adding a simple way of renaming multiple items at once

app/build.gradle

@@ -48,7 +48,7 @@ android {
 }
 
 dependencies {
-    implementation 'com.simplemobiletools:commons:5.1.14'
+    implementation 'com.simplemobiletools:commons:5.1.15'
     implementation 'com.theartofdev.edmodo:android-image-cropper:2.7.0'
     implementation 'androidx.multidex:multidex:2.0.0'
     implementation 'it.sephiroth.android.exif:library:1.0.1'

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

@@ -10,6 +10,7 @@ import com.simplemobiletools.commons.adapters.MyRecyclerViewAdapter
 import com.simplemobiletools.commons.dialogs.ConfirmationDialog
 import com.simplemobiletools.commons.dialogs.PropertiesDialog
 import com.simplemobiletools.commons.dialogs.RenameItemDialog
+import com.simplemobiletools.commons.dialogs.RenameItemsDialog
 import com.simplemobiletools.commons.extensions.*
 import com.simplemobiletools.commons.helpers.OTG_PATH
 import com.simplemobiletools.commons.models.FileDirItem
@@ -68,7 +69,7 @@ class DirectoryAdapter(activity: BaseSimpleActivity, var dirs: ArrayList<Directo
 
         val isOneItemSelected = isOneItemSelected()
         menu.apply {
-            findItem(R.id.cab_rename).isVisible = isOneItemSelected && !selectedPaths.contains(FAVORITES) && !selectedPaths.contains(RECYCLE_BIN)
+            findItem(R.id.cab_rename).isVisible = !selectedPaths.contains(FAVORITES) && !selectedPaths.contains(RECYCLE_BIN)
             findItem(R.id.cab_change_cover_image).isVisible = isOneItemSelected
 
             findItem(R.id.cab_empty_recycle_bin).isVisible = isOneItemSelected && selectedPaths.first() == RECYCLE_BIN
@@ -141,6 +142,7 @@ class DirectoryAdapter(activity: BaseSimpleActivity, var dirs: ArrayList<Directo
     }
 
     private fun renameDir() {
+        if (selectedKeys.size == 1) {
             val firstDir = getFirstSelectedItem() ?: return
             val sourcePath = firstDir.path
             val dir = File(sourcePath)
@@ -163,6 +165,12 @@ class DirectoryAdapter(activity: BaseSimpleActivity, var dirs: ArrayList<Directo
                     }.start()
                 }
             }
+        } else {
+            val paths = getSelectedPaths().filter { !activity.isAStorageRootFolder(it) } as ArrayList<String>
+            RenameItemsDialog(activity, paths) {
+                listener?.refreshItems()
+            }
+        }
     }
 
     private fun toggleFoldersVisibility(hide: Boolean) {

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

@@ -13,6 +13,7 @@ import com.simplemobiletools.commons.activities.BaseSimpleActivity
 import com.simplemobiletools.commons.adapters.MyRecyclerViewAdapter
 import com.simplemobiletools.commons.dialogs.PropertiesDialog
 import com.simplemobiletools.commons.dialogs.RenameItemDialog
+import com.simplemobiletools.commons.dialogs.RenameItemsDialog
 import com.simplemobiletools.commons.extensions.*
 import com.simplemobiletools.commons.helpers.OTG_PATH
 import com.simplemobiletools.commons.models.FileDirItem
@@ -111,7 +112,7 @@ class MediaAdapter(activity: BaseSimpleActivity, var media: MutableList<Thumbnai
         val isOneItemSelected = isOneItemSelected()
         val selectedPaths = selectedItems.map { it.path } as ArrayList<String>
         menu.apply {
-            findItem(R.id.cab_rename).isVisible = isOneItemSelected && selectedItems.firstOrNull()?.getIsInRecycleBin() == false
+            findItem(R.id.cab_rename).isVisible = selectedItems.firstOrNull()?.getIsInRecycleBin() == false
             findItem(R.id.cab_open_with).isVisible = isOneItemSelected
             findItem(R.id.cab_confirm_selection).isVisible = isAGetIntent && allowMultiplePicks && selectedKeys.isNotEmpty()
             findItem(R.id.cab_restore_recycle_bin_files).isVisible = selectedPaths.all { it.startsWith(activity.filesDir.absolutePath) }
@@ -195,6 +196,7 @@ class MediaAdapter(activity: BaseSimpleActivity, var media: MutableList<Thumbnai
     }
 
     private fun renameFile() {
+        if (selectedKeys.size == 1) {
             val oldPath = getFirstSelectedItemPath() ?: return
             RenameItemDialog(activity, oldPath) {
                 Thread {
@@ -207,6 +209,13 @@ class MediaAdapter(activity: BaseSimpleActivity, var media: MutableList<Thumbnai
                     }
                 }.start()
             }
+        } else {
+            RenameItemsDialog(activity, getSelectedPaths()) {
+                enableInstantLoad()
+                listener?.refreshItems()
+                finishActMode()
+            }
+        }
     }
 
     private fun editFile() {