1

1 日を通して (約 15 分ごとに) Android で場所を確認し、地理座標を保存することに関する情報を探しています。これは、アプリがフォアグラウンドで実行されているときだけでなく、アプリがバックグラウンドにあるときにも発生します。検索用語がよくわからず、何も見つからないようです。誰かが私を正しい方向に向けるために検索用語を提案することさえできますか?

どうもありがとう、ケビン

編集:

public class MyService extends Service
{
private static final String TAG = "Location";
private LocationManager mLocationManager = null;
private static final int LOCATION_INTERVAL = 1000;
private static final float LOCATION_DISTANCE = 10f;

private class LocationListener implements android.location.LocationListener{
Location mLastLocation;
public LocationListener(String provider)
{
    Log.i(TAG, "LocationListener " + provider);
    mLastLocation = new Location(provider);
}
public void onLocationChanged(Location location)
{
    Log.i(TAG, "onLocationChanged: " + location);
    mLastLocation.set(location);
}
public void onProviderDisabled(String provider)
{
    Log.i(TAG, "onProviderDisabled: " + provider);            
}

public void onProviderEnabled(String provider)
{
    Log.i(TAG, "onProviderEnabled: " + provider);
}

public void onStatusChanged(String provider, int status, Bundle extras)
{
    Log.i(TAG, "onStatusChanged: " + provider);
}
} 
LocationListener[] mLocationListeners = new LocationListener[] {
    new LocationListener(LocationManager.GPS_PROVIDER),
};
@Override
public IBinder onBind(Intent arg0)
{
return null;
}
@Override
public int onStartCommand(Intent intent, int flags, int startId)
{
Log.i(TAG, "onStartCommand");
super.onStartCommand(intent, flags, startId);       
return START_STICKY;
}
@Override
public void onCreate()
{
Log.i(TAG, "onCreate");
initializeLocationManager();
try {
    Thread LocThread = new Thread(new Runnable() {
        public void run() {
            mLocationManager.requestLocationUpdates(
                    LocationManager.GPS_PROVIDER, LOCATION_INTERVAL,     LOCATION_DISTANCE,
                    mLocationListeners[0]);
           }
        });

        try {
            LocThread.join();
        } catch (InterruptedException e) {
            Log.i("LocationError","Thread could not join");
            e.printStackTrace();
        }

} catch (java.lang.SecurityException ex) {
    Log.i(TAG, "fail to request location update, ignore", ex);
} catch (IllegalArgumentException ex) {
    Log.i(TAG, "gps provider does not exist " + ex.getMessage());
}
}
@Override
public void onDestroy()
{
Log.e(TAG, "onDestroy");
super.onDestroy();
if (mLocationManager != null) {
    for (int i = 0; i < mLocationListeners.length; i++) {
        try {
            mLocationManager.removeUpdates(mLocationListeners[i]);
        } catch (Exception ex) {
            Log.i(TAG, "fail to remove location listners, ignore", ex);
        }
    }
}
} 
private void initializeLocationManager() {
Log.e(TAG, "initializeLocationManager");
if (mLocationManager == null) {
    Thread LocThread = new Thread(new Runnable() {
        public void run() {
            mLocationManager = (LocationManager)     getApplicationContext().getSystemService(Context.LOCATION_SERVICE);
           }
        });

        try {
            LocThread.join();
        } catch (InterruptedException e) {
            Log.i("LocationError","Thread could not join");
            e.printStackTrace();
        }

}
}
}
4

1 に答える 1

0

Android で位置情報を取得する方法と、AlarmManager を使用して定期的にサービスをスケジュールする方法について読む必要があります。

于 2013-08-28T08:04:02.433 に答える