[Flutter] I want fix Video save method.Please support IOS/Android [Please take a close look at the detailed description.]

I have written the current code below. It is hard coded. You can change to another storage method such as Image_gallery_saver. ・budget: $5 ・package ``` flutter_staggered_grid_view: ^0.6.2 font_awesome_flutter: ^10.4.0 jiffy: ^6.1.0 carousel_slider: ^4.2.1 image_picker: ^0.8.7+1 path_provider: ^2.0.14 document_scanner_flutter: ^0.2.7 permission_handler: ^10.2.0 ffmpeg_kit_flutter_full_gpl: 5.1.0-LTS fluttertoast: ^8.2.1 provider: ^6.0.5 media_scanner: ^2.1.0 share_plus: ^4.5.3 sqflite: ^2.2.6 google_mobile_ads: ^2.4.0 flutter_launcher_icons: ^0.13.0 package_info_plus: ^3.1.0 ``` save method ``` Future<bool> downloadVideo(FlipBook flipBook, int flipSpeed) async { //TODO show interstitial ad await showInterstitialAd(); final outputFile = _getVideoOutputFileName([login to view URL]); final success = await [login to view URL]([login to view URL], [login to view URL]!, outputFile, 14 - [login to view URL]()); print('${outputFile} あああ'); if (success) { videoOutputPath = outputFile; notifyListeners(); } return success; } ``` `` String _getVideoOutputFileName(String fliTitle) { String title = [login to view URL]().isNotEmpty ? fliTitle : [login to view URL]().[login to view URL](); title = title .replaceAll(RegExp(r'[^\w\s]+'), '') .replaceAll(RegExp(r'\s+'), ''); final outputFile = "/storage/emulated/0/DCIM/Camera/$[login to view URL]"; return outputFile; } ```