优化

app/src/main/java/io/legado/app/ui/book/arrange/ArrangeBookActivity.kt

@@ -49,7 +49,7 @@ class ArrangeBookActivity : VMBaseActivity<ArrangeBookViewModel>(R.layout.activi
         booksLiveData?.removeObservers(this)
         booksLiveData = App.db.bookDao().observeAll()
         booksLiveData?.observe(this, Observer {
-
+            adapter.setItems(it)
         })
     }
 

app/src/main/java/io/legado/app/ui/book/arrange/ArrangeBookAdapter.kt

@@ -5,6 +5,7 @@ import io.legado.app.R
 import io.legado.app.base.adapter.ItemViewHolder
 import io.legado.app.base.adapter.SimpleRecyclerAdapter
 import io.legado.app.data.entities.Book
+import kotlinx.android.synthetic.main.item_arrange_book.view.*
 
 
 class ArrangeBookAdapter(context: Context) :
@@ -12,7 +13,10 @@ class ArrangeBookAdapter(context: Context) :
 
 
     override fun convert(holder: ItemViewHolder, item: Book, payloads: MutableList<Any>) {
-
+        with(holder.itemView) {
+            tv_name.text = item.name
+            tv_author.text = item.author
+        }
     }
 
 }

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

@@ -1,7 +1,59 @@
 <?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
     android:orientation="vertical"
     android:layout_width="match_parent"
-    android:layout_height="match_parent">
+    android:layout_height="wrap_content">
 
-</LinearLayout>
+    <io.legado.app.lib.theme.view.ATECheckBox
+        android:id="@+id/checkbox"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_margin="10dp"
+        android:gravity="center"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <TextView
+        android:id="@+id/tv_name"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:padding="3dp"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintBottom_toTopOf="@id/tv_author"
+        app:layout_constraintLeft_toRightOf="@id/checkbox"
+        app:layout_constraintRight_toLeftOf="@+id/tv_group" />
+
+    <TextView
+        android:id="@+id/tv_author"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:padding="3dp"
+        app:layout_constraintLeft_toRightOf="@+id/checkbox"
+        app:layout_constraintTop_toBottomOf="@id/tv_name"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintRight_toLeftOf="@+id/tv_group" />
+
+    <TextView
+        android:id="@+id/tv_group"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:padding="10dp"
+        android:text="@string/group"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintRight_toLeftOf="@+id/tv_delete" />
+
+    <TextView
+        android:id="@+id/tv_delete"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:padding="10dp"
+        android:text="@string/delete"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintRight_toRightOf="parent" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>