优化

app/src/main/java/io/legado/app/help/storage/ImportOldData.kt

@@ -7,76 +7,80 @@ import io.legado.app.App
 import io.legado.app.data.entities.BookSource
 import io.legado.app.utils.DocumentUtils
 import io.legado.app.utils.FileUtils
+import io.legado.app.utils.isContentPath
 import org.jetbrains.anko.toast
 import java.io.File
 
 object ImportOldData {
 
-    fun import(context: Context, file: File) {
-        try {// 导入书架
-            val shelfFile =
-                FileUtils.createFileIfNotExist(file, "myBookShelf.json")
-            val json = shelfFile.readText()
-            val importCount = importOldBookshelf(json)
-            context.toast("成功导入书籍${importCount}")
-        } catch (e: Exception) {
-            context.toast("导入书籍失败\n${e.localizedMessage}")
-        }
-
-        try {// Book source
-            val sourceFile =
-                FileUtils.getFile(file, "myBookSource.json")
-            val json = sourceFile.readText()
-            val importCount = importOldSource(json)
-            context.toast("成功导入书源${importCount}")
-        } catch (e: Exception) {
-            context.toast("导入源失败\n${e.localizedMessage}")
-        }
-
-        try {// Replace rules
-            val ruleFile = FileUtils.getFile(file, "myBookReplaceRule.json")
-            if (ruleFile.exists()) {
-                val json = ruleFile.readText()
-                val importCount = importOldReplaceRule(json)
-                context.toast("成功导入替换规则${importCount}")
-            } else {
-                context.toast("未找到替换规则")
-            }
-        } catch (e: Exception) {
-            context.toast("导入替换规则失败\n${e.localizedMessage}")
-        }
-    }
-
-    fun importUri(uri: Uri) {
-        DocumentFile.fromTreeUri(App.INSTANCE, uri)?.listFiles()?.forEach {
-            when (it.name) {
-                "myBookShelf.json" ->
-                    try {
-                        DocumentUtils.readText(App.INSTANCE, it.uri)?.let { json ->
-                            val importCount = importOldBookshelf(json)
-                            App.INSTANCE.toast("成功导入书籍${importCount}")
+    fun importUri(context: Context, uri: Uri) {
+        if (uri.isContentPath()) {
+            DocumentFile.fromTreeUri(context, uri)?.listFiles()?.forEach {
+                when (it.name) {
+                    "myBookShelf.json" ->
+                        try {
+                            DocumentUtils.readText(context, it.uri)?.let { json ->
+                                val importCount = importOldBookshelf(json)
+                                context.toast("成功导入书籍${importCount}")
+                            }
+                        } catch (e: java.lang.Exception) {
+                            context.toast("导入书籍失败\n${e.localizedMessage}")
                         }
-                    } catch (e: java.lang.Exception) {
-                        App.INSTANCE.toast("导入书籍失败\n${e.localizedMessage}")
-                    }
-                "myBookSource.json" ->
-                    try {
-                        DocumentUtils.readText(App.INSTANCE, it.uri)?.let { json ->
-                            val importCount = importOldSource(json)
-                            App.INSTANCE.toast("成功导入书源${importCount}")
+                    "myBookSource.json" ->
+                        try {
+                            DocumentUtils.readText(context, it.uri)?.let { json ->
+                                val importCount = importOldSource(json)
+                                context.toast("成功导入书源${importCount}")
+                            }
+                        } catch (e: Exception) {
+                            context.toast("导入源失败\n${e.localizedMessage}")
                         }
-                    } catch (e: Exception) {
-                        App.INSTANCE.toast("导入源失败\n${e.localizedMessage}")
-                    }
-                "myBookReplaceRule.json" ->
-                    try {
-                        DocumentUtils.readText(App.INSTANCE, it.uri)?.let { json ->
-                            val importCount = importOldReplaceRule(json)
-                            App.INSTANCE.toast("成功导入替换规则${importCount}")
+                    "myBookReplaceRule.json" ->
+                        try {
+                            DocumentUtils.readText(context, it.uri)?.let { json ->
+                                val importCount = importOldReplaceRule(json)
+                                context.toast("成功导入替换规则${importCount}")
+                            }
+                        } catch (e: Exception) {
+                            context.toast("导入替换规则失败\n${e.localizedMessage}")
                         }
-                    } catch (e: Exception) {
-                        App.INSTANCE.toast("导入替换规则失败\n${e.localizedMessage}")
+                }
+            }
+        } else {
+            uri.path?.let {
+                val file = File(it)
+                try {// 导入书架
+                    val shelfFile =
+                        FileUtils.createFileIfNotExist(file, "myBookShelf.json")
+                    val json = shelfFile.readText()
+                    val importCount = importOldBookshelf(json)
+                    context.toast("成功导入书籍${importCount}")
+                } catch (e: Exception) {
+                    context.toast("导入书籍失败\n${e.localizedMessage}")
+                }
+
+                try {// Book source
+                    val sourceFile =
+                        FileUtils.getFile(file, "myBookSource.json")
+                    val json = sourceFile.readText()
+                    val importCount = importOldSource(json)
+                    context.toast("成功导入书源${importCount}")
+                } catch (e: Exception) {
+                    context.toast("导入源失败\n${e.localizedMessage}")
+                }
+
+                try {// Replace rules
+                    val ruleFile = FileUtils.getFile(file, "myBookReplaceRule.json")
+                    if (ruleFile.exists()) {
+                        val json = ruleFile.readText()
+                        val importCount = importOldReplaceRule(json)
+                        context.toast("成功导入替换规则${importCount}")
+                    } else {
+                        context.toast("未找到替换规则")
                     }
+                } catch (e: Exception) {
+                    context.toast("导入替换规则失败\n${e.localizedMessage}")
+                }
             }
         }
     }

app/src/main/java/io/legado/app/ui/book/cache/CacheActivity.kt

@@ -202,26 +202,24 @@ class CacheActivity : VMBaseActivity<CacheViewModel>(R.layout.activity_download)
         }
     }
 
-    override fun onFilePicked(requestCode: Int, currentPath: String) {
-        when (requestCode) {
-            exportRequestCode -> {
-                ACache.get(this@CacheActivity).put(exportBookPathKey, currentPath)
-                startExport(currentPath)
-            }
-        }
-    }
-
     override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
         super.onActivityResult(requestCode, resultCode, data)
         when (requestCode) {
             exportRequestCode -> if (resultCode == Activity.RESULT_OK) {
                 data?.data?.let { uri ->
-                    contentResolver.takePersistableUriPermission(
-                        uri,
-                        Intent.FLAG_GRANT_READ_URI_PERMISSION or Intent.FLAG_GRANT_WRITE_URI_PERMISSION
-                    )
-                    ACache.get(this@CacheActivity).put(exportBookPathKey, uri.toString())
-                    startExport(uri.toString())
+                    if (uri.isContentPath()) {
+                        contentResolver.takePersistableUriPermission(
+                            uri,
+                            Intent.FLAG_GRANT_READ_URI_PERMISSION or Intent.FLAG_GRANT_WRITE_URI_PERMISSION
+                        )
+                        ACache.get(this@CacheActivity).put(exportBookPathKey, uri.toString())
+                        startExport(uri.toString())
+                    } else {
+                        uri.path?.let { path ->
+                            ACache.get(this@CacheActivity).put(exportBookPathKey, path)
+                            startExport(path)
+                        }
+                    }
                 }
             }
 

app/src/main/java/io/legado/app/ui/book/local/ImportBookActivity.kt

@@ -62,6 +62,24 @@ class ImportBookActivity : VMBaseActivity<ImportBookViewModel>(R.layout.activity
         return super.onCompatCreateOptionsMenu(menu)
     }
 
+    override fun onCompatOptionsItemSelected(item: MenuItem): Boolean {
+        when (item.itemId) {
+            R.id.menu_select_folder -> FilePicker.selectFolder(this, requestCodeSelectFolder)
+            R.id.menu_scan_folder -> scanFolder()
+        }
+        return super.onCompatOptionsItemSelected(item)
+    }
+
+    override fun onMenuItemClick(item: MenuItem?): Boolean {
+        when (item?.itemId) {
+            R.id.menu_del_selection ->
+                viewModel.deleteDoc(adapter.selectedUris) {
+                    upPath()
+                }
+        }
+        return false
+    }
+
     private fun initView() {
         lay_top.setBackgroundColor(backgroundColor)
         recycler_view.layoutManager = LinearLayoutManager(this)
@@ -94,23 +112,6 @@ class ImportBookActivity : VMBaseActivity<ImportBookViewModel>(R.layout.activity
         }
     }
 
-    override fun onCompatOptionsItemSelected(item: MenuItem): Boolean {
-        when (item.itemId) {
-            R.id.menu_select_folder -> FilePicker.selectFolder(this, requestCodeSelectFolder)
-        }
-        return super.onCompatOptionsItemSelected(item)
-    }
-
-    override fun onMenuItemClick(item: MenuItem?): Boolean {
-        when (item?.itemId) {
-            R.id.menu_del_selection ->
-                viewModel.deleteDoc(adapter.selectedUris) {
-                    upPath()
-                }
-        }
-        return false
-    }
-
     private fun initData() {
         localUriLiveData?.removeObservers(this)
         localUriLiveData = App.db.bookDao().observeLocalUri()
@@ -229,12 +230,12 @@ class ImportBookActivity : VMBaseActivity<ImportBookViewModel>(R.layout.activity
         adapter.setData(docList)
     }
 
-    override fun onFilePicked(requestCode: Int, currentPath: String) {
-        when (requestCode) {
-            requestCodeSelectFolder -> {
-                AppConfig.importBookPath = currentPath
-                initRootDoc()
-            }
+    /**
+     * 扫描当前文件夹
+     */
+    private fun scanFolder() {
+        rootDoc?.let {
+
         }
     }
 
@@ -243,12 +244,19 @@ class ImportBookActivity : VMBaseActivity<ImportBookViewModel>(R.layout.activity
         when (requestCode) {
             requestCodeSelectFolder -> if (resultCode == Activity.RESULT_OK) {
                 data?.data?.let { uri ->
-                    contentResolver.takePersistableUriPermission(
-                        uri,
-                        Intent.FLAG_GRANT_READ_URI_PERMISSION or Intent.FLAG_GRANT_WRITE_URI_PERMISSION
-                    )
-                    AppConfig.importBookPath = uri.toString()
-                    initRootDoc()
+                    if (uri.isContentPath()) {
+                        contentResolver.takePersistableUriPermission(
+                            uri,
+                            Intent.FLAG_GRANT_READ_URI_PERMISSION or Intent.FLAG_GRANT_WRITE_URI_PERMISSION
+                        )
+                        AppConfig.importBookPath = uri.toString()
+                        initRootDoc()
+                    } else {
+                        uri.path?.let { path ->
+                            AppConfig.importBookPath = path
+                            initRootDoc()
+                        }
+                    }
                 }
             }
         }

app/src/main/java/io/legado/app/ui/book/read/config/BgTextConfigDialog.kt

@@ -369,13 +369,6 @@ class BgTextConfigDialog : BaseDialogFragment(), FilePickerDialog.CallBack {
         }
     }
 
-    override fun onFilePicked(requestCode: Int, currentPath: String) {
-        when (requestCode) {
-            requestCodeImport -> importConfig(Uri.fromFile(File(currentPath)))
-            requestCodeExport -> exportConfig(Uri.fromFile(File(currentPath)))
-        }
-    }
-
     override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
         super.onActivityResult(requestCode, resultCode, data)
         when (requestCode) {

app/src/main/java/io/legado/app/ui/book/source/manage/BookSourceActivity.kt

@@ -457,18 +457,6 @@ class BookSourceActivity : VMBaseActivity<BookSourceViewModel>(R.layout.activity
         viewModel.bottomSource(bookSource)
     }
 
-    override fun onFilePicked(requestCode: Int, currentPath: String) {
-        when (requestCode) {
-            exportRequestCode -> viewModel.exportSelection(
-                adapter.getSelection(),
-                File(currentPath)
-            )
-            importRequestCode -> {
-                startActivity<ImportBookSourceActivity>(Pair("filePath", currentPath))
-            }
-        }
-    }
-
     override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
         super.onActivityResult(requestCode, resultCode, data)
         when (requestCode) {

app/src/main/java/io/legado/app/ui/config/BackupConfigFragment.kt

@@ -133,10 +133,6 @@ class BackupConfigFragment : BasePreferenceFragment(),
             }
     }
 
-    override fun onFilePicked(requestCode: Int, currentPath: String) {
-        BackupRestoreUi.onFilePicked(requestCode, currentPath)
-    }
-
     override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
         super.onActivityResult(requestCode, resultCode, data)
         BackupRestoreUi.onActivityResult(requestCode, resultCode, data)

app/src/main/java/io/legado/app/ui/config/BackupRestoreUi.kt

@@ -23,7 +23,6 @@ import io.legado.app.utils.longToast
 import io.legado.app.utils.toast
 import kotlinx.coroutines.Dispatchers.Main
 import org.jetbrains.anko.toast
-import java.io.File
 
 object BackupRestoreUi {
     private const val selectFolderRequestCode = 21
@@ -122,74 +121,73 @@ object BackupRestoreUi {
         FilePicker.selectFolder(fragment, oldDataRequestCode)
     }
 
-    fun onFilePicked(requestCode: Int, currentPath: String) {
-        when (requestCode) {
-            backupSelectRequestCode -> {
-                AppConfig.backupPath = currentPath
-                Coroutine.async {
-                    Backup.backup(App.INSTANCE, currentPath)
-                }.onSuccess {
-                    App.INSTANCE.toast(R.string.backup_success)
-                }
-            }
-            restoreSelectRequestCode -> {
-                AppConfig.backupPath = currentPath
-                Coroutine.async {
-                    Restore.restore(App.INSTANCE, currentPath)
-                }
-            }
-            selectFolderRequestCode -> {
-                AppConfig.backupPath = currentPath
-            }
-            oldDataRequestCode -> {
-                ImportOldData.import(App.INSTANCE, File(currentPath))
-            }
-        }
-    }
-
     fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
         when (requestCode) {
             backupSelectRequestCode -> if (resultCode == RESULT_OK) {
                 data?.data?.let { uri ->
-                    App.INSTANCE.contentResolver.takePersistableUriPermission(
-                        uri,
-                        Intent.FLAG_GRANT_READ_URI_PERMISSION
-                                or Intent.FLAG_GRANT_WRITE_URI_PERMISSION
-                    )
-                    AppConfig.backupPath = uri.toString()
-                    Coroutine.async {
-                        Backup.backup(App.INSTANCE, uri.toString())
-                    }.onSuccess {
-                        App.INSTANCE.toast(R.string.backup_success)
+                    if (uri.isContentPath()) {
+                        App.INSTANCE.contentResolver.takePersistableUriPermission(
+                            uri,
+                            Intent.FLAG_GRANT_READ_URI_PERMISSION
+                                    or Intent.FLAG_GRANT_WRITE_URI_PERMISSION
+                        )
+                        AppConfig.backupPath = uri.toString()
+                        Coroutine.async {
+                            Backup.backup(App.INSTANCE, uri.toString())
+                        }.onSuccess {
+                            App.INSTANCE.toast(R.string.backup_success)
+                        }
+                    } else {
+                        uri.path?.let { path ->
+                            AppConfig.backupPath = path
+                            Coroutine.async {
+                                Backup.backup(App.INSTANCE, path)
+                            }.onSuccess {
+                                App.INSTANCE.toast(R.string.backup_success)
+                            }
+                        }
                     }
                 }
             }
             restoreSelectRequestCode -> if (resultCode == RESULT_OK) {
                 data?.data?.let { uri ->
-                    App.INSTANCE.contentResolver.takePersistableUriPermission(
-                        uri,
-                        Intent.FLAG_GRANT_READ_URI_PERMISSION
-                                or Intent.FLAG_GRANT_WRITE_URI_PERMISSION
-                    )
-                    AppConfig.backupPath = uri.toString()
-                    Coroutine.async {
-                        Restore.restore(App.INSTANCE, uri.toString())
+                    if (uri.isContentPath()) {
+                        App.INSTANCE.contentResolver.takePersistableUriPermission(
+                            uri,
+                            Intent.FLAG_GRANT_READ_URI_PERMISSION
+                                    or Intent.FLAG_GRANT_WRITE_URI_PERMISSION
+                        )
+                        AppConfig.backupPath = uri.toString()
+                        Coroutine.async {
+                            Restore.restore(App.INSTANCE, uri.toString())
+                        }
+                    } else {
+                        uri.path?.let { path ->
+                            AppConfig.backupPath = path
+                            Coroutine.async {
+                                Restore.restore(App.INSTANCE, path)
+                            }
+                        }
                     }
                 }
             }
             selectFolderRequestCode -> if (resultCode == RESULT_OK) {
                 data?.data?.let { uri ->
-                    App.INSTANCE.contentResolver.takePersistableUriPermission(
-                        uri,
-                        Intent.FLAG_GRANT_READ_URI_PERMISSION
-                                or Intent.FLAG_GRANT_WRITE_URI_PERMISSION
-                    )
-                    AppConfig.backupPath = uri.toString()
+                    if (uri.isContentPath()) {
+                        App.INSTANCE.contentResolver.takePersistableUriPermission(
+                            uri,
+                            Intent.FLAG_GRANT_READ_URI_PERMISSION
+                                    or Intent.FLAG_GRANT_WRITE_URI_PERMISSION
+                        )
+                        AppConfig.backupPath = uri.toString()
+                    } else {
+                        AppConfig.backupPath = uri.path
+                    }
                 }
             }
             oldDataRequestCode -> if (resultCode == RESULT_OK) {
                 data?.data?.let { uri ->
-                    ImportOldData.importUri(uri)
+                    ImportOldData.importUri(App.INSTANCE, uri)
                 }
             }
         }

app/src/main/java/io/legado/app/ui/filepicker/FilePickerDialog.kt

@@ -1,5 +1,8 @@
 package io.legado.app.ui.filepicker
 
+import android.app.Activity
+import android.content.Intent
+import android.net.Uri
 import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.MenuItem
@@ -17,6 +20,7 @@ import io.legado.app.ui.filepicker.adapter.PathAdapter
 import io.legado.app.ui.widget.recycler.VerticalDivider
 import io.legado.app.utils.*
 import kotlinx.android.synthetic.main.dialog_file_chooser.*
+import java.io.File
 
 
 class FilePickerDialog : DialogFragment(),
@@ -145,8 +149,11 @@ class FilePickerDialog : DialogFragment(),
     override fun onMenuItemClick(item: MenuItem?): Boolean {
         when (item?.itemId) {
             R.id.menu_ok -> fileAdapter.currentPath?.let {
-                (parentFragment as? CallBack)?.onFilePicked(requestCode, it)
-                (activity as? CallBack)?.onFilePicked(requestCode, it)
+                val data = Intent().setData(Uri.fromFile(File(it)))
+                (parentFragment as? CallBack)
+                    ?.onActivityResult(requestCode, Activity.RESULT_OK, data)
+                (activity as? CallBack)
+                    ?.onActivityResult(requestCode, Activity.RESULT_OK, data)
                 dismiss()
             }
             else -> item?.title?.let {
@@ -169,8 +176,11 @@ class FilePickerDialog : DialogFragment(),
                 } else if (allowExtensions == null ||
                     allowExtensions?.contains(FileUtils.getExtension(path)) == true
                 ) {
-                    (parentFragment as? CallBack)?.onFilePicked(requestCode, path)
-                    (activity as? CallBack)?.onFilePicked(requestCode, path)
+                    val data = Intent().setData(Uri.fromFile(File(path)))
+                    (parentFragment as? CallBack)
+                        ?.onActivityResult(requestCode, Activity.RESULT_OK, data)
+                    (activity as? CallBack)
+                        ?.onActivityResult(requestCode, Activity.RESULT_OK, data)
                     dismiss()
                 } else {
                     toast("不能打开此文件")
@@ -206,7 +216,7 @@ class FilePickerDialog : DialogFragment(),
     }
 
     interface CallBack {
-        fun onFilePicked(requestCode: Int, currentPath: String)
+        fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?)
         fun onMenuClick(menu: String) {}
     }
 }

app/src/main/java/io/legado/app/ui/main/my/MyFragment.kt

@@ -56,10 +56,6 @@ class MyFragment : BaseFragment(R.layout.fragment_my_config), FilePickerDialog.C
         }
     }
 
-    override fun onFilePicked(requestCode: Int, currentPath: String) {
-        BackupRestoreUi.onFilePicked(requestCode, currentPath)
-    }
-
     override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
         super.onActivityResult(requestCode, resultCode, data)
         BackupRestoreUi.onActivityResult(requestCode, resultCode, data)

app/src/main/java/io/legado/app/ui/replace/ReplaceRuleActivity.kt

@@ -244,18 +244,6 @@ class ReplaceRuleActivity :
         return false
     }
 
-    override fun onFilePicked(requestCode: Int, currentPath: String) {
-        when (requestCode) {
-            importRequestCode -> {
-                startActivity<ImportReplaceRuleActivity>("filePath" to currentPath)
-            }
-            exportRequestCode -> viewModel.exportSelection(
-                adapter.getSelection(),
-                File(currentPath)
-            )
-        }
-    }
-
     override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
         super.onActivityResult(requestCode, resultCode, data)
         when (requestCode) {

app/src/main/java/io/legado/app/ui/rss/read/ReadRssActivity.kt

@@ -294,20 +294,12 @@ class ReadRssActivity : VMBaseActivity<ReadRssViewModel>(R.layout.activity_rss_r
         }
     }
 
-    override fun onFilePicked(requestCode: Int, currentPath: String) {
-        when (requestCode) {
-            savePathRequestCode -> {
-                ACache.get(this).put(imagePathKey, currentPath)
-                viewModel.saveImage(webPic, currentPath)
-            }
-        }
-    }
-
     override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
         super.onActivityResult(requestCode, resultCode, data)
         when (requestCode) {
             savePathRequestCode -> data?.data?.let {
-                onFilePicked(requestCode, it.toString())
+                ACache.get(this).put(imagePathKey, it.toString())
+                viewModel.saveImage(webPic, it.toString())
             }
         }
     }

app/src/main/java/io/legado/app/ui/rss/source/manage/RssSourceActivity.kt

@@ -245,18 +245,6 @@ class RssSourceActivity : VMBaseActivity<RssSourceViewModel>(R.layout.activity_r
         }.show().applyTint()
     }
 
-    override fun onFilePicked(requestCode: Int, currentPath: String) {
-        when (requestCode) {
-            importRequestCode -> {
-                startActivity<ImportRssSourceActivity>("filePath" to currentPath)
-            }
-            exportRequestCode -> viewModel.exportSelection(
-                adapter.getSelection(),
-                File(currentPath)
-            )
-        }
-    }
-
     override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
         super.onActivityResult(requestCode, resultCode, data)
         when (requestCode) {

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

@@ -204,34 +204,29 @@ class FontSelectDialog : BaseDialogFragment(),
         }
     }
 
-    /**
-     * 字体文件夹
-     */
-    override fun onFilePicked(requestCode: Int, currentPath: String) {
-        when (requestCode) {
-            fontFolderRequestCode -> {
-                putPrefString(PreferKey.fontFolder, currentPath)
-                loadFontFilesByPermission(currentPath)
-            }
-        }
-    }
-
     override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
         super.onActivityResult(requestCode, resultCode, data)
         when (requestCode) {
             fontFolderRequestCode -> if (resultCode == RESULT_OK) {
                 data?.data?.let { uri ->
-                    putPrefString(PreferKey.fontFolder, uri.toString())
-                    val doc = DocumentFile.fromTreeUri(requireContext(), uri)
-                    if (doc != null) {
-                        context?.contentResolver?.takePersistableUriPermission(
-                            uri,
-                            Intent.FLAG_GRANT_READ_URI_PERMISSION
-                        )
-                        loadFontFiles(doc)
+                    if (uri.toString().isContentPath()) {
+                        putPrefString(PreferKey.fontFolder, uri.toString())
+                        val doc = DocumentFile.fromTreeUri(requireContext(), uri)
+                        if (doc != null) {
+                            context?.contentResolver?.takePersistableUriPermission(
+                                uri,
+                                Intent.FLAG_GRANT_READ_URI_PERMISSION
+                            )
+                            loadFontFiles(doc)
+                        } else {
+                            RealPathUtil.getPath(requireContext(), uri)?.let {
+                                loadFontFilesByPermission(it)
+                            }
+                        }
                     } else {
-                        RealPathUtil.getPath(requireContext(), uri)?.let {
-                            loadFontFilesByPermission(it)
+                        uri.path?.let { path ->
+                            putPrefString(PreferKey.fontFolder, path)
+                            loadFontFilesByPermission(path)
                         }
                     }
                 }

app/src/main/res/menu/import_book.xml

@@ -8,4 +8,9 @@
         android:icon="@drawable/ic_folder_open"
         app:showAsAction="ifRoom" />
 
+    <item
+        android:id="@+id/menu_scan_folder"
+        android:title="@string/scan_folder"
+        app:showAsAction="never" />
+
 </menu>

app/src/main/res/values-zh-rHK/strings.xml

@@ -777,5 +777,6 @@
     <string name="re_segment">重新分段</string>
     <string name="style_name">样式名称:</string>
     <string name="empty_msg_import_book">点击右上角文件夹图标,选择文件夹</string>
+    <string name="scan_folder">智能扫描</string>
 
 </resources>

app/src/main/res/values-zh-rTW/strings.xml

@@ -777,5 +777,6 @@
     <string name="re_segment">重新分段</string>
     <string name="style_name">样式名称:</string>
     <string name="empty_msg_import_book">点击右上角文件夹图标,选择文件夹</string>
+    <string name="scan_folder">智能扫描</string>
 
 </resources>

app/src/main/res/values-zh/strings.xml

@@ -780,5 +780,6 @@
     <string name="re_segment">重新分段</string>
     <string name="style_name">样式名称:</string>
     <string name="empty_msg_import_book">点击右上角文件夹图标,选择文件夹</string>
+    <string name="scan_folder">智能扫描</string>
 
 </resources>

app/src/main/res/values/strings.xml

@@ -783,5 +783,6 @@
     <string name="re_segment">重新分段</string>
     <string name="style_name">样式名称:</string>
     <string name="empty_msg_import_book">点击右上角文件夹图标,选择文件夹</string>
+    <string name="scan_folder">智能扫描</string>
 
 </resources>