1、增加悬浮按钮的小声波效果[未使用]
2、增加底部按钮的大声波效果 3、更换footer底部图标
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58
lib/widgets/mini_audio_wave.dart
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58
lib/widgets/mini_audio_wave.dart
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import 'package:flutter/material.dart';
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import 'dart:math' as math;
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/// 小型按钮波形动画组件
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///
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/// 用于显示适合小按钮的波形动画,包含8个竖线,动画效果由外部动画控制器驱动
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class AudioWaveLargeMini extends StatelessWidget {
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/// 动画控制器,用于驱动波形动画
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final AnimationController animationController;
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/// 波形颜色,默认为白色
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final Color waveColor;
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/// 构造函数
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const AudioWaveLargeMini({
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super.key,
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required this.animationController,
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this.waveColor = Colors.white,
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});
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@override
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Widget build(BuildContext context) {
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return AnimatedBuilder(
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animation: animationController, // 使用传入的动画控制器
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builder: (context, child) {
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return Row(
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mainAxisSize: MainAxisSize.min,
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mainAxisAlignment: MainAxisAlignment.center,
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crossAxisAlignment: CrossAxisAlignment.center,
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children: List.generate(8, (index) { // 生成8个波形条
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// 为每个竖线设置不同的相位,使动画更自然
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final phase = index * 0.4;
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// 设置不同的频率变化
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final frequency = 1.0 + (index % 3) * 0.2;
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// 计算波形高度(最小4.0,最大14.0)
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final height = 4.0 + 10.0 * math.sin(
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(animationController.value * 2 * math.pi * frequency) + phase
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).abs();
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// 构建单个波形条
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return Padding(
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padding: const EdgeInsets.symmetric(horizontal: 2.0), // 左右间隔4px
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child: Container(
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width: 2, // 波形条宽度2px
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height: height, // 高度随动画变化
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decoration: BoxDecoration(
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color: waveColor,
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borderRadius: BorderRadius.circular(2), // 圆角效果
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),
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),
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);
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}),
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);
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},
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);
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}
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}
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