Catch number format exception (fix #21)

src/org/traccar/client/TraccarService.java

@@ -27,12 +27,15 @@ import android.location.LocationProvider;
 import android.os.Bundle;
 import android.os.IBinder;
 import android.preference.PreferenceManager;
+import android.util.Log;
 
 /**
  * Background service
  */
 public class TraccarService extends Service {
 
+    public static final String LOG_TAG = "Traccar.TraccarService";
+
     private String id;
     private String address;
     private int port;
@@ -54,11 +57,15 @@ public class TraccarService extends Service {
 
         sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
 
+        try {
             id = sharedPreferences.getString(TraccarActivity.KEY_ID, null);
             address = sharedPreferences.getString(TraccarActivity.KEY_ADDRESS, null);
+            provider = sharedPreferences.getString(TraccarActivity.KEY_PROVIDER, null);
             port = Integer.valueOf(sharedPreferences.getString(TraccarActivity.KEY_PORT, null));
             interval = Integer.valueOf(sharedPreferences.getString(TraccarActivity.KEY_INTERVAL, null));
-        provider = sharedPreferences.getString(TraccarActivity.KEY_PROVIDER, null);
+        } catch (Exception error) {
+            Log.w(LOG_TAG, error);
+        }
 
         clientController = new ClientController(this, address, port, Protocol.createLoginMessage(id));
         clientController.start();
@@ -121,6 +128,7 @@ public class TraccarService extends Service {
         @Override
         public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
             StatusActivity.addMessage(getString(R.string.status_preference_update));
+            try {
                 if (key.equals(TraccarActivity.KEY_ADDRESS)) {
                     address = sharedPreferences.getString(TraccarActivity.KEY_ADDRESS, null);
                     clientController.setNewServer(address, port);
@@ -139,6 +147,9 @@ public class TraccarService extends Service {
                     locationManager.removeUpdates(locationListener);
                     locationManager.requestLocationUpdates(provider, interval * 1000, 0, locationListener);
                 }
+            } catch (Exception error) {
+                Log.w(LOG_TAG, error);
+            }
         }
 
     };