getLyric method

Widget getLyric(BuildContext context, { bool isPlaying = false, })

Implementation

Widget getLyric(BuildContext context, {bool isPlaying = false}) {

  TextStyle style = Theme.of(context).textTheme.bodyText1!.copyWith(height: 1.5, fontSize: 20, color: Colors.white);

  if (this.playingLyric!.hasLyric) {
    return LayoutBuilder(builder: (context, constraints) {
      final normalStyle = style.copyWith(color: style.color!.withOpacity(0.7));
      return ShaderMask(
        shaderCallback: (rect) {
          return ui.Gradient.linear(Offset(rect.width / 2, 0), Offset(rect.width / 2, constraints.maxHeight), [
            const Color(0x00FFFFFF),
            style.color!,
            style.color!,
            const Color(0x00FFFFFF),
          ], [
            0.0,
            0.15,
            0.85,
            1
          ]);
        },
        child: Padding(
            padding: EdgeInsets.symmetric(horizontal: 20),
            child: StreamBuilder(
                stream: positionWithOffsetController.stream,
                builder: (BuildContext context, AsyncSnapshot snapshot) {
                  final result = snapshot.data ?? 0;

                  //print('position: ${result} - ${positionWithOffset} - isPlaying: ${isPlaying}');

                  return Lyric(
                    lyric: playingLyric!.lyric!,
                    lyricLineStyle: normalStyle,
                    highlight: style.color!,
                    position: result,
                    onTap: () {
                    },
                    size: Size(constraints.maxWidth, constraints.maxHeight == double.infinity ? 0 : constraints.maxHeight),
                    playing: isPlaying,
                  );
                }
            )
        ),
      );
    });
  } else {
    return Container(
      child: Center(
        child: Text(playingLyric!.message, style: style),
      ),
    );
  }

}