Bug 11530 - InputStreamInvoker should allow read head to be moved forward
Summary: InputStreamInvoker should allow read head to be moved forward
Alias: None
Product: Android
Classification: Xamarin
Component: BCL Class Libraries ()
Version: 4.6.x
Hardware: Macintosh Mac OS
: Low normal
Target Milestone: ---
Assignee: Bugzilla
Depends on:
Reported: 2013-04-02 18:35 UTC by MPH
Modified: 2016-09-14 07:15 UTC (History)
3 users (show)

Is this bug a regression?: ---
Last known good build:

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Description MPH 2013-04-02 18:35:43 UTC
Assets.Open() returns an InputStreamInvoker, for which the following kinds of behaviors will throw an exception:

isi.Position += 100;
isi.Seek(100, SeekOrigin.Current);

While the underlying Java.io.InputStream does not support random access, it does allow moving the read head forward via the skip() function.

I propose that the implementation be adjusted to allow the position to be moved in one direction, in some fashion.
Comment 1 Atsushi Eno 2016-09-14 07:15:18 UTC
That sounded like a good idea, but it turned out to be impossible to implement that because it is impossible to get current Position which is necessary to implement Seek() to calculate return value. Thanks for the suggestion.