protected override void OnActivityResult(int requestCode, Result resultCode, Intent data)
{
base.OnActivityResult(requestCode, resultCode, data);
switch (requestCode)
{
case REQUEST_SELECT_IMAGE:
if (resultCode == Result.Ok)
{
imageUri = data.Data.ToString();
bitmap = ContentResolver.LoadSizeLimitedBitmapFromUri(data.Data);
if (bitmap != null)
{
var image = FindViewById <ImageView> (Resource.Id.image);
image.SetImageBitmap(bitmap);
AddLog($"Image: {imageUri} resized to {bitmap.Width}x{bitmap.Height}");
}
var faceListAdapter = new FaceListAdapter(null, null);
var list_detected_faces = FindViewById <ListView> (Resource.Id.list_detected_faces);
list_detected_faces.Adapter = faceListAdapter;
SetInfo("");
SetDetectButtonEnabledStatus(true);
}
break;
}
}
protected async override void OnActivityResult(int requestCode, Result resultCode, Intent data)
{
base.OnActivityResult(requestCode, resultCode, data);
switch (requestCode)
{
case REQUEST_SELECT_IMAGE:
if (resultCode == Result.Ok)
{
detected = false;
// If image is selected successfully, set the image URI and bitmap.
bitmap = ContentResolver.LoadSizeLimitedBitmapFromUri(data.Data);
if (bitmap != null)
{
// Show the image on screen.
var imageView = FindViewById <ImageView> (Resource.Id.image);
imageView.SetImageBitmap(bitmap);
}
// Clear the identification result.
var emptyFaceListAdapter = new FaceListAdapter(null, null);
var listView = FindViewById <ListView> (Resource.Id.list_identified_faces);
listView.Adapter = emptyFaceListAdapter;
// Clear the information panel.
SetInfo("");
// Start detecting in image.
await Detect();
}
break;
}
}
public void OnItemClick(AdapterView parent, View view, int position, long id)
{
FaceListAdapter faceListAdapter = activity.mTargetFaceListAdapter;
if (!faceListAdapter.faces[position].FaceId.Equals(activity.mFaceId))
{
activity.mFaceId = faceListAdapter.faces[position].FaceId;
ImageView imageView = (ImageView)activity.FindViewById(Resource.Id.image);
imageView.SetImageBitmap(faceListAdapter.faceThumbnails[position]);
// Clear the result of finding similar faces.
GridView similarFaces = (GridView)activity.FindViewById(Resource.Id.similar_faces);
activity.mSimilarFaceListAdapter = new SimilarFaceListAdapter(null, activity);
similarFaces.Adapter = activity.mSimilarFaceListAdapter;
similarFaces = (GridView)activity.FindViewById(Resource.Id.facial_similar_faces);
activity.mSimilarFaceListAdapter = new SimilarFaceListAdapter(null, activity);
similarFaces.Adapter = activity.mSimilarFaceListAdapter;
activity.SetInfo("");
}
// Show the list of detected face thumbnails.
ListView listView = (ListView)activity.FindViewById(Resource.Id.list_faces);
listView.Adapter = faceListAdapter;
}
private void SetUiAfterDetectionForSelectImage(Face[] result)
{
SetAllButtonsEnabledStatus(true);
// Show the detailed list of detected faces.
mTargetFaceListAdapter = new FaceListAdapter(this);
mTargetFaceListAdapter.AddFaces(result, mTargetBitmap);
// Show the list of detected face thumbnails.
ListView listView = (ListView)FindViewById(Resource.Id.list_faces);
listView.Adapter = mTargetFaceListAdapter;
// Set the default face ID to the ID of first face, if one or more faces are detected.
if (mTargetFaceListAdapter.faces.Count != 0)
{
mFaceId = mTargetFaceListAdapter.faces[0].FaceId;
// Show the thumbnail of the default face.
ImageView imageView = (ImageView)FindViewById(Resource.Id.image);
imageView.SetImageBitmap(mTargetFaceListAdapter.faceThumbnails[0]);
}
RefreshFindSimilarFaceButtonEnabledStatus();
mTargetBitmap = null;
// Set the status bar.
SetDetectionStatus();
}
private void InitializeFaceList(int index)
{
ListView listView = (ListView)FindViewById(index == 0 ? Resource.Id.list_faces_0 : Resource.Id.list_faces_1);
listView.ItemClick += (sender, e) =>
{
FaceListAdapter faceListAdapter = index == 0 ? mFaceListAdapter0 : mFaceListAdapter1;
if (!faceListAdapter.faces[e.Position].FaceId.Equals(
index == 0 ? mFaceId0 : mFaceId1))
{
if (index == 0)
{
mFaceId0 = faceListAdapter.faces[e.Position].FaceId;
}
else
{
mFaceId1 = faceListAdapter.faces[e.Position].FaceId;
}
ImageView imageView = (ImageView)FindViewById(index == 0 ? Resource.Id.image_0 : Resource.Id.image_1);
imageView.SetImageBitmap(faceListAdapter.faceThumbnails[e.Position]);
SetInfo("");
}
// Show the list of detected face thumbnails.
ListView lv = (ListView)FindViewById(index == 0 ? Resource.Id.list_faces_0 : Resource.Id.list_faces_1);
lv.Adapter = faceListAdapter;
};
}
protected override void OnActivityResult(int requestCode, Result resultCode, Intent data)
{
base.OnActivityResult(requestCode, resultCode, data);
switch (requestCode)
{
case (int)REQUEST_SELECT_IMAGE:
if (resultCode == Result.Ok)
{
mImageUri = data.Data;
mBitmap = ImageHelper.LoadSizeLimitedBitmapFromUri(mImageUri, this.ContentResolver);
if (mBitmap != null)
{
ImageView image = FindViewById <ImageView>(Resource.Id.image);
image.SetImageBitmap(mBitmap);
AddLog("Image: " + mImageUri + " resized to " + mBitmap.Width + "x" + mBitmap.Height);
}
FaceListAdapter faceListAdapter = new FaceListAdapter(null, this);
ListView list_detected_faces = FindViewById <ListView>(Resource.Id.list_detected_faces);
list_detected_faces.Adapter = faceListAdapter;
SetInfo("");
SetDetectButtonEnabledStatus(true);
}
break;
default:
break;
}
}
private void SetUiAfterDetection(Face[] result, bool succeed, ListView list_detected_faces)
{
mProgressDialog.Dismiss();
SetAllButtonsEnabledStatus(true);
SetDetectButtonEnabledStatus(false);
if (succeed)
{
string detectionResult;
if (result != null)
{
detectionResult = result.Length + " face"
+ (result.Length != 1 ? "s" : "") + " detected";
ImageView image = FindViewById <ImageView>(Resource.Id.image);
image.SetImageBitmap(ImageHelper.DrawFaceRectanglesOnBitmap(mBitmap, result, true));
FaceListAdapter faceListAdapter = new FaceListAdapter(result, this);
list_detected_faces.Adapter = faceListAdapter;
}
else
{
detectionResult = "0 face detected";
}
SetInfo(detectionResult);
}
mImageUri = null;
mBitmap = null;
}
private void SetUiAfterDetection(Face[] result, int index, bool succeed)
{
SetSelectImageButtonEnabledStatus(true, index);
if (succeed)
{
AddLog("Response: Success. Detected " + result.Length + " face(s) in image" + index);
SetInfo(result.Length + " face" + (result.Length != 1 ? "s" : "") + " detected");
FaceListAdapter faceListAdapter = new FaceListAdapter(result, index, this);
if (faceListAdapter.faces.Count != 0)
{
if (index == 0)
{
mFaceId0 = faceListAdapter.faces[0].FaceId;
}
else
{
mFaceId1 = faceListAdapter.faces[0].FaceId;
}
ImageView imageView = (ImageView)FindViewById(index == 0 ? Resource.Id.image_0 : Resource.Id.image_1);
imageView.SetImageBitmap(faceListAdapter.faceThumbnails[0]);
}
ListView listView = (ListView)FindViewById(index == 0 ? Resource.Id.list_faces_0 : Resource.Id.list_faces_1);
listView.Adapter = faceListAdapter;
listView.Visibility = ViewStates.Visible;
if (index == 0)
{
mFaceListAdapter0 = faceListAdapter;
mBitmap0 = null;
}
else
{
mFaceListAdapter1 = faceListAdapter;
mBitmap1 = null;
}
}
if (result != null && result.Length == 0)
{
SetInfo("No face detected!");
}
if ((index == 0 && mBitmap1 == null) || (index == 1 && mBitmap0 == null) || index == 2)
{
mProgressDialog.Dismiss();
}
if (mFaceId0 != null && mFaceId1 != null)
{
SetVerifyButtonEnabledStatus(true);
}
}
async Task ExecuteDetection()
{
try
{
//progressDialog.Show ();
//progressDialog.SetMessage ("Detecting...");
SetInfo("Detecting...");
AddLog($"Request: Detecting in image {imageUri}");
var faces = await FaceClient.Shared.DetectFacesInPhoto(
() => bitmap.AsJpegStream(),
true,
FaceAttributeType.Age,
FaceAttributeType.Gender,
FaceAttributeType.Smile,
FaceAttributeType.Glasses,
FaceAttributeType.FacialHair,
FaceAttributeType.Emotion,
FaceAttributeType.HeadPose);
// Show the result on screen when detection is done.
var list_detected_faces = FindViewById <ListView> (Resource.Id.list_detected_faces);
string detectionResult = "0 face detected";
if (faces?.Count > 0)
{
detectionResult = $"{faces.Count} face{(faces.Count != 1 ? "s" : "")} detected";
AddLog($"Response: Success. {detectionResult} in {imageUri}");
var image = FindViewById <ImageView> (Resource.Id.image);
image.SetImageBitmap(bitmap.DrawFaceRectangles(faces, true));
var faceListAdapter = new FaceListAdapter(faces, bitmap);
list_detected_faces.Adapter = faceListAdapter;
}
SetInfo(detectionResult);
}
catch (Exception e)
{
AddLog(e.Message);
}
//progressDialog.Dismiss ();
SetAllButtonsEnabledStatus(true);
SetDetectButtonEnabledStatus(false);
imageUri = null;
bitmap.Dispose();
bitmap = null;
}
private void SetUiAfterDetection(Face[] result, bool succeed)
{
SetSelectImageButtonEnabledStatus(true);
if (succeed)
{
AddLog("Response: Success. Detected " + result.Length + " face(s) in image");
SetInfo(result.Length + " face" + (result.Length != 1 ? "s" : "") + " detected");
// Show the detailed list of detected faces.
FaceListAdapter faceListAdapter = new FaceListAdapter(result, this);
// Set the default face ID to the ID of first face, if one or more faces are detected.
if (faceListAdapter.faces.Count != 0)
{
mFaceId = faceListAdapter.faces[0].FaceId;
// Show the thumbnail of the default face.
ImageView imageView = (ImageView)FindViewById(Resource.Id.image_0);
imageView.SetImageBitmap(faceListAdapter.faceThumbnails[0]);
RefreshVerifyButtonEnabledStatus();
}
// Show the list of detected face thumbnails.
ListView listView = (ListView)FindViewById(Resource.Id.list_faces_0);
listView.Adapter = faceListAdapter;
listView.Visibility = ViewStates.Visible;
// Set the face list adapters and bitmaps.
mFaceListAdapter = faceListAdapter;
mBitmap = null;
}
if (result != null && result.Length == 0)
{
SetInfo("No face detected!");
}
mProgressDialog.Dismiss();
if (mFaceId != null && mPersonGroupId != null)
{
SetVerifyButtonEnabledStatus(true);
}
}
private void ListView_Faces_0_ItemClick(object sender, AdapterView.ItemClickEventArgs e)
{
FaceListAdapter faceListAdapter = mFaceListAdapter;
if (!faceListAdapter.faces[e.Position].FaceId.Equals(mFaceId))
{
mFaceId = faceListAdapter.faces[e.Position].FaceId;
ImageView imageView = (ImageView)FindViewById(Resource.Id.image_0);
imageView.SetImageBitmap(faceListAdapter.faceThumbnails[e.Position]);
SetInfo("");
}
ListView listView = (ListView)FindViewById(Resource.Id.list_faces_0);
listView.Adapter = faceListAdapter;
}
protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
// Create your application here
SetContentView(Resource.Layout.activity_grouping);
mProgressDialog = new ProgressDialog(this);
mProgressDialog.SetTitle(Application.Context.GetString(Resource.String.progress_dialog_title));
add_faces = (Button)FindViewById(Resource.Id.add_faces);
group = (Button)FindViewById(Resource.Id.group);
view_log = (Button)FindViewById(Resource.Id.view_log);
mFaceListAdapter = new FaceListAdapter(this);
SetGroupButtonEnabledStatus(false);
LogHelper.ClearGroupingLog();
}
protected override void OnActivityResult(int requestCode, Result resultCode, Intent data)
{
base.OnActivityResult(requestCode, resultCode, data);
switch (requestCode)
{
case REQUEST_SELECT_IMAGE:
if (resultCode == Result.Ok)
{
detected = false;
// If image is selected successfully, set the image URI and bitmap.
Android.Net.Uri imageUri = data.Data;
mBitmap = ImageHelper.LoadSizeLimitedBitmapFromUri(
imageUri, this.ContentResolver);
if (mBitmap != null)
{
// Show the image on screen.
ImageView imageView = (ImageView)FindViewById(Resource.Id.image);
imageView.SetImageBitmap(mBitmap);
}
// Clear the identification result.
FaceListAdapter faceListAdapter = new FaceListAdapter(null, this);
ListView listView = (ListView)FindViewById(Resource.Id.list_identified_faces);
listView.Adapter = faceListAdapter;
// Clear the information panel.
SetInfo("");
// Start detecting in image.
Detect();
}
break;
default:
break;
}
}
protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
// Create your application here
SetContentView(Resource.Layout.activity_find_similar_face);
mFaceListAdapter = new FaceListAdapter(this);
mProgressDialog = new ProgressDialog(this);
mProgressDialog.SetTitle(Application.Context.GetString(Resource.String.progress_dialog_title));
add_faces = (Button)FindViewById(Resource.Id.add_faces);
select_image = (Button)FindViewById(Resource.Id.select_image);
find_similar_faces = (Button)FindViewById(Resource.Id.find_similar_faces);
view_log = (Button)FindViewById(Resource.Id.view_log);
SetFindSimilarFaceButtonEnabledStatus(false);
InitializeFaceList();
LogHelper.ClearFindSimilarFaceLog();
}
async Task ExecuteDetection()
{
try
{
progressDialog.Show();
progressDialog.SetMessage("Detecting...");
SetInfo("Detecting...");
var faces = await FaceClient.Shared.DetectFacesInPhoto(() => bitmap.AsJpegStream());
SetAllButtonsEnabledStatus(true);
faceListAdapter = new FaceListAdapter(faces, bitmap);
var listView = FindViewById <ListView> (Resource.Id.list_identified_faces);
listView.Adapter = faceListAdapter;
if (faces?.Count > 0)
{
detected = true;
SetInfo("Click on the \"Identify\" button to identify the faces in image.");
}
else
{
detected = false;
SetInfo("No faces detected!");
}
}
catch (Exception e)
{
detected = false;
AddLog(e.Message);
}
progressDialog.Dismiss();
RefreshIdentifyButtonEnabledStatus();
}
private async void ExecuteDetection()
{
Face[] faces = null;
mProgressDialog.Show();
//AddLog("Request: Detecting in image " + mImageUri);
try
{
var faceClient = new FaceClient();
using (MemoryStream pre_output = new MemoryStream())
{
mBitmap.Compress(Bitmap.CompressFormat.Jpeg, 100, pre_output);
using (ByteArrayInputStream inputStream = new ByteArrayInputStream(pre_output.ToArray()))
{
byte[] arr = new byte[inputStream.Available()];
inputStream.Read(arr);
var output = new MemoryStream(arr);
mProgressDialog.SetMessage("Detecting...");
SetInfo("Detecting...");
faces = await faceClient.Detect(output, true, false, null);
}
}
}
catch (Java.Lang.Exception e)
{
AddLog(e.Message);
}
RunOnUiThread(() =>
{
mProgressDialog.Dismiss();
SetAllButtonsEnabledStatus(true);
if (faces != null)
{
// Set the adapter of the ListView which contains the details of detected faces.
mFaceListAdapter = new FaceListAdapter(faces, this);
ListView listView = (ListView)FindViewById(Resource.Id.list_identified_faces);
listView.Adapter = mFaceListAdapter;
if (faces.Count() == 0)
{
detected = false;
SetInfo("No faces detected!");
}
else
{
detected = true;
SetInfo("Click on the \"Identify\" button to identify the faces in image.");
}
}
else
{
detected = false;
}
RefreshIdentifyButtonEnabledStatus();
});
}
