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Android: Reliably share an image from assets via messaging, G , twitter, facebook?
// my intent

Intent i = new Intent(android.content.Intent.ACTION_SEND);
i.setType("image/jpeg");
Uri uri = Uri.parse("content://com.me.provider/ic_launcher.jpg");
i.putExtra(Intent.EXTRA_STREAM, uri);
i.putExtra(android.content.Intent.EXTRA_TEXT, text);
startActivity(Intent.createChooser(i, "Share via"));

// my custom content provider

public class ImageProvider extends ContentProvider
{
private AssetManager _assetManager;

public static final Uri CONTENT_URI = Uri.parse("content://com.me.provider");

// not called
@Override
public int delete(Uri arg0, String arg1, String[] arg2)
{
    return 0;
}

// not called
@Override
public String getType(Uri uri)
{
    return "image/jpeg";
}

// not called
@Override
public Uri insert(Uri uri, ContentValues values)
{
    return null;
}

@Override
public boolean onCreate()
{
    _assetManager = getContext().getAssets();
    return true;
}

@Override
public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs, String sortOrder)
{
    MatrixCursor c = new MatrixCursor(new String[] { "_id", "_data" });

    try
    {
                    // just a guess!! works for g+ :/
        c.addRow(new Object[] { "ic_launcher.jpg",  _assetManager.openFd("ic_launcher.jpg") });
    } catch (IOException e)
    {
        e.printStackTrace();
        return null;
    }

    return c;
}

// not called
@Override
public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs)
{
    return 0;
}

// not called
@Override
public String[] getStreamTypes(Uri uri, String mimeTypeFilter)
{

    return new String[] { "image/jpeg" };
}

// called by most apps
@Override
public AssetFileDescriptor openAssetFile(Uri uri, String mode) throws FileNotFoundException
{

    try
    {
        AssetFileDescriptor afd = _assetManager.openFd("ic_launcher.jpg");
        return afd;
    } catch (IOException e)
    {
        throw new FileNotFoundException("No asset found: " + uri);
    }
}

// not called
@Override
public ParcelFileDescriptor openFile(Uri uri, String mode)
        throws FileNotFoundException
{

    return super.openFile(uri, mode);
}