create file xamarin forms code example

Example 1: how to save file on shared file xamarin forms

string documentsPath = Environment.GetFolderPath(Environment.SpecialFolder.MyPictures);
   string localFilename = "downloaded.jpg";
   string localPath = Path.Combine(documentsPath, localFilename);
   File.WriteAllBytes(localPath, bytes);

Example 2: how to save file on shared file xamarin forms

<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />