fix: 修复onKeyboardHeightChange重复监听的Bug askId: 91818

src/core/service/api/ui/keyboard.js

@@ -4,16 +4,16 @@ import {
 
 import {
   onMethod
-} from '../../platform'
-
-const callbacks = []
-
+} from '../../platform'
+
+let callback
+
 onMethod('onKeyboardHeightChange', res => {
-  callbacks.forEach(callbackId => {
-    invoke(callbackId, res)
-  })
-})
+  if (callback) {
+    invoke(callback, res)
+  }
+})
 
 export function onKeyboardHeightChange (callbackId) {
-  callbacks.push(callbackId)
-}
+  callback = callbackId
+}