AndroidAGPS定位测试程序

Android AGPS 定位 测试程序

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　　Java代码 收藏代码

　　import android.app.Activity;　　import android.content.Context;　　import android.location.Criteria;　　import android.location.Location;

　　import android.location.LocationListener;　　import android.location.LocationManager;　　import android.os.Bundle;

　　import android.widget.TextView;

　　public class CurrentLocation extends Activity {　　/** Called when the activity is first created. */　　@Override

　　public void onCreate(Bundle savedInstanceState) {　　super.onCreate(savedInstanceState);　　setContentView(R.layout.main);　　LocationManager locationManager;

　　String serviceName = Context.LOCATION_SERVICE;

　　locationManager = (LocationManager)getSystemService(serviceName);　　//String provider = LocationManager.GPS_PROVIDER;　　Criteria criteria = new Criteria();

　　criteria.setAccuracy(Criteria.ACCURACY_FINE);　　criteria.setAltitudeRequired(false);　　criteria.setBearingRequired(false);　　criteria.setCostAllowed(true);

　　criteria.setPowerRequirement(Criteria.POWER_LOW);

　　String provider = locationManager.getBestProvider(criteria, true);

　　Location location = locationManager.getLastKnownLocation(provider);　　updateWithNewLocation(location);

　　locationManager.requestLocationUpdates(provider, 2000, 10,　　locationListener);　　}

　　private final LocationListener locationListener = new LocationListener() {　　public void onLocationChanged(Location location) {　　updateWithNewLocation(location);　　}

　　public void onProviderDisabled(String provider){　　updateWithNewLocation(null);　　}

　　public void onProviderEnabled(String provider){ }

　　public void onStatusChanged(String provider, int status,

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　　Bundle extras){ }　　};

　　private void updateWithNewLocation(Location location) {　　String latLongString;

　　TextView myLocationText;

　　myLocationText = (TextView)findViewById(R.id.myLocationText);　　if (location != null) {

　　double lat = location.getLatitude();　　double lng = location.getLongitude();

　　latLongString = \"纬度:\" + lat + \" 经度:\" + lng;　　} else {

　　latLongString = \"⽆法获取地理信息\";　　}

　　myLocationText.setText(\"您当前的位置是: \" +　　latLongString);　　}　　}