download: Vue3.0 Advanced combat: Developing high-quality music Web app

Enterprises have higher and higher requirements for Vue technology, but few people master the advanced technology of Vue 3.0. This course will help you stand out in the interview by writing a real, highly realistic and complex front-end project of music player, allowing you to gain practical experience in the development of vue3.0 advanced technology. Suitable for people with more than one year of work experience front-end practitioners have a certain Vue and JS foundation, Proficient in HTML, CSS and JavaScript programming with Vue foundation and practical development experience in Vue. Experience in node.js, NPM and WebPAC @ vue/cli 4.5.9 package com. Chengxinet. Bobo. Utils; import android.content.Context; import android.net.ConnectivityManager; import android.net.NetworkInfo; import android.telephony.TelephonyManager; / * *

  • Created by Administrator on 2016/1/7.

    * /

    public class NetworkUtils {

    public static boolean isNetworkAvailable(Context c) {

    Context context = c.getApplicationContext();

    // Obtain all connection management objects of mobile phones (including wi-fi, NET and other connection management)

    ConnectivityManager connectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);

    if (connectivityManager == null) {

    return false;

    } else {

    // Get the NetworkInfo object

    NetworkInfo[] networkInfo = connectivityManager.getAllNetworkInfo();

    if (networkInfo ! = null && networkInfo.length > 0) {

    for (NetworkInfo aNetworkInfo : networkInfo) {

    / / System. Out. Println (I + “state = = = = = =” + networkInfo [I] getState ());

    / / System. Out. Println (I + “type = = = = = =” + networkInfo [I] getTypeName ());

    // Check whether the current network state is connected

    if (aNetworkInfo.getState() == NetworkInfo.State.CONNECTED) {

    return true;

    }

    }

    }

    }

    return false;

    }

    / * *
    • Check whether WIFI can be turned on
    • @param context
    • @return */ public static boolean isWifiEnabled(Context context) { ConnectivityManager mgrConn = (ConnectivityManager) context .getSystemService(Context.CONNECTIVITY_SERVICE); TelephonyManager mgrTel = (TelephonyManager) context .getSystemService(Context.TELEPHONY_SERVICE); return ((mgrConn.getActiveNetworkInfo() ! = null && mgrConn .getActiveNetworkInfo().getState() == NetworkInfo.State.CONNECTED) || mgrTel .getNetworkType() == TelephonyManager.NETWORK_TYPE_UMTS); } / * *
    • See if it’s a 3G network
    • @param context
    • @return */ public static boolean is3rd(Context context) { ConnectivityManager cm = (ConnectivityManager) context .getSystemService(Context.CONNECTIVITY_SERVICE); NetworkInfo networkINfo = cm.getActiveNetworkInfo(); if (networkINfo ! = null && networkINfo.getType() == ConnectivityManager.TYPE_MOBILE) { return true; } return false; } / * *
    • Check whether it’s wifi or 3G
    • @param context
    • @return

      */

      public static boolean isWifi(Context context) {

      ConnectivityManager cm = (ConnectivityManager) context

      .getSystemService(Context.CONNECTIVITY_SERVICE);

      NetworkInfo networkINfo = cm.getActiveNetworkInfo();

      if (networkINfo != null

      && networkINfo.getType() == ConnectivityManager.TYPE_WIFI) {

      return true;

      }

      return false;

      }

      }