image_picker_web

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image_picker_web

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A picker with which you can pick images and videos from your Flutter web app

image_picker_web 최신버젼 다운로드

최종 버전 다운로드 (.zip)

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# ImagePickerWeb

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This Web-Plugin allows Flutter Web to pick images (as File, Widget or Uint8List) and videos (as File or Uint8List). Many thanks goes to [AlvaroVasconcelos](https://github.com/AlvaroVasconcelos) for the implementation of picking images in his plugin: [flutter_web_image_picker](https://github.com/AlvaroVasconcelos/flutter_web_image_picker)

![ExampleGif](https://raw.githubusercontent.com/Ahmadre/image_picker_web/master/assets/exampleupload.gif)

### Disclaimer for Videos

* Till now [Mar. 2020] it's not possible (due to security reasons) to play a local video file (see also video_player_web). But you can retreive the file and upload them somewhere and play it as a network source.

## Getting Started

Add `image_picker_web` to your pubspec.yaml:

```yaml
image_picker_web: any
```

## Picking Images

### Pick an image

Load image as `Image.memory` Widget:

```dart
Image? fromPicker = await ImagePickerWeb.getImageAsWidget();
```

Load image as bytes:

```dart
Uint8List? bytesFromPicker = await ImagePickerWeb.getImageAsBytes();
```

Load image as and `html.File` object :

```dart
html.File? imageFile = (await ImagePickerWeb.getMultiImagesAsFile())?[0];
```

### Pick multiple images

Load images as a `List<Image>` :

```dart
List<Image>? fromPicker = await ImagePickerWeb.getMultiImagesAsWidget();
```

Load images as bytes :

```dart
List<Uint8List>? bytesFromPicker = await ImagePickerWeb.getMultiImagesAsBytes();
```

Load images as `List<html.File>` objects :

```dart
List<html.File> imageFiles = await ImagePickerWeb.getMultiImagesAsFile();
```

## How do I get all Informations out of my Image/Video (e.g. Image AND File in one run)?

Besides the standard `getImage()` or `getVideo()` methods you can use the getters:
  + `getImageInfo` or
  + `getVideoInfo` to acheive this.

**Full Example**

```dart
import 'dart:html' as html;
 
import 'package:mime_type/mime_type.dart';
import 'package:path/path.dart' as Path;
import 'package:image_picker_web/image_picker_web.dart';
import 'package:flutter/material.dart';

html.File _cloudFile;
 var _fileBytes;
 Image _imageWidget;
 
 Future<void> getMultipleImageInfos() async {
    var mediaData = await ImagePickerWeb.getImageInfo;
    String mimeType = mime(Path.basename(mediaData.fileName));
    html.File mediaFile =
        new html.File(mediaData.data, mediaData.fileName, {'type': mimeType});

if (mediaFile != null) {
      setState(() {
        _cloudFile = mediaFile;
        _fileBytes = mediaData.data;
        _imageWidget = Image.memory(mediaData.data);
      });
    }
  }
```

With `getMultipleImageInfos()` you can get all three available types in one call.

## Picking Videos

To load a video as `html.File` do:

```dart
html.File? videoFile = await ImagePickerWeb.getVideoAsFile();
```

To load a video as `Uint8List` do:

```dart
Uint8List? videoData = await ImagePickerWeb.getVideoAsBytes();
```

**Reminder**: Don't use `Uint8List` retreivement for big video files! Flutter can't handle that. Pick bigger sized videos and high-resolution videos as `html.File` !

After you uploaded your video somewhere hosted, you can retreive the network url to play it.

### MediaInfos

* The methods ```getVideoInfo``` and ```getImageInfo``` are also available and you can use them to retreive further informations about your picked source.

### Pick multiple images

Load videos as bytes:

```dart
List<Uint8List>? videos = ImagePickerWeb.getMultiVideosAsBytes();
```

Load videos as `List<html.File>` objects :

```dart
List<html.File>? videoFiles = await ImagePickerWeb.getMultiVideosAsFile();
```

## Migration Guide

### From 3.0.0 to 4.0.0

* The `WebImagePicker` class has been removed. Use methods from `ImagePickerWeb` class instead.
* `getImageInfo` and `getVideoInfo` are now methods and not getters. Use them like `ImagePickerWeb.getImageInfo()` and `ImagePickerWeb.getVideoInfo()`.

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