从Flutter中的Firebase存储获取下载URL [英] Get Download URL from Firebase Storage in Flutter

问题描述

我目前正在使用Flutter，我发现Flutter中有一个官方的Firebase Storage插件 firebase_storage
我有这样的存储引用：

I'm currently exploring Flutter, I found there is an official Firebase Storage plugin in Flutter firebase_storage I have storage reference like this one:

final StorageReference ref = FirebaseStorage.instance.ref().child("default.png");

但是没有方法可以从该StorageReference获取下载URL。

But there is no method to get download URL from that StorageReference.

推荐答案

如果上述解决方案无效，请尝试以下操作：

If the above solution doesn't work, try this:

Future<String> uploadImage(var imageFile ) async {
    StorageReference ref = storage.ref().child("/photo.jpg");
    StorageUploadTask uploadTask = ref.putFile(imageFile);

    var dowurl = await (await uploadTask.onComplete).ref.getDownloadURL();
    url = dowurl.toString();

    return url; 
}

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