Rounded corners on drawer fragment

app/src/main/java/org/tasks/ui/NavigationDrawerFragment.kt

@@ -42,6 +42,8 @@ class NavigationDrawerFragment : BottomSheetDialogFragment() {
     @Inject lateinit var filterProvider: FilterProvider
     @Inject lateinit var taskDao: TaskDao
 
+    override fun getTheme() = R.style.CustomBottomSheetDialog
+
     private lateinit var recyclerView: RecyclerView
 
     override fun onCreate(savedInstanceState: Bundle?) {

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

@@ -3,8 +3,7 @@
   xmlns:app="http://schemas.android.com/apk/res-auto"
   android:layout_width="wrap_content"
   android:layout_height="wrap_content"
-  app:layout_behavior="android.support.design.widget.BottomSheetBehavior"
-  android:background="@color/dialog_background">
+  app:layout_behavior="android.support.design.widget.BottomSheetBehavior">
 
     <RelativeLayout
       android:layout_width="match_parent"

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

@@ -3,8 +3,7 @@
   xmlns:app="http://schemas.android.com/apk/res-auto"
   android:layout_width="wrap_content"
   android:layout_height="wrap_content"
-  app:layout_behavior="android.support.design.widget.BottomSheetBehavior"
-  android:background="@color/dialog_background">
+  app:layout_behavior="android.support.design.widget.BottomSheetBehavior">
 
     <RelativeLayout
       android:layout_width="match_parent"

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

@@ -1,17 +1,8 @@
-<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
-  xmlns:app="http://schemas.android.com/apk/res-auto"
-  xmlns:tools="http://schemas.android.com/tools"
-  android:layout_width="match_parent"
-  android:layout_height="match_parent"
-  android:background="@color/drawer_color"
-  app:insetForeground="#4000">
-
-  <androidx.recyclerview.widget.RecyclerView
+<androidx.recyclerview.widget.RecyclerView xmlns:android="http://schemas.android.com/apk/res/android"
     android:id="@+id/recycler_view"
-    android:scrollbarStyle="outsideOverlay"
+    android:paddingTop="@dimen/bottom_sheet_corners"
+    android:clipToPadding="false"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:scrollbars="vertical"
-    tools:context=".NavigationDrawerFragment"/>
-
-</FrameLayout>
+    android:scrollbarStyle="outsideOverlay"
+    android:scrollbars="vertical"/>

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

@@ -7,7 +7,7 @@
   <dimen name="keyline_second">32dp</dimen>
   <dimen name="keyline_content_inset">56dp</dimen>
   <dimen name="priority_button_width">40dp</dimen>
-
+  <dimen name="bottom_sheet_corners">12dp</dimen>
   <dimen name="task_list_footer_height">88dp</dimen>
 
   <dimen name="task_edit_text_size">16sp</dimen>

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

@@ -305,4 +305,20 @@
     <item name="boxStrokeColor">?attr/colorSecondary</item>
     <item name="hintTextColor">?attr/colorSecondary</item>
   </style>
+
+  <style name="CustomBottomSheetDialog" parent="@style/ThemeOverlay.MaterialComponents.BottomSheetDialog">
+    <item name="bottomSheetStyle">@style/CustomBottomSheet</item>
+  </style>
+
+  <style name="CustomBottomSheet" parent="Widget.MaterialComponents.BottomSheet">
+    <item name="shapeAppearanceOverlay">@style/CustomShapeAppearanceBottomSheetDialog</item>
+  </style>
+
+  <style name="CustomShapeAppearanceBottomSheetDialog" parent="">
+    <item name="cornerFamily">rounded</item>
+    <item name="cornerSizeTopRight">@dimen/bottom_sheet_corners</item>
+    <item name="cornerSizeTopLeft">@dimen/bottom_sheet_corners</item>
+    <item name="cornerSizeBottomRight">0dp</item>
+    <item name="cornerSizeBottomLeft">0dp</item>
+  </style>
 </resources>