本文共 1399 字，大约阅读时间需要 4 分钟。
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 | public class MainActivity extends Activity { private LocationManager lm; private MyLocationListener listener; @Override protected void onCreate(Bundle savedInstanceState) { super .onCreate(savedInstanceState); setContentView(R.layout.activity_main); lm = (LocationManager) getSystemService(LOCATION_SERVICE); listener = new MyLocationListener(); lm.requestLocationUpdates( "gps" , 0 , 0 , listener); } public class MyLocationListener implements LocationListener{ //当位置发生变化的时候 @Override public void onLocationChanged(Location location) { String longitude = "经度：" +location.getLongitude()+ "\n" ; String latitude = "纬度：" +location.getLatitude()+ "\n" ; String accuracy = "精确度：" +location.getAccuracy()+ "\n" ; TextView textView = new TextView(MainActivity. this ); textView.setText(longitude+latitude+accuracy); setContentView(textView); } //某个位置提供者的状态发生变化的时候 打开--》关闭 ；关闭--》开启 @Override public void onStatusChanged(String provider, int status, Bundle extras) { } //某个位置提供者可用 @Override public void onProviderEnabled(String provider) { } //某个位置提供者不可用 @Override public void onProviderDisabled(String provider) { } } @Override protected void onDestroy() { super .onDestroy(); lm.removeUpdates(listener); listener = null ; } } |
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