緯度と経度を取得するバックグラウンド サービスを作成しましたが、何らかの理由で正しく機能しません。
public class BackgroundLocationService extends IntentService {
private static final String TAG = "Location Service";
private LocationManager locManager;
private LocationListener locListener = new MyLocationListener();
public static Context context;
private String latitude;
private String longitude;
Messenger messenger;
Timer t = new Timer();
public BackgroundLocationService() {
super("backgroundLocationService");
locManager = (LocationManager) context.getSystemService(Context.LOCATION_SERVICE);
locationProviderInit();
}
private void locationProviderInit() {
boolean gps_enabled;
boolean network_enabled;
gps_enabled = locManager.isProviderEnabled(LocationManager.GPS_PROVIDER);
network_enabled = locManager.isProviderEnabled(LocationManager.NETWORK_PROVIDER);
if (gps_enabled) {
locManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 0, 0, locListener);
}
if (network_enabled) {
locManager.requestLocationUpdates(LocationManager.NETWORK_PROVIDER, 0, 0, locListener);
}
}
@Override
protected void onHandleIntent(Intent intent) {
messenger = (Messenger) intent.getExtras().get("handler");
t.schedule(new TimerTask() {
@Override
public void run() {
locationProviderInit();
if (latitude != null && longitude != null) {
Log.i(TAG, "Lat and Long are: "+latitude+" - "+longitude);
} else {
Log.i(TAG, "Lat and Long are null");
}
}
}, 0, 7000);
}
class MyLocationListener implements LocationListener {
public void onLocationChanged(Location location) {
if (location != null) {
longitude = Double.toString(location.getLongitude());
latitude = Double.toString(location.getLatitude());
}
}
public void onProviderDisabled(String arg) {}
public void onProviderEnabled(String arg) {}
public void onStatusChanged(String provider, int status, Bundle extras) {}
}
}
MyLog 猫:
01-31 15:26:54.639: I/Location Service(2347): Lat and Long are null
01-31 15:26:58.057: I/Location Service(2347): Lat and Long are null
01-31 15:27:01.643: I/Location Service(2347): Lat and Long are null
01-31 15:27:05.057: I/Location Service(2347): Lat and Long are null
01-31 15:27:08.639: I/Location Service(2347): Lat and Long are null
01-31 15:27:12.065: I/Location Service(2347): Lat and Long are null
01-31 15:27:15.643: I/Location Service(2347): Lat and Long are null
01-31 15:27:19.053: I/Location Service(2347): Lat and Long are null
01-31 15:27:22.639: I/Location Service(2347): Lat and Long are null
01-31 15:27:26.057: I/Location Service(2347): Lat and Long are null
01-31 15:27:29.643: I/Location Service(2347): Lat and Long are null
01-31 15:27:33.061: I/Location Service(2347): Lat and Long are null
01-31 15:27:36.639: I/Location Service(2347): Lat and Long are null
01-31 15:27:40.061: I/Location Service(2347): Lat and Long are null
そして、3〜5分程度の時間が経過すると、場所が取得されます：
01-31 15:34:48.404: I/Location Service(2417): Lat and Long are: 47.479290815904015 - 19.086711048181996
01-31 15:34:55.408: I/Location Service(2417): Lat and Long are: 47.479290815904015 - 19.086711048181996
01-31 15:35:02.404: I/Location Service(2417): Lat and Long are: 47.479290815904015 - 19.086711048181996
01-31 15:35:09.400: I/Location Service(2417): Lat and Long are: 47.479290815904015 - 19.086711048181996
01-31 15:35:16.400: I/Location Service(2417): Lat and Long are: 47.479290815904015 - 19.086711048181996
01-31 15:35:23.400: I/Location Service(2417): Lat and Long are: 47.479290815904015 - 19.086711048181996
どうすればこれを速くすることができますか? 場所を取得するまでに 5 分も待ちたくありません。アクティブなインターネット接続があり、null の場所で数分間スパムが送信されることはありません。位置情報は私にとってミステリーであり、私が望んでいることは決してなく、常にランダム性で私を驚かせます。私はそれをさまざまな方法で構築しましたが、うまく機能するコードを作成することはできません。
助けてください、何を変更すればよいですか？