优化

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

@@ -1,6 +1,7 @@
 package io.legado.app.ui.font
 
 import android.net.Uri
+import android.os.Build
 import android.os.Bundle
 import android.view.MenuItem
 import android.view.View
@@ -9,6 +10,7 @@ import androidx.documentfile.provider.DocumentFile
 import androidx.recyclerview.widget.LinearLayoutManager
 import io.legado.app.R
 import io.legado.app.base.BaseDialogFragment
+import io.legado.app.constant.AppLog
 import io.legado.app.constant.PreferKey
 import io.legado.app.databinding.DialogFontSelectBinding
 import io.legado.app.help.config.AppConfig
@@ -113,7 +115,9 @@ class FontSelectDialog : BaseDialogFragment(R.layout.dialog_font_select),
         launch(Main) {
             val defaultPath = "SD${File.separator}Fonts"
             selectFontDir.launch {
-                otherActions = arrayListOf(SelectItem(defaultPath, -1))
+                if (Build.VERSION.SDK_INT <= Build.VERSION_CODES.Q) {
+                    otherActions = arrayListOf(SelectItem(defaultPath, -1))
+                }
             }
         }
     }
@@ -141,11 +145,12 @@ class FontSelectDialog : BaseDialogFragment(R.layout.dialog_font_select),
         execute {
             val fontItems = fileDoc.list {
                 it.name.matches(fontRegex)
-            }
+            } ?: ArrayList()
-            mergeFontItems(fontItems!!, getLocalFonts())
+            mergeFontItems(fontItems, getLocalFonts())
         }.onSuccess {
             adapter.setItems(it)
         }.onError {
+            AppLog.put("加载字体文件失败\n${it.localizedMessage}", it)
             toastOnUi("getFontFiles:${it.localizedMessage}")
         }
     }