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1.如果开发中调用flutter没问题，但是打包后打开flutter页面报错，可能是签名有问题。 在proguard-rules.pro添加 -keep class io.flutter.facade.**{*;} -keep class io.flutter.plug.**{*;} -keep class io.flutter.app.** { *; } -keep class io.flutt...

文章目录IOS-->Flutter IOS–>Flutter xxx.m中 NSObject<FlutterBinaryMessenger>* _messenger;//自己找到messenger在哪 FlutterBasicMessageChannel *channel = [FlutterBasicMessageChannel messageChannelWithNa...

Flutter 环境配置mac 1.下载xcode、idea 2.修改国内镜像 （可以提高下载速度，防止国内访问被限制） 1、 启动Terminal终端工具 2、 输入: cd ~ ( 表示进入当前用户的home目录) 3、 输入: touch .bash_profile (表示创建bash_profile文件) 4、 打开并编辑：open .bash_profile 5、 在文件中写入下列代码：...

flutter: The following assertion was thrown during a scheduler callback: flutter: There are multiple heroes that share the same tag within a subtree. flutter: Within each subtree for which heroes are ...