Setting up Kotlin formatting in Android Studio

Kotlin code in this repository is formatted and linted with ktlint. If you

1. have submitted Kotlin code only to learn this when the analyzer check fails
2. use Android Studio

then there is good news! Android Studio can be configured to use ktlint to automatically apply formatting and highlight issues. To do this:

1. Install the ktlint extension for Android Studio

   a. On Mac, this is Android Studio > Settings > Plugins > Search for ktlint.

2. Set the ruleset to be the same as the version used in .ci.yaml (as of writing this is 1.5), and the baseline to be dev/bots/test/analyze-test-input/ktlint-baseline.xml.

   a. Both of these options should be available under Android Studio > Settings > Tools > ktlint.

3. Additionally, Kotlin code in the Flutter repository currently uses some additional rules for compatibility with older versions of Kotlin. These rules can only be configured by an .editorconfig file in the directory from which Android Studio was opened. To configure these rules, create a copy of the .editorconfig that is used by tests in the root directory you intend to open with Android Studio.