Face ID real detect face and pay, works

pos_android_app/build.gradle

@@ -139,4 +139,12 @@ dependencies {
     implementation 'org.eclipse.paho:org.eclipse.paho.android.service:1.1.1'
 
     implementation "org.java-websocket:Java-WebSocket:1.5.2"
+
+    // ML Kit Face Detection
+    implementation 'com.google.mlkit:face-detection:16.1.6'
+
+    // CameraX (optional but recommended for better camera handling)
+//    implementation "androidx.camera:camera-camera2:1.3.2"
+//    implementation "androidx.camera:camera-lifecycle:1.3.2"
+//    implementation "androidx.camera:camera-view:1.3.2"
 }

pos_android_app/src/main/java/com/dspread/pos/faceID/FaceIDHelper.java

@@ -1,8 +1,9 @@
-package com.dspread.pos.utils;
+package com.dspread.pos.faceID;
 
 import android.Manifest;
 import android.content.Context;
 import android.content.pm.PackageManager;
+import android.graphics.Bitmap;
 import android.graphics.SurfaceTexture;
 import android.hardware.camera2.CameraAccessException;
 import android.hardware.camera2.CameraCaptureSession;
@@ -12,10 +13,10 @@ import android.hardware.camera2.CameraManager;
 import android.hardware.camera2.CaptureRequest;
 import android.os.Handler;
 import android.os.HandlerThread;
-import android.util.Size;
+import android.util.Log;
 import android.view.Surface;
 import android.view.TextureView;
-import android.widget.Toast;
+
 import androidx.annotation.NonNull;
 import androidx.core.app.ActivityCompat;
 import java.util.Arrays;
@@ -23,6 +24,7 @@ import java.util.Arrays;
 public class FaceIDHelper implements TextureView.SurfaceTextureListener {
 
     private static final int REQUEST_CAMERA_PERMISSION = 200;
+    private static final int DETECTION_INTERVAL_MS = 1000; // Check every second
 
     private Context context;
     private TextureView textureView;
@@ -35,8 +37,10 @@ public class FaceIDHelper implements TextureView.SurfaceTextureListener {
 
     private Handler backgroundHandler;
     private HandlerThread backgroundThread;
-
     private String frontCameraId;
+    private RealFaceDetector realFaceDetector;
+    private Handler detectionHandler;
+    private Runnable detectionRunnable;
 
     public interface FaceIDCallback {
         void onFaceDetected();
@@ -48,6 +52,26 @@ public class FaceIDHelper implements TextureView.SurfaceTextureListener {
         this.textureView = textureView;
         this.callback = callback;
         this.cameraManager = (CameraManager) context.getSystemService(Context.CAMERA_SERVICE);
+
+        // Initialize real face detector
+        realFaceDetector = new RealFaceDetector(context, new RealFaceDetector.FaceDetectionCallback() {
+            @Override
+            public void onFaceDetected() {
+                if (callback != null) {
+                    callback.onFaceDetected();
+                }
+            }
+
+            @Override
+            public void onFaceDetectionError(String error) {
+                Log.d("FaceIDHelper", "Face detection error: " + error);
+            }
+
+            @Override
+            public void onNoFaceDetected() {
+                // Continue detection
+            }
+        });
     }
 
     public void startCamera() {
@@ -91,6 +115,7 @@ public class FaceIDHelper implements TextureView.SurfaceTextureListener {
     @Override
     public void onSurfaceTextureAvailable(SurfaceTexture surface, int width, int height) {
         openCamera();
+        startFaceDetection();
     }
 
     @Override
@@ -98,6 +123,7 @@ public class FaceIDHelper implements TextureView.SurfaceTextureListener {
 
     @Override
     public boolean onSurfaceTextureDestroyed(SurfaceTexture surface) {
+        stopFaceDetection();
         return false;
     }
 
@@ -124,8 +150,6 @@ public class FaceIDHelper implements TextureView.SurfaceTextureListener {
         public void onOpened(@NonNull CameraDevice camera) {
             cameraDevice = camera;
             createCameraPreview();
-            // Simulate face detection after camera opens
-            simulateFaceDetection();
         }
 
         @Override
@@ -181,13 +205,28 @@ public class FaceIDHelper implements TextureView.SurfaceTextureListener {
         }
     }
 
-    private void simulateFaceDetection() {
+    private void startFaceDetection() {
-        // Simulate face detection after 3 seconds
+        detectionHandler = new Handler();
-        new Handler().postDelayed(() -> {
+        detectionRunnable = new Runnable() {
-            if (callback != null) {
+            @Override
-                callback.onFaceDetected();
+            public void run() {
+                if (textureView.isAvailable()) {
+                    Bitmap frameBitmap = textureView.getBitmap();
+                    if (frameBitmap != null) {
+                        realFaceDetector.detectFaces(frameBitmap);
                     }
-        }, 18000);
+                }
+                detectionHandler.postDelayed(this, DETECTION_INTERVAL_MS);
+            }
+        };
+        detectionHandler.postDelayed(detectionRunnable, DETECTION_INTERVAL_MS);
+    }
+
+    private void stopFaceDetection() {
+        if (detectionHandler != null && detectionRunnable != null) {
+            detectionHandler.removeCallbacks(detectionRunnable);
+        }
+        realFaceDetector.stop();
     }
 
     public void startBackgroundThread() {
@@ -197,6 +236,7 @@ public class FaceIDHelper implements TextureView.SurfaceTextureListener {
     }
 
     public void stopBackgroundThread() {
+        stopFaceDetection();
         if (backgroundThread != null) {
             backgroundThread.quitSafely();
             try {
@@ -210,6 +250,7 @@ public class FaceIDHelper implements TextureView.SurfaceTextureListener {
     }
 
     public void closeCamera() {
+        stopFaceDetection();
         if (cameraCaptureSession != null) {
             cameraCaptureSession.close();
             cameraCaptureSession = null;

pos_android_app/src/main/java/com/dspread/pos/faceID/RealFaceDetector.java

@@ -0,0 +1,132 @@
+package com.dspread.pos.faceID;
+
+import android.content.Context;
+import android.graphics.Bitmap;
+import android.graphics.Rect;
+
+import com.google.mlkit.vision.common.InputImage;
+import com.google.mlkit.vision.face.Face;
+import com.google.mlkit.vision.face.FaceDetection;
+import com.google.mlkit.vision.face.FaceDetector;
+import com.google.mlkit.vision.face.FaceDetectorOptions;
+import java.util.List;
+
+public class RealFaceDetector {
+
+    private FaceDetector faceDetector;
+    private FaceDetectionCallback callback;
+    private boolean isDetecting = false;
+
+    public interface FaceDetectionCallback {
+        void onFaceDetected();
+        void onFaceDetectionError(String error);
+        void onNoFaceDetected();
+    }
+
+    public RealFaceDetector(Context context, FaceDetectionCallback callback) {
+        this.callback = callback;
+        initializeFaceDetector();
+    }
+
+    private void initializeFaceDetector() {
+        // High-accuracy landmark detection and face classification
+        FaceDetectorOptions options = new FaceDetectorOptions.Builder()
+                .setPerformanceMode(FaceDetectorOptions.PERFORMANCE_MODE_ACCURATE)
+                .setContourMode(FaceDetectorOptions.CONTOUR_MODE_ALL)
+                .setLandmarkMode(FaceDetectorOptions.LANDMARK_MODE_ALL)
+                .setClassificationMode(FaceDetectorOptions.CLASSIFICATION_MODE_ALL)
+                .setMinFaceSize(0.15f) // Minimum face size (15% of image width)
+                .enableTracking() // Enable face tracking for better performance
+                .build();
+////        Use a different face detection approach (offline-only)
+////        the bundled version:
+//        .setPerformanceMode(FaceDetectorOptions.PERFORMANCE_MODE_FAST)
+//                .setContourMode(FaceDetectorOptions.CONTOUR_MODE_NONE)
+//                .setLandmarkMode(FaceDetectorOptions.LANDMARK_MODE_NONE)
+//                .setClassificationMode(FaceDetectorOptions.CLASSIFICATION_MODE_NONE)
+//                .build();
+
+        faceDetector = FaceDetection.getClient(options);
+    }
+
+    public void detectFaces(Bitmap bitmap) {
+        if (isDetecting) return;
+
+        isDetecting = true;
+        InputImage image = InputImage.fromBitmap(bitmap, 0); // 0 rotation
+
+        faceDetector.process(image)
+                .addOnSuccessListener(faces -> {
+                    isDetecting = false;
+                    handleDetectionResult(faces);
+                })
+                .addOnFailureListener(e -> {
+                    isDetecting = false;
+                    if (callback != null) {
+                        callback.onFaceDetectionError("Face detection failed: " + e.getMessage());
+                    }
+                });
+    }
+
+    private void handleDetectionResult(List<Face> faces) {
+        if (faces == null || faces.isEmpty()) {
+            if (callback != null) {
+                callback.onNoFaceDetected();
+            }
+            return;
+        }
+
+        // Check if we have at least one good quality face
+        for (Face face : faces) {
+            if (isGoodQualityFace(face)) {
+                if (callback != null) {
+                    callback.onFaceDetected();
+                }
+                return;
+            }
+        }
+
+        // If we reach here, faces were detected but not good quality
+        if (callback != null) {
+            callback.onNoFaceDetected();
+        }
+    }
+
+    private boolean isGoodQualityFace(Face face) {
+        // Check if face has good confidence (not occluded, good lighting)
+        // You can adjust these thresholds based on your requirements
+
+        // Check if eyes are open (if classification is available)
+        if (face.getLeftEyeOpenProbability() != null &&
+                face.getLeftEyeOpenProbability() < 0.3f) {
+            return false; // Eye probably closed
+        }
+
+        if (face.getRightEyeOpenProbability() != null &&
+                face.getRightEyeOpenProbability() < 0.3f) {
+            return false; // Eye probably closed
+        }
+
+        // Check if smiling (optional, depends on your use case)
+        if (face.getSmilingProbability() != null &&
+                face.getSmilingProbability() < 0.1f) {
+            // Not smiling, but this might not be necessary for payment
+        }
+
+        // Check face bounding box size (should be reasonably large)
+        Rect bounds = face.getBoundingBox();
+        float sizeRatio = (float) bounds.width() * bounds.height() / (1000 * 1000); // Example ratio
+        if (sizeRatio < 0.1f) {
+            return false; // Face too small
+        }
+
+        return true; // Good quality face
+    }
+
+    public void stop() {
+        if (faceDetector != null) {
+            faceDetector.close();
+        }
+        isDetecting = false;
+    }
+}

pos_android_app/src/main/java/com/dspread/pos/ui/payment/PaymentActivity.java

@@ -4,7 +4,6 @@ import android.app.Dialog;
 import android.content.Intent;
 import android.graphics.Bitmap;
 import android.os.Bundle;
-import android.os.Handler;
 import android.text.Spanned;
 import android.text.method.LinkMovementMethod;
 import android.util.Base64;
@@ -13,17 +12,12 @@ import android.view.TextureView;
 import android.view.View;
 import android.view.ViewGroup;
 import android.view.ViewTreeObserver;
-import android.widget.AdapterView;
 import android.widget.ArrayAdapter;
 import android.widget.ImageButton;
 import android.widget.ListView;
 
-import androidx.lifecycle.Observer;
-
 import com.alibaba.fastjson.JSONException;
 import com.alibaba.fastjson.JSONObject;
-import com.dspread.pos.TerminalApplication;
-import com.dspread.pos.common.enums.TransCardMode;
 import com.dspread.pos.common.manager.QPOSCallbackManager;
 import com.dspread.pos.posAPI.POS;
 import com.dspread.pos.posAPI.PaymentServiceCallback;
@@ -33,7 +27,6 @@ import com.dspread.pos.ui.payment.pinkeyboard.MyKeyboardView;
 import com.dspread.pos.ui.payment.pinkeyboard.PinPadDialog;
 import com.dspread.pos.ui.payment.pinkeyboard.PinPadView;
 import com.dspread.pos.utils.BitmapReadyListener;
-import com.dspread.pos.utils.DevUtils;
 import com.dspread.pos.utils.DeviceUtils;
 import com.dspread.pos.utils.HandleTxnsResultUtils;
 import com.dspread.pos.utils.LogFileConfig;
@@ -58,12 +51,10 @@ import me.goldze.mvvmhabit.utils.SPUtils;
 import me.goldze.mvvmhabit.utils.ToastUtils;
 
 // Add these imports at the top
-import androidx.databinding.DataBindingUtil;
 import android.widget.FrameLayout;
 import com.dspread.pos_android_app.databinding.WaitingForCardBinding; // Generated binding class
 
-import android.widget.FrameLayout;
+import com.dspread.pos.faceID.FaceIDHelper;
-import com.dspread.pos.utils.FaceIDHelper;
 
 
 public class PaymentActivity extends BaseActivity<ActivityPaymentBinding, PaymentViewModel> implements PaymentServiceCallback {
@@ -175,7 +166,7 @@ public class PaymentActivity extends BaseActivity<ActivityPaymentBinding, Paymen
 
         waitingViewModel.faceIDSuccess.observe(this, success -> {
             if (success != null && success) {
-                simulatePaymentAfterDelay();
+//                simulatePaymentAfterDelay();
             }
         });
 
@@ -221,15 +212,20 @@ public class PaymentActivity extends BaseActivity<ActivityPaymentBinding, Paymen
         faceIDHelper = new FaceIDHelper(this, textureView, new FaceIDHelper.FaceIDCallback() {
             @Override
             public void onFaceDetected() {
+                Log.d("FaceDetection", "✅ Face detected successfully!");
                 runOnUiThread(() -> {
                     // Face detected - proceed with payment
                     closeFaceIDCamera();
-                    waitingViewModel.simulateFaceIDSuccess();
+//                    waitingViewModel.simulateFaceIDSuccess();
+
+                    FaceIDMood = true;
+                    POS.getInstance().cancelTrade();
                 });
             }
 
             @Override
             public void onCameraError(String error) {
+                Log.e("FaceDetection", "❌ Face detection error: " + error);
                 runOnUiThread(() -> {
                     ToastUtils.showShort(error);
                     closeFaceIDCamera();
@@ -287,7 +283,7 @@ public class PaymentActivity extends BaseActivity<ActivityPaymentBinding, Paymen
                                     binding.btnSendReceipt.setVisibility(View.VISIBLE);
                                 }
                             },
-                            200 // 10 second delay
+                            50 // 10 second delay
                     );
                 }
             });

pos_android_app/src/main/java/com/dspread/pos/ui/payment/WaitingForCardViewModel.java

@@ -51,7 +51,7 @@ public class WaitingForCardViewModel extends BaseViewModel {
     }
     public void generateQRCode(String paymentData) {
         try {
-            Bitmap qrCode = QRCodeGenerator.generateQRCode(paymentData, 500, 500);
+            Bitmap qrCode = QRCodeGenerator.generateQRCode(paymentData, 300, 300);
             if (qrCode != null) {
                 qrCodeBitmap.set(qrCode);
                 Log.d("QRCode", "QR code generated successfully");

pos_android_app/src/main/res/layout/waiting_for_card.xml

@@ -106,7 +106,7 @@
                                 <pl.droidsonroids.gif.GifImageView
                                     android:layout_width="98dp"
                                     android:layout_height="124dp"
-                                    android:src="@drawable/faceid_180px" />
+                                    android:src="@drawable/faceid" />
                             </LinearLayout>
                         </androidx.cardview.widget.CardView>
 
@@ -194,17 +194,46 @@
             android:id="@+id/camera_container"
             android:layout_width="match_parent"
             android:layout_height="match_parent"
-            android:visibility="gone"
+            android:gravity="center"
+            android:visibility="visible"
             android:background="@android:color/black">
 
             <!-- Camera Preview will be added here programmatically -->
 
+            <FrameLayout
+                android:id="@+id/camera_preview_holder"
+                android:layout_width="match_parent"
+                android:layout_height="0dp"
+                android:layout_weight="1"
+                android:scaleType="centerCrop"
+                android:layout_gravity="center">
+
+                <!-- Camera Preview will be added here -->
+
+            </FrameLayout>
+
+            <TextView
+                android:id="@+id/amountOnCamera"
+
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_margin="24dp"
+                android:padding="10dp"
+
+                android:text="@{vm.amount + ` `+vm.currencySymbol}"
+                android:textSize="36sp"
+                android:textStyle="bold"
+                android:background="@drawable/rounded_bg_black_50"
+                android:textColor="@color/white"
+                tools:text="100.00" />
+
+
             <!-- Close button for camera -->
             <ImageButton
                 android:id="@+id/btn_close_camera"
                 android:layout_width="48dp"
                 android:layout_height="48dp"
-                android:layout_margin="24dp"
+                android:layout_margin="37dp"
                 android:src="@drawable/ic_close_white"
                 android:background="@drawable/rounded_bg_black_50"
                 android:scaleType="center"
@@ -223,7 +252,7 @@
                 android:layout_gravity="center"
                 android:padding="16dp"
                 android:background="@drawable/rounded_bg_black_50"
-                android:visibility="visible" />
+                android:visibility="gone" />
 
         </FrameLayout>
     </FrameLayout>