透明主题

/res/values/style.xml

<resources>?
<style name="Transparent">?
<item name="android:windowIsTranslucent">true</item>?
<item name="android:windowAnimationStyle">@android:style/Animation.Translucent</item>?
<item name ="android:windowBackground">@color/transparent</item>?
<item name="android:windowNoTitle">true</item>?
<item name="android:colorForeground">#fff</item>?
</style>?
</resources>?

?

<color name="transparent">#00000000</color>

<activity android:name="MyActivity" android:theme="@style/Transparent"></activity>?

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