[Android] Restore listener on screen rotation

[Geoffrey Métais]

vlc-android | branch: master | Geoffrey Métais <geoffrey.metais at gmail.com> | Thu Jun  7 11:41:32 2018 +0200| [d167a41c356886d58c5d4590dd79084d7ba01117] | committer: Geoffrey Métais

Restore listener on screen rotation

> https://code.videolan.org/videolan/vlc-android/commit/d167a41c356886d58c5d4590dd79084d7ba01117
---

 .../src/org/videolan/vlc/gui/dialogs/ContextSheet.kt       | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/vlc-android/src/org/videolan/vlc/gui/dialogs/ContextSheet.kt b/vlc-android/src/org/videolan/vlc/gui/dialogs/ContextSheet.kt
index 264d997af..e1816ed8f 100644
--- a/vlc-android/src/org/videolan/vlc/gui/dialogs/ContextSheet.kt
+++ b/vlc-android/src/org/videolan/vlc/gui/dialogs/ContextSheet.kt
@@ -49,6 +49,20 @@ class ContextSheet : BottomSheetDialogFragment() {
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         itemPosition = arguments?.getInt(CTX_POSITION_KEY) ?: -1
+        if (!this::receiver.isInitialized) restoreReceiver(savedInstanceState)
+    }
+
+    private fun restoreReceiver(savedInstanceState: Bundle?) {
+        if (savedInstanceState != null) {
+            val fragments = requireActivity().supportFragmentManager.fragments
+            for ((index, fragment) in fragments.withIndex()) {
+                if (fragment is CtxActionReceiver) {
+                    receiver = fragment
+                    return
+                } else if (index > 1) break
+            }
+        }
+        dismiss()
     }
 
     override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {