feat: 优化代码

app/src/main/java/io/legado/app/ui/book/info/BookInfoActivity.kt

@@ -5,7 +5,6 @@ import android.app.Activity
 import android.content.Intent
 import android.graphics.drawable.Drawable
 import android.os.Bundle
-import android.view.LayoutInflater
 import android.view.Menu
 import android.view.MenuItem
 import android.widget.CheckBox
@@ -33,6 +32,7 @@ import io.legado.app.ui.book.info.edit.BookInfoEditActivity
 import io.legado.app.ui.book.read.ReadBookActivity
 import io.legado.app.ui.book.search.SearchActivity
 import io.legado.app.ui.book.source.edit.BookSourceEditActivity
+import io.legado.app.utils.dp
 import io.legado.app.utils.getViewModel
 import io.legado.app.utils.gone
 import io.legado.app.utils.visible
@@ -244,9 +244,10 @@ class BookInfoActivity :
                     val checkBox = CheckBox(this@BookInfoActivity).apply {
                         setText(R.string.delete_book_file)
                     }
-                    val view = LayoutInflater.from(this@BookInfoActivity)
-                        .inflate(R.layout.dialog_linear_layout, null)
-                    (view as LinearLayout).addView(checkBox)
+                    val view = LinearLayout(this@BookInfoActivity).apply {
+                        setPadding(16.dp, 0, 16.dp, 0)
+                        addView(checkBox)
+                    }
                     customView = view
                     positiveButton(R.string.yes) {
                         viewModel.delBook(checkBox.isChecked) {

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

@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="wrap_content"
-    android:layout_height="wrap_content"
-    android:paddingLeft="16dp"
-    android:paddingRight="16dp">
-
-</LinearLayout>