are you using getExternalStorageDirectory() to ensure that your files
go on the sd card? if you don't qualify the file name, it might well
go in your app-private area, preventing anyone else seeing it.
failing that, i wonder if Android generally supports the data: URL
scheme. you might be able to serialise images like this --
data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAoAA (etc)
...
>Hi,
>
>I'm trying to set up a SEND intent so that my app can share images in
>a similar way to the gallery app. The only difference is that my
>images are in memory rather than on the sdcard. This seems to present
>a conundrum with file system permissions. Any advice appreciated.
>
>This is how I set up the send intent. All seems to be fine:
>
> Uri u = Uri.fromFile(local_file);
> Intent intent = new Intent();
> intent.setAction(Intent.ACTION_SEND);
> String mimeType = "image/jpeg";
> intent.setType(mimeType);
> intent.putExtra(Intent.EXTRA_STREAM, u);
>
>The JPEG I want to send is in memory. In order to construct a URI to
>pass to the send intent, it seems I have to write the JPEG to disk.
>However, if I write the file to the local files directory of my app
>using
>
>openFileOutput("image.jpg",MODE_WORLD_READABLE);
>
>then the activity that accepts the send request has an error when it
>tries to fetch this image. I think this is because it doesn't have
>read permissions on my local storage. And there is no apparent way to
>give it the necessary permissions.
>
>So that seems to leave writing the image to the sdcard. Is this
>correct, or did I miss a trick somewhere? Using the sdcard as temp
>storage seems like a messy solution.
>
>Best,
>Mark
>
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