fix stop camera

app/src/main/java/com/ouxuan/oxface/OXFaceOnlineActivity.java

@@ -191,7 +191,7 @@ public class OXFaceOnlineActivity extends BaseActivity implements View.OnClickLi
     
     // 摄像头暂停管理相关
     private Handler cameraTimeoutHandler;
-    private static final int CAMERA_RESUME_TIMEOUT = 60000; // 30秒超时
+    private static final int CAMERA_RESUME_TIMEOUT = 60000; // 60秒超时
     private boolean isCameraPausedByDialog = false; // 标记是否由对话框暂停
     private int pauseRequestCount = 0; // 暂停请求计数
     
@@ -462,7 +462,8 @@ public class OXFaceOnlineActivity extends BaseActivity implements View.OnClickLi
             @Override
             public void navigateToOrderSelectionPage(String orderData, int verificationType, String faceBase64) {
                 // 在跳转到订单选择页面时暂停摄像头
-                pauseCameraWithTimeout();
+//                pauseCameraWithTimeout();
+                pauseCamera();
                 LogManager.logInfo(TAG, "跳转订单选择页面时暂停摄像头");
                 
                 // 跳转到订单选择页面
@@ -797,7 +798,7 @@ public class OXFaceOnlineActivity extends BaseActivity implements View.OnClickLi
                     LogManager.logInfo(TAG, "门禁不可用弹窗显示，暂停摄像头和中断操作 - " + sceneInfo);
                     
                     // 暂停摄像头和中断其他操作
-                    pauseCameraWithTimeout();
+                    pauseCamera();
                     
                     LogManager.logInfo(TAG, "摄像头暂停完成 - " + sceneInfo);
                 }
@@ -1338,7 +1339,7 @@ public class OXFaceOnlineActivity extends BaseActivity implements View.OnClickLi
         LogManager.logInfo(TAG, "用户点击验证码开门");
 
         // 使用新的暂停摄像头方法
-        pauseCameraWithTimeout();
+        pauseCamera();
         LogManager.logInfo(TAG, "暂停摄像头预览 - 使用带超时的暂停方法");
 
         // 启动验证码Activity
@@ -1643,7 +1644,7 @@ public class OXFaceOnlineActivity extends BaseActivity implements View.OnClickLi
                 if (gateABController != null) {
 
                     // 暂停摄像头预览10秒后再恢复，避免频繁执行开门操作
-                    pauseCameraWithTimeout();
+                    pauseCamera();
                     LogManager.logInfo(TAG, "暂停摄像头预览10秒，避免频繁执行开门操作");
                     
                     // 10秒后恢复摄像头预览
@@ -2205,7 +2206,7 @@ public class OXFaceOnlineActivity extends BaseActivity implements View.OnClickLi
             @Override
             public void onDialogShow() {
                 // 暂停摄像头预览
-                pauseCameraWithTimeout();
+                pauseCamera();
                 LogManager.logInfo(TAG, "解锁密码弹窗显示，摄像头已暂停");
             }
             
@@ -2784,7 +2785,7 @@ public class OXFaceOnlineActivity extends BaseActivity implements View.OnClickLi
             String action = intent.getAction();
             if ("com.ouxuan.oxface.ACTION_PAUSE_CAMERA".equals(action)) {
                 // 暂停摄像头预览
-                pauseCameraWithTimeout();
+                pauseCamera();
                 LogManager.logInfo(TAG, "接收到暂停摄像头预览广播");
             } else if ("com.ouxuan.oxface.ACTION_RESUME_CAMERA".equals(action)) {
                 // 恢复摄像头预览
@@ -2795,6 +2796,30 @@ public class OXFaceOnlineActivity extends BaseActivity implements View.OnClickLi
     }
     
     /**
+     * 暂停摄像头
+     */
+    private void pauseCamera() {
+        pauseRequestCount++;
+        isCameraPausedByDialog = true;
+        isNeedCamera = false;
+        
+        // 取消之前的超时任务
+        if (cameraTimeoutHandler != null) {
+            cameraTimeoutHandler.removeCallbacksAndMessages(null);
+        }
+        
+        // 清空一次画布，确保暂停时画面干净
+        try {
+            LivenessModel emptyModel = new LivenessModel();
+            emptyModel.setTrackFaceInfo(null);
+            showFrame(emptyModel);
+        } catch (Exception e) {
+            LogManager.logError(TAG, "清空画布时发生异常", e);
+        }
+        
+        LogManager.logInfo(TAG, "摄像头已暂停，请求计数: " + pauseRequestCount + ", 超时时间: " + "ms");
+    }
+        /**
      * 暂停摄像头并设置超时恢复
      */
     private void pauseCameraWithTimeout() {