如何将图像上传到Firebase存储并将图像url保存到Firebase数据库以在抖动中使用它

Question

我需要从Firebase存储中获取图像链接，并将其网址保存到Firestore字段中，我有一个名为avatar（string）的字段，该avatar值是firebase存储中的图像链接

---

  ClipRRect(
                                      child: Image.network(snapshot.data[index].data['avatar'],
                                        height: 100,
                                        width: 170,
                                        fit: BoxFit.fill,
                                      ),
                                      borderRadius: BorderRadius.circular(20),
                                    ),

---

和错误代码

════════ Exception caught by image resource service ════════════════════════════════════════════════
The following ArgumentError was thrown resolving an image codec:
Invalid argument(s): Unsupported scheme 'gs' in URI gs://pfe-2020-51d9c.appspot.com/Ail/14118b537d_100727_bienfaits-ail.jpg

When the exception was thrown, this was the stack: 
#0      _HttpClient._openUrl (dart:_http/http_impl.dart:2278:9)
#1      _HttpClient.getUrl (dart:_http/http_impl.dart:2197:48)
#2      NetworkImage._loadAsync (package:flutter/src/painting/_network_image_io.dart:84:59)
#3      NetworkImage.load (package:flutter/src/painting/_network_image_io.dart:47:14)
#4      ImageProvider.resolve.<anonymous closure>.<anonymous closure>.<anonymous closure> (package:flutter/src/painting/image_provider.dart:327:17)
...
Image provider: NetworkImage("gs://pfe-2020-51d9c.appspot.com/Ail/14118b537d_100727_bienfaits-ail.jpg", scale: 1.0)
Image key: NetworkImage("gs://pfe-2020-51d9c.appspot.com/Ail/14118b537d_100727_bienfaits-ail.jpg", scale: 1.0)

════════════════════════════════════════════════ ═════════════════════════════════

Answer 1

[1）