d4d91cb0
 吴启风
feat:lottie动效组件封装...
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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 _RecorderPlaybackWidget extends StatefulWidget {
final bool isClickable;
final bool isPlaying;
final VoidCallback? onTap;
final double width;
final double height;
const _RecorderPlaybackWidget({
Key? key,
required this.isClickable,
required this.isPlaying,
required this.onTap,
required this.width,
required this.height,
}) : super(key: key);
@override
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d4d91cb0
吴启风
feat:lottie动效组件封装...
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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_back.zip').load();
setState(() {
_composition = composition;
_controller.duration = _composition.duration;
});
if (widget.isPlaying) {
_playAnimation();
}
}
void _playAnimation() {
_controller.reset();
_controller.repeat(
min: 2 / _composition.endFrame,
max: 22 / _composition.endFrame,
);
}
void _stopAnimation() {
_controller.stop();
_resetAnimation();
}
void _resetAnimation() {
setState(() {
_isPlaying = false;
_controller.value = 1;
// _controller.repeat(
// min: 1 / _composition.endFrame,
// max: 1 / _composition.endFrame,
// );
});
}
void _displayAnimation(bool clickable) {
if (clickable) {
_controller.value = 1;
// _controller.repeat(
// min: 1,
// max: 1,
// );
} else {
_controller.value = 0;
// _controller.repeat(
// min: 0,
// max: 0,
// );
}
}
@override
void didUpdateWidget(_RecorderPlaybackWidget oldWidget) {
super.didUpdateWidget(oldWidget);
Log.d(
"$TAG didUpdateWidget widget=${widget.isPlaying} oldWidget=${oldWidget.isPlaying} _isPlaying=$_isPlaying");
if (widget.isPlaying && !_isPlaying) {
setState(() {
_isPlaying = true;
});
_playAnimation();
} else if (!widget.isPlaying && _isPlaying) {
_stopAnimation();
}
if (!_isPlaying) {
_displayAnimation(widget.isClickable);
}
}
@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,
),
),
);
}
}
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