10/10 points: Provide a valid pubspec.yaml

5/5 points: Provide a valid README.md

5/5 points: Provide a valid CHANGELOG.md

10/10 points: Use an OSI-approved license

Detected license: BSD-3-Clause.

10/10 points: 20% or more of the public API has dartdoc comments

17 out of 29 API elements (58.6 %) have documentation comments.

Some symbols that are missing documentation: i2c, i2c.I2C.I2C.new, i2c.I2CDevice.I2CDevice.new, i2c.I2CDevice.address, i2c.I2CException.I2CException.new.

10/10 points: Package has an example

20/20 points: Supports 6 of 6 possible platforms (iOS, Android, Web, Windows, macOS, Linux)

• ✓ Android

• ✓ iOS

• ✓ Windows

• ✓ Linux

• ✓ macOS

• ✓ Web

0/50 points: code has no errors, warnings, lints, or formatting issues

Found 10 issues. Showing the first 2:

  ╷
3 │ import 'dart-ext:rpi_i2c_ext';
  │        ^^^^^^^^^^^^^^^^^^^^^^
  ╵

   ╷
34 │   int _setupDevice(int address) native 'setupDevice';
   │                                 ^^^^^^^^^^^^^^^^^^^^^
   ╵

10/10 points: All of the package dependencies are supported in the latest version

To reproduce run dart pub outdated --no-dev-dependencies --up-to-date --no-dependency-overrides.

10/10 points: Package supports latest stable Dart and Flutter SDKs

0/20 points: Compatible with dependency constraint lower bounds

downgrade analysis failed failed with 8 errors:

• USE_OF_NATIVE_EXTENSION - lib/rpi_i2c.dart:3:8 - Dart native extensions are deprecated and aren't available in Dart 2.15.
• NATIVE_FUNCTION_BODY_IN_NON_SDK_CODE - lib/rpi_i2c.dart:34:33 - Native functions can only be declared in the SDK and code that is loaded through native extensions.
• NATIVE_FUNCTION_BODY_IN_NON_SDK_CODE - lib/rpi_i2c.dart:35:30 - Native functions can only be declared in the SDK and code that is loaded through native extensions.

Run dart pub downgrade and then dart analyze to reproduce the above problem.

You may run dart pub upgrade --tighten to update your dependency constraints, see dart.dev/go/downgrade-testing for details.