config.xml

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<widget id="com.ionicframework.cordovaposprintersample932365" version="0.0.1" xmlns="http://www.w3.org/ns/widgets" xmlns:cdv="http://cordova.apache.org/ns/1.0">
  <name>cordova-posprinter-sample</name>
  <description>
        An Ionic Framework and Cordova project.
    </description>
  <author email="ben302010@live.cn" href="https://github.com/liangminhua">
      BEN
    </author>
  <content src="index.html"/>
  <access origin="*"/>
  <preference name="webviewbounce" value="false"/>
  <preference name="UIWebViewBounce" value="false"/>
  <preference name="DisallowOverscroll" value="true"/>
  <preference name="SplashScreenDelay" value="2000"/>
  <preference name="FadeSplashScreenDuration" value="2000"/>
  <preference name="android-minSdkVersion" value="16"/>
  <preference name="BackupWebStorage" value="none"/>
  <feature name="StatusBar">
    <param name="ios-package" onload="true" value="CDVStatusBar"/>
  </feature>
  <plugin name="cordova-plugin-bluetooth-serial" spec="~0.4.6"/>
  <plugin name="cordova-plugin-ble-central" spec="~1.1.4">
    <variable name="BLUETOOTH_USAGE_DESCRIPTION" value="Your description here"/>
  </plugin>
  <plugin name="cordova-plugin-chrome-apps-sockets-tcp" spec="~1.3.6"/>
  <plugin name="cordova-plugin-chrome-apps-usb" spec="~1.2.0"/>
</widget>