Hi Mark, thanks a lot for your reply. now I am able to open and view the txt file using some other file operations.. May be I will make different activity to read the txt file from sdcard.
Thanks On Fri, Aug 29, 2008 at 11:36 AM, Mark Murphy <[EMAIL PROTECTED]>wrote: > > > My question was, if I can browse through sdcard and I know that the file > > is "...txt" then why can't I open it like all other files? > > To quote from the documentation: > > http://code.google.com/android/reference/android/content/Intent.html > > "For data that is not a content: URI and where no explicit type is > included in the Intent, instead the scheme of the intent data (such as > http: or mailto:) is considered. Again like the action, if we are matching > a scheme it must be listed by the component as one it can handle. " > > You are assuming that Uri.parse("file://home/sdcard.img/test.txt") yields > something that an Activity can understand and respond to. That does not > appear to be the case given your symptoms, though I haven't tried it > myself. > > You may wish to try using an explicit MIME type, to see if that helps (see > Intent#setDataAndType()), but I suspect there simply is no "view a *.txt > file" activity built into the operating system. That simply means you need > to create a *.txt-file-viewer activity, no different than you might need > to create a *.doc-file-viewer activity if you wanted to view Word files, > or a *.csv-file-viewer activity if you want to view CSV files, etc. > > Please bear in mind that Android is not a file-centric OS to the extent > that, say, Windows Mobile is. Neither is iPhone, near as I can tell. > Paradigms like "file browsers" that may be trivial in one mobile OS may be > somewhat more work in other mobile OSes, like Android or iPhone, just as > things that may be relatively easy on Android (e.g., mapping application) > might be excruciatingly painful on another mobile OS. > > -- > Mark Murphy (a Commons Guy) > http://commonsware.com > _The Busy Coder's Guide to Android Development_ Version 1.1 Published! > > > > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Android Beginners" group. To post to this group, send email to android-beginners@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] Announcing the new M5 SDK! http://android-developers.blogspot.com/2008/02/android-sdk-m5-rc14-now-available.html For more options, visit this group at http://groups.google.com/group/android-beginners?hl=en -~----------~----~----~----~------~----~------~--~---
