Fix Android compatibility

src/main/kotlin/org/koitharu/kotatsu/parsers/site/ComickFunParser.kt

@@ -171,7 +171,8 @@ internal class ComickFunParser(context: MangaLoaderContext) : MangaParser(contex
 		val dc = list.groupBy { jo -> jo.getStringOrNull("vol") to jo.getStringOrNull("chap") }
 		val branches = list.associateGrouping { jo ->
 			jo.getString("lang") to jo.optJSONArray("group_name")
-				?.joinToString { it.toString() }
+				?.asIterable<String>()
+				?.joinToString()
 				?.takeUnless { it.isBlank() }
 		}
 		val chaptersBuilder = ChaptersListBuilder(list.size)
@@ -182,7 +183,8 @@ internal class ComickFunParser(context: MangaLoaderContext) : MangaParser(contex
 			for (jo in value) {
 				val lang = jo.getString("lang")
 				val locale = Locale.forLanguageTag(lang)
-				val team = jo.optJSONArray("group_name")?.joinToString { it.toString() }?.takeUnless { it.isBlank() }
+				val team =
+					jo.optJSONArray("group_name")?.asIterable<String>()?.joinToString()?.takeUnless { it.isBlank() }
 				var branch = locale.getDisplayName(locale).toTitleCase(locale)
 				if (branches[lang].orEmpty().size > 1 && team != null) {
 					branch += " ($team)"

src/main/kotlin/org/koitharu/kotatsu/parsers/util/json/JSONTypedIterator.kt

@@ -0,0 +1,18 @@
+package org.koitharu.kotatsu.parsers.util.json
+
+import org.json.JSONArray
+
+class JSONTypedIterator<T>(
+	private val array: JSONArray,
+	private val cls: Class<T>,
+) : Iterator<T> {
+
+	private val total = array.length()
+	private var index = 0
+
+	override fun hasNext() = index < total
+
+	override fun next(): T {
+		return cls.cast(array.get(index++))
+	}
+}

src/main/kotlin/org/koitharu/kotatsu/parsers/util/json/JsonExt.kt

@@ -141,3 +141,7 @@ fun JSONArray?.isNullOrEmpty(): Boolean {
 fun JSONArray.toJSONList(): List<JSONObject> {
 	return List(length()) { i -> getJSONObject(i) }
 }
+
+inline fun <reified T> JSONArray.asIterable(): Iterable<T> = Iterable {
+	JSONTypedIterator(this, T::class.java)
+}