Android引导页面去除白屏

1.在style.xml加上theme：

    <!-- 啟動頁去除白屏 -->
    <style name="CustomTheme.FullscreenTransparent" parent="@android:style/Theme.Holo.Light.NoActionBar">
        <item name="android:windowBackground">@android:color/transparent</item>
        <item name="android:windowIsTranslucent">true</item>
    </style>

2.在引导页面加上这个style：

android:theme="@style/CustomTheme.FullscreenTransparent"