<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
 xmlns:tools="http://schemas.android.com/tools"
 android:id="@+id/activity_main"
 android:layout_width="300dp"
 android:layout_height="400dp"
 android:layout_gravity="center"
 android:background="@drawable/popup_bg"
 android:orientation="vertical"
 tools:context="com.yankee.september_2.MainActivity">
 <LinearLayout
  android:layout_width="match_parent"
  android:layout_height="wrap_content"
  android:layout_above="@+id/btn_update"
  android:layout_marginBottom="24dp"
  android:layout_marginLeft="20dp"
  android:layout_marginRight="20dp"
  android:orientation="vertical">
  <TextView
   android:layout_width="wrap_content"
   android:layout_height="wrap_content"
   android:layout_gravity="center_horizontal"
   android:text="Version"
   android:textColor="#53BAF8"
   android:textSize="14sp" />
  <ScrollView
   android:layout_width="match_parent"
   android:layout_height="100dp"
   android:layout_gravity="center_horizontal"
   android:layout_marginTop="12dp">
   <TextView
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="Nowadays， when it comes to the issues of robots， individuals' opinions vary from person to person。 Some people believe that robots will enlighten our life， while other are worried about that they will ruin the whole world。 As I see， the increasing number of robots has the power to alter everything in the coming future entirely。"
    android:textColor="#404040"
    android:textSize="12sp" />
  </ScrollView>
 </LinearLayout>
 <Button
  android:id="@+id/btn_update"
  android:layout_width="130dp"
  android:layout_height="32dp"
  android:layout_alignParentBottom="true"
  android:layout_centerHorizontal="true"
  android:layout_marginBottom="16dp"
  android:background="@color/colorAccent"
  android:gravity="center"
  android:text="Update now"
  android:textColor="#FFFFFF"
  android:textSize="14sp" />
</RelativeLayout>

<activity
 android:name=".MainActivity"
 android:screenOrientation="portrait"
 android:theme="@style/TipDialog">
</activity>

<style name="TipDialog" parent="@android:style/Theme.Dialog">
 <item name="android:windowNoTitle">true</item>
 <item name="android:windowBackground">@android:color/transparent</item>
</style>