Android(安卓)百度 Map----定位功能

package com.liu.map;

import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.Point;
import android.location.Location;
import android.os.Bundle;
import android.util.Log;
import android.widget.Toast;

import com.baidu.mapapi.GeoPoint;
import com.baidu.mapapi.LocationListener;
import com.baidu.mapapi.MKAddrInfo;
import com.baidu.mapapi.MKBusLineResult;
import com.baidu.mapapi.MKDrivingRouteResult;
import com.baidu.mapapi.MKLocationManager;
import com.baidu.mapapi.MKPoiResult;
import com.baidu.mapapi.MKSearch;
import com.baidu.mapapi.MKSearchListener;
import com.baidu.mapapi.MKSuggestionResult;
import com.baidu.mapapi.MKTransitRouteResult;
import com.baidu.mapapi.MKWalkingRouteResult;
import com.baidu.mapapi.MapActivity;
import com.baidu.mapapi.MapController;
import com.baidu.mapapi.MapView;
import com.baidu.mapapi.MyLocationOverlay;
import com.baidu.mapapi.Overlay;
import com.liu.R;
import com.liu.util.MapApplication;

public class LocMapActivity extends MapActivity implements LocationListener {

MapView mMapView;// 地图控件

MapController mMapController;// 得到mMapView的控制权,可以用它控制和驱动平移和

GeoPoint geoPoint;

MyLocationOverlay mylocTest;

MKLocationManager mkLocManager;

MKSearch mKSearch;

LocationListener mLocationListener;

@Override
protected void onCreate(Bundle arg0) {
// TODO Auto-generated method stub
super.onCreate(arg0);
setContentView(R.layout.activity_main);
super.initMapActivity(MapApplication.getInstance().getMapManager());
MapApplication.getInstance().getMapManager().start();
initMap();

}

@Override
protected boolean isRouteDisplayed() {
// TODO Auto-generated method stub
return false;
}

@Override
protected void onPause() {
MapApplication.getInstance().getMapManager().getLocationManager()
.removeUpdates(mLocationListener);
MapApplication.getInstance().getMapManager().stop();
super.onPause();
}

@Override
protected void onResume() {
MapApplication.getInstance().getMapManager().getLocationManager()
.requestLocationUpdates(mLocationListener);
MapApplication.getInstance().getMapManager().start();
super.onResume();
}

@Override
protected void onDestroy() {

super.onDestroy();
}

public void initMap() {

mMapView = (MapView) findViewById(R.id.bmapsView);

mMapController = mMapView.getController();

mMapView.setBuiltInZoomControls(true); // 设置启用内置的缩放控件

mMapController.setZoom(12); // 设置地图zoom级别

mKSearch = new MKSearch();
mKSearch.init(MapApplication.getInstance().getMapManager(),
new MKSearchListener() {

public void onGetWalkingRouteResult(
MKWalkingRouteResult arg0, int arg1) {
// TODO Auto-generated method stub

}

public void onGetTransitRouteResult(
MKTransitRouteResult arg0, int arg1) {
// TODO Auto-generated method stub

}

public void onGetSuggestionResult(MKSuggestionResult arg0,
int arg1) {
// TODO Auto-generated method stub

}

public void onGetRGCShareUrlResult(String arg0, int arg1) {
// TODO Auto-generated method stub

}

public void onGetPoiResult(MKPoiResult arg0, int arg1,
int arg2) {
// TODO Auto-generated method stub

}

public void onGetDrivingRouteResult(
MKDrivingRouteResult arg0, int arg1) {
// TODO Auto-generated method stub

}

public void onGetBusDetailResult(MKBusLineResult arg0,
int arg1) {
// TODO Auto-generated method stub

}

public void onGetAddrResult(MKAddrInfo info, int error) {
if (error != 0) {
String str = String.format("错误号：%d", error);
return;
}
String strInfo = String.format("纬度：%f 经度：%f 地址：%s\r\n",
info.geoPt.getLatitudeE6() / 1e6,
info.geoPt.getLongitudeE6() / 1e6,
info.addressComponents.city
+ info.addressComponents.district
+ info.addressComponents.street);
Toast.makeText(LocMapActivity.this, strInfo,
Toast.LENGTH_LONG).show();

}
});
mLocationListener = new LocationListener() {

public void onLocationChanged(Location loc) {
if (loc != null) {
geoPoint = new GeoPoint((int) (loc.getLatitude() * 1E6),
(int) (loc.getLongitude() * 1E6));
mKSearch.reverseGeocode(geoPoint);
mMapController.animateTo(geoPoint);
mMapController.setCenter(geoPoint); // 设置地图中心点
// 添加到MapView的覆盖物中
mMapView.getOverlays().add(new MyOverlay());
Log.e("baidu_lat", String.valueOf(loc.getLatitude()));
Log.e("baidu_lon", String.valueOf(loc.getLongitude()));
}

}
};

}

public class MyOverlay extends Overlay {

Paint paint = new Paint();

@Override
public void draw(Canvas canvas, MapView mapView, boolean shadow) {
// 在所在位置绘制一个String
Point point = mMapView.getProjection().toPixels(geoPoint, null);
canvas.drawText("★当前位置", point.x, point.y, paint);
}
}

public void onLocationChanged(Location location) {
location.getLatitude();
location.getLongitude();

}

}

更多相关文章

随机推荐