高德地图的定位

public class MainActivity extends Activity implements LocationSource,AMapLocationListener{

private AMap amap; //高德地图Api(就是高德地图)

private MapView mapview;

private OnLocationChangedListener changedListener;

private LocationManagerProxy managerProxy;//折线的关键类为 Polyline

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

mapview=(MapView)findViewById(R.id.map);

mapview.onCreate(savedInstanceState);

init();

}

private void init(){

if(amap==null){

amap=mapview.getMap();

setUpMap();

}

}

@Override

protected void onResume() {

// TODO Auto-generated method stub

super.onResume();

mapview.onResume();

}

@Override

protected void onPause() {

// TODO Auto-generated method stub

super.onPause();

mapview.onPause();

}

@Override

protected void onDestroy() {

// TODO Auto-generated method stub

super.onDestroy();

mapview.onDestroy();

}

private void setUpMap(){

amap.setLocationSource(this);//定位监听

amap.getUiSettings().setMyLocationButtonEnabled(true);

amap.setMyLocationEnabled(true);

amap.setMyLocationType(AMap.LOCATION_TYPE_MAP_ROTATE);

}

@Override

public void onLocationChanged(Location location) {

// TODO Auto-generated method stub

}

@Override

public void onProviderDisabled(String provider) {

// TODO Auto-generated method stub

}

@Override

public void onProviderEnabled(String provider) {

// TODO Auto-generated method stub

}

@Override

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

// TODO Auto-generated method stub

}

@Override

public void onLocationChanged(AMapLocation arg0) {

// TODO Auto-generated method stub

if(changedListener!=null&&arg0!=null){

if(arg0.getAMapException().getErrorCode()==0){

changedListener.onLocationChanged(arg0);

}

}

}

//激活定位

@Override

public void activate(OnLocationChangedListener arg0) {

// TODO Auto-generated method stub

changedListener=arg0;

if(managerProxy==null){

managerProxy=LocationManagerProxy.getInstance(this);

managerProxy.requestLocationData(LocationProviderProxy.AMapNetwork, 60*1000, 10, this);

}

}

//停止定位

@Override

public void deactivate() {

// TODO Auto-generated method stub

changedListener=null;

if(managerProxy!=null){

managerProxy.removeUpdates(this);

managerProxy.destroy();

}

managerProxy=null;

}

}

//xml文件

<com.amap.api.maps.MapView

xmlns:android="http://schemas.android.com/apk/res/android"

android:id="@+id/map"

android:layout_width="match_parent"

android:layout_height="match_parent"/>

//权限

<uses-permission android:name="android.permission.INTERNET" />

<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />

<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />

<uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />

<uses-permission android:name="android.permission.READ_PHONE_STATE" />

<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />

<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />

<uses-permission android:name="android.permission.ACCESS_LOCATION_EXTRA_COMMANDS" />

<uses-permission android:name="android.permission.ACCESS_MOCK_LOCATION" />

<uses-permission android:name="android.permission.CHANGE_WIFI_STATE" />

<meta-data

android:name="com.amap.api.v2.apikey"

android:value="1a1786d95eee2887a266d2c65778d52e" />s