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webapp可用于浏览器，我通常只是将URL设置为像 http://website.com/webapp/download/89347/image.jpg 。然后我设置HTTP头 Content-Type：application / octet-stream;文件名= image.jpg 和内容处置：附件。
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.
然而， Android。看来我可以让文件下载的唯一方法是设置 Content-Type：image / jpg 。否则，文件名称<未知> 并出现错误
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
下载不成功
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
有没有办法让Android可以通过浏览器下载和打开文件，而不保留一个mime类型的列表？
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
要使所有（特别是较旧的）Android版本的任何下载在预期的情况下工作，您需要to ...
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-双引号中的处理文件名值
- 在UPPERCASE中写入Content-Disposition文件扩展名
读取我的博文更多的细节：
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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