|
|
| (同じ利用者による、間の4版が非表示) |
| 行1: |
行1: |
| − | ==サンプル==
| + | [[android/kotlin/DaggerHilt/基本]] |
| − | プロジェクト直のbuild.gradleに以下追加
| + | |
| − | <pre>
| + | |
| − | buildscript {
| + | |
| − | dependencies {
| + | |
| − | classpath "com.android.tools.build:gradle:4.1.1"
| + | |
| − | classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
| + | |
| − | def dagger_hilt_version = "2.31-alpha"
| + | |
| − | classpath "com.google.dagger:hilt-android-gradle-plugin:${dagger_hilt_version}"
| + | |
| − | }
| + | |
| − | }
| + | |
| − | </pre>
| + | |
| | | | |
| − | app/build.gradleに以下追加
| + | [[android/kotlin/DaggerHilt/バージョンアップ]] |
| − | <pre>
| + | |
| − | plugins {
| + | |
| − | id 'kotlin-kapt'
| + | |
| − | id 'dagger.hilt.android.plugin'
| + | |
| − | }
| + | |
| − | dependencies {
| + | |
| − | def dagger_hilt_version = "2.31.2-alpha"
| + | |
| − | implementation "com.google.dagger:hilt-android:${dagger_hilt_version}"
| + | |
| − | kapt "com.google.dagger:hilt-android-compiler:${dagger_hilt_version}"
| + | |
| − | def dagger_hilt_view_model_version = "1.0.0-alpha03"
| + | |
| − | implementation "androidx.hilt:hilt-lifecycle-viewmodel:${dagger_hilt_view_model_version}"
| + | |
| − | kapt "androidx.hilt:hilt-compiler:${dagger_hilt_view_model_version}"
| + | |
| − | }
| + | |
| − | </pre>
| + | |
| − | | + | |
| − | applicationを追加
| + | |
| − | | + | |
| − | MainApplication.kt
| + | |
| − | <pre>
| + | |
| − | import android.app.Application
| + | |
| − | import dagger.hilt.android.HiltAndroidApp
| + | |
| − | | + | |
| − | @HiltAndroidApp
| + | |
| − | class MainApplication : Application()
| + | |
| − | </pre>
| + | |
| − | | + | |
| − | AndoridManifest.xml のandroid:nameにpathを追加
| + | |
| − | <pre>
| + | |
| − | <?xml version="1.0" encoding="utf-8"?>
| + | |
| − | <manifest xmlns:android="http://schemas.android.com/apk/res/android"
| + | |
| − | package="com.example.daggerhiltapplication">
| + | |
| − | <application
| + | |
| − | android:name="com.example.daggerhiltapplication.MainApplication"
| + | |
| − | </pre>
| + | |
| − | | + | |
| − | MainActivity.kt
| + | |
| − | <pre>
| + | |
| − | import androidx.appcompat.app.AppCompatActivity
| + | |
| − | import android.os.Bundle
| + | |
| − | import dagger.hilt.android.AndroidEntryPoint
| + | |
| − | import javax.inject.Inject
| + | |
| − | | + | |
| − | @AndroidEntryPoint
| + | |
| − | class MainActivity : AppCompatActivity() {
| + | |
| − | @Inject
| + | |
| − | lateinit var usecase: HogeUsecase
| + | |
| − | override fun onCreate(savedInstanceState: Bundle?) {
| + | |
| − | super.onCreate(savedInstanceState)
| + | |
| − | setContentView(R.layout.activity_main)
| + | |
| − | | + | |
| − | Log.v("MainActivity", "onCreate!!")
| + | |
| − | usecase.print("MainActivity", "usecase.print!!")
| + | |
| − | }
| + | |
| − | }
| + | |
| − | </pre>
| + | |
| − | | + | |
| − | サービスとユースケースの読み込みモジュール
| + | |
| − | | + | |
| − | ApplicationBindsModule.kt
| + | |
| − | <pre>
| + | |
| − | import dagger.Binds
| + | |
| − | import dagger.Module
| + | |
| − | import dagger.hilt.InstallIn
| + | |
| − | import dagger.hilt.components.SingletonComponent
| + | |
| − | | + | |
| − | @Module
| + | |
| − | @InstallIn(SingletonComponent::class)
| + | |
| − | abstract class ApplicationBindsModule {
| + | |
| − | @Binds
| + | |
| − | abstract fun bindHogeService(hogeServiceImpl: HogeServiceImpl) : HogeService
| + | |
| − | }
| + | |
| − | </pre>
| + | |
| − | | + | |
| − | ApplicationProvidesModule.kt
| + | |
| − | <pre>
| + | |
| − | import dagger.Module
| + | |
| − | import dagger.Provides
| + | |
| − | import dagger.hilt.InstallIn
| + | |
| − | import dagger.hilt.components.SingletonComponent
| + | |
| − | | + | |
| − | @Module
| + | |
| − | @InstallIn(SingletonComponent::class)
| + | |
| − | object ApplicationProvidesModule {
| + | |
| − | @Provides
| + | |
| − | fun provideHogeUseCase(hogeService: HogeService) : HogeUsecase {
| + | |
| − | Log.v("ApplicationProvides", "provideHogeUseCase!!")
| + | |
| − | return HogeUsecase(hogeService)
| + | |
| − | }
| + | |
| − | }
| + | |
| − | </pre>
| + | |
| − | | + | |
| − | HogeService.kt
| + | |
| − | <pre>
| + | |
| − | import android.util.Log
| + | |
| − | import javax.inject.Inject
| + | |
| − | | + | |
| − | interface HogeService {
| + | |
| − | fun print(tag: String, message: String)
| + | |
| − | }
| + | |
| − | class HogeServiceImpl @Inject constructor(): HogeService {
| + | |
| − | override fun print(tag: String, message: String) {
| + | |
| − | Log.v("HogeServiceImpl", "print!! tag=$tag message=$message")
| + | |
| − | }
| + | |
| − | }
| + | |
| − | </pre>
| + | |
| − | | + | |
| − | HogeUsecase.kt
| + | |
| − | <pre>
| + | |
| − | import javax.inject.Inject
| + | |
| − | | + | |
| − | class HogeUsecase @Inject constructor(private val service: HogeService) {
| + | |
| − | fun print(tag: String, message: String) {
| + | |
| − | Log.v("HogeUsecase", "print!! tag=$tag message=$message")
| + | |
| − | service.print(tag, message)
| + | |
| − | }
| + | |
| − | }
| + | |
| − | </pre>
| + | |
| − | | + | |
| − | 出力
| + | |
| − | <pre>
| + | |
| − | V/ApplicationProvides: provideHogeUseCase!!
| + | |
| − | V/MainActivity: onCreate!!
| + | |
| − | V/HogeUsecase: print!! tag=MainActivity message=usecase.print!!
| + | |
| − | V/HogeServiceImpl: print!! tag=MainActivity message=usecase.print!!
| + | |
| − | </pre>
| + | |
| − | | + | |
| − | ==MainViewModelを追加==
| + | |
| − | app/build.gradle
| + | |
| − | <pre>
| + | |
| − | dependencies {
| + | |
| − | implementation "androidx.activity:activity-ktx:1.1.0"
| + | |
| − | }
| + | |
| − | </pre>
| + | |
| − | MainViewModel.kt
| + | |
| − | <pre>
| + | |
| − | import androidx.lifecycle.SavedStateHandle
| + | |
| − | import androidx.lifecycle.ViewModel
| + | |
| − | import dagger.hilt.android.lifecycle.HiltViewModel
| + | |
| − | import javax.inject.Inject
| + | |
| − | | + | |
| − | @HiltViewModel
| + | |
| − | class MainViewModel @Inject constructor(
| + | |
| − | private val savedState: SavedStateHandle,
| + | |
| − | private val usecase: HogeUsecase
| + | |
| − | ): ViewModel() {
| + | |
| − | fun print() {
| + | |
| − | usecase.print("MainViewModel", "print")
| + | |
| − | }
| + | |
| − | }
| + | |
| − | </pre>
| + | |
| − | | + | |
| − | MainActivity.ktを改修
| + | |
| − | <pre>
| + | |
| − | | + | |
| − | import androidx.appcompat.app.AppCompatActivity
| + | |
| − | import android.os.Bundle
| + | |
| − | import android.util.Log
| + | |
| − | import androidx.activity.viewModels
| + | |
| − | import dagger.hilt.android.AndroidEntryPoint
| + | |
| − | import javax.inject.Inject
| + | |
| − | | + | |
| − | @AndroidEntryPoint
| + | |
| − | class MainActivity : AppCompatActivity() {
| + | |
| − | | + | |
| − | @Inject
| + | |
| − | lateinit var usecase: HogeUsecase
| + | |
| − | | + | |
| − | private val mainViewModel: MainViewModel by viewModels()
| + | |
| − | | + | |
| − | override fun onCreate(savedInstanceState: Bundle?) {
| + | |
| − | super.onCreate(savedInstanceState)
| + | |
| − | setContentView(R.layout.activity_main)
| + | |
| − | | + | |
| − | Log.v("MainActivity", "onCreate!!")
| + | |
| − | usecase.print("MainActivity", "usecase.print!!")
| + | |
| − | | + | |
| − | mainViewModel.print()
| + | |
| − | | + | |
| − | }
| + | |
| − | }
| + | |
| − | </pre>
| + | |
| − | ==参考==
| + | |
| − | https://medium.com/kaleidot725/%E8%A9%B1%E9%A1%8C%E3%81%AE-dagger-hilt-%E3%82%92%E4%BD%BF%E3%81%A3%E3%81%A6%E3%81%BF%E3%81%9F-13acab8163e0
| + | |
