Improved face recognition #27

Author: julianschmuckli

app/src/main/java/com/coderbunker/kioskapp/KioskActivity.java

@@ -17,6 +17,7 @@
 import android.view.Window;
 import android.view.WindowManager;
 import android.webkit.SslErrorHandler;
+import android.webkit.WebSettings;
 import android.webkit.WebView;
 import android.webkit.WebViewClient;
 import android.widget.Button;
@@ -42,7 +43,7 @@ public class KioskActivity extends Activity implements Observer {
 
     private final Context context = this;
     private WebView webView;
-    private TextView face_detection_score;
+    private TextView face_detection_score, face_counter_view;
     private static String password = "1234";
     private static String URL = "";
 
@@ -105,6 +106,7 @@ protected void onCreate(Bundle savedInstanceState) {
         //Get the webView and load the URL
         webView = findViewById(R.id.webview);
         face_detection_score = findViewById(R.id.face_detection_score);
+        face_counter_view = findViewById(R.id.face_counter);
         webView.setWebViewClient(new WebViewClient() {
             @Override
             public void onPageFinished(final WebView view, String url) {
@@ -140,6 +142,9 @@ public void onReceivedSslError(WebView view, SslErrorHandler handler, SslError e
             }
         });
         webView.getSettings().setJavaScriptEnabled(true);
+        webView.getSettings().setAppCacheEnabled(true);
+        webView.getSettings().setAppCacheMaxSize(5000 * 1000 * 1000);
+        webView.getSettings().setCacheMode(WebSettings.LOAD_CACHE_ELSE_NETWORK);
         webView.getSettings().setMediaPlaybackRequiresUserGesture(false);
         webView.loadUrl(URL);
 
@@ -455,7 +460,14 @@ private boolean checkCameraHardware(Context context) {
         }
     }
 
+    @Override
+    protected void onPause() {
+        super.onPause();
+    }
+
     private long last_detected = 0;
+    private long face_current_counter = 0;
+    private long face_counter = 0;
 
     @Override
     public void update(Observable o, Object arg) {
@@ -464,10 +476,20 @@ public void update(Observable o, Object arg) {
 
             face_detection_score.setText("Score:" + face.score);
 
-            last_detected = System.currentTimeMillis();
-            if (face.score >= 85 && last_detected <= System.currentTimeMillis() + 5000) {
-                Toast.makeText(context, "Hello face +1", Toast.LENGTH_SHORT).show();
+            if (face.score >= 85) {
+                face_current_counter++;
+            } else {
+                face_current_counter = 0;
+            }
+
+            if (face_current_counter >= 5 && last_detected < System.currentTimeMillis() + 45000) {
+                face_counter++;
+                last_detected = System.currentTimeMillis();
+                face_current_counter = -5000;
             }
+
+            face_counter_view.setText("Viewers: " + face_counter);
+
         }
     }
 }

app/src/main/res/layout/activity_kiosk.xml

@@ -34,6 +34,20 @@
         tools:layout_editor_absoluteX="758dp"
         tools:layout_editor_absoluteY="1123dp" />
 
+    <TextView
+        android:id="@+id/face_counter"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_alignParentBottom="true"
+        android:layout_centerHorizontal="true"
+        android:background="#000"
+        android:text="0"
+        android:textColor="#FFF"
+        android:textSize="18sp"
+        android:visibility="visible"
+        tools:layout_editor_absoluteX="758dp"
+        tools:layout_editor_absoluteY="1123dp" />
+
 </RelativeLayout>