Fix / Shared element transition overlap

Shared element was overlapping top system bars

vector/src/main/java/im/vector/riotx/features/home/room/detail/RoomDetailFragment.kt

@@ -35,6 +35,7 @@ import androidx.annotation.DrawableRes
 import androidx.appcompat.app.AlertDialog
 import androidx.core.app.ActivityOptionsCompat
 import androidx.core.content.ContextCompat
+import androidx.core.util.Pair
 import androidx.core.view.ViewCompat
 import androidx.core.view.forEach
 import androidx.lifecycle.ViewModelProviders
@@ -708,9 +709,15 @@ class RoomDetailFragment :
         // TODO Use navigator
 
         val intent = ImageMediaViewerActivity.newIntent(vectorBaseActivity, mediaData, ViewCompat.getTransitionName(view))
+        val pairs = ArrayList<Pair<View, String>>()
+        requireActivity().window.decorView.findViewById<View>(android.R.id.statusBarBackground)?.let {
+            pairs.add(Pair(it, Window.STATUS_BAR_BACKGROUND_TRANSITION_NAME))
+        }
+        pairs.add(Pair(view, ViewCompat.getTransitionName(view) ?: ""))
+        pairs.add(Pair(roomToolbar, ViewCompat.getTransitionName(roomToolbar) ?: ""))
+
         val bundle = ActivityOptionsCompat.makeSceneTransitionAnimation(
-                requireActivity(), view, ViewCompat.getTransitionName(view)
-                                         ?: "").toBundle()
+                requireActivity(), *pairs.toTypedArray()).toBundle()
         startActivity(intent, bundle)
     }
 

vector/src/main/res/layout/activity_image_media_viewer.xml

@@ -10,6 +10,7 @@
         android:id="@+id/imageMediaViewerToolbar"
         android:layout_width="match_parent"
         android:layout_height="?attr/actionBarSize"
+        android:transitionName="toolbar"
         android:elevation="4dp" />
 
 

vector/src/main/res/layout/fragment_room_detail.xml

@@ -11,6 +11,7 @@
         style="@style/VectorToolbarStyle"
         android:layout_width="0dp"
         android:layout_height="?actionBarSize"
+        android:transitionName="toolbar"
         android:elevation="4dp"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"