update

src/main/java/com/oliveapp/liveness/sample/liveness/view_controller/LivenessDetectionActivity.java

@@ -38,6 +38,12 @@ public class LivenessDetectionActivity extends LivenessDetectionMainActivity {
         }
     }
 
+    public static String getFaceData(Context context) {
+        SharedPreferences preferences = context.getSharedPreferences(SP_NAME, Activity.MODE_PRIVATE);
+        return preferences.getString(FACE_DATA, "");
+    }
+
+
     public static final String FAILED_MSG = "failed_msg";