener onlocationchangedlistener) { this.onlocationchangedlistener = onlocationchangedlistener; if (locationclient == null) { //初始化定位 locationclient = new amaplocationclient(this); //初始化定位参数 locationclientoption = new amaplocationclientoption(); //设置定位回调监听 locationclient.setlocationlistener(this); //高精度定位模式 locationclientoption.setlocationmode(amaplocationclientoption.amaplocationmode.hight_accuracy); //单定位模式 locationclientoption.setoncelocation(true); //设置定位参数 locationclient.setlocationoption(locationclientoption); //启动定位 locationclient.startlocation(); } } /** * 定位成功后回调函数 */ @override public void onlocationchanged(amaplocation amaplocation) { if (onlocationchangedlistener != null && amaplocation != null) { if (amaplocation.geterrorcode() == 0) { //显示定位圆点 onlocationchangedlistener.onlocationchanged(amaplocation); locationcoordinate.settext("当前纬度:" + amaplocation.getlatitude() + "当前经度" + amaplocation.getlongitude()); //根据当前经纬度查询地址 latlonpoint latlonpoint = new latlonpoint(amaplocation.getlatitude(), amaplocation.getlongitude()); regeocodequery query = new regeocodequery(latlonpoint, 200, geocodesearch.amap); geocodesearch.getfromlocationasyn(query); } else { log.e("yyyyq", "定位失败" + amaplocation.geterrorcode() + ":" + amaplocation.geterrorinfo()); toast.maketext(getapplication(), "定位失败", toast.length_short).show(); } } } /** * 停止定位 */ @override public void deactivate() { onlocationchangedlistener = null; if (locationclient != null) { locationclient.stoplocation(); locationclient.ondestroy(); } } /** * 根据坐标转换地址信息 */ @override public void onregeocodesearched(regeocoderesult regeocoderesult, int i) { if (i == amapexception.code_amap_success) { locationinfo.settext("当前位置信息:" + regeocoderesult.getregeocodeaddress().getformataddress()); } else { toast.maketext(getapplication(), "获取当前位置信息失败", toast.length_short).show(); } } /** * 地址转坐标 */ @override public void ongeocodesearched(geocoderesult geocoderesult, int i) { } /** * 地图点击事件 */ @override public void onmapclick(latlng latlng) { if (marker != null) { marker.remove(); } markeroptions markeroptions = new markeroptions(); markeroptions.icon(bitmapdescriptorfactory.fromresource(r.drawable.map_icon)); markeroptions.position(latlng); marker = amap.addmarker(markeroptions); //根据点击地图的点位获取详细信息 locationcoordinate.settext("当前纬度:" + latlng.latitude + "当前经度" + latlng.longitude); //根据当前经纬度查询地址 latlonpoint latlonpoint = new latlonpoint(latlng.latitude, latlng.longitude); regeocodequery query = new regeocodequery(latlonpoint, 200, geocodesearch.amap); geocodesearch.getfromlocationasyn(query); } }
2.xml布局文件
<?xml version="1.0" encoding="utf-8"?> <relativelayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent"> <!--地图o--> <com.amap.api.maps.mapview android:id="@+id/location_map" android:layout_width="match_parent" android:layout_height="match_parent" /> <!--回显位置信息的布局--> <linearlayout android:layout_width="match_parent" android:layout_height="140dp" android:layout_alignparentbottom="true" android:layout_margin="15dp" android:alpha="0.85" android:background="@drawable/layout_background" android:orientation="vertical"> <textview android:id="@+id/location_coordinate" android:layout_width="match_parent" android:layout_height="0dp" android:layout_weight="1.4" android:gravity="center|left" android:textcolor="#1a91b0" android:textsize="16sp" /> <textview android:id="@+id/location_info" android:layout_width="match_parent" android:layout_height="0dp" android:layout_weight="2" android:gravity="center|left|top" android:paddingtop="10dp" android:textcolor="#f05554" android:textsize="16sp" /> </linearlayout> </relativelayout>
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