Limit ripple to parent folder

app/src/main/java/eu/faircode/email/AdapterFolder.java

@@ -94,6 +94,7 @@ public class AdapterFolder extends RecyclerView.Adapter<AdapterFolder.ViewHolder
         private ImageView ivSync;
         private TextView tvKeywords;
         private TextView tvError;
+        private View vwRipple;
         private RecyclerView rvChilds;
 
         private AdapterFolder childs;
@@ -124,6 +125,7 @@ public class AdapterFolder extends RecyclerView.Adapter<AdapterFolder.ViewHolder
             ivSync = itemView.findViewById(R.id.ivSync);
             tvKeywords = itemView.findViewById(R.id.tvKeywords);
             tvError = itemView.findViewById(R.id.tvError);
+            vwRipple = itemView.findViewById(R.id.vwRipple);
 
             rvChilds = itemView.findViewById(R.id.rvChilds);
             LinearLayoutManager llm = new LinearLayoutManager(context);
@@ -294,6 +296,9 @@ public class AdapterFolder extends RecyclerView.Adapter<AdapterFolder.ViewHolder
             if (view.getId() == R.id.ivExpander)
                 onCollapse(folder);
             else {
+                vwRipple.setPressed(true);
+                vwRipple.setPressed(false);
+
                 LocalBroadcastManager lbm = LocalBroadcastManager.getInstance(context);
                 lbm.sendBroadcast(
                         new Intent(ActivityView.ACTION_VIEW_MESSAGES)

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

@@ -8,8 +8,7 @@
         android:id="@+id/clItem"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:background="?attr/activatableItemBackground"
-        android:foreground="?attr/selectableItemBackground">
+        android:background="?attr/activatableItemBackground">
 
         <View
             android:id="@+id/vwColor"
@@ -182,6 +181,16 @@
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/tvError" />
 
+        <View
+            android:id="@+id/vwRipple"
+            android:layout_width="0dp"
+            android:layout_height="0dp"
+            android:background="?android:attr/selectableItemBackground"
+            app:layout_constraintBottom_toTopOf="@id/vSeparator"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent" />
+
         <androidx.recyclerview.widget.RecyclerView
             android:id="@+id/rvChilds"
             android:layout_width="0dp"