优化

app/src/main/java/io/legado/app/service/help/ReadBook.kt

@@ -183,9 +183,11 @@ object ReadBook {
         }
     }
 
-    fun skipToPage(index: Int) {
+    fun skipToPage(index: Int, success: (() -> Unit)? = null) {
         durChapterPos = curTextChapter?.getReadLength(index) ?: index
-        callBack?.upContent()
+        callBack?.upContent() {
+            success?.invoke()
+        }
         curPageChanged()
         saveRead()
     }
@@ -478,10 +480,19 @@ object ReadBook {
 
     interface CallBack {
         fun loadChapterList(book: Book)
-        fun upContent(relativePosition: Int = 0, resetPageOffset: Boolean = true)
+
+        fun upContent(
+            relativePosition: Int = 0,
+            resetPageOffset: Boolean = true,
+            success: (() -> Unit)? = null
+        )
+
         fun upView()
+
         fun pageChanged()
+
         fun contentLoadFinish()
+
         fun upPageAnim()
     }
 

app/src/main/java/io/legado/app/ui/book/read/ReadBookActivity.kt

@@ -51,10 +51,8 @@ import io.legado.app.ui.widget.dialog.TextDialog
 import io.legado.app.utils.*
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers.IO
-import kotlinx.coroutines.Dispatchers.Main
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.launch
-import kotlinx.coroutines.withContext
 import org.jetbrains.anko.startActivity
 import org.jetbrains.anko.startActivityForResult
 import org.jetbrains.anko.toast
@@ -531,13 +529,18 @@ class ReadBookActivity : ReadBookBaseActivity(),
     /**
      * 更新内容
      */
-    override fun upContent(relativePosition: Int, resetPageOffset: Boolean) {
-        autoPageProgress = 0
+    override fun upContent(
+        relativePosition: Int,
+        resetPageOffset: Boolean,
+        success: (() -> Unit)?
+    ) {
         launch {
+            autoPageProgress = 0
             binding.readView.upContent(relativePosition, resetPageOffset)
             binding.readMenu.setSeekPage(ReadBook.durPageIndex())
-        }
             loadStates = false
+            success?.invoke()
+        }
     }
 
     /**
@@ -807,18 +810,14 @@ class ReadBookActivity : ReadBookBaseActivity(),
 
     private fun skipToSearch(index: Int, indexWithinChapter: Int) {
         viewModel.openChapter(index) {
-            launch(IO) {
-                val pages = ReadBook.curTextChapter?.pages ?: return@launch
+            val pages = ReadBook.curTextChapter?.pages ?: return@openChapter
             val positions = ReadBook.searchResultPositions(
                 pages,
                 indexWithinChapter,
                 viewModel.searchContentQuery
             )
-                while (ReadBook.durPageIndex() != positions[0]) {
-                    delay(100L)
-                    ReadBook.skipToPage(positions[0])
-                }
-                withContext(Main) {
+            ReadBook.skipToPage(positions[0]) {
+                launch {
                     binding.readView.curPage.selectStartMoveIndex(0, positions[1], positions[2])
                     delay(20L)
                     when (positions[3]) {