show the Show Hidden Items button at the file picker dialogs

Author: tibbi

app/src/main/kotlin/com/simplemobiletools/notes/activities/MainActivity.kt

@@ -321,7 +321,7 @@ class MainActivity : SimpleActivity() {
     }
 
     private fun openFile() {
-        FilePickerDialog(this) {
+        FilePickerDialog(this, canAddShowHiddenButton = true) {
             openFile(it, true) {
                 OpenFileDialog(this, it.path) {
                     addNewNote(it)
@@ -384,7 +384,7 @@ class MainActivity : SimpleActivity() {
     }
 
     private fun openFolder() {
-        FilePickerDialog(this, pickFile = false) {
+        FilePickerDialog(this, pickFile = false, canAddShowHiddenButton = true) {
             openFolder(it) {
                 ImportFolderDialog(this, it.path) {
                     mNotes = dbHelper.getNotes()

app/src/main/kotlin/com/simplemobiletools/notes/dialogs/ExportFileDialog.kt

@@ -20,7 +20,7 @@ class ExportFileDialog(val activity: SimpleActivity, val note: Note, val callbac
             file_name.setText(note.title)
             file_extension.setText(activity.config.lastUsedExtension)
             file_path.setOnClickListener {
-                FilePickerDialog(activity, realPath, false, false, true) {
+                FilePickerDialog(activity, realPath, false, false, true, true) {
                     file_path.text = activity.humanizePath(it)
                     realPath = it
                 }

app/src/main/kotlin/com/simplemobiletools/notes/dialogs/ExportFilesDialog.kt

@@ -20,7 +20,7 @@ class ExportFilesDialog(val activity: SimpleActivity, val notes: ArrayList<Note>
 
             file_extension.setText(activity.config.lastUsedExtension)
             folder_path.setOnClickListener {
-                FilePickerDialog(activity, realPath, false, false, true) {
+                FilePickerDialog(activity, realPath, false, false, true, true) {
                     folder_path.text = activity.humanizePath(it)
                     realPath = it
                 }