Код: Выделить всё
final Intent intent = new Intent(Intent.ACTION_SEND);
intent.setPackage(ShareConstants.SNAPCHAT_PACKAGE_NAME);
final File file = new File(shareItem.getPath());
final Uri photoURI = FileProvider.getUriForFile(activity.get(),ShareConstants.FILE_PROVIDER, file);
intent.putExtra(Intent.EXTRA_STREAM, photoURI);
intent.setTypeAndNormalize(ShareConstants.MIME_TYPE_IMAGE);
startActivity(intent);
Подробнее здесь: https://stackoverflow.com/questions/510 ... h-an-image