Cmdline-tools component is missing

学 Flutter先要学习Dart语言 (都是谷歌 开发的语言) 一、Dart Dart介绍 Dart是由谷歌 开发的计算机编程语言，它可以用于web、服务器、移动应用和物联网等领域的 开发 Dart 诞生于年，号称起到javaScript/但是过去的几年中一直不温不火。知道 Flutter的出现人们重新重视 要学习 Flutter的话我们必须首先得会Dart。 官方文档https://dart.dev/get-dart windows(推荐)： http://www.gekorm.com/dart-windows 如果mac电脑没有安装brew这个工具首先第一步需要安装它：https://brew. 解压缩，新建目录并放到目录：~/Library/Android/sdk/ cmd line- tools/latest。cd到目录执行`./sdkmanager "build- tools;32.0.0""platforms;android-32""platform- tools"`， #加~/.bash_profile ANDROID_HOME="/Users/uuu/Library/Android/sdk" export ANDROID_HOME # Setting PATH for ANDROID_HOME # PATH="$ANDROID_HOME/ cmd line- tools/latest/bin:$/platform- tools AAPT_HOME=/Users/uuu/Library/Android/sdk/ 为了配置 Flutter 的 开发环境，你需要做以下几步： 1. 安装 Flutter SDK，你可以从 Flutter 官网上下载对应操作系统版本的安装包。 2. 解压下载的安装包并将 Flutter SDK 的路径添加到环境变量中，以便你能够通过终端或命令行访问 Flutter 命令。 3. 安装 Android Studio，确保已安装 Flutter 和 Dart 插件。 4. 在 Android Studio 中配置 Android SDK，确保你有一个可用的 Android 模拟器或真机设备。 5. 运行 Flutter doctor 命令，检查你的环境是否已正确配置。如果你遇到任何问题， Flutter doctor 命令将提供你需要执行的进一步操作。 希望这些步骤对你有所帮助！

原因 今天在运行 Flutter 项目的时候, 突然报错 ECL 无法配置, 既然是环境问题, 我们直接在控制台输入 flutter doctor --verbose 复制代码 或者在Android Studio 顶部菜单栏中选择 Tools -> Flutter -> Flutter Doctor, 这两种方式是一样的 这里会显示当前 Flutter 的环境配置信息. [✓] Flutter (Channel stable, 2.8 .1, on macOS 11.6 20G165 darwin-x64, locale zh-Hans-CN) [!] Android toolchain - develop for Android devices (Android SDK version 30.0 .3) ✗ cmdline-tools component is missing Run `path/ to/sdkmanager --install "cmdline-tools;latest"` See https://developer.android.com/studio/command-line for more details. ✗ Android license status unknown. Run `flutter doctor --android-licenses` to accept the SDK licenses. See https://flutter.dev/docs/ get-started/install/macos#android-setup for more details. [✓] Xcode - develop for iOS and ma cOS (Xcode 13.0) [✓] Chrome - develop for the web 复制代码 提示上要我们去通过 sdkmanager 去安装这个工具, 这里我们直接在控制台输入 ~ /Library/ Android/sdk/tools/bin/sdkmanager --install "cmdline-tools;latest" 复制代码 如果你的 Android SDK 不是在上面的路径, 请对应更换. 我这边直接报错 Exception in thread "main" java.lang.NoClassDefFoundError: javax/xml/bind/annotation/XmlSchema at com.android.repository.api.SchemaModule$SchemaModuleVersion.(SchemaModule.java: 156) at com.android.repository.api.SchemaModule.(SchemaModule.java: 75) at com.android.sdklib.repository.AndroidSdkHandler.(AndroidSdkHandler.java: 81) at com.android.sdklib.tool.sdkmanager.SdkManagerCli.main(SdkManagerCli.java: 73) at com.android.sdklib.tool.sdkmanager.SdkManagerCli.main(SdkManagerCli.java: 48) Caused by: java.lang.ClassNotFo...

Command line tools are very useful during android app development with Flutter. In some cases you may have difficulty installing it due to version incompatibility or conflicts with other software.After installing cmdline-tools you can continue to confirm the Android license. Sample Flutter doctor analytic info: C:\Users>flutter doctor Doctor summary (to see all details, run flutter doctor -v): [√] Flutter (Channel stable, 3.0.5, on Microsoft Windows [Version 10.0.19043.1826], locale en-US) [!] Android toolchain - develop for Android devices (Android SDK version 33.0.0) X cmdline-tools component is missing Run `path/to/sdkmanager --install "cmdline-tools;latest"` See https://developer.android.com/studio/command-line for more details. X Android license status unknown. Run `flutter doctor --android-licenses` to accept the SDK licenses. See https://flutter.dev/docs/get-started/install/windows#android-setup for more details. [√] Chrome - develop for the web [X] Visual Studio - develop for Windows X Visual Studio not installed; this is necessary for Windows development. Download at https://visualstudio.microsoft.com/downloads/. Please install the "Desktop development with C++" workload, including all of its default components [√] Android Studio (version 2021.2) [√] VS Code (version 1.69.2) [√] Connected device (3 available) [√] HTTP Host Availability ! Doctor found issues in 2 categories. As suggested, you just need to run the command: Run `path/to/sdkmanager --install "cmdline-...

• • • • • • • • • • • • • • • • • • • Error: Unable to locate Android SDK After executing flutter doctor the following errors are issued: >flutter doctor Doctor summary (to see all details, run flutter doctor -v): [√] Flutter (Channel stable, 3.0.5, on Microsoft Windows [Version 10.0.22000.795], locale en-CH) [X] Android toolchain - develop for Android devices X Unable to locate Android SDK. Install Android Studio from: https://developer.android.com/studio/index.html On first launch it will assist you in installing the Android SDK components. (or visit https://flutter.dev/docs/get-started/install/windows#android-setup for detailed instructions). If the Android SDK has been installed to a custom location, please use `flutter config --android-sdk` to update to that location. [√] Chrome - develop for the web [!] Visual Studio - develop for Windows (Visual Studio Community 2022 17.2.3) X Visual Studio is missing necessary components. Please re-run the Visual Studio installer for the "Desktop development with C++" workload, and include these components: MSVC v142 - VS 2019 C++ x64/x86 build tools - If there are multiple build tool versions available, install the latest C++ CMake tools for Windows Windows 10 SDK [√] Android Studio (version 2021.2) [√] VS Code (version 1.69.2) [√] Connected device (3 available) [√] HTTP Host Availability ! Doctor found issues in 2 categories. For Windows: Inside Android Studio, get path from: gear icon> Apprearance & Behavior > System Settings > ...

Flutter Doctor merupakan sebuah sistem pada Flutter yang dapat digunakan untuk melakukan proses pengecekan terhadap Flutter yang telah diinstall di komputer. Misalnya seperti yang kita tahu, bahwa Flutter membutuhkan beberapa dependencies sebelum diinstall di komputer kita. Jika dependencies tersebut belum lengkap maka Flutter Doctor akan memunculkan error terkait hal tersebut. Intinya Flutter Doctor akan memberikan informasi error terkait Flutter yang diinstall di komputer kita, dan jika kita berhasil memperbaiki error tersebut Flutter Doctor pun tidak akan menampilkan kembali error tersebut. Cara Menjalankan Flutter Doctor Sebelum membuka Fluter Doctor, pastikan anda sudah melakukan instalasi Flutter sebelumnya. Anda dapat mengikuti artikel Untuk membuka Flutter Doctor anda dapat mengikuti langkah-langkah berikut. 1. Cari CMD di Windows anda, kemudian klik Run as administrator Cara Mengatasi Android Toolchain Error di Flutter Salahsatu error yang sering muncul pada saat pertama kali install Flutter adalah Android toolchain error. Untuk mengatasi error tersebut anda dapat mengikuti langkah langkah sebagai berikut. 1. Buka Android Studio yang telah anda install, Jika belum install anda dapat mengikuti artikel ini Sekian Artikel mengenai Flutter Doctor, semoga bermanfaat bagi anda yang sedang mencari cara untuk melakukan resolving dengan info error "android toolchain error", "license status unknown", "android sdk not found", atau "cmdline-tools component is missing" di Flut...

Flutter: Android Tool component missing In this article, we will see how can we fix Android Tool component missing error. This error started coming after flutter 2.5.0 and above. The solution simple and can be done in less than 5 minutes. The solution to this problem is different for windows and mac. As the solution for both the OS/Platform is not same. So, I made two different video with their respective solution. PS: Only the thumbnail is same Mac For mac the solution is pretty simple and it will take less than a minute. Part 1 • Step 1: Open Android Studio • Step 2. Go to Setting and select Appearance and Behavior • Step 3: Select system setting and then select Android SDK • Step 4: Now you will find the path of your SDK Part 2 • Step 1: Go to your file explorer(This PC) • Step 2: Paste the SDK path to the address bar • Step 3: Now you will see tools directory there • Step 4: Inside the tools there you will find the bin directory • Step 5: Open bin and copy the path from address bar