protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
adapter = new TabsAdapter(this, SupportFragmentManager);
pager = FindViewById <ViewPager>(Resource.Id.viewpager);
var tabs = FindViewById <TabLayout>(Resource.Id.tabs);
pager.Adapter = adapter;
tabs.SetupWithViewPager(pager);
pager.OffscreenPageLimit = 3;
pager.PageSelected += (sender, args) =>
{
var fragment = adapter.InstantiateItem(pager, args.Position) as IFragmentVisible;
fragment?.BecameVisible();
};
Toolbar.MenuItemClick += (sender, e) =>
{
var intent = new Intent(this, typeof(AddItemActivity));;
StartActivity(intent);
};
SupportActionBar.SetDisplayHomeAsUpEnabled(false);
SupportActionBar.SetHomeButtonEnabled(false);
var src = new Mat[2];
var dst = new Mat[2];
var keyPoints1 = new MatOfKeyPoint();
var keyPoints2 = new MatOfKeyPoint();
var descripter1 = new Mat();
var descripter2 = new Mat();
var dmatch = new MatOfDMatch();
var output = new Mat();
src[0] = Imgcodecs.Imread("path/to/source/1.png");
src[1] = Imgcodecs.Imread("path/to/source/2.png");
dst[0] = new Mat();
dst[1] = new Mat();
Imgproc.CvtColor(src[0], dst[0], Imgproc.COLORBayerGR2GRAY);
Imgproc.CvtColor(src[1], dst[1], Imgproc.COLORBayerGR2GRAY);
var akaze = FeatureDetector.Create(FeatureDetector.Akaze);
var executor = DescriptorExtractor.Create(DescriptorExtractor.Akaze);
akaze.Detect(dst[0], keyPoints1);
akaze.Detect(dst[1], keyPoints2);
executor.Compute(dst[0], keyPoints1, descripter1);
executor.Compute(dst[1], keyPoints2, descripter2);
var matcher = DescriptorMatcher.Create(DescriptorMatcher.BruteforceHamming);
matcher.Match(descripter1, descripter2, dmatch);
Features2d.DrawMatches(src[0], keyPoints1, src[1], keyPoints2, dmatch, output);
}