feat: 优化代码

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

@@ -13,8 +13,10 @@ import io.legado.app.model.WebBook
 import io.legado.app.service.BaseReadAloudService
 import io.legado.app.ui.book.read.page.ChapterProvider
 import io.legado.app.ui.book.read.page.entities.TextChapter
-import kotlinx.coroutines.*
-import kotlinx.coroutines.Dispatchers.Main
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.launch
 
 
 object ReadBook {
@@ -264,18 +266,18 @@ object ReadBook {
                     book!!.useReplaceRule
                 )
                 when (chapter.index) {
-                    durChapterIndex -> withContext(Main) {
+                    durChapterIndex -> {
                         curTextChapter = ChapterProvider.getTextChapter(chapter, c, chapterSize)
                         callBack?.upContent()
                         callBack?.upView()
                         curPageChanged()
                         callBack?.contentLoadFinish()
                     }
-                    durChapterIndex - 1 -> withContext(Main) {
+                    durChapterIndex - 1 -> {
                         prevTextChapter = ChapterProvider.getTextChapter(chapter, c, chapterSize)
                         callBack?.upContent(-1)
                     }
-                    durChapterIndex + 1 -> withContext(Main) {
+                    durChapterIndex + 1 -> {
                         nextTextChapter = ChapterProvider.getTextChapter(chapter, c, chapterSize)
                         callBack?.upContent(1)
                     }

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

@@ -345,22 +345,26 @@ class ReadBookActivity : VMBaseActivity<ReadBookViewModel>(R.layout.activity_boo
     }
 
     override fun upView() {
-        ReadBook.curTextChapter?.let {
-            tv_chapter_name.text = it.title
-            tv_chapter_name.visible()
-            if (!ReadBook.isLocalBook) {
-                tv_chapter_url.text = it.url
-                tv_chapter_url.visible()
+        launch {
+            ReadBook.curTextChapter?.let {
+                tv_chapter_name.text = it.title
+                tv_chapter_name.visible()
+                if (!ReadBook.isLocalBook) {
+                    tv_chapter_url.text = it.url
+                    tv_chapter_url.visible()
+                }
+                seek_read_page.max = it.pageSize().minus(1)
+                seek_read_page.progress = ReadBook.durPageIndex
+                tv_pre.isEnabled = ReadBook.durChapterIndex != 0
+                tv_next.isEnabled = ReadBook.durChapterIndex != ReadBook.chapterSize - 1
             }
-            seek_read_page.max = it.pageSize().minus(1)
-            seek_read_page.progress = ReadBook.durPageIndex
-            tv_pre.isEnabled = ReadBook.durChapterIndex != 0
-            tv_next.isEnabled = ReadBook.durChapterIndex != ReadBook.chapterSize - 1
         }
     }
 
     override fun upPageProgress() {
-        seek_read_page.progress = ReadBook.durPageIndex
+        launch {
+            seek_read_page.progress = ReadBook.durPageIndex
+        }
     }
 
     override fun showMenuBar() {

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

@@ -91,7 +91,7 @@ class ReadStyleDialog : DialogFragment(), FontSelectDialog.CallBack {
             postEvent(EventBus.UP_CONFIG, true)
         }
         tv_text_bold.onClick {
-            with(ReadBookConfig.durConfig) {
+            ReadBookConfig.durConfig.apply {
                 textBold = !textBold
                 tv_text_bold.isSelected = textBold
             }

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

@@ -1,9 +1,13 @@
 package io.legado.app.ui.book.read.page
 
 import android.graphics.Point
+import android.graphics.Typeface
 import android.text.Layout
 import android.text.StaticLayout
 import android.text.TextPaint
+import android.text.TextUtils
+import io.legado.app.App
+import io.legado.app.constant.PreferKey
 import io.legado.app.data.entities.BookChapter
 import io.legado.app.help.BookHelp
 import io.legado.app.help.ReadBookConfig
@@ -12,6 +16,8 @@ import io.legado.app.ui.book.read.page.entities.TextChar
 import io.legado.app.ui.book.read.page.entities.TextLine
 import io.legado.app.ui.book.read.page.entities.TextPage
 import io.legado.app.utils.dp
+import io.legado.app.utils.getPrefString
+import io.legado.app.utils.removePref
 
 
 object ChapterProvider {
@@ -31,10 +37,29 @@ object ChapterProvider {
     }
 
     fun upStyle(config: ReadBookConfig.Config) {
+        val typeface: Typeface = try {
+            val fontPath = App.INSTANCE.getPrefString(PreferKey.readBookFont)
+            if (!TextUtils.isEmpty(fontPath)) {
+                Typeface.createFromFile(fontPath)
+            } else {
+                Typeface.SANS_SERIF
+            }
+        } catch (e: Exception) {
+            App.INSTANCE.removePref(PreferKey.readBookFont)
+            Typeface.SANS_SERIF
+        }
+        //标题
+        titlePaint.isAntiAlias = true
         titlePaint.color = config.textColor()
         titlePaint.letterSpacing = config.letterSpacing
+        titlePaint.typeface = Typeface.create(typeface, Typeface.BOLD)
+        //正文
+        contentPaint.isAntiAlias = true
         contentPaint.color = config.textColor()
         contentPaint.letterSpacing = config.letterSpacing
+        val bold = if (config.textBold) Typeface.BOLD else Typeface.NORMAL
+        contentPaint.typeface = Typeface.create(typeface, bold)
+        //间距
         lineSpacingExtra = config.lineSpacingExtra
         paragraphSpacing = config.paragraphSpacing
         titlePaint.textSize = (config.textSize + 2).dp.toFloat()