优化

app/src/main/java/io/legado/app/ui/book/changecover/ChangeCoverDialog.kt

@@ -6,6 +6,7 @@ import android.view.View
 import android.view.ViewGroup
 import androidx.appcompat.widget.Toolbar
 import androidx.fragment.app.viewModels
+import androidx.lifecycle.whenStarted
 import androidx.recyclerview.widget.GridLayoutManager
 import io.legado.app.R
 import io.legado.app.base.BaseDialogFragment
@@ -14,6 +15,7 @@ import io.legado.app.lib.theme.primaryColor
 import io.legado.app.utils.applyTint
 import io.legado.app.utils.setLayout
 import io.legado.app.utils.viewbindingdelegate.viewBinding
+import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.flow.conflate
 import kotlinx.coroutines.launch
@@ -66,10 +68,12 @@ class ChangeCoverDialog() : BaseDialogFragment(R.layout.dialog_change_cover),
     }
 
     private fun initData() {
-        launch {
+        launch(Dispatchers.Default) {
-            viewModel.dataFlow.conflate().collect {
+            whenStarted {
-                adapter.setItems(it)
+                viewModel.dataFlow.conflate().collect {
-                delay(1000)
+                    adapter.setItems(it)
+                    delay(1000)
+                }
             }
         }
     }

app/src/main/java/io/legado/app/ui/book/changesource/ChangeBookSourceDialog.kt

@@ -9,6 +9,7 @@ import androidx.appcompat.widget.SearchView
 import androidx.appcompat.widget.Toolbar
 import androidx.core.os.bundleOf
 import androidx.fragment.app.viewModels
+import androidx.lifecycle.whenStarted
 import androidx.recyclerview.widget.LinearLayoutManager
 import androidx.recyclerview.widget.RecyclerView
 import io.legado.app.R
@@ -28,6 +29,7 @@ import io.legado.app.ui.book.source.manage.BookSourceActivity
 import io.legado.app.ui.widget.recycler.VerticalDivider
 import io.legado.app.utils.*
 import io.legado.app.utils.viewbindingdelegate.viewBinding
+import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.flow.conflate
 import kotlinx.coroutines.launch
@@ -144,10 +146,12 @@ class ChangeBookSourceDialog() : BaseDialogFragment(R.layout.dialog_book_change_
             }
             binding.toolBar.menu.applyTint(requireContext())
         }
-        launch {
+        launch(Dispatchers.Default) {
-            viewModel.searchDataFlow.conflate().collect {
+            whenStarted {
-                adapter.setItems(it)
+                viewModel.searchDataFlow.conflate().collect {
-                delay(1000)
+                    adapter.setItems(it)
+                    delay(1000)
+                }
             }
         }
         launch {

app/src/main/java/io/legado/app/ui/book/changesource/ChangeChapterSourceDialog.kt

@@ -9,6 +9,7 @@ import androidx.appcompat.widget.Toolbar
 import androidx.core.os.bundleOf
 import androidx.core.view.isVisible
 import androidx.fragment.app.viewModels
+import androidx.lifecycle.whenStarted
 import androidx.recyclerview.widget.RecyclerView
 import io.legado.app.R
 import io.legado.app.base.BaseDialogFragment
@@ -30,6 +31,7 @@ import io.legado.app.ui.book.source.manage.BookSourceActivity
 import io.legado.app.ui.widget.recycler.VerticalDivider
 import io.legado.app.utils.*
 import io.legado.app.utils.viewbindingdelegate.viewBinding
+import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.flow.conflate
 import kotlinx.coroutines.launch
@@ -176,10 +178,12 @@ class ChangeChapterSourceDialog() : BaseDialogFragment(R.layout.dialog_chapter_c
             }
             binding.toolBar.menu.applyTint(requireContext())
         }
-        launch {
+        launch(Dispatchers.Default) {
-            viewModel.searchDataFlow.conflate().collect {
+            whenStarted {
-                searchBookAdapter.setItems(it)
+                viewModel.searchDataFlow.conflate().collect {
-                delay(1000)
+                    searchBookAdapter.setItems(it)
+                    delay(1000)
+                }
             }
         }
         launch {

app/src/main/java/io/legado/app/ui/book/search/SearchActivity.kt

@@ -29,6 +29,7 @@ import io.legado.app.ui.book.source.manage.BookSourceActivity
 import io.legado.app.ui.widget.recycler.LoadMoreView
 import io.legado.app.utils.*
 import io.legado.app.utils.viewbindingdelegate.viewBinding
+import kotlinx.coroutines.Dispatchers.Default
 import kotlinx.coroutines.Dispatchers.IO
 import kotlinx.coroutines.Job
 import kotlinx.coroutines.delay
@@ -198,7 +199,7 @@ class SearchActivity : VMBaseActivity<ActivityBookSearchBinding, SearchViewModel
     }
 
     private fun initData() {
-        lifecycleScope.launch {
+        lifecycleScope.launch(Default) {
             whenStarted {
                 viewModel.searchDataFlow.conflate().collect {
                     adapter.setItems(it)