Android GPS 获得 经纬度 并得到该 坐标 精确地址
16lz
2021-01-23
package cn.xx.currentlocation;import java.io.IOException;import java.util.List;import java.util.Locale;import android.app.Activity;import android.content.Context;import android.location.Address;import android.location.Criteria;import android.location.Geocoder;import android.location.Location;import android.location.LocationListener;import android.location.LocationManager;import android.os.Bundle;import android.widget.TextView;import android.widget.Toast;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;// String provider = "gps"; 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, Bundle extras) { } }; private void updateWithNewLocation(Location location) { String latLongString; TextView myLocationText; myLocationText = (TextView) findViewById(R.id.myLocationText);// try {// Thread.sleep(0);//因为真机获取gps数据需要一定的时间，为了保证获取到，采取系统休眠的延迟方法// } catch (InterruptedException e) {// e.printStackTrace();// throw new RuntimeException(e);// } if (location != null) { double lat = location.getLatitude(); double lng = location.getLongitude(); Geocoder geocoder=new Geocoder(this); // Geocoder geocoder = new Geocoder(this, Locale.CHINA); List places = null; try {// Thread.sleep(2000); places = geocoder.getFromLocation(location.getLatitude(), location.getLongitude(), 5);// Thread.sleep(2000); Toast.makeText(CurrentLocation.this, places.size()+"", Toast.LENGTH_LONG).show(); System.out.println(places.size()+""); } catch (Exception e) { e.printStackTrace(); } String placename = ""; if (places != null && places.size() > 0) { // placename=((Address)places.get(0)).getLocality(); //一下的信息将会具体到某条街 //其中getAddressLine(0)表示国家，getAddressLine(1)表示精确到某个区，getAddressLine(2)表示精确到具体的街 placename = ((Address) places.get(0)).getAddressLine(0) + ", " + System.getProperty("line.separator") + ((Address) places.get(0)).getAddressLine(1) + ", " + ((Address) places.get(0)).getAddressLine(2); } latLongString = "纬度:" + lat + "/n经度:" + lng; Toast.makeText(CurrentLocation.this, placename, Toast.LENGTH_LONG).show(); } else { latLongString = "无法获取地理信息"; } myLocationText.setText("您当前的位置是:/n" + latLongString); }} 又有其他项目，还没着手这个GPS功能，没来得及试
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