[Kotlin] Hilt

Hilt

---

프로젝트 build.gradle 에 dependency 추가

buildscript {
    ...
    dependencies {
        ...
        classpath 'com.google.dagger:hilt-android-gradle-plugin:2.28-alpha'
    }
}

 

 

 

app 단에 build.gradle에 dependency 추가

...
apply plugin: 'kotlin-kapt'
apply plugin: 'dagger.hilt.android.plugin'

android {
    ...
}

dependencies {
    implementation "com.google.dagger:hilt-android:2.28-alpha"
    kapt "com.google.dagger:hilt-android-compiler:2.28-alpha"
}

자바 1.8 버전 아니면 추가

android {
  ...
  compileOptions {
    sourceCompatibility JavaVersion.VERSION_1_8
    targetCompatibility JavaVersion.VERSION_1_8
  }
}

---

Application 단에 @HiltAndroidApp 추가

package com.example.sunflowerexample

import android.app.Application
import dagger.hilt.android.HiltAndroidApp

@HiltAndroidApp
class MainApplication : Application()

매니페스트에 MainApplication 추가

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.sunflowerexample">

    <application
        android:name=".MainApplication"
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/Theme.SunflowerExample">
        <activity android:name=".GardenActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>

 

---

Activity에 @AndroidEntryPoint 추가

package com.example.sunflowerexample

import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import androidx.databinding.DataBindingUtil.setContentView
import com.example.sunflowerexample.databinding.ActivityGardenBinding
import dagger.hilt.android.AndroidEntryPoint

@AndroidEntryPoint
class GardenActivity : AppCompatActivity() {
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView<ActivityGardenBinding>(this, R.layout.activity_garden)
    }
}

 

 

 

 

 

 

 

 

 

 

 

 

 

참고

https://developer.android.com/training/dependency-injection/hilt-android?hl=ko 

Hilt를 사용한 종속 항목 삽입  |  Android 개발자  |  Android Developers

Hilt 어노테이션 종류

https://developer.android.com/training/dependency-injection/hilt-android?hl=ko#component-hierarchy 

Hilt를 사용한 종속 항목 삽입  |  Android 개발자  |  Android Developers

https://hyperconnect.github.io/2020/07/28/android-dagger-hilt.html

Dagger Hilt로 안드로이드 의존성 주입 시작하기