async Task Detect(global::Android.Net.Uri uri, int requestCode)
{
try
{
using (var bitmap = ContentResolver.LoadSizeLimitedBitmapFromUri(uri))
{
if (bitmap != null)
{
FindViewById(Resource.Id.all_faces).Visibility = ViewStates.Visible;
SetAllButtonsEnabledStatus(false);
var faces = await ExecuteDetection(bitmap);
SetAllButtonsEnabledStatus(true);
switch (requestCode)
{
case REQUEST_ADD_FACE:
if (faces?.Count > 0)
{
faceListAdapter.AddFaces(faces, bitmap);
var textView = FindViewById <TextView> (Resource.Id.text_all_faces);
textView.Text = $"Face database: {faces.Count} face{(faces.Count != 1 ? "s" : "")} in total";
}
break;
case REQUEST_SELECT_IMAGE:
targetFaceListAdapter = new FaceImageListAdapter();
var listView = FindViewById <ListView> (Resource.Id.list_faces);
listView.Adapter = targetFaceListAdapter;
if (faces?.Count > 0)
{
targetFaceListAdapter.AddFaces(faces, bitmap);
// Set the default face ID to the ID of first face, if one or more faces are detected.
targetFaceListAdapter.SetSelectedIndex(0);
// Show the thumbnail of the default face.
var imageView = FindViewById <ImageView> (Resource.Id.image);
imageView.SetImageBitmap(targetFaceListAdapter.GetThumbnailForPosition(0));
}
break;
}
RefreshFindSimilarFaceButtonEnabledStatus();
SetInfo("Detection is done");
}
}
}
catch (Exception e)
{
AddLog(e.Message);
SetInfo("No face detected!");
}
}
async Task ExecuteDetection()
{
try
{
AddLog("Request: Detecting in image");
//progressDialog.Show ();
//progressDialog.SetMessage ("Detecting...");
SetInfo("Detecting...");
var faces = await FaceClient.Shared.DetectFacesInPhoto(
() => bitmap.AsJpegStream(),
true,
FaceAttributeType.Age,
FaceAttributeType.Gender,
FaceAttributeType.Smile,
FaceAttributeType.Glasses,
FaceAttributeType.FacialHair,
FaceAttributeType.Emotion,
FaceAttributeType.HeadPose
);
AddLog($"Response: Success. Detected {faces.Count} face(s) in image");
SetInfo($"{faces.Count} face{(faces.Count != 1 ? "s" : "")} detected");
faceListAdapter = new FaceImageListAdapter(faces, bitmap);
// Set the default face ID to the ID of first face, if one or more faces are detected.
if (faces?.Count > 0)
{
faceListAdapter.SetSelectedIndex(0);
// Show the thumbnail of the default face.
var imageView = FindViewById <ImageView> (Resource.Id.image_0);
imageView.SetImageBitmap(faceListAdapter.GetThumbnailForPosition(0));
SetVerifyButtonEnabledStatus();
}
else
{
SetInfo("No face detected!");
}
// Show the list of detected face thumbnails.
listView_faces.Adapter = faceListAdapter;
listView_faces.Visibility = ViewStates.Visible;
bitmap.Dispose();
bitmap = null;
}
catch (Exception e)
{
AddLog(e.Message);
SetInfo("No face detected!");
}
SetSelectImageButtonEnabledStatus(true);
//progressDialog.Dismiss ();
SetVerifyButtonEnabledStatus();
}
async Task ExecuteDetection(Bitmap bitmap, int index)
{
try
{
AddLog($"Request: Detecting in image {index}");
progressDialog.Show();
progressDialog.SetMessage("Detecting...");
SetInfo("Detecting...");
var faces = await FaceClient.Shared.DetectFacesInPhoto(
() => bitmap.AsJpegStream(),
true,
FaceAttributeType.Age,
FaceAttributeType.Gender,
FaceAttributeType.Smile,
FaceAttributeType.Glasses,
FaceAttributeType.FacialHair,
FaceAttributeType.Emotion,
FaceAttributeType.HeadPose
);
AddLog($"Response: Success. Detected {faces.Count} face(s) in image" + index);
SetInfo($"{faces.Count} face{(faces.Count != 1 ? "s" : "")} detected");
var faceListAdapter = new FaceImageListAdapter(faces, bitmap);
if (faces?.Count != 0)
{
Faces [index] = faces.First();
ImageViewAtIndex(index).SetImageBitmap(faceListAdapter.GetThumbnailForPosition(0));
faceListAdapter.SetSelectedIndex(0);
}
else
{
SetInfo("No face detected!");
}
var listView = ListViewAtIndex(index);
listView.Adapter = faceListAdapter;
listView.Visibility = ViewStates.Visible;
listView.OnItemClickListener = this;
Bitmaps [index] = null;
if (Faces [0] != null && Faces [1] != null)
{
SetVerifyButtonEnabledStatus(true);
}
}
catch (Exception e)
{
AddLog(e.Message);
SetInfo("No face detected!");
}
SetSelectImageButtonEnabledStatus(true, index);
progressDialog.Dismiss();
}
public FaceGroupsAdapter(GroupResult result, FaceImageListAdapter faceListAdapter)
{
this.faceListAdapter = faceListAdapter;
if (result != null)
{
faceGroups = result.Groups;
if (result.MessyGroup != null)
{
faceGroups.Add(result.MessyGroup);
}
}
}
protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
SetContentView(Resource.Layout.activity_grouping);
progressDialog = new ProgressDialog(this);
progressDialog.SetTitle(Application.Context.GetString(Resource.String.progress_dialog_title));
add_faces = FindViewById <Button> (Resource.Id.add_faces);
group = FindViewById <Button> (Resource.Id.group);
view_log = FindViewById <Button> (Resource.Id.view_log);
faceListAdapter = new FaceImageListAdapter();
FindViewById <GridView> (Resource.Id.all_faces).Adapter = faceListAdapter;
SetGroupButtonEnabledStatus(false);
LogHelper.ClearLog(LogType.Grouping);
}
protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
SetContentView(Resource.Layout.activity_find_similar_face);
progressDialog = new ProgressDialog(this);
progressDialog.SetTitle(Application.Context.GetString(Resource.String.progress_dialog_title));
add_faces = FindViewById <Button> (Resource.Id.add_faces);
select_image = FindViewById <Button> (Resource.Id.select_image);
find_similar_faces = FindViewById <Button> (Resource.Id.find_similar_faces);
view_log = FindViewById <Button> (Resource.Id.view_log);
SetFindSimilarFaceButtonEnabledStatus(false);
InitializeFaceList();
faceListAdapter = new FaceImageListAdapter();
FindViewById <GridView> (Resource.Id.all_faces).Adapter = faceListAdapter;
LogHelper.ClearLog(LogType.FindSimilarFaces);
}
public override View GetView(int position, View convertView, ViewGroup parent)
{
if (convertView == null)
{
var layoutInflater = (LayoutInflater)Application.Context.GetSystemService(LayoutInflaterService);
convertView = layoutInflater.Inflate(Resource.Layout.item_face_group, parent, false);
}
convertView.Id = position;
var faceGroup = faceGroups [position];
var faceGroupName = $"{faceGroup.Title}: {faceGroup.Faces.Count} face(s)";
convertView.FindViewById <TextView> (Resource.Id.face_group_name).Text = faceGroupName;
var thumbnails = faceListAdapter.GetThumbnailsForFaceList(faceGroup.Faces);
var facesAdapter = new FaceImageListAdapter(faceGroup.Faces, thumbnails);
var gridView = convertView.FindViewById <EmbeddedGridView> (Resource.Id.faces);
gridView.Adapter = facesAdapter;
return(convertView);
}
public SimilarFaceListAdapter(List <SimilarFaceResult> similarFaceResults, FaceImageListAdapter faceListAdapter)
{
this.similarFaceResults = similarFaceResults;
this.faceListAdapter = faceListAdapter;
}
