diff --git a/app/src/main/java/io/legado/app/ui/filechooser/FileChooserDialog.kt b/app/src/main/java/io/legado/app/ui/filechooser/FileChooserDialog.kt
new file mode 100644
index 000000000..6c1fc6fbd
--- /dev/null
+++ b/app/src/main/java/io/legado/app/ui/filechooser/FileChooserDialog.kt
@@ -0,0 +1,20 @@
+package io.legado.app.ui.filechooser
+
+import androidx.fragment.app.DialogFragment
+import androidx.fragment.app.FragmentManager
+
+
+class FileChooserDialog : DialogFragment() {
+
+    companion object {
+        const val tag = "FileChooserDialog"
+
+        fun show(manager: FragmentManager) {
+            val fragment =
+                (manager.findFragmentByTag(tag) as? FileChooserDialog) ?: FileChooserDialog()
+            fragment.show(manager, tag)
+        }
+    }
+
+
+}
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