Feat: Coil 라이브러리 커스텀 ImageLoader 설정

Author: wjdrjs00

app/build.gradle.kts

@@ -100,4 +100,5 @@ dependencies {
     implementation(libs.bundles.retrofit)
     implementation(platform(libs.okhttp.bom))
     implementation(libs.bundles.okhttp)
+    implementation(libs.bundles.coil)
 }

app/src/main/java/com/threegap/bitnagil/BitnagilApplication.kt

@@ -1,16 +1,54 @@
 package com.threegap.bitnagil
 
 import android.app.Application
+import coil3.ImageLoader
+import coil3.PlatformContext
+import coil3.SingletonImageLoader
+import coil3.disk.DiskCache
+import coil3.memory.MemoryCache
+import coil3.network.okhttp.OkHttpNetworkFetcherFactory
+import coil3.request.CachePolicy
+import coil3.request.crossfade
+import coil3.util.DebugLogger
 import com.kakao.sdk.common.KakaoSdk
+import com.threegap.bitnagil.di.core.CoilEntryPoint
+import dagger.hilt.EntryPoints
 import dagger.hilt.android.HiltAndroidApp
+import okio.Path.Companion.toOkioPath
 
 @HiltAndroidApp
-class BitnagilApplication : Application() {
+class BitnagilApplication : Application(), SingletonImageLoader.Factory {
+
     override fun onCreate() {
         super.onCreate()
         initKakaoSdk()
     }
 
+    override fun newImageLoader(context: PlatformContext): ImageLoader {
+        val okHttpClient = EntryPoints
+            .get(this, CoilEntryPoint::class.java)
+            .noneAuthOkHttpClient()
+
+        return ImageLoader.Builder(context)
+            .components { add(OkHttpNetworkFetcherFactory(callFactory = { okHttpClient })) }
+            .memoryCache {
+                MemoryCache.Builder()
+                    .maxSizePercent(context, percent = 0.25)
+                    .build()
+            }
+            .diskCache {
+                DiskCache.Builder()
+                    .directory(cacheDir.resolve("image_cache").toOkioPath())
+                    .maxSizeBytes(50L * 1024 * 1024)
+                    .build()
+            }
+            .memoryCachePolicy(CachePolicy.ENABLED)
+            .diskCachePolicy(CachePolicy.ENABLED)
+            .crossfade(true)
+            .logger(if (BuildConfig.DEBUG) DebugLogger() else null)
+            .build()
+    }
+
     private fun initKakaoSdk() {
         KakaoSdk.init(this, BuildConfig.KAKAO_NATIVE_APP_KEY)
     }

app/src/main/java/com/threegap/bitnagil/di/core/CoilEntryPoint.kt

@@ -0,0 +1,14 @@
+package com.threegap.bitnagil.di.core
+
+import com.threegap.bitnagil.network.NoneAuth
+import dagger.hilt.EntryPoint
+import dagger.hilt.InstallIn
+import dagger.hilt.components.SingletonComponent
+import okhttp3.OkHttpClient
+
+@EntryPoint
+@InstallIn(SingletonComponent::class)
+interface CoilEntryPoint {
+    @NoneAuth
+    fun noneAuthOkHttpClient(): OkHttpClient
+}