recorder_widget.dart
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import 'package:flutter/material.dart';
import 'package:lottie/lottie.dart';
import 'package:wow_english/common/widgets/throttledGesture_gesture_detector.dart';
import '../../utils/log_util.dart';
/// 录音组件
class RecorderWidget extends StatefulWidget {
final bool isClickable;
final bool isPlaying;
final VoidCallback? onTap;
final double width;
final double height;
const RecorderWidget({
Key? key,
this.isClickable = true,
required this.isPlaying,
required this.onTap,
required this.width,
required this.height,
}) : super(key: key);
@override
_RecorderWidgetState createState() => _RecorderWidgetState();
}
class _RecorderWidgetState extends State<RecorderWidget>
with SingleTickerProviderStateMixin {
late final AnimationController _controller;
late final Future<LottieComposition> _futureComposition;
static const String TAG = "RecorderWidget";
bool _isPlaying = false;
@override
void initState() {
super.initState();
_controller = AnimationController(vsync: this);
_loadComposition();
if (widget.isPlaying) {
_playInitialAnimation();
}
_controller.addListener(() {
// Log.d("$TAG addListener _controller=${_controller.status}");
});
}
@override
void didUpdateWidget(RecorderWidget oldWidget) {
super.didUpdateWidget(oldWidget);
Log.d(
"$TAG ${identityHashCode(this)} didUpdateWidget widget=${widget.isPlaying} oldWidget=${oldWidget.isPlaying} _isPlaying=$_isPlaying");
if (widget.isPlaying && !_isPlaying) {
setState(() {
_isPlaying = true;
});
_playInitialAnimation();
} else if (!widget.isPlaying && _isPlaying) {
_playFinalAnimation();
}
}
Future<void> _loadComposition() async {
_futureComposition =
AssetLottie('assets/lotties/recorder_input.zip').load();
}
void _playInitialAnimation() {
_controller.reset();
_futureComposition.then((composition) {
_controller.duration = composition.duration;
_controller
.animateTo(22 / composition.endFrame)
.whenComplete(() => _loopMiddleAnimation(composition));
});
}
void _loopMiddleAnimation(LottieComposition composition) {
_controller.repeat(
min: 22 / composition.endFrame,
max: 37 / composition.endFrame,
);
}
void _playFinalAnimation() {
_controller.stop();
_futureComposition.then((composition) {
_controller.duration = composition.duration;
_controller
.animateTo(50 / composition.endFrame)
.whenComplete(() => _resetAnimation());
});
}
void _resetAnimation() {
if (mounted) {
setState(() {
_isPlaying = false;
_controller.value = 0;
});
}
}
@override
void dispose() {
_controller.dispose();
super.dispose();
}
@override
Widget build(BuildContext context) {
return ThrottledGestureDetector(
onTap: widget.isClickable ? widget.onTap : null,
child: Opacity(
opacity: widget.isClickable ? 1.0 : 0.5, // 设置透明度
child: FutureBuilder<LottieComposition>(
future: _futureComposition,
builder: (context, snapshot) {
if (snapshot.hasData) {
final composition = snapshot.data!;
return Lottie(
composition: composition,
controller: _controller,
renderCache: RenderCache.raster,
width: widget.width,
height: widget.height,
);
} else {
return const SizedBox.shrink();
}
})),
);
}
}