How to get full downloadUrl from UploadTaskSnapshot in Flutter?

Question

I correctly receive UploadTaskSnapshot, and the field downloadUrl contains an instance of Uri that parses download link of uploaded file.

H

Answer 1

I get downloadUrl from v1.0.3 by the following code.

StorageReference storageReference = _storage.ref().child(path);
StorageUploadTask uploadTask = storageReference.putFile(imageFile);

StorageTaskSnapshot taskSnapshot = await uploadTask.onComplete;

String downloadUrl = await taskSnapshot.ref.getDownloadURL();

Answer 2

old

final uploadTask = imageStore.putFile(imageFile);
final url = (await uploadTask.future).downloadUrl;

update

This answer https://stackoverflow.com/a/52690889/217408 is now the accurate one.

final ref = FirebaseStorage.instance
    .ref()
    .child('path')
    .child('to')
    .child('the')
    .child('image_filejpg');

ref.putFile(imageFile);
// or ref.putData(Uint8List.fromList(imageData));

var url = await ref.getDownloadURL() as String;

or

var url = Uri.parse(await ref.getDownloadURL() as String);

Answer 3

From my this answer,

The latest version of plugin doesn't let you use task.future() anymore and in the documentation they say to use lastSnapshot which didn't work for me.

So, I used onComplete. Here is the working solution:

StorageUploadTask uploadTask = storageRef.putFile(yourFile);
StorageTaskSnapshot storageTaskSnapshot = await uploadTask.onComplete;
String downloadUrl = await storageTaskSnapshot.ref.getDownloadURL();

Answer 4

@DomingoMG it looks like with the latest release they want:

String location = await ref.getDownloadURL();

See https://pub.dartlang.org/packages/firebase_storage#-example-tab-