优化

app/src/main/java/io/legado/app/lib/permission/PermissionActivity.kt

@@ -2,7 +2,6 @@ package io.legado.app.lib.permission
 
 import android.content.Intent
 import android.net.Uri
-import android.os.Build
 import android.os.Bundle
 import android.provider.Settings
 import android.view.KeyEvent
@@ -46,7 +45,7 @@ class PermissionActivity : AppCompatActivity() {
             }
             //所有文件的管理权限
             Request.TYPE_MANAGE_ALL_FILES_ACCESS_PERMISSION -> try {
-                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
+                if (Permissions.isManageExternalStorage()) {
                     val settingIntent = Intent(Settings.ACTION_MANAGE_ALL_FILES_ACCESS_PERMISSION)
                     settingActivityResult.launch(settingIntent)
                 } else {

app/src/main/java/io/legado/app/lib/permission/Permissions.kt

@@ -42,7 +42,7 @@ object Permissions {
     const val ACCESS_MEDIA_LOCATION = "android.permission.ACCESS_MEDIA_LOCATION"
 
     object Group {
-        val STORAGE = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
+        val STORAGE = if (isManageExternalStorage()) {
             arrayOf(MANAGE_EXTERNAL_STORAGE)
         } else {
             arrayOf(READ_EXTERNAL_STORAGE, WRITE_EXTERNAL_STORAGE)
@@ -78,4 +78,8 @@ object Permissions {
             RECEIVE_MMS
         )
     }
+
+    fun isManageExternalStorage(): Boolean {
+        return Build.VERSION.SDK_INT >= Build.VERSION_CODES.R
+    }
 }

app/src/main/java/io/legado/app/lib/permission/Request.kt

@@ -119,7 +119,7 @@ internal class Request : OnRequestPermissionsResultCallback {
             val deniedPermissionList = ArrayList<String>()
             for (permission in permissions) {
                 if (permission == Permissions.MANAGE_EXTERNAL_STORAGE) {
-                    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
+                    if (Permissions.isManageExternalStorage()) {
                         if (!Environment.isExternalStorageManager()) {
                             deniedPermissionList.add(permission)
                         }

app/src/main/java/io/legado/app/ui/document/HandleFileActivity.kt

@@ -2,7 +2,6 @@ package io.legado.app.ui.document
 
 import android.content.Intent
 import android.net.Uri
-import android.os.Build
 import android.os.Bundle
 import android.webkit.MimeTypeMap
 import androidx.activity.result.contract.ActivityResultContracts
@@ -162,8 +161,7 @@ class HandleFileActivity :
 
     private fun getDirActions(onlySys: Boolean = false): ArrayList<SelectItem<Int>> {
         return if (
-            onlySys ||
-            (Build.VERSION.SDK_INT > Build.VERSION_CODES.Q && AppConfig.isGooglePlay)
+            onlySys || (Permissions.isManageExternalStorage() && AppConfig.isGooglePlay)
         ) {
             arrayListOf(SelectItem(getString(R.string.sys_folder_picker), HandleFileContract.DIR))
         } else {
@@ -175,7 +173,7 @@ class HandleFileActivity :
     }
 
     private fun getFileActions(): ArrayList<SelectItem<Int>> {
-        return if (Build.VERSION.SDK_INT > Build.VERSION_CODES.Q && AppConfig.isGooglePlay) {
+        return if (Permissions.isManageExternalStorage() && AppConfig.isGooglePlay) {
             arrayListOf(SelectItem(getString(R.string.sys_file_picker), HandleFileContract.FILE))
         } else {
             arrayListOf(

app/src/main/java/io/legado/app/ui/font/FontAdapter.kt

@@ -8,7 +8,6 @@ import io.legado.app.base.adapter.ItemViewHolder
 import io.legado.app.base.adapter.RecyclerAdapter
 import io.legado.app.databinding.ItemFontBinding
 import io.legado.app.utils.*
-
 import java.io.File
 import java.net.URLDecoder
 
@@ -34,9 +33,8 @@ class FontAdapter(context: Context, curFilePath: String, val callBack: CallBack)
                 val typeface: Typeface? = if (item.isContentScheme) {
                     if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
                         context.contentResolver
-                            .openFileDescriptor(item.uri, "r")
-                            ?.fileDescriptor?.let {
-                                Typeface.Builder(it).build()
+                            .openFileDescriptor(item.uri, "r")?.use {
+                                Typeface.Builder(it.fileDescriptor).build()
                             }
                     } else {
                         Typeface.createFromFile(RealPathUtil.getPath(context, item.uri))