Flutter:Firebase存储不会在发布模式下上传文件

问题描述 投票:1回答:1

说我有一个有onPressed: ()=> uploadFile(_image.path) // File _image = new File();的凸起按钮,这是我的功能。

Future<Null> uploadFile(String filepath) async {

final String fileName = '$myImage.jpg';
final ByteData bytes = await rootBundle.load(filepath);
final Directory tempDir = Directory.systemTemp;
final File file = File('${tempDir.path}/$fileName');
file.writeAsBytes(bytes.buffer.asInt8List(), mode: FileMode.write);
final StorageReference storageRef =
    FirebaseStorage.instance.ref().child('justAnImage/$fileName');
final StorageUploadTask task = storageRef.putFile(file);

final Uri downloadUrl = (await task.future).downloadUrl;
path = downloadUrl.toString();
return path;

}

它会在调试模式下将图像上传到Firebase存储,但是在发布模式下。它给了我一个错误。 Cannot open file, path = '/data/local/tmp/myImage123.jpg' (OS Error: Permission denied, errno = 13)

我已经设置了我的云存储以允许读写安全规则。

firebase dart flutter firebase-storage
1个回答
1
投票

我用一个名为path_provider的包修复它并更改以下代码

之前:

final Directory tempDir = Directory.systemTemp;

后:

final Directory tempDir = await getTemporaryDirectory();
© www.soinside.com 2019 - 2024. All rights reserved.