1<?xml version="1.0" encoding="utf-8"?>
2<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
3    xmlns:tools="http://schemas.android.com/tools"
4    android:id="@+id/container"
5    android:layout_width="match_parent"
6    android:layout_height="match_parent"
7    tools:context=".MainActivity" />