Add fragment_chat_rooms.xml

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

+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout 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"
+    tools:context=".chatrooms.ui.ChatRoomsFragment">
+
+    <android.support.v7.widget.RecyclerView
+        android:id="@+id/recycler_view"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:clipToPadding="false"
+        android:gravity="center_horizontal"
+        android:paddingTop="84dp" />
+
+    <com.arlib.floatingsearchview.FloatingSearchView
+        android:id="@+id/floating_search_view"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        app:floatingSearch_close_search_on_keyboard_dismiss="true"
+        app:floatingSearch_dimBackground="false"
+        app:floatingSearch_dismissOnOutsideTouch="true"
+        app:floatingSearch_leftActionMode="showSearch"
+        app:floatingSearch_searchBarMarginLeft="4dp"
+        app:floatingSearch_searchBarMarginRight="4dp"
+        app:floatingSearch_searchBarMarginTop="28dp" />
+
+    <com.wang.avi.AVLoadingIndicatorView
+        android:id="@+id/view_loading"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_centerInParent="true"
+        android:visibility="gone"
+        app:indicatorColor="@color/black"
+        app:indicatorName="BallPulseIndicator"
+        tools:visibility="visible" />
+
+</RelativeLayout>
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