Android Dialog背景全透明无边框 Theme Style

http://www.cnblogs.com/androidwsjisji/archive/2012/03/14/2395779.html

<style name="Translucent_NoTitle" parent="android:style/Theme.Dialog">
<item name="android:windowNoTitle">true</item>
<item name="android:background">#00000000</item>
<item name="android:windowBackground">@android:color/transparent</item>
<item name="android:colorBackgroundCacheHint">@null</item>
<item name="android:windowIsTranslucent">true</item>
</style>

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