let main
let filter
let receiver
let tag = false
/**
 * 开始广播监听扫码
 */
const regScan = () => {
  main.registerReceiver(receiver, filter)
}
/**
 * 停止广播监听扫码
 */
const unRegScan = () => {
  main.unregisterReceiver(receiver)
}
/**  剩余下个变量已经做了全局变量
 * // PDA扫描广播码
  appScanAction: 'android.intent.action.SCANRESULT',
  // PDA 扫码广播值字段
  appScanExtra: 'value',
 */
const initScan = (onReceive) => {Q
  console.log('initScan')
  main = plus.android.runtimeMainActivity() //获取activity
  var IntentFilter = plus.android.importClass('android.content.IntentFilter')
  filter = new IntentFilter()
  // filter.addAction('android.intent.action.SCANRESULT') // 换你的广播动作
  // 东大集团 常见扫码枪广播 https://blog.csdn.net/echizao1839/article/details/115962599
  filter.addAction('com.android.server.scannerservice.broadcast') // 换你的广播动作
  receiver = plus.android.implements(
    'io.dcloud.feature.internal.reflect.BroadcastReceiver',
    {
      onReceive: (context, intent) => {
        plus.android.importClass(intent)
        // let code = intent.getStringExtra('value') // 换你的广播标签
        let code = intent.getStringExtra('scannerdata') // 换你的广播标签
        console.log('pdaScan:1', code)

        // 必须延迟一下，不然无法调用
        setTimeout(() => {
          uni.$emit('scancodedate', {
            code,
            result: code
          })
        }, 300)
      }
    }
  )
}

export { initScan, regScan, unRegScan }

// main.js
import { initScan, regScan, unRegScan } from "@/utils/pdaScan.js";

// APP PDA扫描
// #ifdef APP-PLUS
initScan();
regScan();
// #endif

//  #ifdef APP-PLUS
// 针对pda扫码监控获取值
onShow() {
  uni.$off('scancodedate') // 每次进来先 移除全局自定义事件监听器
  uni.$on('scancodedate', (data) => {
    // data最好前后截取空格，扫码枪扫出来的code可能会有空格
    this.scan(data)
  })
},
onLoad() {},
onHide() {
  uni.$off('scancodedate')
},
onUnload() {
  uni.$off('scancodedate')
},
destroyed() {
  uni.$off('scancodedate')
}
//  #endif