优化

app/src/main/java/com/sw/platecabinet/activity/LoginByFaceActivity.kt

@@ -54,7 +54,6 @@ import com.sw.platecabinet.utils.BitmapSaver
 import com.sw.platecabinet.utils.CountDownUtil
 import com.sw.platecabinet.utils.Debouncer
 import com.sw.platecabinet.utils.LogFileUtil
-import com.sw.platecabinet.utils.PlateUtils
 import com.sw.platecabinet.utils.RegisterCallbackHandler
 import com.sw.platecabinet.utils.SoundPoolUtil
 import com.sw.platecabinet.utils.mego.PlcCallback
@@ -295,7 +294,7 @@ class LoginByFaceActivity : BaseActivity<ActivityLoginFaceBinding>(),
         }
 
         recognizeViewModel.recognizeUserId.observe(this) { result: CompareResult? ->
-            loadLogInfo("collectFace,recognizeUserId observe userId = ${result?.faceEntity?.userName}")
+            loadLogInfo("collectFace,recognizeUserId observe userId=${result?.faceEntity?.userName},similar=${result?.similar},userType=${result?.faceEntity?.userType}")
             loadFaceRecognizeResult3(result)
         }
 
@@ -319,7 +318,7 @@ class LoginByFaceActivity : BaseActivity<ActivityLoginFaceBinding>(),
      */
     private val faceSuccessThreshold by lazy { ConfigUtil.getRecognizeThreshold(this) }
 
-    private val openPlateDebouncer = Debouncer(5000)
+    private val openPlateDebouncer = Debouncer(3000)
     private val isCollecting = AtomicBoolean(false)
 
     private fun loadFaceRecognizeResult3(result: CompareResult?) {
@@ -371,7 +370,7 @@ class LoginByFaceActivity : BaseActivity<ActivityLoginFaceBinding>(),
         currentUserId = userId
 
         // 防抖，防止重复开闸
-        openPlateDebouncer.debounce {
+        openPlateDebouncer.debounce("openPlateDebouncer") {
             openPlate(userId)
         }
     }
@@ -400,6 +399,8 @@ class LoginByFaceActivity : BaseActivity<ActivityLoginFaceBinding>(),
             text = "新用户采集"
         }
         binding.ivCollectPhoto.gone()
+        openPlateDebouncer.reset()
+        plateEnable = true
         resumeCamera()
     }
 
@@ -409,9 +410,9 @@ class LoginByFaceActivity : BaseActivity<ActivityLoginFaceBinding>(),
      * 打开餐盘柜：先获取 PLC 状态，有盘则出盘，无盘则播放提示音
      */
     private fun openPlate(userId: String?) {
+        loadLogInfo("collectFace,openPlate: userId=$userId,plateEnable=$plateEnable")
         if (plateEnable.not()) return
-        loadLogInfo("collectFace,openPlate: userId=$userId")
+//        showWaitingDialog("检测餐盘中，请稍候……")
-        showWaitingDialog("检测餐盘中，请稍候……")
         PlcHelper.getInstance(this).getStatus(object : PlcCallback<PlcStatus> {
                 override fun onSuccess(result: PlcStatus) {
                     hideWaitingDialog()
@@ -435,6 +436,7 @@ class LoginByFaceActivity : BaseActivity<ActivityLoginFaceBinding>(),
                             }
 
                             override fun onError(message: String) {
+                                ToastUtils.showToast("出盘失败，message=$message")
                                 loadLogInfo("collectFace,openPlate: 出盘失败，message=$message")
                                 goInitActivity()
                             }
@@ -598,9 +600,10 @@ class LoginByFaceActivity : BaseActivity<ActivityLoginFaceBinding>(),
                     binding.btnCollect.tag = ""
                     binding.tvSimilarValue.text = ""
                     retryFailCount = 0
-
+                    // 人脸离开时，发送空帧清除 ViewModel 内部识别缓存，防止再次进入时使用旧数据
+                    recognizeViewModel.onPreviewFrame(emptyFrame, true)
                     if (binding.llCollectButton.isVisible) {
-                        leftDebouncer.debounce { leftCountDown() }
+                        leftDebouncer.debounce("leftDebouncer") { leftCountDown() }
                     }
                 }
                 recognizeViewModel.clearLeftFace(facePreviewInfoList)
@@ -724,13 +727,13 @@ class LoginByFaceActivity : BaseActivity<ActivityLoginFaceBinding>(),
 //    private var tempUserId: String = ""
     override fun onResume() {
         super.onResume()
+        plateEnable = true
         try {
             if (isFirstOpen) {
                 isFirstOpen = false
                 goInitActivity()
                 return
             }
-
             lifecycleScope.launch {
                 try {
                     val faceDao = FaceDatabase.getInstance(this@LoginByFaceActivity).faceDao()
@@ -764,6 +767,7 @@ class LoginByFaceActivity : BaseActivity<ActivityLoginFaceBinding>(),
         plateEnable = true
         collectCount = 0
 //        tempUserId = "${System.currentTimeMillis()}"
+        openPlateDebouncer.reset()
         resumeCamera()
         registerHandler = RegisterCallbackHandler()
 
@@ -852,7 +856,7 @@ class LoginByFaceActivity : BaseActivity<ActivityLoginFaceBinding>(),
             ToastUtils.showToast("获取人脸照片失败")
             return
         }
-        uploadFaceDebouncer.debounce {
+        uploadFaceDebouncer.debounce("uploadFaceDebouncer") {
             addUserFace(faceData, imageFile)
         }
     }

app/src/main/java/com/sw/platecabinet/utils/LogFileUtil.java

@@ -19,10 +19,15 @@ import java.io.StringReader;
 import java.text.DecimalFormat;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
 
 public class LogFileUtil {
     private static boolean isSaveLog = true;
-    public static final String FILE_STR_PATH = App.getContext().getExternalCacheDir().getAbsolutePath();
+    // 使用内部存储，不会被系统缓存清理策略影响
+    public static final String FILE_STR_PATH = new File(App.getContext().getFilesDir(), "logs").getAbsolutePath();
+    // 单线程执行器，保证日志串行写入，避免多线程并发竞争
+    private static final ExecutorService LOG_EXECUTOR = Executors.newSingleThreadExecutor();
 
     public static final int SIZETYPE_B = 1;//获取文件大小单位为B的double值
     public static final int SIZETYPE_KB = 2;//获取文件大小单位为KB的double值
@@ -610,10 +615,8 @@ public class LogFileUtil {
         if (!isSaveLog) {
             return;
         }
-        new Thread() {
+        // 提交到单线程队列，串行执行，避免并发写入竞争
-            @Override
+        LOG_EXECUTOR.execute(() -> {
-            public void run() {
-                super.run();
             StringBuilder sb = new StringBuilder();
             for (String log : logs) {
                 sb.append("===")
@@ -625,9 +628,7 @@ public class LogFileUtil {
             }
             String fileName = "log" + AppUtil.formatDateGetDay(System.currentTimeMillis()) + ".txt";
             LogFileUtil.saveStrFile(sb.toString(), fileName, FILE_STR_PATH, true);
-
+        });
-            }
-        }.start();
     }
 
     private static final String[][] MIME_MapTable = {