我找到了适合我的解决方案。
首先,您需要在MediaRouteButton上设置自定义的MediaRouteDialogFactory。
mMediaRouteMenuItem = CastButtonFactory.setUpMediaRouteButton(this, menu, R.id.media_route_menu_item)
MediaRouteButton mediaRouteButton = (MediaRouteButton) mMediaRouteMenuItem.getActionView()
mediaRouteButton.setDialogFactory(new ThemeableMediaRouteDialogFactory())
因为默认的MediaRouteDialogFactory将始终创建非主题化的对话框。
@NonNull
public MediaRouteControllerDialogFragment onCreateControllerDialogFragment() {
return new MediaRouteControllerDialogFragment();
}
这将导致
public MediaRouteControllerDialog onCreateControllerDialog(
Context context, Bundle savedInstanceState) {
return new MediaRouteControllerDialog(context);
}
但是还有一个主题构造函数MediaRouteControllerDialog(Context context, int theme),它并没有从原始的MediaRouteDialogFactory中调用。
因此,您的ThemeableMediaRouteDialogFactory应该像这样:
public class ThemeableMediaRouteDialogFactory extends MediaRouteDialogFactory {
@NonNull
@Override
public MediaRouteChooserDialogFragment onCreateChooserDialogFragment() {
return new ThemeableMediaRouterChooserDialogFragment();
}
@NonNull
@Override
public MediaRouteControllerDialogFragment onCreateControllerDialogFragment() {
return new ThemeableMediaRouteControllerDialogFragment();
}
}
跟随;用
public class ThemeableMediaRouterChooserDialogFragment extends MediaRouteChooserDialogFragment {
@Override
public MediaRouteChooserDialog onCreateChooserDialog(Context context, Bundle savedInstanceState) {
return new MediaRouteChooserDialog(context, R.style.CastChooserDialogTheme);
}
}
和
public class ThemeableMediaRouteControllerDialogFragment extends MediaRouteControllerDialogFragment {
@Override
public MediaRouteControllerDialog onCreateControllerDialog(Context context, Bundle savedInstanceState) {
return new MediaRouteControllerDialog(context, R.style.CastControllerDialogTheme);
}
}
您的主题/样式也可以进行定制
<style name="DarkDialogTheme" parent="Theme.AppCompat.Dialog">
<item name="colorPrimary">@color/charcoal_grey</item>
<item name="colorPrimaryDark">@color/charcoal_grey_dark</item>
<item name="colorAccent">@color/pumpkin_orange</item>
<item name="android:windowBackground">@color/dark_grey</item>
<item name="android:textColorPrimary">@android:color/white</item>
<item name="android:windowNoTitle">true</item>
</style>
<style name="CastChooserDialogTheme" parent="DarkDialogTheme">
<item name="android:windowNoTitle">false</item>
<item name="mediaRouteChooserPrimaryTextStyle">@style/MediaRouteChooserPrimaryText</item>
<item name="mediaRouteChooserSecondaryTextStyle">@style/MediaRouteChooserSecondaryText</item>
</style>
<style name="CastControllerDialogTheme" parent="DarkDialogTheme">
<item name="MediaRouteControllerWindowBackground">@color/dark_grey</item>
<item name="colorPrimary">@color/dark_grey</item>
<item name="mediaRouteCloseDrawable">@drawable/ic_dialog_close_dark</item>
<item name="mediaRouteControllerTitleTextStyle">@style/Widget.MediaRouter.ControllerText.Title.Dark</item>
</style>