changjoo-park / gallery_saver

Flutter plugin that saves images and videos to devices gallery

Gallery Saver for Flutter

Saves images and videos from network or temporary file to external storage. Both images and videos will be visible in Android Gallery and iOS Photos.

NOTE: If you want to save network image or video link, it has to contain 'http/https' prefix.

Installation

First, add gallery_saver as a dependency in your pubspec.yaml file.

iOS

Add the following keys to your Info.plist file, located in <project root>/ios/Runner/Info.plist:

• NSPhotoLibraryUsageDescription - describe why your app needs permission for the photo library. This is called Privacy - Photo Library Usage Description in the visual editor.

Android

• android.permission.WRITE_EXTERNAL_STORAGE - Permission for usage of external storage

Example

import 'dart:io';

import 'package:flutter/material.dart';
import 'package:gallery_saver/gallery_saver.dart';
import 'package:image_picker/image_picker.dart';

void main() => runApp(MyApp());

class MyApp extends StatefulWidget {
  @override
  _MyAppState createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  String firstButtonText = 'Take photo';
  String secondButtonText = 'Record video';
  double textSize = 20;

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
        home: Scaffold(
      body: Container(
        color: Colors.white,
        child: Column(
          children: <Widget>[
            Flexible(
              flex: 1,
              child: Container(
                child: SizedBox.expand(
                  child: RaisedButton(
                    color: Colors.blue,
                    onPressed: _takePhoto,
                    child: Text(firstButtonText,
                        style:
                            TextStyle(fontSize: textSize, color: Colors.white)),
                  ),
                ),
              ),
            ),
            Flexible(
              child: Container(
                  child: SizedBox.expand(
                child: RaisedButton(
                  color: Colors.white,
                  onPressed: _recordVideo,
                  child: Text(secondButtonText,
                      style: TextStyle(
                          fontSize: textSize, color: Colors.blueGrey)),
                ),
              )),
              flex: 1,
            )
          ],
        ),
      ),
    ));
  }

  void _takePhoto() async {
    ImagePicker.pickImage(source: ImageSource.camera)
        .then((File recordedImage) {
      if (recordedImage != null && recordedImage.path != null) {
        setState(() {
          firstButtonText = 'saving in progress...';
        });
        GallerySaver.saveImage(recordedImage.path).then((String path) {
          setState(() {
            firstButtonText = 'image saved!';
          });
        });
      }
    });
  }

  void _recordVideo() async {
    ImagePicker.pickVideo(source: ImageSource.camera)
        .then((File recordedVideo) {
      if (recordedVideo != null && recordedVideo.path != null) {
        setState(() {
          secondButtonText = 'saving in progress...';
        });
        GallerySaver.saveVideo(recordedVideo.path).then((String path) {
          setState(() {
            secondButtonText = 'video saved!';
          });
        });
      }
    });
  }
  void _saveNetworkVideo() async {
    String path =
        'https://sample-videos.com/video123/mp4/720/big_buck_bunny_720p_1mb.mp4';
    GallerySaver.saveVideo(path).then((bool success) {
      setState(() {
        print('Video is saved');
      });
    });
  }

  void _saveNetworkImage() async {
    String path =
        'https://image.shutterstock.com/image-photo/montreal-canada-july-11-2019-600w-1450023539.jpg';
    GallerySaver.saveImage(path).then((bool success) {
      setState(() {
        print('Image is saved');
      });
    });
  }
}