Android的Location功能

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 public class  MainActivity extends Activity {    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);

}    public static boolean isEnabled(Context context) {          LocationManager mLocationManager = (LocationManager) context                  .getSystemService(Context.LOCATION_SERVICE);          if (mLocationManager.isProviderEnabled(LocationManager.GPS_PROVIDER)) {              return true;          }          if (mLocationManager                  .isProviderEnabled(LocationManager.NETWORK_PROVIDER)) {              return true;          }          return false;      }        public static void startLocationService(Context context) {          LocationManager mLocationManager = (LocationManager) context                  .getSystemService(Context.LOCATION_SERVICE);          mLocationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER,                  1000L, 10, mLocationListener);          mLocationManager.requestLocationUpdates(                  LocationManager.NETWORK_PROVIDER, 1000L, 10,                  mLocationListener);      }        public static void stopLocationService(Context context) {          LocationManager mLocationManager = (LocationManager) context                  .getSystemService(Context.LOCATION_SERVICE);          mLocationManager.removeUpdates(mLocationListener);      }        public static Location getLocationByGPS(Context context) {          LocationManager mLocationManager = (LocationManager) context                  .getSystemService(Context.LOCATION_SERVICE);          Location location = mLocationManager                  .getLastKnownLocation(LocationManager.GPS_PROVIDER);          return location;      }        public static Location getLocationByNetwork(Context context) {          LocationManager mLocationManager = (LocationManager) context                  .getSystemService(Context.LOCATION_SERVICE);          Location location = mLocationManager                  .getLastKnownLocation(LocationManager.NETWORK_PROVIDER);          return location;      }        public static void openLocationSetting(Activity act, int requestCode) {          act.startActivityForResult(new Intent(ACTION_LOCATION_SOURCE_SETTINGS),                  requestCode);      }        private static final LocationListener mLocationListener = new LocationListener() {            public void onLocationChanged(Location location) {              // 当坐标改变时触发此函数，如果Provider传进相同的坐标，它就不会被触发              System.out.println("onLocationChanged:" + location.getLatitude());          }            public void onProviderDisabled(String provider) {              // Provider被disable时触发此函数，比如GPS被关闭              System.out.println("onProviderDisabled:" + provider);          }            public void onProviderEnabled(String provider) {              // Provider被enable时触发此函数，比如GPS被打开              System.out.println("onProviderEnabled:" + provider);          }            public void onStatusChanged(String provider, int status, Bundle extras) {              // Provider的转态在可用、暂时不可用和无服务三个状态直接切换时触发此函数              System.out.println("onStatusChanged:" + status);          }      };  }

需要增加权限：

<uses-permission
android:name="android.permission.ACCESS_FINE_LOCATION" />

<uses-permission
android:name="android.permission.ACCESS_COARSE_LOCATION" />

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