优化识别及增加扫码枪逻辑

app/src/main/java/com/sw/dualscreen/activity/BaseActivity.kt

@@ -4,7 +4,9 @@ import android.content.Context
 import android.graphics.drawable.ColorDrawable
 import android.hardware.display.DisplayManager
 import android.os.Bundle
+import android.util.Log
 import android.view.Display
+import android.view.KeyEvent
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
@@ -21,6 +23,7 @@ import com.sw.dualscreen.model.response.PostEvent
 import com.sw.dualscreen.utils.FileUtil
 import com.sw.dualscreen.view.CustomDialog
 import com.sw.dualscreen.viewmodel.BaseViewModel
+import com.sw.plate.utils.ScanGunKeyEventHelper
 import com.sw.plate.utils.ToastUtils
 import org.greenrobot.eventbus.EventBus
 import org.greenrobot.eventbus.Subscribe
@@ -56,6 +59,7 @@ abstract class BaseActivity<VB : ViewBinding> : AppCompatActivity() {
     }
 
     override fun onDestroy() {
+        keyEventHelper?.onDestroy()
         EventBus.getDefault().unregister(this)
         super.onDestroy()
     }
@@ -142,4 +146,41 @@ abstract class BaseActivity<VB : ViewBinding> : AppCompatActivity() {
     fun onPostEvent(event: PostEvent) {
 
     }
+
+
+    /**
+     * 监听扫描枪扫描事件
+     */
+    fun registerKeyEvent() {
+        keyEventHelper =
+            ScanGunKeyEventHelper(context, object : ScanGunKeyEventHelper.OnScanSuccessListener {
+                override fun onScanSuccess(barcode: String?) {
+                    Timber.d("onScanSuccess barcode = $barcode")
+                    if (barcode == null) return
+                    handleScanKeyInfo(barcode)
+                }
+            })
+    }
+    protected var keyEventHelper: ScanGunKeyEventHelper? = null
+
+    /**
+     * 处理扫描枪数据
+     */
+    protected open fun handleScanKeyInfo(scanInfo: String) {
+        var payCode = scanInfo
+        //if (scanInfo.length > 6) {
+        //    payCode = scanInfo.take(6)
+        //}
+        Log.d("TAG", "handleScanKeyInfo: " + payCode)
+    }
+
+    override fun dispatchKeyEvent(event: KeyEvent): Boolean {
+        if (keyEventHelper != null) {
+            if (keyEventHelper!!.isScanGunEvent(event)) {
+                keyEventHelper!!.analysisKeyEvent(event)
+                return true
+            }
+        }
+        return super.dispatchKeyEvent(event)
+    }
 }