up

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

@@ -106,7 +106,7 @@ object ReadBookConfig {
         var bgType: Int = 0,
         var darkStatusIcon: Boolean = true,
         var letterSpacing: Float = 1f,
-        var lineSpacingExtra: Float = 15f,
+        var lineSpacingExtra: Int = 12,
         var lineSpacingMultiplier: Float = 1.2f,
         var paddingBottom: Int = 0,
         var paddingLeft: Int = 16,

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

@@ -74,7 +74,7 @@ class ReadStyleDialog : DialogFragment() {
             tv_text_size.text = it.textSize.toString()
             seek_text_letter_spacing.progress = (it.letterSpacing * 10).toInt() + 5
             tv_text_letter_spacing.text = it.letterSpacing.toString()
-            seek_line_size.progress = it.lineSpacingExtra.toInt()
+            seek_line_size.progress = it.lineSpacingExtra
             tv_line_size.text = it.lineSpacingExtra.toString()
         }
         setBg()
@@ -138,7 +138,7 @@ class ReadStyleDialog : DialogFragment() {
         seek_line_size.setOnSeekBarChangeListener(object :
             SeekBar.OnSeekBarChangeListener {
             override fun onProgressChanged(seekBar: SeekBar?, progress: Int, fromUser: Boolean) {
-                lineSpacingExtra = seek_line_size.progress.toFloat()
+                lineSpacingExtra = seek_line_size.progress
                 tv_line_size.text = lineSpacingExtra.toString()
             }
 

app/src/main/java/io/legado/app/ui/widget/page/ContentView.kt

@@ -52,7 +52,7 @@ class ContentView : FrameLayout {
             }
             page_panel.setPadding(paddingLeft.dp, pt, paddingRight.dp, paddingBottom.dp)
             content_text_view.textSize = textSize.toFloat()
-            content_text_view.setLineSpacing(lineSpacingExtra, lineSpacingMultiplier)
+            content_text_view.setLineSpacing(lineSpacingExtra.toFloat(), lineSpacingMultiplier)
             content_text_view.letterSpacing = letterSpacing
             content_text_view.paint.isFakeBoldText = textBold
             textColor().let {

app/src/main/res/layout/dialog_read_book_style.xml

@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
     android:orientation="vertical"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
@@ -110,7 +111,9 @@
         <TextView
             android:id="@+id/tv_text_size"
             android:layout_width="40dp"
-            android:layout_height="wrap_content" />
+            android:layout_height="wrap_content"
+            android:gravity="right"
+            tools:ignore="RtlHardcoded" />
     </LinearLayout>
 
     <LinearLayout
@@ -155,7 +158,9 @@
         <TextView
             android:id="@+id/tv_text_letter_spacing"
             android:layout_width="40dp"
-            android:layout_height="wrap_content" />
+            android:layout_height="wrap_content"
+            android:gravity="right"
+            tools:ignore="RtlHardcoded" />
 
     </LinearLayout>
 
@@ -201,7 +206,9 @@
         <TextView
             android:id="@+id/tv_line_size"
             android:layout_width="40dp"
-            android:layout_height="wrap_content" />
+            android:layout_height="wrap_content"
+            android:gravity="right"
+            tools:ignore="RtlHardcoded" />
     </LinearLayout>
 
     <View