nodahikaru

import 'dart:async';

import 'package:flutter/foundation.dart';
import 'package:flutter/widgets.dart';
import 'package:flutter/material.dart';

const Duration _kBottomSheetDuration = Duration(milliseconds: 200);
const double _kMinFlingVelocity = 700.0;
const double _kCloseProgressThreshold = 0.5;

nodahikaru

@import Photos;
@import AVKit;
[PHPhotoLibrary.sharedPhotoLibrary performChanges:^{

     NSURL *url = [NSURL fileURLWithPath:[FileUtil filePath:fileName]];
     [PHAssetChangeRequest creationRequestForAssetFromVideoAtFileURL:url];

         } completionHandler:^(BOOL success, NSError * _Nullable error) {
               if (error) {
                    NSLog(@"Error : %@", error);