即使我的答案不会被接受为正确答案，我只是觉得所有这些答案导致我有更多的问题，这里是我如何解决它

Get Sublime Text (crazy, right? No, just follow my steps) Click on file and select open folder, then choose the folder of the project you are working on Now click on Find from the Tabs, and select find in files or just do Ctrl + Shift + F (for Windows users, for mac users you already know the drill) Now copy and paste exactly the name of the package you want to change in the Find section and paste in the replace section what you would like to replace the package name with. Click on FIND (do not click on REPLACE just yet). Now clicking on Find lists all available package name in your project which matches your search criteria, if you are satisfied with this then repeat from no. 3 but this time click on REPLACE. Rebuild your project and have fun

结论:一个简单的查找和替换程序就可以解决这个问题，我强烈推荐Sublime Text 3。

如果你还没有开始这个项目，这是最好的方法。

flutter create --org com.yourdomain appname

如果您已经创建了该项目，请在dev_dependencies中安装此包并运行此命令。

flutter pub run change_app_package_name:main com.new.package.name

这将改变所有复杂的东西，改变包的名字在android。右键点击flutter的iOS文件夹，用Xcode打开。

在Xcode >中选择Runner >在general选项卡中你可以改变bundle Identifier。

如果您已经创建了一个项目，并且不知道更改包名的复杂性，那么这是最简单的方法。

即使我的答案不会被接受为正确答案，我只是觉得所有这些答案导致我有更多的问题，这里是我如何解决它

Get Sublime Text (crazy, right? No, just follow my steps) Click on file and select open folder, then choose the folder of the project you are working on Now click on Find from the Tabs, and select find in files or just do Ctrl + Shift + F (for Windows users, for mac users you already know the drill) Now copy and paste exactly the name of the package you want to change in the Find section and paste in the replace section what you would like to replace the package name with. Click on FIND (do not click on REPLACE just yet). Now clicking on Find lists all available package name in your project which matches your search criteria, if you are satisfied with this then repeat from no. 3 but this time click on REPLACE. Rebuild your project and have fun

结论:一个简单的查找和替换程序就可以解决这个问题，我强烈推荐Sublime Text 3。

在Android系统中，修改应用程序id为

> build.gradle

文件和iOS更改

项目设置中的> bundle名称。

更新您必须将包名更改为所需的包名 五个位置。

1.) src/profile/AndroidManifest.xml
2.) src/debug/AndroidManifest.xml
3.) src/main/AdroidManifest.xml
4.) app/build.gradle
     build.gradle .
       defaultConfig {
           applicationId
       }
5.) MainActivity.java or MainActivity.kt on "package"

最后一步是运行颤振干净

Android和Ios的默认路径更改的权利。

为安卓

AndroidManifest.xml开放,

走这条路。

/ src /游戏/应用AndroidManifest . xml

选择软件包名称，然后右键单击，

点击重命名后，重命名弹出(对话框)显示。

在这里输入新的包名，

更改名称文本后，单击重构按钮。

__________________________________________________________________________

为Ios

从抽屉中选择ios文件夹，右键点击这些文件夹，

选择，并双击运行在抽屉，然后选择一般

然后，改变你的包标识符(包名)。 更改包标识符(包名)后，您的包名为 为Ios更改。