string documentsPath = Environment.GetFolderPath(Environment.SpecialFolder.MyPictures); string localFilename = "downloaded.jpg"; string localPath = Path.Combine(documentsPath, localFilename); File.WriteAllBytes(localPath, bytes);
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" /> <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />