使用 flutter_opencv 插件时运行 pod install 的问题答案

【问题标题】：Issue in running pod install when using flutter_opencv plugin使用 flutter_opencv 插件时运行 pod install 的问题
【发布时间】：2021-01-16 04:03:34
【问题描述】：

我正在尝试使用flutter opencv插件构建一个flutter应用程序，但是当我尝试为iOS设备构建它时，我在运行pod install时遇到了这个错误-

分析依赖关系

Inspecting targets to integrate
  Using `ARCHS` setting to build architectures of target `Pods-Runner`: (``)

Fetching external sources
-> Fetching podspec for `Flutter` from `Flutter`
-> Fetching podspec for `opencv` from `.symlinks/plugins/opencv/ios`
[!] No podspec found for `opencv` in `.symlinks/plugins/opencv/ios`

/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.10.0.rc.1/lib/cocoapods/external_sources/path_source.rb:14:in `block in fetch'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.10.0.rc.1/lib/cocoapods/user_interface.rb:64:in `section'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.10.0.rc.1/lib/cocoapods/external_sources/path_source.rb:11:in `fetch'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.10.0.rc.1/lib/cocoapods/installer/analyzer.rb:989:in `fetch_external_source'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.10.0.rc.1/lib/cocoapods/installer/analyzer.rb:968:in `block (2 levels) in fetch_external_sources'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.10.0.rc.1/lib/cocoapods/installer/analyzer.rb:967:in `each'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.10.0.rc.1/lib/cocoapods/installer/analyzer.rb:967:in `block in fetch_external_sources'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.10.0.rc.1/lib/cocoapods/user_interface.rb:64:in `section'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.10.0.rc.1/lib/cocoapods/installer/analyzer.rb:966:in `fetch_external_sources'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.10.0.rc.1/lib/cocoapods/installer/analyzer.rb:117:in `analyze'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.10.0.rc.1/lib/cocoapods/installer.rb:414:in `analyze'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.10.0.rc.1/lib/cocoapods/installer.rb:239:in `block in resolve_dependencies'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.10.0.rc.1/lib/cocoapods/user_interface.rb:64:in `section'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.10.0.rc.1/lib/cocoapods/installer.rb:238:in `resolve_dependencies'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.10.0.rc.1/lib/cocoapods/installer.rb:160:in `install!'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.10.0.rc.1/lib/cocoapods/command/install.rb:52:in `run'
/Library/Ruby/Gems/2.6.0/gems/claide-1.0.3/lib/claide/command.rb:334:in `run'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.10.0.rc.1/lib/cocoapods/command.rb:52:in `run'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.10.0.rc.1/bin/pod:55:in `<top (required)>'
/usr/local/bin/pod:23:in `load'
/usr/local/bin/pod:23:in `<main>'

CocoaPods 的错误输出： ↳

[!] Automatically assigning platform `iOS` with version `8.0` on target `Runner` because no platform was specified. Please specify a platform for this target in your Podfile.
See `https://guides.cocoapods.org/syntax/podfile.html#platform`.

异常：运行 pod install 时出错

如何解决这个问题？

【问题讨论】：

标签： ios flutter opencv cocoapods

【解决方案1】：

即使我的答案迟到了，我也遇到了同样的问题，终于找到了答案。在 Dart pub 上，该插件被标记为与 iOS 兼容。但是，在项目描述中它指出：

备注
目前不支持 iOS - 我没有 Mac，所以为 iOS 部署会有点慢。

所以我猜你必须自己实现它。

【讨论】：