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Flutter_cheatsheet.md

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Flutter

CheatSheet

  # confirm if your flutter SDK is set up correctly and compatible with other platforms, devices and IDE.
     `flutter doctor` or `flutter doctor -v`


  # create a new flutter project from terminal
     `flutter create NAME_OF_APP`
  

  # create a new flutter project and replace the default package name flutter gives you com.example.myappname
     `flutter create –org com.mywebsite NAME_OF_APP`


  # set a specific language for the Android app and iOS; here we use Java for Android and objective-C for iOS
     `flutter create --org=com.mywebsite --android-language=java --ios-language=objc NAME_OF_APP`


  # mistakenly deleted a file, create it with its boilerplate codes. This will replace all missing files without creating everything from scratch
     `flutter create --no-overwrite --org=com.mywebsite.NAME_OF_APP`


  # list all devices connected and supported by the Flutter SDK
     `flutter devices`

  # get current device id
     `flutter --device-id`


  # flutter help
     `flutter -h`


  # run a flutter app
     `flutter run`


  # to see more outputs while app is trying to build in debug mode
     `flutter run -v `


  # after making stateless change(changing font size, color, widget size, shape, etc)
     `Hot Reload (r): tap small r while app is running`


  # after you make changes to class instances or things that will affect app’s current state
     `Hot Restart(R): tap big R while app is running`


  # take a screenshot from the terminal:
     `tap small (s) when running the app in debug mode`


  # lost connecting while debugging, connect your app back via
     `flutter attach -d <target-platform-name` or simply `flutter attach`


  # show all available options while your app is running in debug mode:
     `press small (h)`


  # list flutter channels.
     `flutter channel`


  # switch to a flutter channel
     `flutter channel CHANNEL_NAME`


  # upgrade your Flutter SDK with Dart
     `flutter upgrade`


  # get current flutter version
     `flutter --version`


  # list, launch or create emulators
     `flutter emulators`


  # generate localizations for the Flutter project
     `flutter gen-l10n PATH_TO_TRANSLATION_FILE`


  # format a dart file
     `flutter format PATH_TO_DART_FILE`


  # run your tests packages
     `flutter test PATH_TO_TEST_FILE`

  # add a third party package
     `flutter pub add NAME_OF_PACKAGE`


  #  download the third party package
     `flutter pub get`
  

  # remove every temporary files & folders
     `flutter clean`


  # build the APK file
     `flutter build apk`


  #Tip: speed up Flutter Development
     use the third packages to suit your needs. Google first.