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Initial list of best practices to follow in our project #1925

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Oct 31, 2020
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7 changes: 7 additions & 0 deletions CONTRIBUTING.md
Original file line number Diff line number Diff line change
Expand Up @@ -43,6 +43,13 @@ which uses [google-java-format](https://github.com/google/google-java-format) li

`./gradlew spotless`

### Best practices that we follow

* Avoid exposing publicly any class/method/variable that don't need to be public;
* By default, all arguments/members are treated as non-null. Every argument/member that can be `null` must be annotated with `@Nullable`;
* The project aims to provide a consistent experience across all the public APIs. It is important to ensure consistency (same look and feel) across different public packages;
* Use `final` everywhere is possible, this ensures that classes cannot be extended when the API does not intend to offer that functionality;
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### Pre-commit hook
To completely delegate code style formatting to the machine,
you can add [git pre-commit hook](https://git-scm.com/docs/githooks).
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