Flutter 运行新建项目也报错?

先看报错提示信息:

js 复制代码
Error (Xcode): Target aot_assembly_release failed: Exception: release/profile builds are only supported for physical devices. attempted to
build for simulator.

环境

Mac 中,通过 flutter create daily_note新建一个项目,在VS Code 中添加 launch.json文件,内容如下:

JSON 复制代码
{
    "configurations": [
    {
        "name": "daily_note (debug mode)",
        "request": "launch",
        "type": "dart"
    }
    ]
}

开始运行,结果出现开头的错误,非常的莫名其妙。

解决过程

首先运行 flutter doctor

js 复制代码
[✓] Flutter (Channel stable, 3.29.0, on macOS 15.4 24E5228e darwin-arm64, locale zh-Hans-CN)
[!] Android toolchain - develop for Android devices (Android SDK version 35.0.1)
    ! Some Android licenses not accepted. To resolve this, run: flutter doctor --android-licenses
[✓] Xcode - develop for iOS and macOS (Xcode 16.0)
[✓] Chrome - develop for the web
[✓] Android Studio (version 2024.1)
[✓] VS Code (version 1.98.2)
[!] Proxy Configuration
    ! NO_PROXY is not set
[✓] Connected device (4 available)
[✓] Network resources

! Doctor found issues in 2 categories.

iOS 上运行,所以 Xcode 没问题。

接着问 Trae,直接把报错信息和配置文件发给它。然后回复结果是让我增加一行,用于指定 flutterMode

js 复制代码
{
    "configurations": [
    {
        "name": "daily_note (debug mode)",
        "request": "launch",
        "type": "dart",
        "flutterMode": "debug"
    }
    ]
}

运行还是同样的报错。于是继续把launch.json发给Trae,反复尝试了还是不行,有点快崩溃了。

回想之前遇到真机运行拔线就退出程序的问题,当时是通过设置FLUTTER_BUILD_MODE解决的,于是查看现在的新工程有没有这个设置。结果,真的没有。然后在 Xcode-Build Setting-User Defined中添加 FLUTTER_BUILD_MODE=Debug,重新运行后可以了。

总结

Trae很好,但不是万能的,有时候还得靠自己。想要掌握好新编程模式下的工具,还需要努力。

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