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BestPractices
Googler edited this page Jan 11, 2021
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- Minimize mutability
- Inject only direct dependencies
- Use the Injector as little as possible (preferably only once)
- Avoid cyclic dependencies
- Avoid static state
- Use
@Nullable - Modules should be fast and side-effect free
- Be careful about I/O in Providers
- Avoid conditional logic in modules
- Keep constructors as hidden as possible
- Avoid binding Closable resources
- Prefer
@Providesmethods over the binding DSL - Avoid calling
@Providesmethods and@Injectconstructors directly - A binding annotation's Javadoc should describe the corresponding binding
- Don't reuse binding annotations (aka
@Qualifiers) - Organize modules by feature, not by class type
- Document the public bindings provided by modules
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