show a bubble and fastscroller at the Add Favorite dialog

app/src/main/kotlin/com/simplemobiletools/contacts/dialogs/AddFavoritesDialog.kt

@@ -1,6 +1,7 @@
 package com.simplemobiletools.contacts.dialogs
 
 import android.support.v7.app.AlertDialog
+import com.simplemobiletools.commons.extensions.baseConfig
 import com.simplemobiletools.commons.extensions.setupDialogStuff
 import com.simplemobiletools.contacts.R
 import com.simplemobiletools.contacts.activities.SimpleActivity
@@ -28,7 +29,14 @@ class AddFavoritesDialog(val activity: SimpleActivity, val callback: () -> Unit)
             if (!activity.config.showAllContacts()) {
                 allContacts = allContacts.filter { contactSources.contains(it.source) } as ArrayList<Contact>
             }
-            view.add_favorites_list.adapter = AddFavoritesAdapter(activity, allContacts, config.favorites)
+
+            view.apply {
+                add_favorites_list.adapter = AddFavoritesAdapter(activity, allContacts, config.favorites)
+                add_favorites_fastscroller.allowBubbleDisplay = activity.baseConfig.showInfoBubble
+                add_favorites_fastscroller.setViews(add_favorites_list) {
+                    add_favorites_fastscroller.updateBubbleText(allContacts[it].getBubbleText())
+                }
+            }
 
             activity.runOnUiThread {
                 dialog = AlertDialog.Builder(activity)

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

@@ -1,11 +1,30 @@
 <?xml version="1.0" encoding="utf-8"?>
-<com.simplemobiletools.commons.views.MyRecyclerView
+<RelativeLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:id="@+id/add_favorites_holder"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content">
+
+    <com.simplemobiletools.commons.views.MyRecyclerView
         android:id="@+id/add_favorites_list"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:clipToPadding="false"
-    android:paddingTop="@dimen/medium_margin"
-    android:scrollbars="vertical"
         app:layoutManager="android.support.v7.widget.LinearLayoutManager"/>
+
+    <com.simplemobiletools.commons.views.FastScroller
+        android:id="@+id/add_favorites_fastscroller"
+        android:layout_width="wrap_content"
+        android:layout_height="match_parent"
+        android:layout_alignBottom="@+id/add_favorites_list"
+        android:layout_alignParentEnd="true"
+        android:layout_alignParentRight="true"
+        android:layout_alignTop="@+id/add_favorites_list"
+        android:paddingLeft="@dimen/normal_margin"
+        android:paddingStart="@dimen/normal_margin">
+
+        <include layout="@layout/fastscroller_handle_vertical"/>
+
+    </com.simplemobiletools.commons.views.FastScroller>
+</RelativeLayout>

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

@@ -13,7 +13,7 @@
         android:id="@+id/contact_holder"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:paddingRight="@dimen/medium_margin">
+        android:paddingRight="@dimen/normal_margin">
 
         <ImageView
             android:id="@+id/contact_tmb"

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

@@ -13,7 +13,7 @@
         android:id="@+id/contact_holder"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:paddingRight="@dimen/medium_margin">
+        android:paddingRight="@dimen/normal_margin">
 
         <ImageView
             android:id="@+id/contact_tmb"