在 Android 上通过浏览器下载文件时避免内容类型问题 [英] Avoiding content type issues when downloading a file via browser on Android
问题描述
如果我有一个文件通过我的 web 应用程序提供给浏览器，我通常只是将 URL 设置为类似 http://website.com/webapp/download/89347/image.jpg.然后我设置 HTTP 标头 Content-Type: application/octet-stream;filename=image.jpg 和 Content-Disposition: Attachment.
If I have a file made available to a browser through my webapp, I normally just set the URL to something like http://website.com/webapp/download/89347/image.jpg. I then set the HTTP headers Content-Type: application/octet-stream; filename=image.jpg and Content-Disposition: Attachment.
但是，在 Android 上.似乎我可以下载文件的唯一方法是设置 Content-Type: image/jpg.否则文件名显示
However, on the Android. It seems the only way I can get the file to download is to set Content-Type: image/jpg. Otherwise the file name says <Unknown> and an error comes
下载失败
无法下载.此手机不支持该内容
Download unsuccessful
Cannot download. The content is not supported on this phone
有什么办法可以让 Android 在不保留 mime 类型列表的情况下通过浏览器下载和打开文件?
Is there any way I can get Android to download and open the file through the browser without keeping a list of mime types?
推荐答案
要使任何下载按预期在所有(尤其是较旧的)Android 版本上正常运行，您需要...
To make any downloads work on all (and especially older) Android versions as expected, you need to...
- 将 ContentType 设置为 application/octet-stream
- 将 Content-Disposition 文件名值放在双引号中
- 以大写形式写入 Content-Disposition 文件扩展名
阅读我的博文了解更多详情:
http://digiblog.de/2011/04/19/android-and-the-download-file-headers/
Read my blog post for more details:
http://digiblog.de/2011/04/19/android-and-the-download-file-headers/
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