Resolve #525

app/src/main/java/eu/kanade/tachiyomi/ui/reader/ReaderActivity.kt

@@ -161,7 +161,7 @@ class ReaderActivity : EhActivity() {
             }
         }
     }
-    private var mGalleryProvider: PageLoader2? = null
+    var mGalleryProvider: PageLoader2? = null
     private var mSize: Int = 0
     private var mCurrentIndex: Int = 0
     private var mSavingPage = -1

app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/pager/PagerPageHolder.kt

@@ -203,7 +203,7 @@ class PagerPageHolder(
             errorLayout = ReaderErrorBinding.inflate(LayoutInflater.from(context), this, true)
             errorLayout?.actionRetry?.viewer = viewer
             errorLayout?.actionRetry?.setOnClickListener {
-                TODO()
+                viewer.activity.mGalleryProvider?.request(page.index)
             }
         }
         errorLayout?.root?.isVisible = true

app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/webtoon/WebtoonPageHolder.kt

@@ -232,7 +232,7 @@ class WebtoonPageHolder(
             errorLayout = ReaderErrorBinding.inflate(LayoutInflater.from(context), frame, true)
             errorLayout?.root?.layoutParams = FrameLayout.LayoutParams(MATCH_PARENT, (parentHeight * 0.8).toInt())
             errorLayout?.actionRetry?.setOnClickListener {
-                TODO()
+                viewer.activity.mGalleryProvider?.request(page!!.index)
             }
         }
         return errorLayout!!