优化

app/src/main/java/io/legado/app/model/remote/RemoteBook.kt

@@ -1,6 +1,6 @@
 package io.legado.app.model.remote
 
-import com.android.tools.r8.Keep
+import androidx.annotation.Keep
 import io.legado.app.lib.webdav.WebDavFile
 import io.legado.app.model.localBook.LocalBook
 

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

@@ -1,6 +1,7 @@
 package io.legado.app.ui.book.read.page.entities
 
-import com.android.tools.r8.Keep
+
+import androidx.annotation.Keep
 import kotlin.math.min
 
 /**

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

@@ -1,7 +1,7 @@
 package io.legado.app.ui.book.read.page.entities
 
 import android.text.TextPaint
-import com.android.tools.r8.Keep
+import androidx.annotation.Keep
 import io.legado.app.ui.book.read.page.entities.column.BaseColumn
 import io.legado.app.ui.book.read.page.provider.ChapterProvider
 import io.legado.app.utils.textHeight

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

@@ -2,7 +2,7 @@ package io.legado.app.ui.book.read.page.entities
 
 import android.text.Layout
 import android.text.StaticLayout
-import com.android.tools.r8.Keep
+import androidx.annotation.Keep
 import io.legado.app.R
 import io.legado.app.help.config.ReadBookConfig
 import io.legado.app.model.ReadBook

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

@@ -1,6 +1,6 @@
 package io.legado.app.ui.book.read.page.entities
 
-import com.android.tools.r8.Keep
+import androidx.annotation.Keep
 
 /**
  * 位置信息

app/src/main/java/io/legado/app/ui/book/read/page/entities/column/ButtonColumn.kt

@@ -1,6 +1,6 @@
 package io.legado.app.ui.book.read.page.entities.column
 
-import com.android.tools.r8.Keep
+import androidx.annotation.Keep
 
 
 /**

app/src/main/java/io/legado/app/ui/book/read/page/entities/column/ImageColumn.kt

@@ -1,6 +1,6 @@
 package io.legado.app.ui.book.read.page.entities.column
 
-import com.android.tools.r8.Keep
+import androidx.annotation.Keep
 
 /**
  * 图片列

app/src/main/java/io/legado/app/ui/book/read/page/entities/column/ReviewColumn.kt

@@ -3,7 +3,7 @@ package io.legado.app.ui.book.read.page.entities.column
 import android.graphics.Canvas
 import android.graphics.Paint
 import android.graphics.Path
-import com.android.tools.r8.Keep
+import androidx.annotation.Keep
 import io.legado.app.ui.book.read.page.provider.ChapterProvider
 
 /**

app/src/main/java/io/legado/app/ui/book/read/page/entities/column/TextColumn.kt

@@ -1,6 +1,6 @@
 package io.legado.app.ui.book.read.page.entities.column
 
-import com.android.tools.r8.Keep
+import androidx.annotation.Keep
 
 /**
  * 文字列