优化

app/src/main/java/io/legado/app/ui/book/remote/RemoteBookActivity.kt

@@ -70,6 +70,23 @@ class RemoteBookActivity : VMBaseActivity<ActivityRemoteBookBinding, RemoteBookV
         return super.onCompatOptionsItemSelected(item)
     }
 
+    override fun finish() {
+        if (viewModel.dirList.isEmpty()) {
+            super.finish()
+        } else {
+            viewModel.dirList.removeLastOrNull()
+            val remoteBook = viewModel.dirList.lastOrNull()
+            viewModel.dataCallback?.clear()
+            if (remoteBook != null) {
+                binding.titleBar.title = remoteBook.filename
+                viewModel.loadRemoteBookList(remoteBook.path)
+            } else {
+                binding.titleBar.setTitle(R.string.remote_book)
+                viewModel.loadRemoteBookList(RemoteBookWebDav.rootBookUrl)
+            }
+        }
+    }
+
     override fun openDir(remoteBook: RemoteBook) {
         viewModel.dirList.add(remoteBook)
         binding.titleBar.title = remoteBook.filename

app/src/main/java/io/legado/app/ui/book/remote/RemoteBookAdapter.kt

@@ -14,8 +14,8 @@ import io.legado.app.utils.ConvertUtils
  * 适配器
  * @author qianfanguojin
  */
-class RemoteBookAdapter (context: Context, val callBack: CallBack) :
-    RecyclerAdapter<RemoteBook, ItemRemoteBookBinding>(context){
+class RemoteBookAdapter(context: Context, val callBack: CallBack) :
+    RecyclerAdapter<RemoteBook, ItemRemoteBookBinding>(context) {
 
     override fun getViewBinding(parent: ViewGroup): ItemRemoteBookBinding {
         return ItemRemoteBookBinding.inflate(inflater, parent, false)
@@ -47,17 +47,18 @@ class RemoteBookAdapter (context: Context, val callBack: CallBack) :
     }
 
     override fun registerListener(holder: ItemViewHolder, binding: ItemRemoteBookBinding) {
-
-        binding.btnDownload.setOnClickListener {
-                getItem(holder.layoutPosition)?.let {
-                    if (it.isDir) {
-                        callBack.openDir(it)
-                    } else {
-                        callBack.addToBookshelf(it)
-                    }
+        binding.root.setOnClickListener {
+            getItem(holder.layoutPosition)?.let {
+                if (it.isDir) {
+                    callBack.openDir(it)
                 }
+            }
+        }
+        binding.btnDownload.setOnClickListener {
+            getItem(holder.layoutPosition)?.let {
+                callBack.addToBookshelf(it)
+            }
         }
-
     }
 
     interface CallBack {