Fix background color on forward sheet bottom bar.

app/src/main/java/org/thoughtcrime/securesms/components/FixedRoundedCornerBottomSheetDialogFragment.kt

@@ -1,9 +1,11 @@
 package org.thoughtcrime.securesms.components
 
 import android.app.Dialog
+import android.graphics.Color
 import android.os.Bundle
 import android.view.ContextThemeWrapper
 import android.view.View
+import androidx.annotation.ColorInt
 import androidx.annotation.StyleRes
 import androidx.core.view.ViewCompat
 import com.google.android.material.bottomsheet.BottomSheetBehavior
@@ -26,6 +28,9 @@ abstract class FixedRoundedCornerBottomSheetDialogFragment : BottomSheetDialogFr
   @StyleRes
   protected open val themeResId: Int = R.style.Widget_Signal_FixedRoundedCorners
 
+  @ColorInt
+  protected var backgroundColor: Int = Color.TRANSPARENT
+
   override fun onCreate(savedInstanceState: Bundle?) {
     super.onCreate(savedInstanceState)
     setStyle(STYLE_NORMAL, themeResId)
@@ -44,7 +49,8 @@ abstract class FixedRoundedCornerBottomSheetDialogFragment : BottomSheetDialogFr
     val dialogBackground = MaterialShapeDrawable(shapeAppearanceModel)
 
     val bottomSheetStyle = ThemeUtil.getThemedResourceId(ContextThemeWrapper(requireContext(), themeResId), R.attr.bottomSheetStyle)
-    dialogBackground.setTint(ThemeUtil.getThemedColor(ContextThemeWrapper(requireContext(), bottomSheetStyle), R.attr.backgroundTint))
+    backgroundColor = ThemeUtil.getThemedColor(ContextThemeWrapper(requireContext(), bottomSheetStyle), R.attr.backgroundTint)
+    dialogBackground.setTint(backgroundColor)
 
     dialog.behavior.addBottomSheetCallback(object : BottomSheetBehavior.BottomSheetCallback() {
       override fun onStateChanged(bottomSheet: View, newState: Int) {

app/src/main/java/org/thoughtcrime/securesms/conversation/mutiselect/forward/MultiselectForwardBottomSheet.kt

@@ -39,6 +39,10 @@ class MultiselectForwardBottomSheet : FixedRoundedCornerBottomSheetDialogFragmen
     return requireView().parent.parent.parent as ViewGroup
   }
 
+  override fun getDialogBackgroundColor(): Int {
+    return backgroundColor
+  }
+
   override fun setResult(bundle: Bundle) {
     setFragmentResult(MultiselectForwardFragment.RESULT_SELECTION, bundle)
   }

app/src/main/java/org/thoughtcrime/securesms/conversation/mutiselect/forward/MultiselectForwardFragment.kt

@@ -47,7 +47,10 @@ import org.thoughtcrime.securesms.util.fragments.findListener
 import org.thoughtcrime.securesms.util.views.SimpleProgressDialog
 import org.thoughtcrime.securesms.util.visible
 
-class MultiselectForwardFragment : Fragment(R.layout.multiselect_forward_fragment), SafetyNumberChangeDialog.Callback, ChooseStoryTypeBottomSheet.Callback {
+class MultiselectForwardFragment :
+  Fragment(R.layout.multiselect_forward_fragment),
+  SafetyNumberChangeDialog.Callback,
+  ChooseStoryTypeBottomSheet.Callback {
 
   private val viewModel: MultiselectForwardViewModel by viewModels(factoryProducer = this::createViewModelFactory)
   private val disposables = LifecycleDisposable()
@@ -101,6 +104,9 @@ class MultiselectForwardFragment : Fragment(R.layout.multiselect_forward_fragmen
     val shareSelectionRecycler: RecyclerView = bottomBar.findViewById(R.id.selected_list)
     val shareSelectionAdapter = ShareSelectionAdapter()
     val sendButton: View = bottomBar.findViewById(R.id.share_confirm)
+    val backgroundHelper: View = bottomBar.findViewById(R.id.background_helper)
+
+    backgroundHelper.setBackgroundColor(callback.getDialogBackgroundColor())
 
     title?.setText(requireArguments().getInt(ARG_TITLE))
 
@@ -354,6 +360,7 @@ class MultiselectForwardFragment : Fragment(R.layout.multiselect_forward_fragmen
     fun onSearchInputFocused()
     fun setResult(bundle: Bundle)
     fun getContainer(): ViewGroup
+    fun getDialogBackgroundColor(): Int
   }
 
   companion object {

app/src/main/java/org/thoughtcrime/securesms/conversation/mutiselect/forward/MultiselectForwardFullScreenDialogFragment.kt

@@ -3,6 +3,7 @@ package org.thoughtcrime.securesms.conversation.mutiselect.forward
 import android.os.Bundle
 import android.view.View
 import android.view.ViewGroup
+import androidx.core.content.ContextCompat
 import androidx.fragment.app.setFragmentResult
 import org.thoughtcrime.securesms.R
 import org.thoughtcrime.securesms.components.FullScreenDialogFragment
@@ -28,6 +29,10 @@ class MultiselectForwardFullScreenDialogFragment : FullScreenDialogFragment(), M
     }
   }
 
+  override fun getDialogBackgroundColor(): Int {
+    return ContextCompat.getColor(requireContext(), R.color.signal_background_primary)
+  }
+
   override fun getContainer(): ViewGroup {
     return requireView().findViewById(R.id.full_screen_dialog_content) as ViewGroup
   }

app/src/main/res/layout/multiselect_forward_fragment_bottom_bar.xml

@@ -10,7 +10,6 @@
         android:id="@+id/background_helper"
         android:layout_width="0dp"
         android:layout_height="0dp"
-        android:background="?android:windowBackground"
         app:layout_constraintBottom_toBottomOf="@id/selected_list"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"