use the rename folder dialog from the Commons lib

app/build.gradle

@@ -32,7 +32,7 @@ android {
 }
 
 dependencies {
-    compile 'com.simplemobiletools:commons:2.10.5'
+    compile 'com.simplemobiletools:commons:2.10.12'
     compile 'com.davemorrissey.labs:subsampling-scale-image-view:3.6.0'
     compile 'com.theartofdev.edmodo:android-image-cropper:2.3.1'
     compile 'com.bignerdranch.android:recyclerview-multiselect:0.2'

app/src/main/kotlin/com/simplemobiletools/gallery/adapters/DirectoryAdapter.kt

@@ -15,12 +15,12 @@ import com.bumptech.glide.signature.StringSignature
 import com.simplemobiletools.commons.asynctasks.CopyMoveTask
 import com.simplemobiletools.commons.dialogs.ConfirmationDialog
 import com.simplemobiletools.commons.dialogs.PropertiesDialog
+import com.simplemobiletools.commons.dialogs.RenameFolderDialog
 import com.simplemobiletools.commons.extensions.*
 import com.simplemobiletools.gallery.R
 import com.simplemobiletools.gallery.activities.SimpleActivity
 import com.simplemobiletools.gallery.dialogs.CopyDialog
 import com.simplemobiletools.gallery.dialogs.ExcludeFolderDialog
-import com.simplemobiletools.gallery.dialogs.RenameDirectoryDialog
 import com.simplemobiletools.gallery.extensions.*
 import com.simplemobiletools.gallery.models.Directory
 import kotlinx.android.synthetic.main.directory_item.view.*
@@ -165,8 +165,7 @@ class DirectoryAdapter(val activity: SimpleActivity, val dirs: MutableList<Direc
             return
         }
 
-        RenameDirectoryDialog(activity, dir) {
+        RenameFolderDialog(activity, dir) {
-            activity.scanPaths(it) {
             activity.runOnUiThread {
                 actMode?.finish()
                 listener?.refreshItems()
@@ -174,7 +173,6 @@ class DirectoryAdapter(val activity: SimpleActivity, val dirs: MutableList<Direc
             }
         }
     }
-    }
 
     private fun toggleFoldersVisibility(hide: Boolean) {
         val paths = getSelectedPaths()

app/src/main/kotlin/com/simplemobiletools/gallery/dialogs/RenameDirectoryDialog.kt

@@ -1,74 +0,0 @@
-package com.simplemobiletools.gallery.dialogs
-
-import android.support.v7.app.AlertDialog
-import android.view.LayoutInflater
-import android.view.WindowManager
-import com.simplemobiletools.commons.extensions.*
-import com.simplemobiletools.gallery.R
-import com.simplemobiletools.gallery.activities.SimpleActivity
-import com.simplemobiletools.gallery.extensions.config
-import kotlinx.android.synthetic.main.rename_directory.view.*
-import java.io.File
-import java.util.*
-
-class RenameDirectoryDialog(val activity: SimpleActivity, val dir: File, val callback: (changedPaths: ArrayList<String>) -> Unit) {
-    init {
-        val view = LayoutInflater.from(activity).inflate(R.layout.rename_directory, null).apply {
-            directory_name.setText(dir.name)
-            directory_path.text = "${activity.humanizePath(dir.parent)}/"
-        }
-
-        AlertDialog.Builder(activity)
-                .setPositiveButton(R.string.ok, null)
-                .setNegativeButton(R.string.cancel, null)
-                .create().apply {
-            window!!.setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE)
-            activity.setupDialogStuff(view, this, R.string.rename_folder)
-            getButton(AlertDialog.BUTTON_POSITIVE).setOnClickListener({
-                val newDirName = view.directory_name.value
-                if (newDirName.isEmpty()) {
-                    context.toast(R.string.rename_folder_empty)
-                    return@setOnClickListener
-                }
-
-                if (!newDirName.isAValidFilename()) {
-                    context.toast(R.string.invalid_name)
-                    return@setOnClickListener
-                }
-
-                val updatedFiles = ArrayList<String>()
-                updatedFiles.add(dir.absolutePath)
-                val newDir = File(dir.parent, newDirName)
-
-                if (newDir.exists()) {
-                    context.toast(R.string.rename_folder_exists)
-                    return@setOnClickListener
-                }
-
-                if (context.needsStupidWritePermissions(dir.absolutePath)) {
-                    activity.handleSAFDialog(dir) {
-                        val document = context.getFileDocument(dir.absolutePath, context.config.treeUri) ?: return@handleSAFDialog
-                        if (document.canWrite())
-                            document.renameTo(newDirName)
-                        sendSuccess(updatedFiles, newDir)
-                        dismiss()
-                    }
-                } else if (dir.renameTo(newDir)) {
-                    sendSuccess(updatedFiles, newDir)
-                    dismiss()
-                } else {
-                    context.toast(R.string.rename_folder_error)
-                }
-            })
-        }
-    }
-
-    private fun sendSuccess(updatedFiles: ArrayList<String>, newDir: File) {
-        activity.toast(R.string.renaming_folder)
-        val files = if (newDir.isDirectory) newDir.listFiles() else arrayOf<File>()
-        files.mapTo(updatedFiles) { it.absolutePath }
-
-        updatedFiles.add(newDir.absolutePath)
-        callback.invoke(updatedFiles)
-    }
-}

app/src/main/res/layout/rename_directory.xml

@@ -1,23 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<LinearLayout
-    xmlns:android="http://schemas.android.com/apk/res/android"
-    android:id="@+id/rename_directory_holder"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:orientation="vertical"
-    android:padding="@dimen/activity_margin">
-
-    <com.simplemobiletools.commons.views.MyTextView
-        android:id="@+id/directory_path"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"/>
-
-    <com.simplemobiletools.commons.views.MyEditText
-        android:id="@+id/directory_name"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:layout_marginBottom="@dimen/activity_margin"
-        android:singleLine="true"
-        android:textCursorDrawable="@null"/>
-
-</LinearLayout>