Android应用实现GPS定位返回经纬度Demo

package app.lei.location.demo; import android.app.Activity; import android.location.Criteria; import android.location.Location; import android.location.LocationListener; import android.os.Bundle; import android.os.Handler; import android.os.Message; import android.widget.TextView; import com.amap.mapapi.location.LocationManagerProxy; public class AndroidAppMapLocationDemoActivity extends Activity implements LocationListener { /** Called when the activity is first created. */ private LocationManagerProxy locationManager = null; private TextView myLocation; Handler handler = new Handler() { public void handleMessage(Message msg) { myLocation.setText((String) msg.obj); } }; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); myLocation = (TextView) findViewById(R.id.myLocation); locationManager = LocationManagerProxy.getInstance(this); } public boolean enableMyLocation() { boolean result = true; Criteria cri = new Criteria(); cri.setAccuracy(Criteria.ACCURACY_COARSE); cri.setAltitudeRequired(false); cri.setBearingRequired(false); cri.setCostAllowed(false); String bestProvider = locationManager.getBestProvider(cri, true); locationManager.requestLocationUpdates(bestProvider, 2000, 10, this); return result; } public void disableMyLocation() { locationManager.removeUpdates(this); } @Override protected void onResume() { // TODO Auto-generated method stub super.onResume(); enableMyLocation(); } @Override protected void onPause() { disableMyLocation(); super.onPause(); } @Override protected void onDestroy() { if (locationManager != null) { locationManager.removeUpdates(this); locationManager.destory(); } locationManager = null; super.onDestroy(); } @Override public void onLocationChanged(Location location) { // TODO Auto-generated method stub if (location != null) { Double geoLat = location.getLatitude(); Double geoLng = location.getLongitude(); String str = ("定位成功:(" + geoLng + "," + geoLat + ")"); Message msg = new Message(); msg.obj = str; if (handler != null) { handler.sendMessage(msg); } } } @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 } }