地图定位

package com.bwei.test;

import com.amap.api.location.AMapLocation;
import com.amap.api.location.AMapLocationListener;
import com.amap.api.location.LocationManagerProxy;
import com.amap.api.location.LocationProviderProxy;
import com.amap.api.maps.AMap;
import com.amap.api.maps.LocationSource;
import com.amap.api.maps.MapView;

import android.app.Activity;
import android.location.Location;
import android.os.Bundle;
import android.widget.Toast;

public class PersonActivity extends Activity implements LocationSource,AMapLocationListener{
private MapView mapView;
private AMap aMap;
private OnLocationChangedListener mListener;
private LocationManagerProxy mAMapLocationManager;
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_person);
mapView = (MapView)findViewById(R.id.map);
mapView.onCreate(savedInstanceState);
init();
}
private void init() {
// TODO Auto-generated method stub
if(aMap == null){
aMap = mapView.getMap();
setUpMap();
}
}
private void setUpMap() {
// TODO Auto-generated method stub
aMap.setLocationSource(this);
aMap.getUiSettings().setMyLocationButtonEnabled(true);
aMap.setMyLocationEnabled(true);
aMap.setMyLocationType(AMap.LOCATION_TYPE_LOCATE);
}

@Override
protected void onDestroy() {
// TODO Auto-generated method stub
super.onDestroy();
mapView.onDestroy();
}
@Override
protected void onPause() {
// TODO Auto-generated method stub
super.onPause();
mapView.onPause();
deactivate();
}
@Override
protected void onResume() {
// TODO Auto-generated method stub
super.onResume();
mapView.onResume();
}
@Override
protected void onSaveInstanceState(Bundle outState) {
// TODO Auto-generated method stub
super.onSaveInstanceState(outState);
mapView.onSaveInstanceState(outState);
}
@Override
public void onLocationChanged(Location arg0) {
// TODO Auto-generated method stub

}
@Override
public void onProviderDisabled(String arg0) {
// 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(mListener != null&&arg0 != null){
if (arg0.getAMapException().getErrorCode() == 0) {
mListener.onLocationChanged(arg0);// 显示系统小蓝点
}
}
double latitude = arg0.getLatitude();
double longitude = arg0.getLongitude();
Toast.makeText(this, "纬度"+latitude+"经度"+longitude, 0).show();

}
@Override
public void activate(OnLocationChangedListener arg0) {
// TODO Auto-generated method stub
mListener = arg0;
if (mAMapLocationManager == null) {
mAMapLocationManager = LocationManagerProxy.getInstance(this);
//此方法为每隔固定时间会发起一次定位请求，为了减少电量消耗或网络流量消耗，
//注意设置合适的定位时间的间隔，并且在合适时间调用removeUpdates()方法来取消定位请求
//在定位结束后，在合适的生命周期调用destroy()方法
//其中如果间隔时间为-1，则定位只定一次
mAMapLocationManager.requestLocationData(
LocationProviderProxy.AMapNetwork, 60*1000, 10, this);
}
}
@Override
public void deactivate() {
// TODO Auto-generated method stub
mListener = null;
if (mAMapLocationManager != null) {
mAMapLocationManager.removeUpdates(this);
mAMapLocationManager.destroy();
}
mAMapLocationManager = null;
}
}