Run flutter doctor to check install Flutter success
➜ flutter doctor Doctor summary (to see all details, run flutter doctor -v): [✓] Flutter (Channel beta, v1.6.3, on Mac OS X 10.14.5 18F132, locale en-JP) [✓] Android toolchain - develop for Android devices (Android SDK version 28.0.3) [✓] iOS toolchain - develop for iOS devices (Xcode 10.2.1) [✓] Android Studio (version 3.4) [✓] VS Code (version 1.35.0) [!] Connected device ! No devices available ! Doctor found issues in 1 category.
You can use terminal, or Android Studio, or VSCode
cd <project root directory> then run command
flutter pub get
Click Packages get in the action ribbon at the top of pubspec.yaml.
Get Packages located in right side of the action ribbon at the top of pubspec.yaml
Click to play button on toolbar.
Click to debug button. Then click play button.