x秒ごとにy距離後に位置情報の更新を受信するサービスを作成しようとしています。x 秒後に更新を受け取りますが、y 距離後には受け取りません。さまざまな値で何度もテストしましたが、setSmallestDisplacement がまったく機能していないようです。その問題についてはさまざまな投稿がありましたが、解決策はありません。誰かが私を助けてくれたり、別の方向に向けてくれたりしてくれたら幸いです。
私のサービス
public class GPS_Service extends Service implements GoogleApiClient.ConnectionCallbacks,
GoogleApiClient.OnConnectionFailedListener, LocationListener {
private GoogleApiClient mGoogleApiClient;
private LocationRequest mLocationRequest;
private int timethresh;
private int distancethresh;
protected Location mCurrentLocation;
@Override
public IBinder onBind(Intent intent) {
return null;
}
@Override
public void onCreate() {
super.onCreate();
mGoogleApiClient = new GoogleApiClient.Builder(this)
.addApi(LocationServices.API)
.addConnectionCallbacks(this)
.addOnConnectionFailedListener(this)
.build();
mGoogleApiClient.connect();
}
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
mLocationRequest = new LocationRequest();
mLocationRequest.setPriority(LocationRequest.PRIORITY_HIGH_ACCURACY);
//Set the desired interval for active location updates, in milliseconds.
mLocationRequest.setInterval(60* 1000);
//Explicitly set the fastest interval for location updates, in milliseconds.
mLocationRequest.setFastestInterval(30* 1000);
//Set the minimum displacement between location updates in meters
mLocationRequest.setSmallestDisplacement(1); // float
return super.onStartCommand(intent, flags, startId);
}
@Override
public void onConnected(Bundle bundle) {
if (mCurrentLocation == null) {
mCurrentLocation = LocationServices.FusedLocationApi.getLastLocation(mGoogleApiClient);
}
//Requests location updates from the FusedLocationApi.
startLocationUpdates();
}
@Override
public void onLocationChanged(Location location) {
mCurrentLocation = location;
//Toast.makeText(this, ""+mCurrentLocation.getLatitude()+","+mCurrentLocation.getLongitude(), Toast.LENGTH_SHORT).show();
System.out.println(""+mCurrentLocation.getLatitude()+","+mCurrentLocation.getLongitude());
}
@Override
public void onConnectionSuspended(int i) {
// The connection to Google Play services was lost for some reason. We call connect() to
// attempt to re-establish the connection.
mGoogleApiClient.connect();
}
@Override
public void onConnectionFailed(ConnectionResult connectionResult) {
Toast.makeText(getApplicationContext(),"Location services connection failed with code " + connectionResult.getErrorCode(), Toast.LENGTH_LONG).show();
}
protected void startLocationUpdates() {
LocationServices.FusedLocationApi.requestLocationUpdates(
mGoogleApiClient, mLocationRequest, this);
}
}