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Solved: How to Fix Flutter Doctor "Android Toolchain cmdline tools Component is Missing" Error On Mac / MacOS MacBook (M1 | M2 | M3 | MacBook Pro | MacBook Air) Mac / MacOS Encountering the "Android Toolchain cmdline-tools Component is Missing" error while running Flutter Doctor on your Mac or MacOS-powered MacBook with an M1, M2, or M3 chip can be frustrating, especially when you're eager to dive into mobile app development with Flutter. Fear not! In this comprehensive tutorial, we'll walk you through the steps to resolve this common issue and get your Flutter environment up and running smoothly, ensuring you can kickstart your mobile app development journey without any hiccups. Follow these straightforward steps to fix the "Android Toolchain cmdline tools Component is Missing" error on your Mac or MacOS-powered MacBook: 1. **Check Android Command Line Tools Installation:** - Open Android Studio on your Mac and navigate to "Preferences" - "Appearance & Behavior" - "System Settings" - "Android SDK." - Ensure that the "Android SDK Command-line Tools" component is installed. If not, check the box next to it and click "Apply" to install the missing component. 2. **Verify Android SDK Installation Path:** - Open a terminal window on your Mac and run the following command to verify the path to your Android SDK installation: ``` echo $ANDROID_HOME ``` - Ensure that the path points to the correct location where the Android SDK is installed. If not, you may need to update the path in your environment variables. 3. **Update Android SDK Command-line Tools:** - If the Android SDK Command-line Tools are already installed but Flutter Doctor still reports the error, try updating the tools to the latest version. - Open Android Studio and navigate to "Preferences" - "Appearance & Behavior" - "System Settings" - "Android SDK." - Select the "SDK Tools" tab and check the box next to "Android SDK Command-line Tools (latest)" to update the tools to the latest version. 4. **Set Environment Variables (Optional):** - Open a terminal window and navigate to your home directory (`cd ~`) or the directory where your Android SDK is installed. - Run the following command to set the `ANDROID_HOME` environment variable: ``` export ANDROID_HOME=/path/to/android/sdk ``` - Replace `/path/to/android/sdk` with the actual path to your Android SDK installation directory. 5. **Run Flutter Doctor Again:** - After completing the above steps, run Flutter Doctor again in your terminal window: ``` flutter doctor ``` - Flutter Doctor should now report that the "Android Toolchain cmdline tools Component" is no longer missing, and you should be ready to proceed with your Flutter development workflow without any errors. By following these steps, you can resolve the "Android Toolchain cmdline tools Component is Missing" error on your Mac or MacOS-powered MacBook, ensuring that your Flutter environment is set up correctly for mobile app development. Whether you're a beginner exploring Flutter or an experienced developer troubleshooting issues, these solutions will help you get back on track and focus on building incredible mobile experiences with Flutter. For more Flutter tutorials, mobile app development tips, and tech insights, subscribe to our channel and stay tuned for future videos! #Flutter #MobileAppDevelopment #MacOS #MacBook #M1Chip #M2Chip #M3Chip #MacBookPro #MacBookAir #AndroidStudio #FlutterDoctor #TechTutorial #FlutterError #FlutterFix #AndroidToolchain #MobileDevelopment #DevelopmentTools #TechHowTo #MobileAppDevelopmentOnMac #AndroidSDK #FlutterEnvironment #AndroidSDKInstallation #FlutterSetup #FlutterDevelopment #MacOSDevelopment #FlutterDevelopmentEnvironment #MobileAppDevelopmentTips Key Highlights & Overview: Learning <strong>Fluttererror</strong> requires clear step-by-step guidance and practical hands-on visual demonstrations. Explore curated video courses, expert walkthroughs, and detailed lesson notes today on <strong>TutorTube</strong>.