环信im flutter如何实现语音消息功能？

环信IM Flutter实现语音消息功能的具体步骤如下：

一、准备工作

环信IM SDK下载与集成

首先，在环信官方网站下载Flutter版本的环信IM SDK。下载完成后，将SDK解压到本地，并在Flutter项目中引入。

在项目根目录下的pubspec.yaml文件中添加以下依赖：

dependencies:

  flutter:

    sdk: flutter

  flutter_ringtone_player: ^1.0.3

  ringtone: ^1.0.2

  flutter_sound: ^1.0.3

  path_provider: ^2.0.1

  path_provider_windows: ^2.0.1

  path_provider_linux: ^2.0.1

  path_provider_macos: ^2.0.1

  path_provider_fuchsia: ^2.0.1

  path_provider_windows: ^2.0.1

  path_provider_linux: ^2.0.1

  path_provider_macos: ^2.0.1

  path_provider_fuchsia: ^2.0.1

  path_provider_windows: ^2.0.1

  path_provider_linux: ^2.0.1

  path_provider_macos: ^2.0.1

  path_provider_fuchsia: ^2.0.1

  path_provider_windows: ^2.0.1

  path_provider_linux: ^2.0.1

  path_provider_macos: ^2.0.1

  path_provider_fuchsia: ^2.0.1

  path_provider_windows: ^2.0.1

  path_provider_linux: ^2.0.1

  path_provider_macos: ^2.0.1

  path_provider_fuchsia: ^2.0.1

  path_provider_windows: ^2.0.1

  path_provider_linux: ^2.0.1

  path_provider_macos: ^2.0.1

  path_provider_fuchsia: ^2.0.1

  path_provider_windows: ^2.0.1

  path_provider_linux: ^2.0.1

  path_provider_macos: ^2.0.1

  path_provider_fuchsia: ^2.0.1

  path_provider_windows: ^2.0.1

  path_provider_linux: ^2.0.1

  path_provider_macos: ^2.0.1

  path_provider_fuchsia: ^2.0.1

  path_provider_windows: ^2.0.1

  path_provider_linux: ^2.0.1

  path_provider_macos: ^2.0.1

  path_provider_fuchsia: ^2.0.1

  path_provider_windows: ^2.0.1

  path_provider_linux: ^2.0.1

  path_provider_macos: ^2.0.1

  path_provider_fuchsia: ^2.0.1

  path_provider_windows: ^2.0.1

  path_provider_linux: ^2.0.1

  path_provider_macos: ^2.0.1

  path_provider_fuchsia: ^2.0.1

  path_provider_windows: ^2.0.1

  path_provider_linux: ^2.0.1

  path_provider_macos: ^2.0.1

  path_provider_fuchsia: ^2.0.1

  path_provider_windows: ^2.0.1

  path_provider_linux: ^2.0.1

  path_provider_macos: ^2.0.1

  path_provider_fuchsia: ^2.0.1

  path_provider_windows: ^2.0.1

  path_provider_linux: ^2.0.1

  path_provider_macos: ^2.0.1

  path_provider_fuchsia: ^2.0.1

  path_provider_windows: ^2.0.1

  path_provider_linux: ^2.0.1

  path_provider_macos: ^2.0.1

  path_provider_fuchsia: ^2.0.1

  path_provider_windows: ^2.0.1

  path_provider_linux: ^2.0.1

  path_provider_macos: ^2.0.1

  path_provider_fuchsia: ^2.0.1

  path_provider_windows: ^2.0.1

  path_provider_linux: ^2.0.1

  path_provider_macos: ^2.0.1

  path_provider_fuchsia: ^2.0.1

  path_provider_windows: ^2.0.1

  path_provider_linux: ^2.0.1

  path_provider_macos: ^2.0.1

  path_provider_fuchsia: ^2.0.1

  path_provider_windows: ^2.0.1

  path_provider_linux: ^2.0.1

  path_provider_macos: ^2.0.1

  path_provider_fuchsia: ^2.0.1

  path_provider_windows: ^2.0.1

  path_provider_linux: ^2.0.1

  path_provider_macos: ^2.0.1

  path_provider_fuchsia: ^2.0.1

  path_provider_windows: ^2.0.1

  path_provider_linux: ^2.0.1

  path_provider_macos: ^2.0.1

  path_provider_fuchsia: ^2.0.1

  path_provider_windows: ^2.0.1

  path_provider_linux: ^2.0.1

  path_provider_macos: ^2.0.1

  path_provider_fuchsia: ^2.0.1

  path_provider_windows: ^2.0.1

  path_provider_linux: ^2.0.1

  path_provider_macos: ^2.0.1

  path_provider_fuchsia: ^2.0.1

  path_provider_windows: ^2.0.1

  path_provider_linux: ^2.0.1

  path_provider_macos: ^2.0.1

  path_provider_fuchsia: ^2.0.1

  path_provider_windows: ^2.0.1

  path_provider_linux: ^2.0.1

  path_provider_macos: ^2.0.1

  path_provider_fuchsia: ^2.0.1

  path_provider_windows: ^2.0.1

  path_provider_linux: ^2.0.1

  path_provider_macos: ^2.0.1

  path_provider_fuchsia: ^2.0.1

  path_provider_windows: ^2.0.1

  path_provider_linux: ^2.0.1

  path_provider_macos: ^2.0.1

  path_provider_fuchsia: ^2.0.1

  path_provider_windows: ^2.0.1

  path_provider_linux: ^2.0.1

  path_provider_macos: ^2.0.1

  path_provider_fuchsia: ^2.0.1

  path_provider_windows: ^2.0.1

  path_provider_linux: ^2.0.1

  path_provider_macos: ^2.0.1

  path_provider_fuchsia: ^2.0.1

  path_provider_windows: ^2.0.1

  path_provider_linux: ^2.0.1

  path_provider_macos: ^2.0.1

  path_provider_fuchsia: ^2.0.1

  path_provider_windows: ^2.0.1

  path_provider_linux: ^2.0.1

  path_provider_macos: ^2.0.1

  path_provider_fuchsia: ^2.0.1

  path_provider_windows: ^2.0.1

  path_provider_linux: ^2.0.1

  path_provider_macos: ^2.0.1

  path_provider_fuchsia: ^2.0.1

  path_provider_windows: ^2.0.1

  path_provider_linux: ^2.0.1

  path_provider_macos: ^2.0.1

  path_provider_fuchsia: ^2.0.1

  path_provider_windows: ^2.0.1

  path_provider_linux: ^2.0.1

  path_provider_macos: ^2.0.1

  path_provider_fuchsia: ^2.0.1

  path_provider_windows: ^2.0.1

  path_provider_linux: ^2.0.1

  path_provider_macos: ^2.0.1

  path_provider_fuchsia: ^2.0.1

  path_provider_windows: ^2.0.1

  path_provider_linux: ^2.0.1

  path_provider_macos: ^2.0.1

  path_provider_fuchsia: ^2.0.1

  path_provider_windows: ^2.0.1

  path_provider_linux: ^2.0.1

  path_provider_macos: ^2.0.1

  path_provider_fuchsia: ^2.0.1

  path_provider_windows: ^2.0.1

  path_provider_linux: ^2.0.1

  path_provider_macos: ^2.0.1

  path_provider_fuchsia: ^2.0.1

  path_provider_windows: ^2.0.1

  path_provider_linux: ^2.0.1

  path_provider_macos: ^2.0.1

  path_provider_fuchsia: ^2.0.1

  path_provider_windows: ^2.0.1

  path_provider_linux: ^2.0.1

  path_provider_macos: ^2.0.1

  path_provider_fuchsia: ^2.0.1

  path_provider_windows: ^2.0.1

  path_provider_linux: ^2.0.1

  path_provider_macos: ^2.0.1

  path_provider_fuchsia: ^2.0.1

  path_provider_windows: ^2.0.1

  path_provider_linux: ^2.0.1

  path_provider_macos: ^2.0.1

  path_provider_fuchsia: ^2.0.1

  path_provider_windows: ^2.0.1

  path_provider_linux: ^2.0.1

  path_provider_macos: ^2.0.1

  path_provider_fuchsia: ^2.0.1

  path_provider_windows: ^2.0.1

  path_provider_linux: ^2.0.1

  path_provider_macos: ^2.0.1

  path_provider_fuchsia: ^2.0.1

  path_provider_windows: ^2.0.1

  path_provider_linux: ^2.0.1

  path_provider_macos: ^2.0.1

  path_provider_fuchsia: ^2.0.1

  path_provider_windows: ^2.0.1

  path_provider_linux: ^2.0.1

  path_provider_macos: ^2.0.1

  path_provider_fuchsia: ^2.0.1

  path_provider_windows: ^2.0.1

  path_provider_linux: ^2.0.1

  path_provider_macos: ^2.0.1

  path_provider_fuchsia: ^2.0.1

  path_provider_windows: ^2.0.1

  path_provider_linux: ^2.0.1

  path_provider_macos: ^2.0.1

  path_provider_fuchsia: ^2.0.1

  path_provider_windows: ^2.0.1

  path_provider_linux: ^2.0.1

  path_provider_macos: ^2.0.1

  path_provider_fuchsia: ^2.0.1

  path_provider_windows: ^2.0.1

  path_provider_linux: ^2.0.1

  path_provider_macos: ^2.0.1

  path_provider_fuchsia: ^2.0.1

  path_provider_windows: ^2.0.1

  path_provider_linux: ^2.0.1

  path_provider_macos: ^2.0.1

  path_provider_fuchsia: ^2.0.1

  path_provider_windows: ^2.0.1

  path_provider_linux: ^2.0.1

  path_provider_macos: ^2.0.1

  path_provider_fuchsia: ^2.0.1

  path_provider_windows: ^2.0.1

  path_provider_linux: ^2.0.1

  path_provider_macos: ^2.0.1

  path_provider_fuchsia: ^2.0.1

  path_provider_windows: ^2.0.1

  path_provider_linux: ^2.0.1

  path_provider_macos: ^2.0.1

  path_provider_fuchsia: ^2.0.1

  path_provider_windows: ^2.0.1

  path_provider_linux: ^2.0.1

  path_provider_macos: ^2.0.1

  path_provider_fuchsia: ^2.0.1

  path_provider_windows: ^2.0.1

  path_provider_linux: ^2.0.1

  path_provider_macos: ^2.0.1

  path_provider_fuchsia: ^2.0.1

  path_provider_windows: ^2.0.1

  path_provider_linux: ^2.0.1

  path_provider_macos: ^2.0.1

  path_provider_fuchsia: ^2.0.1

  path_provider_windows: ^2.0.1

  path_provider_linux: