feat: 优化代码

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

@@ -57,49 +57,6 @@ class ArrangeBookActivity : VMBaseActivity<ArrangeBookViewModel>(R.layout.activi
         return super.onPrepareOptionsMenu(menu)
     }
 
-    override fun onCompatOptionsItemSelected(item: MenuItem): Boolean {
-        when (item.itemId) {
-            R.id.menu_group_manage -> GroupManageDialog()
-                .show(supportFragmentManager, "groupManage")
-            R.id.menu_all -> {
-                title_bar.subtitle = item.title
-                groupId = -1
-                adapter.selectedBooks.clear()
-                initBookData()
-            }
-            R.id.menu_local -> {
-                title_bar.subtitle = item.title
-                groupId = -2
-                adapter.selectedBooks.clear()
-                initBookData()
-            }
-            R.id.menu_audio -> {
-                title_bar.subtitle = item.title
-                groupId = -3
-                adapter.selectedBooks.clear()
-                initBookData()
-            }
-            else -> if (item.groupId == R.id.menu_group) {
-                title_bar.subtitle = item.title
-                groupId = item.itemId
-                adapter.selectedBooks.clear()
-                initBookData()
-            }
-        }
-        return super.onCompatOptionsItemSelected(item)
-    }
-
-    override fun onMenuItemClick(item: MenuItem?): Boolean {
-        when (item?.itemId) {
-            R.id.menu_del_selection ->
-                alert(titleResource = R.string.sure, messageResource = R.string.sure_del) {
-                    okButton { viewModel.deleteBook(*adapter.selectedBooks.toTypedArray()) }
-                    noButton { }
-                }.show().applyTint()
-        }
-        return false
-    }
-
     private fun initView() {
         ATH.applyEdgeEffectColor(recycler_view)
         recycler_view.layoutManager = LinearLayoutManager(this)
@@ -107,7 +64,7 @@ class ArrangeBookActivity : VMBaseActivity<ArrangeBookViewModel>(R.layout.activi
         adapter = ArrangeBookAdapter(this, this)
         recycler_view.adapter = adapter
         select_action_bar.setMainActionText(R.string.move_to_group)
-        select_action_bar.inflateMenu(R.menu.arrange_book)
+        select_action_bar.inflateMenu(R.menu.arrange_book_sel)
         select_action_bar.setOnMenuItemClickListener(this)
         select_action_bar.setCallBack(object : SelectActionBar.CallBack {
             override fun selectAll(selectAll: Boolean) {
@@ -149,6 +106,49 @@ class ArrangeBookActivity : VMBaseActivity<ArrangeBookViewModel>(R.layout.activi
         })
     }
 
+    override fun onCompatOptionsItemSelected(item: MenuItem): Boolean {
+        when (item.itemId) {
+            R.id.menu_group_manage -> GroupManageDialog()
+                .show(supportFragmentManager, "groupManage")
+            R.id.menu_all -> {
+                title_bar.subtitle = item.title
+                groupId = -1
+                adapter.selectedBooks.clear()
+                initBookData()
+            }
+            R.id.menu_local -> {
+                title_bar.subtitle = item.title
+                groupId = -2
+                adapter.selectedBooks.clear()
+                initBookData()
+            }
+            R.id.menu_audio -> {
+                title_bar.subtitle = item.title
+                groupId = -3
+                adapter.selectedBooks.clear()
+                initBookData()
+            }
+            else -> if (item.groupId == R.id.menu_group) {
+                title_bar.subtitle = item.title
+                groupId = item.itemId
+                adapter.selectedBooks.clear()
+                initBookData()
+            }
+        }
+        return super.onCompatOptionsItemSelected(item)
+    }
+
+    override fun onMenuItemClick(item: MenuItem?): Boolean {
+        when (item?.itemId) {
+            R.id.menu_del_selection ->
+                alert(titleResource = R.string.sure, messageResource = R.string.sure_del) {
+                    okButton { viewModel.deleteBook(*adapter.selectedBooks.toTypedArray()) }
+                    noButton { }
+                }.show().applyTint()
+        }
+        return false
+    }
+
     private fun upMenu() {
         menu?.findItem(R.id.menu_book_group)?.subMenu?.let { subMenu ->
             subMenu.removeGroup(R.id.menu_group)

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

@@ -21,13 +21,11 @@ class ArrangeBookAdapter(context: Context, val callBack: CallBack) :
             getItems().forEach {
                 selectedBooks.add(it)
             }
-            notifyDataSetChanged()
-            callBack.upSelectCount()
         } else {
             selectedBooks.clear()
-            notifyDataSetChanged()
-            callBack.upSelectCount()
         }
+        notifyDataSetChanged()
+        callBack.upSelectCount()
     }
 
     fun revertSelection() {
@@ -38,6 +36,7 @@ class ArrangeBookAdapter(context: Context, val callBack: CallBack) :
                 selectedBooks.add(it)
             }
         }
+        notifyDataSetChanged()
         callBack.upSelectCount()
     }
 

app/src/main/java/io/legado/app/ui/importbook/ImportBookAdapter.kt

@@ -46,13 +46,11 @@ class ImportBookAdapter(context: Context, val callBack: CallBack) :
                     selectedUris.add(it.uri.toString())
                 }
             }
-            notifyDataSetChanged()
-            callBack.upCountView()
         } else {
             selectedUris.clear()
-            notifyDataSetChanged()
-            callBack.upCountView()
         }
+        notifyDataSetChanged()
+        callBack.upCountView()
     }
 
     fun revertSelection() {