customBuilder property

Widget Function(BuildContext context, Subtitle subtitle, SubtitleConfig config)? customBuilder
final

自定义字幕构建函数。

接收当前构建上下文、字幕数据和字幕配置，返回自定义的字幕 Widget。 为 null 时回退到 DefaultSubtitleBuilder。

Custom subtitle build function.

Receives the current build context, subtitle data, and subtitle configuration, and returns a custom subtitle widget. Falls back to DefaultSubtitleBuilder when null.

Implementation

final Widget Function(
  BuildContext context,
  Subtitle subtitle,
  SubtitleConfig config,
)? customBuilder;