调整了部分问题

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

@@ -13,9 +13,12 @@ import com.sw.platecabinet.fragment.UnBindPlateFragment
 import com.sw.platecabinet.model.response.EquipmentUserInfo
 import com.sw.platecabinet.utils.FragmentHelper
 
+typealias Callback = (String) -> Unit
+
 class MainActivity : BaseActivity<ActivityMainBinding>() {
     private lateinit var fragmentHelper: FragmentHelper
     private var pageType = PageType.SETTING_LIST
+    private var callback: Callback? = null
 
     override fun inflateViewBinding(): ActivityMainBinding {
         return ActivityMainBinding.inflate(layoutInflater)
@@ -65,8 +68,23 @@ class MainActivity : BaseActivity<ActivityMainBinding>() {
     override fun onRightDoubleClick() {
 
     }
+
+    override fun handleScanKeyInfo(scanInfo: String) {
+        if (callback != null) {
+            callback!!.invoke(scanInfo)
+        }
+    }
+
+    fun registerKeyEventInfo(callback: Callback) {
+        this.callback = callback
+    }
+
+    override fun registerDataChange() {
+        super.registerDataChange()
+    }
 }
 
+
 /**
  * 界面类型
  */