问安卓NavigationView (物料支持库)与状态栏交互不正常

EN

<android.support.v4.widget.DrawerLayout
    android:fitsSystemWindows="true">

    <!-- main content -->

    <android.support.design.widget.NavigationView
        .. />

</android.support.v4.widget.DrawerLayout>

<style name="MyTheme" extends "Theme.AppCompat.Light.NoActionBar">
    <item name="android:statusBarColor">@android:color/transparent</item>
    <item name="android:windowDrawsSystemBarBackgrounds">true</item>
</style>

onCreate(..) {
    ..
    // This color can be different depending on some conditions.
    DrawerLayout.setStatusBarBackground(color);
}