image_downloader 0.11.0

Flutter plugin that downloads images on the Internet and saves them on device.

image_downloader

Flutter plugin that downloads images on the Internet and saves them on device.
This will keep Exif(DateTimeOriginal) and GPS(Latitude, Longitude).

For Android, image is saved in Environment.DIRECTORY_DOWNLOADS.
For ios, image is saved in Photo Library.

Getting Started

ios

Add the following keys to your Info.plist file, located in

• NSPhotoLibraryUsageDescription - Specifies the reason for your app to access the user’s photo library. This is called Privacy - Photo Library Usage Description in the visual editor.
• NSPhotoLibraryAddUsageDescription - Specifies the reason for your app to get write-only access to the user’s photo library. This is called Privacy - Photo Library Additions Usage Description in the visual editor.

Android

Add this permission in AndroidManifest.xml.

<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>

Example

try {
  // Saved with this method.
  var imageId = await ImageDownloader.downloadImage("https://raw.githubusercontent.com/wiki/ko2ic/image_downloader/images/flutter.png");
  if (imageId == null) {
    return;
  }

  // Below is a method of obtaining saved image information.
  var fileName = await ImageDownloader.findName(imageId);
  var path = await ImageDownloader.findPath(imageId);
  var size = await ImageDownloader.findByteSize(imageId);
  var mimeType = await ImageDownloader.findMimeType(imageId);
} on PlatformException catch (error) {
  print(error)
}

The return value is as follows.

• imageId of the saved image if saving succeeded.
• null if not been granted permission.
• Otherwise it is a PlatformException.