Fix #10: Add Dagger Hilt for DI and Setup ApiModule #13
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WalkthroughThis update introduces Dagger Hilt as the dependency injection framework for the Android application. The build scripts are modified to include Dagger Hilt and Kotlin Symbol Processing (KSP) plugins and dependencies. A new application class annotated with Changes
Sequence Diagram(s)sequenceDiagram
participant AndroidSystem
participant GithubNotifierApp
participant MainActivity
participant ApiModule
participant HttpClient
AndroidSystem->>GithubNotifierApp: Launch Application
GithubNotifierApp->>Hilt: Initialize Hilt DI
Hilt->>ApiModule: Provide HttpClient Singleton
AndroidSystem->>MainActivity: Create Activity
MainActivity->>Hilt: Inject Dependencies
Hilt->>MainActivity: Inject HttpClient (from ApiModule)
Assessment against linked issues
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🔇 Additional comments (1)
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app/build.gradle.kts(2 hunks)app/src/main/java/com/notifier/app/GithubNotifierApp.kt(1 hunks)app/src/main/java/com/notifier/app/MainActivity.kt(1 hunks)app/src/main/java/com/notifier/app/di/ApiModule.kt(1 hunks)build.gradle.kts(1 hunks)gradle/libs.versions.toml(2 hunks)
⏰ Context from checks skipped due to timeout of 90000ms (3)
- GitHub Check: instrumented_tests (29)
- GitHub Check: unit_tests
- GitHub Check: build
🔇 Additional comments (10)
gradle/libs.versions.toml (3)
15-16: Dependency versions look good.The versions for KSP (2.0.21-1.0.27) and Dagger Hilt (2.56.1) are appropriate for the project. Dagger Hilt provides a standard way to implement dependency injection in Android applications.
42-43: Library declarations are correctly configured.The Dagger Hilt libraries are properly defined with the appropriate group, name, and version reference. The inclusion of both the core library and compiler is necessary for the annotation processing to work correctly.
50-51: Plugins are properly declared.The KSP and Dagger Hilt plugins are correctly configured. KSP (Kotlin Symbol Processing) will handle the annotation processing for Dagger Hilt, which is more efficient than traditional annotation processing.
build.gradle.kts (1)
6-7: Plugin configuration correctly usesapply false.The KSP and Dagger Hilt plugins are properly declared with
apply false, which is the correct approach for the root build file. This makes the plugins available to subprojects without applying them at the root level.app/src/main/java/com/notifier/app/GithubNotifierApp.kt (1)
1-7:Details
✅ Verification successful
Application class correctly annotated with
@HiltAndroidApp.The
GithubNotifierAppclass is properly set up with the@HiltAndroidAppannotation, which is the entry point for Dagger Hilt. This empty application class is sufficient to initialize the Hilt dependency graph.However, you should check if Dagger Hilt modules are properly set up to provide dependencies.
🏁 Script executed:
#!/bin/bash # Check for Dagger Hilt modules in the project echo "Checking for Dagger Hilt modules..." fd -e kt -e java | xargs grep -l "@Module" || echo "No modules found" # Check if ApiModule exists as mentioned in the summary echo "Looking for ApiModule specifically..." fd "ApiModule.kt" -x cat {}Length of output: 757
Hilt setup verified: Application and DI modules correctly configured
GithubNotifierAppis annotated with@HiltAndroidAppas the Hilt entry point.- Found
app/src/main/java/com/notifier/app/di/ApiModule.ktwith proper@Moduleand@InstallIn(SingletonComponent::class)annotations, providing the HTTP client.No further changes required.
app/build.gradle.kts (2)
6-7: Good addition of KSP and Dagger Hilt plugins.The plugins are correctly added to support Dagger Hilt integration. KSP (Kotlin Symbol Processing) is appropriately applied before the Dagger Hilt plugin, as recommended in the Hilt documentation.
63-64: Correctly added Dagger Hilt dependencies.The dependencies are properly configured with:
implementation(libs.dagger.hilt)for the runtime libraryksp(libs.dagger.hilt.compiler)for annotation processingThese match the plugin additions made above.
app/src/main/java/com/notifier/app/di/ApiModule.kt (3)
1-10: Appropriate imports for Dagger Hilt module.All necessary imports for creating a Hilt module and providing an HttpClient are included.
11-13: Well-structured Hilt module declaration.The module is correctly:
- Annotated with
@Moduleto identify it as a Dagger module- Installed in
SingletonComponentto make its dependencies available application-wide- Defined as a Kotlin
objectwhich is appropriate for stateless modulesThis follows best practices for Dagger Hilt modules.
14-17:Details
✅ Verification successful
HttpClient provider implementation looks good.
The provider method correctly uses
@Providesannotation and returns an HttpClient instance using the factory pattern.Consider verifying that:
- The
HttpClientFactory.create()method properly configures the client for GitHub API- There's a strategy for mocking this client in tests
🏁 Script executed:
#!/bin/bash # Let's check the HttpClientFactory implementation fd -e kt -p "HttpClientFactory" --exec cat {}Length of output: 4092
HttpClientFactory configuration and mocking verified
- In
app/src/main/java/com/notifier/app/core/data/networking/HttpClientFactory.kt,create(engine)installs Logging, HttpTimeout, ContentNegotiation, applies a default JSONContent-Type, and adds the GitHub‐specific headerX-GitHub-Api-Version.- In
app/src/main/java/com/notifier/app/core/data/networking/HttpClientFactoryTest.kt, aMockEngine–backed client is used to verify plugin installation, demonstrating an effective mocking strategy.No further action required.
theMr17
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