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Invoice Ninja

Client app for the Invoice Ninja web app.

  • Google Play Store: v4 | v5
  • Apple App Store: v4 | v5

Dashboard View Invoice List Invoice New Invoice

Setting up the app

  • Run cp lib/.env.dart.example lib/.env.dart to create the config file.
  • Run cp android/app/ android/app/build.gradle to support running the code unsigned.
  • Run flutter run while you have a device connected to the computer or an emulator running and now you can run it.

Note: if you don't have an Invoice Ninja backend setup you can test the app with these credentials:

  • Email:
  • Password: Password0
  • URL:

Application Architecture

The application was created using the Flutter Redux Starter.

The architecture is based off these two projects:

Blog Posts

Code generation

  • Run flutter packages pub run build_runner build --delete-conflicting-outputs to regenerate the model files. It will also remove the old generated files so conflicts are avoided..


  • Run flutter drive --target=test_driver/all_it.dart to run the tests

Code Signing

  • Run cp android/app/ android/app/build.gradle to support running the code signed
  • Run cp android/ android/ to create the keys file
  • Run keytool -genkey -v -keystore key.jks -keyalg RSA -keysize 2048 -validity 10000 -alias invoiceninja to generate a key to be able to sign the android application.
  • Update android/ according to the parameters you entered in previous command when you generated the key
  • Open a new Firebase project from your console. Firebase is used for authentication.
    • Inside the project go to Authentication and enable at least one method.
    • After go to add a new Android application. For the package name add com.invoiceninja.flutter
    • Press "Register App" button.
    • Download "google-services.json" and put it in android/app directory.



We gladly accept contributions! If you'd like to get involved with development please join our Slack group.