up

app/src/main/java/io/legado/app/ui/bookinfo/BookInfoActivity.kt

@@ -9,6 +9,7 @@ import androidx.recyclerview.widget.DividerItemDecoration
 import androidx.recyclerview.widget.LinearLayoutManager
 import io.legado.app.R
 import io.legado.app.base.VMBaseActivity
+import io.legado.app.constant.Bus
 import io.legado.app.data.entities.Book
 import io.legado.app.data.entities.BookChapter
 import io.legado.app.help.ImageLoader
@@ -19,6 +20,7 @@ import io.legado.app.ui.readbook.ReadBookActivity
 import io.legado.app.ui.sourceedit.SourceEditActivity
 import io.legado.app.utils.getViewModel
 import io.legado.app.utils.gone
+import io.legado.app.utils.postEvent
 import io.legado.app.utils.visible
 import kotlinx.android.synthetic.main.activity_book_info.*
 import kotlinx.android.synthetic.main.view_title_bar.*
@@ -127,6 +129,7 @@ class BookInfoActivity : VMBaseActivity<BookInfoViewModel>(R.layout.activity_boo
         }
         adapter.clearItems()
         adapter.addItems(chapterList)
+        rv_chapter_list.scrollToPosition(viewModel.durChapterIndex)
     }
 
     private fun upLoading(isLoading: Boolean) {
@@ -206,7 +209,11 @@ class BookInfoActivity : VMBaseActivity<BookInfoViewModel>(R.layout.activity_boo
         viewModel.changeTo(book)
     }
 
-    override fun skipToChapter(index: Int) {
+    override fun openChapter(chapter: BookChapter) {
+        postEvent(Bus.OPEN_CHAPTER, chapter)
+    }
 
+    override fun durChapterIndex(): Int {
+        return viewModel.durChapterIndex
     }
 }

app/src/main/java/io/legado/app/ui/bookinfo/BookInfoViewModel.kt

@@ -16,6 +16,7 @@ class BookInfoViewModel(application: Application) : BaseViewModel(application) {
     val bookData = MutableLiveData<Book>()
     val chapterListData = MutableLiveData<List<BookChapter>>()
     val isLoadingData = MutableLiveData<Boolean>()
+    var durChapterIndex = 0
     var inBookshelf = false
 
     fun loadBook(intent: Intent) {
@@ -23,6 +24,7 @@ class BookInfoViewModel(application: Application) : BaseViewModel(application) {
             intent.getStringExtra("bookUrl")?.let {
                 App.db.bookDao().getBook(it)?.let { book ->
                     inBookshelf = true
+                    durChapterIndex = book.durChapterIndex
                     bookData.postValue(book)
                     val chapterList = App.db.bookChapterDao().getChapterList(it)
                     if (chapterList.isNotEmpty()) {
@@ -34,6 +36,7 @@ class BookInfoViewModel(application: Application) : BaseViewModel(application) {
                 }
             } ?: intent.getStringExtra("searchBookUrl")?.let {
                 App.db.searchBookDao().getSearchBook(it)?.toBook()?.let { book ->
+                    durChapterIndex = book.durChapterIndex
                     bookData.postValue(book)
                     if (book.tocUrl.isEmpty()) {
                         loadBookInfo(book)

app/src/main/java/io/legado/app/ui/bookinfo/ChapterListAdapter.kt

@@ -5,8 +5,10 @@ import io.legado.app.R
 import io.legado.app.base.adapter.ItemViewHolder
 import io.legado.app.base.adapter.SimpleRecyclerAdapter
 import io.legado.app.data.entities.BookChapter
+import io.legado.app.lib.theme.accentColor
 import kotlinx.android.synthetic.main.item_chapter_list.view.*
 import org.jetbrains.anko.sdk27.listeners.onClick
+import org.jetbrains.anko.textColorResource
 
 class ChapterListAdapter(context: Context, var callBack: CallBack) :
     SimpleRecyclerAdapter<BookChapter>(context, R.layout.item_chapter_list) {
@@ -14,13 +16,19 @@ class ChapterListAdapter(context: Context, var callBack: CallBack) :
     override fun convert(holder: ItemViewHolder, item: BookChapter, payloads: MutableList<Any>) {
         holder.itemView.apply {
             tv_chapter_name.text = item.title
+            if (item.index == callBack.durChapterIndex()) {
+                tv_chapter_name.setTextColor(context.accentColor)
+            } else {
+                tv_chapter_name.textColorResource = R.color.tv_text_default
+            }
             this.onClick {
-                callBack.skipToChapter(item.index)
+                callBack.openChapter(item)
             }
         }
     }
 
     interface CallBack {
-        fun skipToChapter(index: Int)
+        fun openChapter(chapter: BookChapter)
+        fun durChapterIndex(): Int
     }
 }