优化

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

@@ -2,22 +2,41 @@ package io.legado.app.ui.book.arrange
 
 import android.os.Bundle
 import androidx.lifecycle.LiveData
+import androidx.lifecycle.Observer
+import androidx.recyclerview.widget.LinearLayoutManager
+import io.legado.app.App
 import io.legado.app.R
 import io.legado.app.base.VMBaseActivity
 import io.legado.app.data.entities.Book
+import io.legado.app.lib.theme.ATH
 import io.legado.app.utils.getViewModel
+import kotlinx.android.synthetic.main.activity_arrange_book.*
 
 
 class ArrangeBookActivity : VMBaseActivity<ArrangeBookViewModel>(R.layout.activity_arrange_book) {
     override val viewModel: ArrangeBookViewModel
         get() = getViewModel(ArrangeBookViewModel::class.java)
-
+    private lateinit var adapter: ArrangeBookAdapter
-    private var booksLiveData: LiveData<Book>? = null
+    private var booksLiveData: LiveData<List<Book>>? = null
 
     override fun onActivityCreated(savedInstanceState: Bundle?) {
+        initView()
+        initData()
+    }
 
-
+    private fun initView() {
+        ATH.applyEdgeEffectColor(recycler_view)
+        recycler_view.layoutManager = LinearLayoutManager(this)
+        adapter = ArrangeBookAdapter(this)
+        recycler_view.adapter = adapter
     }
 
+    private fun initData() {
+        booksLiveData?.removeObservers(this)
+        booksLiveData = App.db.bookDao().observeAll()
+        booksLiveData?.observe(this, Observer {
+
+        })
+    }
 
 }

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

@@ -21,6 +21,7 @@ import io.legado.app.lib.dialogs.*
 import io.legado.app.lib.theme.ATH
 import io.legado.app.lib.theme.accentColor
 import io.legado.app.lib.theme.view.ATEAutoCompleteTextView
+import io.legado.app.ui.book.arrange.ArrangeBookActivity
 import io.legado.app.ui.book.search.SearchActivity
 import io.legado.app.ui.download.DownloadActivity
 import io.legado.app.ui.importbook.ImportBookActivity
@@ -64,8 +65,7 @@ class BookshelfFragment : VMBaseFragment<BookshelfViewModel>(R.layout.fragment_b
                 .show(childFragmentManager, "groupManageDialog")
             R.id.menu_add_local -> startActivity<ImportBookActivity>()
             R.id.menu_add_url -> addBookByUrl()
-            R.id.menu_arrange_bookshelf -> {
+            R.id.menu_arrange_bookshelf -> startActivity<ArrangeBookActivity>()
-            }
             R.id.menu_download -> startActivity<DownloadActivity>()
         }
     }

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

@@ -1,7 +1,25 @@
 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout 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">
 
+    <io.legado.app.ui.widget.TitleBar
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        app:title="@string/arrange_bookshelf" />
+
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/recycler_view"
+        android:layout_width="match_parent"
+        android:layout_height="0dp"
+        android:layout_weight="1" />
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content">
+
+
+    </LinearLayout>
 </LinearLayout>