优化

app/src/main/AndroidManifest.xml

@@ -473,6 +473,15 @@
                 android:name="android.support.FILE_PROVIDER_PATHS"
                 android:resource="@xml/file_paths" />
         </provider>
+        <provider
+            android:name="androidx.startup.InitializationProvider"
+            android:authorities="${applicationId}.androidx-startup"
+            android:exported="false"
+            tools:node="merge">
+            <meta-data
+                android:name="androidx.emoji2.text.EmojiCompatInitializer"
+                tools:node="remove" />
+        </provider>
 
         <meta-data
             android:name="channel"

app/src/main/java/io/legado/app/help/ExecutorService.kt

@@ -0,0 +1,6 @@
+package io.legado.app.help
+
+import java.util.concurrent.ExecutorService
+import java.util.concurrent.Executors
+
+val globalExecutor: ExecutorService by lazy { Executors.newSingleThreadExecutor() }

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

@@ -22,6 +22,7 @@ import io.legado.app.ui.widget.BatteryView
 import io.legado.app.utils.activity
 import io.legado.app.utils.dpToPx
 import io.legado.app.utils.gone
+import io.legado.app.utils.setTextIfNotEqual
 import io.legado.app.utils.statusBarHeight
 import splitties.views.backgroundColor
 import java.util.Date
@@ -306,30 +307,13 @@ class PageView(context: Context) : FrameLayout(context) {
      */
     @SuppressLint("SetTextI18n")
     fun setProgress(textPage: TextPage) = textPage.apply {
-        tvBookName?.apply {
-            if (text != ReadBook.book?.name) {
-                text = ReadBook.book?.name
-            }
-        }
-        tvTitle?.apply {
-            if (text != textPage.title) {
-                text = textPage.title
-            }
-        }
-        tvPage?.text = "${index.plus(1)}/$pageSize"
+        tvBookName?.setTextIfNotEqual(ReadBook.book?.name)
+        tvTitle?.setTextIfNotEqual(textPage.title)
+        tvPage?.setTextIfNotEqual("${index.plus(1)}/$pageSize")
         val readProgress = readProgress
-        tvTotalProgress?.apply {
-            if (text != readProgress) {
-                text = readProgress
-            }
-        }
-        tvTotalProgress1?.apply {
-            val progress = "${chapterIndex.plus(1)}/${chapterSize}"
-            if (text != progress) {
-                text = progress
-            }
-        }
-        tvPageAndTotal?.text = "${index.plus(1)}/$pageSize  $readProgress"
+        tvTotalProgress?.setTextIfNotEqual(readProgress)
+        tvTotalProgress1?.setTextIfNotEqual("${chapterIndex.plus(1)}/${chapterSize}")
+        tvPageAndTotal?.setTextIfNotEqual("${index.plus(1)}/$pageSize  $readProgress")
     }
 
     fun setAutoPager(autoPager: AutoPager?) {

app/src/main/java/io/legado/app/ui/widget/TitleBar.kt

@@ -36,13 +36,17 @@ class TitleBar @JvmOverloads constructor(
     var title: CharSequence?
         get() = toolbar.title
         set(title) {
-            toolbar.title = title
+            if (toolbar.title != title) {
+                toolbar.title = title
+            }
         }
 
     var subtitle: CharSequence?
         get() = toolbar.subtitle
         set(subtitle) {
-            toolbar.subtitle = subtitle
+            if (toolbar.subtitle != subtitle) {
+                toolbar.subtitle = subtitle
+            }
         }
 
     private val displayHomeAsUp: Boolean
@@ -198,7 +202,7 @@ class TitleBar @JvmOverloads constructor(
         toolbar.setSubtitleTextAppearance(context, resId)
     }
 
-    fun setTextColor(@ColorInt color: Int){
+    fun setTextColor(@ColorInt color: Int) {
         setTitleTextColor(color)
         setSubTitleTextColor(color)
     }

app/src/main/java/io/legado/app/ui/widget/dialog/TextDialog.kt

@@ -12,6 +12,7 @@ import io.legado.app.lib.theme.primaryColor
 import io.legado.app.utils.applyTint
 import io.legado.app.utils.setHtml
 import io.legado.app.utils.setLayout
+import io.legado.app.utils.setTextAsync
 import io.legado.app.utils.viewbindingdelegate.viewBinding
 import io.noties.markwon.Markwon
 import io.noties.markwon.ext.tables.TablePlugin
@@ -75,8 +76,9 @@ class TextDialog() : BaseDialogFragment(R.layout.dialog_text_view) {
                         .build()
                         .setMarkdown(binding.textView, content)
                 }
+
                 Mode.HTML.name -> binding.textView.setHtml(content)
-                else -> binding.textView.text = content
+                else -> binding.textView.setTextAsync(content)
             }
             time = it.getLong("time", 0L)
         }

app/src/main/java/io/legado/app/utils/ViewExtensions.kt

@@ -25,13 +25,17 @@ import android.widget.TextView
 import androidx.annotation.ColorInt
 import androidx.appcompat.app.AppCompatActivity
 import androidx.appcompat.view.menu.MenuPopupHelper
+import androidx.appcompat.widget.AppCompatTextView
 import androidx.appcompat.widget.PopupMenu
 import androidx.core.graphics.record
 import androidx.core.graphics.withTranslation
+import androidx.core.text.PrecomputedTextCompat
 import androidx.core.view.get
+import androidx.core.widget.TextViewCompat
 import androidx.recyclerview.widget.RecyclerView
 import androidx.viewpager.widget.ViewPager
 import io.legado.app.help.config.AppConfig
+import io.legado.app.help.globalExecutor
 import io.legado.app.lib.theme.TintHelper
 import splitties.systemservices.inputMethodManager
 import java.lang.reflect.Field
@@ -216,6 +220,23 @@ fun TextView.setHtml(html: String) {
     }
 }
 
+fun AppCompatTextView.setTextAsync(charSequence: CharSequence) {
+    globalExecutor.execute {
+        val precomputedText = PrecomputedTextCompat.create(
+            charSequence, TextViewCompat.getTextMetricsParams(this),
+        )
+        post {
+            setPrecomputedText(precomputedText)
+        }
+    }
+}
+
+fun TextView.setTextIfNotEqual(charSequence: CharSequence?) {
+    if (text != charSequence) {
+        text = charSequence
+    }
+}
+
 @SuppressLint("RestrictedApi")
 fun PopupMenu.show(x: Int, y: Int) {
     kotlin.runCatching {