export notes into txt files

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

@@ -878,6 +878,7 @@ class MainActivity : SimpleActivity() {
     }
 
     private fun tryExportNotes() {
+        hideKeyboard()
         val fileName = "${getString(R.string.notes)}_${getCurrentFormattedDateTime()}"
         Intent(Intent.ACTION_CREATE_DOCUMENT).apply {
             type = EXPORT_MIME_TYPE
@@ -910,6 +911,7 @@ class MainActivity : SimpleActivity() {
     }
 
     private fun tryImportNotes() {
+        hideKeyboard()
         Intent(Intent.ACTION_GET_CONTENT).apply {
             addCategory(Intent.CATEGORY_OPENABLE)
             type = EXPORT_MIME_TYPE

app/src/main/kotlin/com/simplemobiletools/notes/pro/helpers/Constants.kt

@@ -36,7 +36,7 @@ const val USE_INCOGNITO_MODE = "use_incognito_mode"
 const val LAST_CREATED_NOTE_TYPE = "last_created_note_type"
 const val MOVE_DONE_CHECKLIST_ITEMS = "move_undone_checklist_items"     // it has been replaced from moving undone items at the top to moving done to bottom
 const val FONT_SIZE_PERCENTAGE = "font_size_percentage"
-const val EXPORT_MIME_TYPE = "application/json"
+const val EXPORT_MIME_TYPE = "text/plain"
 
 // gravity
 const val GRAVITY_LEFT = 0

app/src/main/kotlin/com/simplemobiletools/notes/pro/helpers/NotesExporter.kt

@@ -29,7 +29,7 @@ class NotesExporter(private val context: Context) {
                     writer.beginArray()
                     val notes = context.notesDB.getNotes() as ArrayList<Note>
                     for (note in notes) {
-                        if (note.protectionType === PROTECTION_NONE) {
+                        if (note.protectionType == PROTECTION_NONE) {
                             val noteToSave = getNoteToExport(note)
                             writer.jsonValue(gson.toJson(noteToSave))
                             written++