up

app/src/main/java/io/legado/app/data/entities/BookSource.kt

@@ -118,6 +118,7 @@ data class BookSource(
     }
 
     fun getExploreKinds(): ArrayList<ExploreKind>? {
+        val exploreKinds = arrayListOf<ExploreKind>()
         exploreUrl?.let {
             var a = it
             if (a.isNotBlank()) {
@@ -131,24 +132,22 @@ data class BookSource(
                             bindings
                         ).toString()
                     }
-                    val exploreKinds = arrayListOf<ExploreKind>()
                     val b = a.split("(&&|\n)+".toRegex())
                     b.map { c ->
                         val d = c.split("::")
                         if (d.size > 1)
                             exploreKinds.add(ExploreKind(d[0], d[1]))
                     }
-                    return exploreKinds
                 } catch (e: Exception) {
-                    e.printStackTrace()
+                    exploreKinds.add(ExploreKind(e.localizedMessage))
                 }
             }
         }
-        return null
+        return exploreKinds
     }
 
     data class ExploreKind(
         var title: String,
-        var url: String
+        var url: String? = null
     )
 }

app/src/main/java/io/legado/app/ui/main/explore/FindBookAdapter.kt

@@ -56,21 +56,23 @@ class FindBookAdapter(context: Context, private val scope: CoroutineScope, val c
                 rotate_loading.show()
                 Coroutine.async(scope) {
                     item.getExploreKinds()
-                }.onSuccess {
+                }.onSuccess { kindList ->
-                    it?.let {
+                    if (!kindList.isNullOrEmpty()) {
                         gl_child.visible()
                         gl_child.removeAllViews()
-                        it.map { kind ->
+                        kindList.map { kind ->
                             val tv = LayoutInflater.from(context)
                                 .inflate(R.layout.item_text, gl_child, false)
                             tv.text_view.text = kind.title
                             tv.text_view.onClick {
+                                kind.url?.let { kindUrl ->
                                     callBack.openExplore(
                                         item.bookSourceUrl,
                                         kind.title,
-                                    kind.url
+                                        kindUrl
                                     )
                                 }
+                            }
                             gl_child.addView(tv)
                         }
                     }