lib/android: pin Nit buttons from Java callbacks

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>

diff --git a/lib/android/ui/ui.nit b/lib/android/ui/ui.nit
index b655529..476ad82 100644 (file)
--- a/lib/android/ui/ui.nit
+++ b/lib/android/ui/ui.nit
@@ -186,6 +186,7 @@ redef class NativeButton
        private new (context: NativeActivity, sender_object: Button)
        import Button.on_click in "Java" `{
                final int final_sender_object = sender_object;
+               Button_incr_ref(final_sender_object);
 
                return new android.widget.Button(context){
                        @Override