MainActivity.java

package com.bigfat.baidumaptest;

import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.os.Bundle;
import android.support.v7.app.ActionBarActivity;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.Toast;

import com.baidu.mapapi.SDKInitializer;
import com.baidu.mapapi.map.BaiduMap;
import com.baidu.mapapi.map.MapStatus;
import com.baidu.mapapi.map.MapStatusUpdateFactory;
import com.baidu.mapapi.map.MapView;
import com.baidu.mapapi.model.LatLng;

import java.util.List;


public class MainActivity extends ActionBarActivity {

    public static final String TAG = "MainActivity";

    private MapView mapView;

    private BaiduMap baiduMap;
    private LocationManager locationManager;
    private String provider;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        //初始化百度地图
        SDKInitializer.initialize(getApplicationContext());

        setContentView(R.layout.activity_main);

        mapView = (MapView) findViewById(R.id.map_view);
        baiduMap = mapView.getMap();

        locationManager = (LocationManager) getSystemService(LOCATION_SERVICE);
        List<String> providerList = locationManager.getProviders(true);
        if (providerList.contains(LocationManager.GPS_PROVIDER)) {
            provider = LocationManager.GPS_PROVIDER;
        } else if (providerList.contains(LocationManager.NETWORK_PROVIDER)) {
            provider = LocationManager.NETWORK_PROVIDER;
        } else {
            Toast.makeText(this, "No location provider to use", Toast.LENGTH_SHORT).show();
            return;
        }

        Location location = locationManager.getLastKnownLocation(provider);
        if (location != null) {
            navigateTo(location);
        }
        locationManager.requestLocationUpdates(provider, 3000, 0, new LocationListener() {
            @Override
            public void onLocationChanged(Location location) {
                navigateTo(location);
            }

            @Override
            public void onStatusChanged(String provider, int status, Bundle extras) {

            }

            @Override
            public void onProviderEnabled(String provider) {

            }

            @Override
            public void onProviderDisabled(String provider) {

            }
        });
    }

    private void navigateTo(Location location) {
        if (location != null) {
            Log.d(TAG, "Latitude：" + location.getLatitude() + "Longitude：" + location.getLongitude());
            LatLng p = new LatLng(location.getLatitude(), location.getLongitude());
            MapStatus mapStatus = new MapStatus.Builder(baiduMap.getMapStatus()).zoom(14).target(p).build();
            baiduMap.animateMapStatus(MapStatusUpdateFactory.newMapStatus(mapStatus));
        }
    }

    @Override
    protected void onDestroy() {
        super.onDestroy();
        mapView.onDestroy();
    }

    @Override
    protected void onResume() {
        super.onResume();
        mapView.onResume();
    }

    @Override
    protected void onPause() {
        super.onPause();
        mapView.onPause();
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.menu_main, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();

        //noinspection SimplifiableIfStatement
        if (id == R.id.action_settings) {
            return true;
        }

        return super.onOptionsItemSelected(item);
    }
}