Introduce ktor http client with okhttp backend

app/build.gradle.kts

@@ -190,6 +190,8 @@ dependencies {
     // https://coil-kt.github.io/coil/changelog/
     // implementation 'io.coil-kt:coil:2.2.2'
     implementation("com.github.Ehviewer-Overhauled.coil:coil-compose:d65881d")
+
+    implementation("io.ktor:ktor-client-okhttp:2.2.3")
     implementation("org.jetbrains.kotlinx:kotlinx-coroutines-android:1.6.4")
     implementation("org.jetbrains.kotlinx:kotlinx-serialization-cbor:1.5.0-RC")
     implementation("org.jsoup:jsoup:1.15.3")

app/proguard-rules.pro

@@ -13,6 +13,9 @@
 
 -keep class androidx.viewpager.widget.ViewPager$LayoutParams { int position; }
 
+# Ktor logger
+-dontwarn org.slf4j.impl.StaticLoggerBinder
+
 -keepattributes LineNumberTable,SourceFile
 -renamesourcefileattribute SourceFile
 

app/src/main/java/com/hippo/ehviewer/EhApplication.kt

@@ -55,6 +55,8 @@ import com.hippo.yorozuya.IntIdGenerator
 import eu.kanade.tachiyomi.core.preference.AndroidPreferenceStore
 import eu.kanade.tachiyomi.ui.reader.setting.ReaderPreferences
 import eu.kanade.tachiyomi.util.lang.launchIO
+import io.ktor.client.HttpClient
+import io.ktor.client.engine.okhttp.OkHttp
 import kotlinx.coroutines.DelicateCoroutinesApi
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.ExperimentalCoroutinesApi
@@ -312,6 +314,14 @@ class EhApplication : Application(), DefaultLifecycleObserver, ImageLoaderFactor
             builder.build()
         }
 
+        val ktorClient by lazy {
+            HttpClient(OkHttp) {
+                engine {
+                    preconfigured = okHttpClient
+                }
+            }
+        }
+
         @JvmStatic
         val galleryDetailCache by lazy {
             LruCache<Long, GalleryDetail>(25).also {