fix

src/_export.js

@@ -19,6 +19,7 @@ import {
   setEmbedScanResultForwarder,
   setEmbedScanErrorForwarder,
 } from "./services/embedScanBridge";
+import { unlockScanBeep, installScanBeepGestureUnlock } from "./services/web";
 
 const EMBED_SOURCE = "IScanEmbed";
 const EMBED_V = 1;
@@ -34,6 +35,13 @@ const EMBED_LISTENER_METHODS = new Set([
   "clear",
 ]);
 
+/** 嵌入 iframe 转发到父页时，须在子页用用户手势解锁提示音 */
+const EMBED_SCAN_GESTURE_METHODS = new Set([
+  "startScan",
+  "scanImage",
+  "scanImageFromFile",
+]);
+
 function isEmbedMessage(data) {
   return data && data.source === EMBED_SOURCE && data.v === EMBED_V;
 }
@@ -256,6 +264,7 @@ function ensureEmbedChildListener() {
     return;
   }
   embedChildInstalled = true;
+  installScanBeepGestureUnlock();
   window.addEventListener("message", embedChildOnMessage);
 }
 
@@ -449,6 +458,9 @@ function createInvokeTransport(lib, method, methodName, initNames) {
         }
         return _exec(lib, methodName, ...params);
       }
+      if (EMBED_SCAN_GESTURE_METHODS.has(method)) {
+        unlockScanBeep();
+      }
       return embedInvoke(methodName, params);
     }
     if (!isReadyCalled() && initNames && initNames.indexOf(method) < 0) {