Hi David, When I read your email it sounds for me that you are able to adapt the email app on your platform. If yes, then this is the wrong group and you should go to the platform group.
If no, then the whole discussion makes no sense in my eyes because you have no choice anyway ? Good luck ! Frank On 26 Jul., 19:20, David Given <d...@cowlark.com> wrote: > My app wants to send a data file by email. > > However, the data only exists inside the database. There is no physical > file containing it. > > In order to make it possible to send this using INTENT_SEND, I need to > return a file descriptor in ContentProvider.openFile(). This means I > need to write my data out to a temporary file on disk somewhere so I can > open it to get a real file descriptor. > > However, the email app doesn't necessarily use the file immediately, and > *doesn't tell me* when it's finished with it, so I don't know when to > remove the temporary file. As the file is likely to be quite large I > don't want to keep it around for long periods. > > What I'd really like to do is to be able to avoid the whole issue by > using a callback to synthesise the data as and when the email app needs > it, using some sort of pipe. Unfortunately due to the real file > descriptor requirement I can't use Java pipes, there are no Unix fifo > APIs that I can find, and you can't create a ParcelFileDescriptor from a > Unix socket, which was my other option. > > Is there any easy way to do what I want, or do I need to start messing > around with TCP sockets? > > -- > ┌─── ｄｇ＠ｃｏｗｌａｒｋ．ｃｏｍ ─────http://www.cowlark.com───── > │ > │ life←{ ↑1 ⍵∨.^3 4=+/,¯1 0 1∘.⊖¯1 0 1∘.⌽⊂⍵ } > │ --- Conway's Game Of Life, in one line of APL > > signature.asc > < 1 KBAnzeigenHerunterladen -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
