Any good examples of manual dependency injection?

• On

  1 9 2.7 Kotlin

  Kotlin Dependency Injection with zero setup and zero boilerplate code

Here's a lib I made to use in my Android projects, it's so hard for me to ever use anything else because of how simple it is

• compose-samples

  101 18,858 9.7 Kotlin

  Official Jetpack Compose samples.

  

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• persista

  4 7 6.5 Kotlin

  Small kotlin library for persisting _single instances_ of kotlin data classes

I use manual DI whenever I don't want to force Koin or Dagger on a project, or I want to keep things super simple. This method gives you either single instance or factory, no lazy initialization, and no scoping (you'd have to add the ViewModel scoped stuff) simple app that has it: https://github.com/erdo/persista/tree/main/example-app/src/main/java/foo/bar/example (dependencies constructed here): https://github.com/erdo/persista/blob/main/example-app/src/main/java/foo/bar/example/OG.kt (getting the dependencies into your UI here): https://github.com/erdo/persista/blob/main/example-app/src/main/java/foo/bar/example/ui/wallet/WalletsActivity.kt ``` private val wallet: Wallet = OG[Wallet::class.java] ``` another larger app example: https://github.com/erdo/apollo3-android-sample It looks quite like a ServiceLocator but the difference is these things are not statically referenced and can easily be mocked in tests

• apollo3-android-sample

  2 4 0.0 Kotlin

  sample android apollo3 client app

I use manual DI whenever I don't want to force Koin or Dagger on a project, or I want to keep things super simple. This method gives you either single instance or factory, no lazy initialization, and no scoping (you'd have to add the ViewModel scoped stuff) simple app that has it: https://github.com/erdo/persista/tree/main/example-app/src/main/java/foo/bar/example (dependencies constructed here): https://github.com/erdo/persista/blob/main/example-app/src/main/java/foo/bar/example/OG.kt (getting the dependencies into your UI here): https://github.com/erdo/persista/blob/main/example-app/src/main/java/foo/bar/example/ui/wallet/WalletsActivity.kt ``` private val wallet: Wallet = OG[Wallet::class.java] ``` another larger app example: https://github.com/erdo/apollo3-android-sample It looks quite like a ServiceLocator but the difference is these things are not statically referenced and can easily be mocked in tests

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