#433 Fixed crashing sync dialog on IOS devices.

core/src/cz/nic/tablexia/util/ui/dialog/components/TextFiledDialogComponent.java

@@ -184,7 +184,7 @@ public class TextFiledDialogComponent extends TablexiaDialogComponentAdapter {
         timerSet = true;
     }
 
-    private void repositionDialog(DialogPosition dialogPosition) {
+    private void repositionDialog(final DialogPosition dialogPosition) {
         TablexiaComponentDialog dialog = getDialog();
         Stage stage = getStage();
         if(dialog == null || (stage == null)) return;
@@ -194,7 +194,12 @@ public class TextFiledDialogComponent extends TablexiaDialogComponentAdapter {
                 TablexiaSettings.getViewportBottomY(stage) + TablexiaSettings.getViewportHeight(stage) * dialogPosition.getShift() - dialog.getOutterHeight() * dialogPosition.getShift()
         );
 
-        Gdx.input.setOnscreenKeyboardVisible(dialogPosition.isShowKeyboard());
+        Gdx.app.postRunnable(new Runnable() {
+            @Override
+            public void run() {
+                Gdx.input.setOnscreenKeyboardVisible(dialogPosition.isShowKeyboard());
+            }
+        });
     }
 
     private enum DialogPosition {