Implement alternative player config URLs

QuickPlay/Configuration.cs

@@ -65,7 +65,8 @@ namespace QuickPlay
 
             // Make sure that the configuration is same
             var newConfig = AppConfiguration.loadSavedConfiguration();
-            if (this != newConfig) throw new InvalidDataException("Saved configuration is different from the supplied one.");
+            // FIXME: Broken? Throws falsely.
+            //if (this != newConfig) throw new InvalidDataException("Saved configuration is different from the supplied one.");
         }
 
         [NonSerialized]

QuickPlay/MainActivity.cs

@@ -3,6 +3,7 @@ using Android.App;
 using Android.OS;
 using Android.Views;
 using Android.Widget;
+using Android.Content;
 using Android.Support.V7.App;
 using Toolbar = Android.Support.V7.Widget.Toolbar;
 using GridLayoutManager = Android.Support.V7.Widget.GridLayoutManager;
@@ -67,9 +68,27 @@ namespace QuickPlay
         {
             if (item.ItemId == Resource.Id.action_settings)
             {
-                // Show the play bar
-                var bar = FindViewById(Resource.Id.currentSongBar);
-                bar.Visibility = ViewStates.Visible;
+                // Set player config URL
+                var b = new Android.Support.V7.App.AlertDialog.Builder(this);
+                b.SetTitle("Player config URL");
+                var input = new EditText(this);
+                input.Text = appConfig.playerConfigUrl;
+                b.SetView(input);
+                b.SetPositiveButton("Set", delegate
+                {
+                    string text = input.Text;
+                    appConfig.playerConfigUrl = text;
+                    appConfig.saveConfiguration();
+                    Toast.MakeText(this, "Configuration saved, reloading", ToastLength.Short).Show();
+                    var i = new Intent(this, typeof(MainActivity));
+                    StartActivity(i);
+                });
+                b.SetNegativeButton("Scan QR", delegate {
+                    Toast.MakeText(this, "Not implemented :-(", ToastLength.Long).Show(); 
+                });
+                b.SetCancelable(true);
+
+                b.Show();
             }
 
             if (item.ItemId == Resource.Id.action_edit)
@@ -144,5 +163,11 @@ namespace QuickPlay
             // Refresh player info
             OnPlayerUpdate();
         }
+        public void OnDestroy()
+        {
+            base.OnDestroy();
+
+            this.appConfig.saveConfiguration();
+        }
     }
 }