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,
required this.isClickable,
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 LottieComposition _composition;
static const String TAG = "RecorderWidget";
bool _isPlaying = false;
@override
void initState() {
super.initState();
_controller = AnimationController(vsync: this);
_loadComposition();
_controller.addListener(() {
// Log.d("$TAG addListener _controller=${_controller.status}");
});
}
Future<void> _loadComposition() async {
final composition = await AssetLottie('assets/lotties/recorder_input.zip').load();
setState(() {
_composition = composition;
_controller.duration = _composition.duration;
});
if (widget.isPlaying) {
_playInitialAnimation();
}
}
void _playInitialAnimation() {
_controller.reset();
_controller
.animateTo(22 / _composition.endFrame)
.whenComplete(() => _loopMiddleAnimation());
}
void _loopMiddleAnimation() {
_controller.repeat(
min: 22 / _composition.endFrame,
max: 37 / _composition.endFrame,
);
}
void _playFinalAnimation() {
_controller.stop();
_controller
.animateTo(50 / _composition.endFrame)
.whenComplete(() => _resetAnimation());
}
void _resetAnimation() {
setState(() {
_isPlaying = false;
_controller.value = 0;
});
}
@override
void didUpdateWidget(RecorderWidget oldWidget) {
super.didUpdateWidget(oldWidget);
Log.d("$TAG didUpdateWidget widget=${widget.isPlaying} oldWidget=${oldWidget.isPlaying} _isPlaying=$_isPlaying");
if (widget.isPlaying && !_isPlaying) {
setState(() {
_isPlaying = true;
});
_playInitialAnimation();
} else if (!widget.isPlaying && _isPlaying) {
_playFinalAnimation();
}
}
@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: Lottie(
composition: _composition,
controller: _controller,
renderCache: RenderCache.raster,
width: widget.width,
height: widget.height,
),
),
);
}
}