<?xml version="1.0" encoding="utf-8"?>
  <resources>

      <style name="Theme.TransparentWin" parent="android:Theme">

          <item name="android:windowFrame">@null</item>
          <item name="android:windowIsFloating">true</item>
          <item name="android:windowIsTranslucent">true</item>
          <item name="android:windowNoTitle">true</item>
          <item name="android:windowBackground">@color/transparent</item>
          <item name="android:backgroundDimEnabled">true</item>

          <item name="android:windowFullscreen">true</item>

      </style>

      <style name="Theme.WinForExchange" parent="@style/Theme.TransparentWin">

          <item name="android:backgroundDimEnabled">true</item>
      </style>
  
  </resources>