appBar method

@override AssetPickerAppBar appBar(BuildContext context)

Custom app bar for the picker. 选择器自定义的顶栏

Implementation

@override
AssetPickerAppBar appBar(BuildContext context) {
  final AssetPickerAppBar appBar = AssetPickerAppBar(
    title: Semantics(
      onTapHint: semanticsTextDelegate.sActionSwitchPathLabel,
      child: pathEntitySelector(context),
    ),
    leading: backButton(context),
    blurRadius: isAppleOS(context) ? appleOSBlurRadius : 0,
  );
  appBarPreferredSize ??= appBar.preferredSize;
  return appBar;
}