up

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

@@ -64,6 +64,7 @@ class ReadBookActivity : VMBaseActivity<ReadBookViewModel>(R.layout.activity_boo
     override val viewModel: ReadBookViewModel
         get() = getViewModel(ReadBookViewModel::class.java)
 
+    private val requestCodeChapterList = 568
     private val requestCodeEditSource = 111
     private var timeElectricityReceiver: TimeElectricityReceiver? = null
     override var readAloudStatus = Status.STOP
@@ -436,7 +437,10 @@ class ReadBookActivity : VMBaseActivity<ReadBookViewModel>(R.layout.activity_boo
 
     override fun openChapterList() {
         viewModel.bookData.value?.let {
-            startActivity<ChapterListActivity>(Pair("bookUrl", it.bookUrl))
+            startActivityForResult<ChapterListActivity>(
+                requestCodeChapterList,
+                Pair("bookUrl", it.bookUrl)
+            )
         }
     }
 
@@ -510,6 +514,10 @@ class ReadBookActivity : VMBaseActivity<ReadBookViewModel>(R.layout.activity_boo
         if (resultCode == Activity.RESULT_OK) {
             when (requestCode) {
                 requestCodeEditSource -> viewModel.upBookSource()
+                requestCodeChapterList ->
+                    data?.getIntExtra("index", viewModel.durChapterIndex)?.let {
+                        viewModel.openChapter(it)
+                    }
             }
         }
     }
@@ -552,7 +560,7 @@ class ReadBookActivity : VMBaseActivity<ReadBookViewModel>(R.layout.activity_boo
         observeEvent<String>(Bus.TIME_CHANGED) { page_view.upTime() }
         observeEvent<Int>(Bus.BATTERY_CHANGED) { page_view.upBattery(it) }
         observeEvent<BookChapter>(Bus.OPEN_CHAPTER) {
-            viewModel.openChapter(it)
+            viewModel.openChapter(it.index)
             page_view.upContent()
         }
         observeEvent<Boolean>(Bus.READ_ALOUD_BUTTON) {

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

@@ -279,12 +279,12 @@ class ReadBookViewModel(application: Application) : BaseViewModel(application) {
         }
     }
 
-    fun openChapter(chapter: BookChapter) {
+    fun openChapter(index: Int) {
         prevTextChapter = null
         curTextChapter = null
         nextTextChapter = null
-        if (chapter.index != durChapterIndex) {
+        if (index != durChapterIndex) {
-            durChapterIndex = chapter.index
+            durChapterIndex = index
             durPageIndex = 0
         }
         saveRead()

app/src/main/java/io/legado/app/ui/chapterlist/ChapterListFragment.kt

@@ -1,5 +1,7 @@
 package io.legado.app.ui.chapterlist
 
+import android.app.Activity.RESULT_OK
+import android.content.Intent
 import android.os.Bundle
 import android.view.View
 import android.widget.LinearLayout
@@ -9,11 +11,9 @@ import androidx.recyclerview.widget.LinearLayoutManager
 import io.legado.app.App
 import io.legado.app.R
 import io.legado.app.base.VMBaseFragment
-import io.legado.app.constant.Bus
 import io.legado.app.data.entities.Book
 import io.legado.app.data.entities.BookChapter
 import io.legado.app.utils.getViewModelOfActivity
-import io.legado.app.utils.postEvent
 import kotlinx.android.synthetic.main.fragment_chapter_list.*
 import org.jetbrains.anko.sdk27.listeners.onClick
 
@@ -83,7 +83,7 @@ class ChapterListFragment : VMBaseFragment<ChapterListViewModel>(R.layout.fragme
     }
 
     override fun openChapter(bookChapter: BookChapter) {
-        postEvent(Bus.OPEN_CHAPTER, bookChapter)
+        activity?.setResult(RESULT_OK, Intent().putExtra("index", bookChapter.index))
         activity?.finish()
     }