up

app/src/main/java/io/legado/app/ui/main/bookshelf/BookshelfAdapter.kt

@@ -16,7 +16,7 @@ import kotlinx.android.synthetic.main.item_bookshelf_list.view.*
 import kotlinx.android.synthetic.main.item_relace_rule.view.tv_name
 import java.io.File
 
-class BookshelfAdapter : PagedListAdapter<Book, BookshelfAdapter.MyViewHolder>(DIFF_CALLBACK) {
+class BookshelfAdapter : PagedListAdapter<Book, RecyclerView.ViewHolder>(DIFF_CALLBACK) {
 
     companion object {
         @JvmField
@@ -33,15 +33,42 @@ class BookshelfAdapter : PagedListAdapter<Book, BookshelfAdapter.MyViewHolder>(D
 
     var callBack: CallBack? = null
 
-    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): MyViewHolder {
+    override fun getItemViewType(position: Int): Int {
+        if (position == itemCount - 1) {
+            return 1
+        }
+        return super.getItemViewType(position)
+    }
+
+    override fun getItemCount(): Int {
+        return super.getItemCount() + 1
+    }
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecyclerView.ViewHolder {
+        if (viewType == 1) {
+            return AddViewHolder(LayoutInflater.from(parent.context).inflate(R.layout.item_bookshelf_list_add, parent, false))
+        }
         return MyViewHolder(LayoutInflater.from(parent.context).inflate(R.layout.item_bookshelf_list, parent, false))
     }
 
-    override fun onBindViewHolder(holder: MyViewHolder, position: Int) {
+    override fun onBindViewHolder(holder: RecyclerView.ViewHolder, position: Int) {
+        when (holder) {
+            is MyViewHolder -> {
                 currentList?.get(position)?.let {
                     holder.bind(it, callBack)
                 }
             }
+            is AddViewHolder -> holder.bind(callBack)
+        }
+
+    }
+
+    class AddViewHolder(view: View) : RecyclerView.ViewHolder(view) {
+
+        fun bind(callBack: CallBack?) = with(itemView) {
+            setOnClickListener { callBack?.search() }
+        }
+    }
 
     class MyViewHolder(view: View) : RecyclerView.ViewHolder(view) {
 
@@ -76,5 +103,6 @@ class BookshelfAdapter : PagedListAdapter<Book, BookshelfAdapter.MyViewHolder>(D
 
     interface CallBack {
         fun open(book: Book)
+        fun search()
     }
 }

app/src/main/java/io/legado/app/ui/main/bookshelf/BookshelfFragment.kt

@@ -7,6 +7,7 @@ import androidx.lifecycle.LiveData
 import androidx.lifecycle.Observer
 import androidx.paging.LivePagedListBuilder
 import androidx.paging.PagedList
+import androidx.recyclerview.widget.DividerItemDecoration
 import androidx.recyclerview.widget.LinearLayoutManager
 import io.legado.app.App
 import io.legado.app.R
@@ -42,6 +43,7 @@ class BookshelfFragment : BaseFragment(R.layout.fragment_bookshelf) {
         bookGroupAdapter = BookGroupAdapter()
         rv_book_group.adapter = bookGroupAdapter
         rv_bookshelf.layoutManager = LinearLayoutManager(context)
+        rv_bookshelf.addItemDecoration(DividerItemDecoration(rv_bookshelf.context, LinearLayoutManager.VERTICAL))
         bookshelfAdapter = BookshelfAdapter()
         rv_bookshelf.adapter = bookshelfAdapter
     }

app/src/main/res/layout/item_bookshelf_list_add.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<TextView xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="60dp"
+    android:gravity="center"
+    android:text="@string/add"
+    android:textSize="24sp" />