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android - 在 Mac OS 上安装 Flutter

问题描述

在运行颤振医生时，我得到以下依赖项：

Android toolchain - develop for Android devices (Android SDK 28.0.3)
     Could not determine java version
Android Studio (not installed)

但是我已经在Android Studio上安装并开发了应用程序。那为什么flutter找不到这两个呢？

它也在抱怨 jre 版本。但在内部，Android Studio 使用已经安装的 jre。

颤振医生 -v 给出以下输出：

[✓] Flutter (Channel stable, v1.0.0, on Mac OS X 10.13.6 17G65, locale en-IN)
    • Flutter version 1.0.0 at /Users/<myusername>/Downloads/development/flutter
    • Framework revision 5391447fae (3 months ago), 2018-11-29 19:41:26 -0800
    • Engine revision 7375a0f414
    • Dart version 2.1.0 (build 2.1.0-dev.9.4 f9ebf21297)

[!] Android toolchain - develop for Android devices (Android SDK 28.0.3)
    • Android SDK at /Users/<myusername>/Library/Android/sdk
    • Android NDK at /Users/<myusername>/Library/Android/sdk/ndk-bundle
    • Platform android-28, build-tools 28.0.3
    • Java binary at: /usr/bin/java
    ✗ Could not determine java version

[!] iOS toolchain - develop for iOS devices
    ✗ Xcode installation is incomplete; a full installation is necessary for iOS development.
      Download at: https://developer.apple.com/xcode/download/
      Or install Xcode via the App Store.
      Once installed, run:
        sudo xcode-select --switch /Applications/Xcode.app/Contents/Developer
    • ios-deploy 1.9.4
    • CocoaPods version 1.6.0

[!] Android Studio (not installed)
    • Android Studio not found; download from https://developer.android.com/studio/index.html
      (or visit https://flutter.io/setup/#android-setup for detailed instructions).

[!] Connected device
    ! No devices available

标签： androidflutterflutter-dependencies

解决方案

Xcode 的解决方案：

安装 Xcode（从https://developer.apple.com/xcode/获取）

确保 Xcode 应用程序位于 /Applications 目录中（不是 /Users/{user}/Applications）。

使用以下命令将 xcode-select 指向 Xcode 应用开发者目录：sudo xcode-select -s /Applications/Xcode.app/Contents/Developer

注意：确保您的 Xcode 应用程序路径正确。

Xcode：/Applications/Xcode.app/Contents/Developer Xcode-beta：/Applications/Xcode-beta.app/Contents/Developer

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