Cirilla is a Flutter app, it requires Flutter development environment installed before you can run and configure your app. Please follow Flutter official documentation to install Flutter development environment via below link:

Install Flutter: https://flutter.dev/docs/get-started/install

After Flutter development environment is installed successfully run below command to confirmation:

flutter doctor -v

After the installation of Flutter is complete your computer should should as below:

[✓] Flutter (Channel stable, 2.2.0, on macOS 11.3 20E232 darwin-x64, locale
    en-VN)
    • Flutter version 2.2.0 at /Users/ngocdt/Flutter/SDK/flutter
    • Framework revision b22742018b (3 weeks ago), 2021-05-14 19:12:57 -0700
    • Engine revision a9d88a4d18
    • Dart version 2.13.0

[✓] Android toolchain - develop for Android devices (Android SDK version 30.0.3)
    • Android SDK at /Users/ngocdt/Library/Android/sdk
    • Platform android-30, build-tools 30.0.3
    • ANDROID_HOME = /Users/ngocdt/Library/Android/sdk
    • Java binary at: /Applications/Android
      Studio.app/Contents/jre/jdk/Contents/Home/bin/java
    • Java version OpenJDK Runtime Environment (build 11.0.8+10-b944.6916264)
    • All Android licenses accepted.

[✓] Xcode - develop for iOS and macOS
    • Xcode at /Applications/Xcode.app/Contents/Developer
    • Xcode 12.5, Build version 12E262
    • CocoaPods version 1.10.1

[✓] Chrome - develop for the web
    • Chrome at /Applications/Google Chrome.app/Contents/MacOS/Google Chrome

[✓] Android Studio (version 4.2)
    • Android Studio at /Applications/Android Studio.app/Contents
    • Flutter plugin can be installed from:
      🔨 https://plugins.jetbrains.com/plugin/9212-flutter
    • Dart plugin can be installed from:
      🔨 https://plugins.jetbrains.com/plugin/6351-dart
    • Java version OpenJDK Runtime Environment (build 11.0.8+10-b944.6916264)

[✓] Connected device (1 available)
    • Chrome (web) • chrome • web-javascript • Google Chrome 91.0.4472.77

• No issues found!

To install Android Studio follow this link from official Flutter documentation: https://flutter.dev/docs/get-started/editor?tab=androidstudio