Java创建ParcelFileDescriptor

java创建ParcelFileDescriptor

        String path = mContext.getExternalFilesDir(null).getAbsolutePath() + "/203.txt";
        ParcelFileDescriptor pfd = null;
        try {
            File file = new File(path);
            pfd = ParcelFileDescriptor
                .open(file, ParcelFileDescriptor.MODE_READ_WRITE | ParcelFileDescriptor.MODE_CREATE);
        } catch (FileNotFoundException e) {
            Log.e(TAG, "Invalid file descriptor.");
        }
}