up

app/src/main/java/io/legado/app/constant/PreferKey.kt

@@ -0,0 +1,8 @@
+package io.legado.app.constant
+
+object PreferKey {
+
+    const val downloadPath = "downloadPath"
+
+
+}

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

@@ -1,6 +1,7 @@
 package io.legado.app.help
 
 import io.legado.app.App
+import io.legado.app.constant.PreferKey
 import io.legado.app.data.entities.Book
 import io.legado.app.data.entities.BookChapter
 import io.legado.app.data.entities.ReplaceRule
@@ -13,13 +14,13 @@ import kotlin.math.min
 object BookHelp {
 
     private var downloadPath: String =
-        App.INSTANCE.getPrefString("downloadPath")
+        App.INSTANCE.getPrefString(PreferKey.downloadPath)
             ?: App.INSTANCE.getExternalFilesDir(null)?.absolutePath
             ?: App.INSTANCE.cacheDir.absolutePath
 
     fun upDownloadPath() {
         downloadPath =
-            App.INSTANCE.getPrefString("downloadPath")
+            App.INSTANCE.getPrefString(PreferKey.downloadPath)
                 ?: App.INSTANCE.getExternalFilesDir(null)?.absolutePath
                         ?: App.INSTANCE.cacheDir.absolutePath
     }

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

@@ -10,6 +10,7 @@ import androidx.preference.Preference
 import androidx.preference.PreferenceFragmentCompat
 import io.legado.app.App
 import io.legado.app.R
+import io.legado.app.constant.PreferKey
 import io.legado.app.help.BookHelp
 import io.legado.app.lib.theme.ATH
 import io.legado.app.receiver.SharedReceiverActivity
@@ -35,7 +36,7 @@ class ConfigFragment : PreferenceFragmentCompat(),
     override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
         putPrefBoolean("process_text", isProcessTextEnabled())
         addPreferencesFromResource(R.xml.pref_config)
-        bindPreferenceSummaryToValue(findPreference("downloadPath"))
+        bindPreferenceSummaryToValue(findPreference(PreferKey.downloadPath))
     }
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
@@ -55,20 +56,22 @@ class ConfigFragment : PreferenceFragmentCompat(),
 
     override fun onPreferenceTreeClick(preference: Preference?): Boolean {
         when (preference?.key) {
-            "downloadPath" -> fragmentManager?.let {
-                FileChooserDialog.show(
-                    it,
+            PreferKey.downloadPath -> FileChooserDialog.show(
+                childFragmentManager,
                 downloadPath,
-                    mode = FileChooserDialog.DIRECTORY
+                mode = FileChooserDialog.DIRECTORY,
+                initPath = getPreferenceString(PreferKey.downloadPath)
             )
         }
-        }
         return super.onPreferenceTreeClick(preference)
     }
 
     override fun onSharedPreferenceChanged(sharedPreferences: SharedPreferences?, key: String?) {
         when (key) {
-            "downloadPath" -> BookHelp.upDownloadPath()
+            PreferKey.downloadPath -> {
+                BookHelp.upDownloadPath()
+                findPreference<Preference>(key)?.summary = getPreferenceString(key)
+            }
             "recordLog" -> LogUtils.upLevel()
             "process_text" -> sharedPreferences?.let {
                 setProcessTextEnable(it.getBoolean("process_text", true))
@@ -102,7 +105,7 @@ class ConfigFragment : PreferenceFragmentCompat(),
 
     private fun getPreferenceString(key: String): String {
         return when (key) {
-            "downloadPath" -> getPrefString("downloadPath")
+            PreferKey.downloadPath -> getPrefString(PreferKey.downloadPath)
                 ?: App.INSTANCE.getExternalFilesDir(null)?.absolutePath
                 ?: App.INSTANCE.cacheDir.absolutePath
             else -> getPrefString(key, "")
@@ -129,6 +132,6 @@ class ConfigFragment : PreferenceFragmentCompat(),
 
     override fun onFilePicked(requestCode: Int, currentPath: String) {
         super.onFilePicked(requestCode, currentPath)
-        putPrefString("downloadPath", currentPath)
+        putPrefString(PreferKey.downloadPath, currentPath)
     }
 }

app/src/main/java/io/legado/app/ui/filechooser/FileChooserDialog.kt

@@ -36,6 +36,7 @@ class FileChooserDialog : DialogFragment(),
             requestCode: Int,
             mode: Int = FILE,
             title: String? = null,
+            initPath: String? = null,
             isShowHomeDir: Boolean = false,
             isShowUpDir: Boolean = true,
             isShowHideDir: Boolean = false
@@ -49,6 +50,7 @@ class FileChooserDialog : DialogFragment(),
                     bundle.putBoolean("isShowHomeDir", isShowHomeDir)
                     bundle.putBoolean("isShowUpDir", isShowUpDir)
                     bundle.putBoolean("isShowHideDir", isShowHideDir)
+                    bundle.putString("initPath", initPath)
                     arguments = bundle
                 }
             fragment.show(manager, tag)
@@ -95,6 +97,9 @@ class FileChooserDialog : DialogFragment(),
             isShowHomeDir = it.getBoolean("isShowHomeDir")
             isShowUpDir = it.getBoolean("isShowUpDir")
             isShowHideDir = it.getBoolean("isShowHideDir")
+            it.getString("initPath")?.let { path ->
+                initPath = path
+            }
         }
         tool_bar.title = title ?: let {
             if (isOnlyListDir) {
@@ -132,6 +137,7 @@ class FileChooserDialog : DialogFragment(),
             R.id.menu_add -> fileAdapter.currentPath?.let {
                 (parentFragment as? CallBack)?.onFilePicked(requestCode, it)
                 (activity as? CallBack)?.onFilePicked(requestCode, it)
+                dismiss()
             }
         }
         return true