package org.average.whereami;
-import org.average.whereami.CredentialStore;
-//import org.average.whereami.WhereAmIAccessResource;
+import org.average.whereami.PersistentStore;
-import java.text.DateFormat;
-import java.text.SimpleDateFormat;
-import java.util.Date;
+import java.lang.Math;
+import java.io.IOException;
-import com.google.api.client.auth.oauth2.draft10.AccessTokenResponse;
-import com.google.api.client.googleapis.auth.oauth2.draft10.GoogleAccessProtectedResource;
-import com.google.api.client.http.HttpTransport;
-import com.google.api.client.http.javanet.NetHttpTransport;
-import com.google.api.client.json.JsonFactory;
-import com.google.api.client.json.jackson.JacksonFactory;
+import com.google.api.client.googleapis.json.GoogleJsonResponseException;
+import com.google.api.client.http.HttpResponseException;
import com.google.api.services.latitude.Latitude;
import com.google.api.services.latitude.LatitudeRequest;
import com.google.api.services.latitude.model.Location;
import android.content.Context;
-import android.content.SharedPreferences;
+import android.content.res.Resources;
+import android.text.format.Time;
import android.util.Log;
public final class LastLocation extends Oracle {
private Latitude latitude;
- public LastLocation(CredentialStore store) {
- HttpTransport transport = new NetHttpTransport();
- JsonFactory jsonFactory = new JacksonFactory();
- AccessTokenResponse token = store.read();
- GoogleAccessProtectedResource accessProtectedResource =
- new GoogleAccessProtectedResource(
- token.accessToken,
- transport, jsonFactory,
- ClientCredentials.CLIENT_ID,
- ClientCredentials.CLIENT_SECRET,
- token.refreshToken)
- //{
- //@Override
- //public void onAccessToken(String accessToken) {
- // store.updateAccessToken(accessToken);
- // }
- //}
- ;
- Latitude.Builder lbldr = Latitude.builder(transport,
- jsonFactory);
- lbldr.setHttpRequestInitializer(accessProtectedResource);
- lbldr.setApplicationName("WhereAmI/1.0");
- latitude = lbldr.build();
+ private String[] loc_names;
+ private String[] loc_lats;
+ private String[] loc_lons;
+ private String[] loc_dists;
+ private String myname;
+ private String timestamp;
+ private String longago;
+ private String lessthanhour;
+ private String onehour;
+ private String hours2to4;
+ private String hours5up;
+
+ public LastLocation(final Resources res, final PersistentStore store) {
+ super(res, store);
+ loc_names = res.getStringArray(R.array.loc_names);
+ loc_lats = res.getStringArray(R.array.loc_lats);
+ loc_lons = res.getStringArray(R.array.loc_lons);
+ loc_dists = res.getStringArray(R.array.loc_dists);
+ myname = res.getString(R.string.myname);
+ timestamp = res.getString(R.string.timestamp);
+ longago = res.getString(R.string.longago);
+ lessthanhour = res.getString(R.string.lessthanhour);
+ onehour = res.getString(R.string.onehour);
+ hours2to4 = res.getString(R.string.hours2to4);
+ hours5up = res.getString(R.string.hours5up);
+
+ latitude = Latitude.builder(httpTransport, jsonFactory)
+ .setHttpRequestInitializer(accessProtectedResource)
+ .setApplicationName("WhereAmI/1.0").build();
}
@Override
public final String getResult() {
try {
+ Log.v(TAG, "entering getResult");
Latitude.CurrentLocation.Get request =
latitude.currentLocation().get();
request.setGranularity("best");
- Location currentLocation = request.execute();
- return locationMessage(currentLocation);
- } catch (Exception ex) {
- return ex.getMessage();
+ Location cloc = request.execute();
+ Double lat = Double.parseDouble(
+ cloc.getLatitude().toString());
+ Double lon = Double.parseDouble(
+ cloc.getLongitude().toString());
+ Long tsm = Long.parseLong(
+ cloc.getTimestampMs().toString());
+ return locationMessage(lat, lon, tsm);
+ } catch (GoogleJsonResponseException e) {
+ Log.e(TAG, "GoogleJsonResponseException: " + e);
+ if (e.getResponse().getStatusCode() == 401) {
+ return authErrorMessage;
+ } else {
+ return e.getMessage();
+ }
+ } catch (HttpResponseException e) {
+ Log.e(TAG, "HttpResponseException: " + e);
+ return e.getMessage();
+ } catch (IOException e) {
+ e.printStackTrace();
+ return e.getMessage();
}
}
- private String locationMessage(Location currentLocation) {
- // lat = currentLocation.getLatitude();
- // lon = currentLocation.getLongitude();
- // tsm = currentLocation.getTimestampMs();
- return "Current location: " + currentLocation;
+ private String locationMessage(Double lat, Double lon, Long tsm) {
+ Log.v(TAG, "entering locationMessage(" + lat +
+ "," + lon + "," + tsm + ")");
+ String locmsg = "<UNSET>";
+ String agomsg = "<UNSET>";
+ for (int i = 0; i < loc_names.length; i++) {
+ Double dist = haversine(lat, lon,
+ Double.parseDouble(loc_lats[i]),
+ Double.parseDouble(loc_lons[i]));
+ Log.v(TAG, "Dist from " + loc_names[i] +
+ " is " + dist);
+ if ((loc_dists[i] == "0") ||
+ (dist < Double.parseDouble(loc_dists[i]))) {
+ locmsg = loc_names[i];
+ break;
+ }
+ }
+ Long ago = (System.currentTimeMillis() - tsm) / 3600000;
+ if (ago < 1) {
+ agomsg = lessthanhour;
+ } else if (ago < 2) {
+ agomsg = onehour;
+ } else if (ago < 5) {
+ agomsg = "" + ago + " " + hours2to4;
+ } else if (ago < 24) {
+ agomsg = "" + ago + " " + hours5up;
+ } else {
+ agomsg = longago;
+ }
+ return myname + " " + locmsg + ", " + timestamp +
+ " " + agomsg;
+ }
+
+ private Double toRad(Double deg) {
+ return deg * 3.14159265 / 180;
+ }
+
+ private Double haversine(Double lat1, Double lon1,
+ Double lat2, Double lon2) {
+ Double dlat = toRad(lat2 - lat1);
+ Double dlon = toRad(lon2 - lon1);
+ Double a = Math.sin(dlat / 2) * Math.sin(dlat / 2) +
+ Math.sin(dlon / 2) * Math.sin(dlon / 2) *
+ Math.cos(toRad(lat1)) * Math.cos(toRad(lat2));
+ Double c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1-a));
+ return 6371 * c;
}
}
projects / WhereAmI.git / blobdiff