Fixed rounded corners of main lists not properly applied on old Android versions

app/src/main/java/org/linphone/ui/main/chat/fragment/ConversationsListFragment.kt

@@ -119,6 +119,7 @@ class ConversationsListFragment : AbstractMainFragment() {
 
         binding.conversationsList.setHasFixedSize(true)
         binding.conversationsList.layoutManager = LinearLayoutManager(requireContext())
+        binding.conversationsList.outlineProvider = outlineProvider
         binding.conversationsList.clipToOutline = true
 
         adapter.conversationLongClickedEvent.observe(viewLifecycleOwner) {

app/src/main/java/org/linphone/ui/main/fragment/AbstractMainFragment.kt

@@ -20,9 +20,11 @@
 package org.linphone.ui.main.fragment
 
 import android.content.res.Configuration
+import android.graphics.Outline
 import android.os.Bundle
 import android.view.View
 import android.view.ViewGroup
+import android.view.ViewOutlineProvider
 import android.view.inputmethod.EditorInfo
 import androidx.activity.OnBackPressedCallback
 import androidx.annotation.IdRes
@@ -54,6 +56,14 @@ abstract class AbstractMainFragment : GenericMainFragment() {
         private const val TAG = "[Abstract Main Fragment]"
     }
 
+    protected val outlineProvider = object : ViewOutlineProvider() {
+        override fun getOutline(view: View?, outline: Outline?) {
+            val radius = resources.getDimension(R.dimen.top_bar_rounded_corner_radius)
+            view ?: return
+            outline?.setRoundRect(0, 0, view.width, (view.height + radius).toInt(), radius)
+        }
+    }
+
     private var currentFragmentId: Int = 0
 
     private lateinit var viewModel: AbstractMainViewModel

app/src/main/java/org/linphone/ui/main/history/fragment/HistoryListFragment.kt

@@ -106,6 +106,7 @@ class HistoryListFragment : AbstractMainFragment() {
 
         binding.historyList.setHasFixedSize(true)
         binding.historyList.layoutManager = LinearLayoutManager(requireContext())
+        binding.historyList.outlineProvider = outlineProvider
         binding.historyList.clipToOutline = true
 
         adapter.callLogLongClickedEvent.observe(viewLifecycleOwner) {

app/src/main/java/org/linphone/ui/main/meetings/fragment/MeetingsListFragment.kt

@@ -118,6 +118,7 @@ class MeetingsListFragment : AbstractMainFragment() {
 
         val headerItemDecoration = RecyclerViewHeaderDecoration(requireContext(), adapter)
         binding.meetingsList.addItemDecoration(headerItemDecoration)
+        binding.meetingsList.outlineProvider = outlineProvider
         binding.meetingsList.clipToOutline = true
 
         binding.setNewMeetingClicked {

app/src/main/res/values/dimen.xml

@@ -42,6 +42,7 @@
     <dimen name="primary_secondary_buttons_label_padding">11dp</dimen>
     <dimen name="dialog_top_bottom_margin">20dp</dimen>
 
+    <dimen name="top_bar_rounded_corner_radius">20dp</dimen>
     <dimen name="top_bar_shadow_height">54dp</dimen>
     <dimen name="top_bar_height">55dp</dimen>
     <dimen name="toast_top_margin">70dp</dimen> <!-- 15dp + top_bar_height -->