Flutter初心者おじさん

❯ brew install --cask flutter

❯ flutter doctor
zsh: correct flutter to _flutter [nyae]? n
Doctor summary (to see all details, run flutter doctor -v):
[✓] Flutter (Channel stable, 3.3.2, on macOS 12.5.1 21G83 darwin-arm, locale ja-JP)
[✗] Android toolchain - develop for Android devices
    ✗ 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/macos#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.

[!] Xcode - develop for iOS and macOS (Xcode 13.4.1)
    ✗ CocoaPods not installed.
        CocoaPods is used to retrieve the iOS and macOS platform side's plugin code that responds to your plugin usage on the Dart side.
        Without CocoaPods, plugins will not work on iOS or macOS.
        For more info, see https://flutter.dev/platform-plugins
      To install see https://guides.cocoapods.org/using/getting-started.html#installation for instructions.
[✓] Chrome - develop for the web
[!] Android Studio (not installed)
[✓] VS Code (version 1.71.0)
[✓] Connected device (2 available)
[✓] HTTP Host Availability

! Doctor found issues in 3 categories.

❯ flutter doctor
Doctor summary (to see all details, run flutter doctor -v):
[✓] Flutter (Channel stable, 3.3.2, on macOS 12.5.1 21G83 darwin-arm, locale ja-JP)
[!] Android toolchain - develop for Android devices (Android SDK version 33.0.0)
    ✗ 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 macOS (Xcode 13.4.1)
    ✗ CocoaPods not installed.
        CocoaPods is used to retrieve the iOS and macOS platform side's plugin code that responds to your plugin usage on the Dart side.
        Without CocoaPods, plugins will not work on iOS or macOS.
        For more info, see https://flutter.dev/platform-plugins
      To install see https://guides.cocoapods.org/using/getting-started.html#installation for instructions.
[✓] Chrome - develop for the web
[✓] Android Studio (version 2021.3)
[✓] VS Code (version 1.71.1)
[✓] Connected device (2 available)
[✓] HTTP Host Availability

! Doctor found issues in 2 categories.

❯ flutter doctor
Doctor summary (to see all details, run flutter doctor -v):
[✓] Flutter (Channel stable, 3.3.2, on macOS 12.5.1 21G83 darwin-arm, locale ja-JP)
[!] Android toolchain - develop for Android devices (Android SDK version 33.0.0)
    ! Some Android licenses not accepted.  To resolve this, run: flutter doctor --android-licenses
[!] Xcode - develop for iOS and macOS (Xcode 13.4.1)
    ✗ CocoaPods not installed.
        CocoaPods is used to retrieve the iOS and macOS platform side's plugin code that responds to your plugin usage on the Dart side.
        Without CocoaPods, plugins will not work on iOS or macOS.
        For more info, see https://flutter.dev/platform-plugins
      To install see https://guides.cocoapods.org/using/getting-started.html#installation for instructions.
[✓] Chrome - develop for the web
[✓] Android Studio (version 2021.3)
[✓] VS Code (version 1.71.1)
[✓] Connected device (2 available)
[✓] HTTP Host Availability

! Doctor found issues in 2 categories.

❯ flutter doctor
Doctor summary (to see all details, run flutter doctor -v):
[✓] Flutter (Channel stable, 3.3.2, on macOS 12.5.1 21G83 darwin-arm, locale ja-JP)
[✓] Android toolchain - develop for Android devices (Android SDK version 33.0.0)
[!] Xcode - develop for iOS and macOS (Xcode 13.4.1)
    ✗ CocoaPods not installed.
        CocoaPods is used to retrieve the iOS and macOS platform side's plugin code that responds to your plugin usage on the Dart side.
        Without CocoaPods, plugins will not work on iOS or macOS.
        For more info, see https://flutter.dev/platform-plugins
      To install see https://guides.cocoapods.org/using/getting-started.html#installation for instructions.
[✓] Chrome - develop for the web
[✓] Android Studio (version 2021.3)
[✓] VS Code (version 1.71.1)
[✓] Connected device (2 available)
[✓] HTTP Host Availability

! Doctor found issues in 1 category.

❯ flutter create flutter_github_repos
Creating project flutter_github_repos...
Running "flutter pub get" in flutter_github_repos...             1,213ms
Wrote 127 files.

All done!
In order to run your application, type:

  $ cd flutter_github_repos
  $ flutter run

Your application code is in flutter_github_repos/lib/main.dart.

❯ cd flutter_github_repos
❯ git init
❯ git branch -m main
❯ git add .
❯ git commit -m init
❯ git push -u origin main

❯ flutter run
Multiple devices found:
macOS (desktop) • macos  • darwin-arm64   • macOS 12.5.1 21G83 darwin-arm
Chrome (web)    • chrome • web-javascript • Google Chrome 105.0.5195.125
[1]: macOS (macos)
[2]: Chrome (chrome)
Please choose one (To quit, press "q/Q"): 2
Launching lib/main.dart on Chrome in debug mode...
Waiting for connection from debug service on Chrome...             10.0s
This app is linked to the debug service: ws://127.0.0.1:52089/SN91t5380Ak=/ws
Debug service listening on ws://127.0.0.1:52089/SN91t5380Ak=/ws

💪 Running with sound null safety 💪

🔥  To hot restart changes while running, press "r" or "R".
For a more detailed help message, press "h". To quit, press "q".

An Observatory debugger and profiler on Chrome is available at: http://127.0.0.1:52089/SN91t5380Ak=
Flutter Web Bootstrap: Programmatic
The Flutter DevTools debugger and profiler on Chrome is available at: http://127.0.0.1:9101?uri=http://127.0.0.1:52089/SN91t5380Ak=