--- android/TrainInfo/src/dk/thoerup/traininfo/WelcomeScreen.java	2011/07/07 19:44:01	1548
+++ android/TrainInfo/src/dk/thoerup/traininfo/WelcomeScreen.java	2011/08/31 20:23:36	1594
@@ -2,14 +2,13 @@
 
 
 
-import java.util.ArrayList;
+import java.io.InvalidClassException;
 
 import android.app.Activity;
 import android.app.ProgressDialog;
 import android.content.Intent;
 import android.content.SharedPreferences;
 import android.content.SharedPreferences.Editor;
-import android.location.Location;
 import android.net.Uri;
 import android.os.AsyncTask;
 import android.os.Bundle;
@@ -25,14 +24,11 @@
 
 import com.nullwire.trace.ExceptionHandler;
 
-import dk.thoerup.android.traininfo.common.StationEntry;
 import dk.thoerup.androidutils.CheckUpdates;
 import dk.thoerup.traininfo.provider.OfflineStationProvider;
 import dk.thoerup.traininfo.provider.ProviderFactory;
 import dk.thoerup.traininfo.provider.StationProvider;
-import dk.thoerup.traininfo.stationmap.GeoPair;
-import dk.thoerup.traininfo.stationmap.StationMapView;
-import dk.thoerup.traininfo.util.MessageBox;
+
 
 public class WelcomeScreen extends Activity{
 	
@@ -51,6 +47,8 @@
 	
 	SharedPreferences prefs;
 	
+	StationLoader stationLoader;
+	
 	@Override
 	public void onCreate(Bundle savedInstanceState) {
 		
@@ -92,25 +90,34 @@
 		
 		if (sp instanceof OfflineStationProvider ) {
 			OfflineStationProvider osp = (OfflineStationProvider) sp;
-			try {
-				
-				long last = prefs.getLong(stationsreload, 0);
-				long now = System.currentTimeMillis();
-				
-				if ( (now-last) > (14*24*60*60*1000) ) {
-					new StationLoader(osp).execute( (Void)null);
-				} else {
+			long last = prefs.getLong(stationsreload, 0);
+			long now = System.currentTimeMillis();
+			Log.i("TrainInfo", "Last Load: " + last);
+			
+			if ( (now-last) > (14*24*60*60*1000) ) {
+				stationLoader = new StationLoader(osp);
+				stationLoader.execute( (Void)null);
+			} else {
+			
+				boolean didLoad = false;
 				
-					boolean didLoad = osp.loadStations(this);
-					
-					if (didLoad == false) {					
-						new StationLoader(osp).execute( (Void)null);
-					}
+				try {
+					didLoad = osp.loadStations(this);
+				} 
+				catch (InvalidClassException e) {
+					Log.i("TrainInfo", "invalid class - do a new download of stationlist");
+				}
+				catch (Exception e) {
+					Toast.makeText(this, "" + e.getMessage(), Toast.LENGTH_SHORT).show();
+					Log.e("TrainInfo", "load error", e);
 				}
 				
-			} catch (Exception e) {
-				Toast.makeText(this, "" + e.getMessage(), Toast.LENGTH_SHORT).show();
+				if (didLoad == false) {					
+					stationLoader = new StationLoader(osp);
+					stationLoader.execute( (Void)null);
+				}
 			}
+
 		}
 	}
 	
@@ -119,6 +126,10 @@
 	@Override
 	protected void onDestroy() {
 		super.onDestroy();
+		if (stationLoader != null) {
+			stationLoader.cancel(true);
+		}
+		
 		ProviderFactory.purgeOldEntries(); //exiting application, do some cleanup
 	}
 
@@ -188,6 +199,19 @@
 		
 		@Override
 		public void onClick(View v) {
+			
+			StationProvider sp = ProviderFactory.getStationProvider();
+			
+			if (sp instanceof OfflineStationProvider ) {
+				OfflineStationProvider osp = (OfflineStationProvider) sp;
+				
+				if (! osp.hasStations()) {
+					stationLoader = new StationLoader(osp);
+					stationLoader.execute( (Void)null);	
+					return;
+				}
+			}
+			
 			Intent intent = new Intent(WelcomeScreen.this, StationList.class);
 			intent.putExtra("type", launchType);
 			WelcomeScreen.this.startActivity(intent);
@@ -201,6 +225,7 @@
 		boolean succeeded;
 		ProgressDialog dlg;
 		OfflineStationProvider osp;
+		String exMsg;
 		
 		public StationLoader(OfflineStationProvider osp) {
 			this.osp = osp;
@@ -213,18 +238,19 @@
 				succeeded = true;
 			} catch (Exception e) {
 				succeeded = false;
-				Toast.makeText(WelcomeScreen.this, "Error " + e.getMessage(), Toast.LENGTH_LONG).show();
+				exMsg = e.getMessage();				
 			}
 			return null;
 		}
 
+		
 		@Override
 		protected void onPreExecute() {
 			super.onPreExecute();
 			
 			dlg = new ProgressDialog(WelcomeScreen.this);
-			dlg.setMessage( "Downloading stations list" );//TODO: translate
-			dlg.setCancelable(true);
+			dlg.setMessage( getText(R.string.welcome_downloadingstations) );
+			dlg.setCancelable(false);
 			dlg.show();
 		}
 
@@ -239,6 +265,8 @@
 				Editor edit = prefs.edit();
 				edit.putLong(stationsreload, System.currentTimeMillis() );
 				edit.commit();
+			} else {
+				Toast.makeText(WelcomeScreen.this, "Error " + exMsg, Toast.LENGTH_LONG).show();
 			}
 		}	
 	}