public override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
AssetManager assets = Activity.Assets;
var filesToCopy = new string[] { "runtime_data/openalpr.conf"
, "runtime_data/region/eu.xml" };
var AndroidDataDir = Android.App.Application.Context.DataDir.AbsolutePath;
var runtimeFolder = new Java.IO.File(AndroidDataDir, "/files/runtime_data");
var renamedRuntimeFolder = new Java.IO.File(AndroidDataDir, "runtime_data");
runtimeFolder.RenameTo(renamedRuntimeFolder);
var list = renamedRuntimeFolder.List();
OpenALPRConfigFile = AndroidDataDir + "/runtime_data/openalpr.conf";
var f = new Java.IO.File(AndroidDataDir);
var flist = f.List();
var lib = new Java.IO.File(f, "lib");
var liblist = lib.List();
mStateCallback = new CameraStateListener(this);
mSurfaceTextureListener = new Camera2BasicSurfaceTextureListener(this);
OpenALPRInstance = new OpenALPR(this.Activity, AndroidDataDir, OpenALPRConfigFile, "eu", "ua");
// fill ORIENTATIONS list
ORIENTATIONS.Append((int)SurfaceOrientation.Rotation0, 90);
ORIENTATIONS.Append((int)SurfaceOrientation.Rotation90, 0);
ORIENTATIONS.Append((int)SurfaceOrientation.Rotation180, 270);
ORIENTATIONS.Append((int)SurfaceOrientation.Rotation270, 180);
}