android中判断是否有网络链接和判断是否是WIFI

来源：互联网发布：单片机数控系统编辑：程序博客网时间：2024/06/05 11:24
/** * 是否是无线 * @param icontext * @return */public static boolean isWifiActive(Context icontext){  Context context = icontext.getApplicationContext();  ConnectivityManager connectivity = (ConnectivityManager) context      .getSystemService(Context.CONNECTIVITY_SERVICE);  NetworkInfo[] info;  if (connectivity != null) {    info = connectivity.getAllNetworkInfo();    if (info != null) {      for (int i = 0; i < info.length; i++) {        if (info[i].getTypeName().equals("WIFI") && info[i].isConnected()) {          return true;        }      }    }  }  return false;}/** * 判断网络是否链接 * @param activity * @return */public boolean isNetworkAvailable(Activity activity){  Context context = activity.getApplicationContext();  // 获取手机所有连接管理对象（包括对wi-fi,net等连接的管理）  ConnectivityManager connectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);  if (connectivityManager == null)  {    return false;  }  else  {    // 获取NetworkInfo对象    NetworkInfo[] networkInfo = connectivityManager.getAllNetworkInfo();    if (networkInfo != null && networkInfo.length > 0)    {      for (int i = 0; i < networkInfo.length; i++)      {        Log.i("===状态===", networkInfo[i].getState()+"");        Log.i("===类型===", networkInfo[i].getTypeName()+"");        // 判断当前网络状态是否为连接状态        if (networkInfo[i].getState() == NetworkInfo.State.CONNECTED)        {          return true;        }      }    }  }  return false;}
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