fix(reader): gifs not animating (#1105)

* fix: gifs not animating

* add missing proguard coil3 rules

* add comment

app/proguard-rules.pro

@@ -146,6 +146,12 @@
 -keepclassmembers class net.zetetic.database.sqlcipher.SQLiteDebug$* { *; }
 # SY <--
 
+# KMK -->
+# Coil3
+-keep class * extends coil3.util.DecoderServiceLoaderTarget { *; }
+-keep class * extends coil3.util.FetcherServiceLoaderTarget { *; }
+# KMK <--
+
 # Design library
 -dontwarn com.google.android.material.**
 -keep class com.google.android.material.** { *; }

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

@@ -24,6 +24,7 @@ import coil3.dispose
 import coil3.imageLoader
 import coil3.request.CachePolicy
 import coil3.request.ImageRequest
+import coil3.request.allowHardware
 import coil3.request.crossfade
 import coil3.size.Precision
 import coil3.size.ViewSizeResolver
@@ -432,6 +433,9 @@ open class ReaderPageImageView @JvmOverloads constructor(
                 },
             )
             .crossfade(false)
+            // KMK -->
+            .allowHardware(false) // Disable hardware bitmaps for GIFs
+            // KMK <--
             .build()
         context.imageLoader.enqueue(request)
     }