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添加项目文件。

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杨皓
2020-04-03 11:55:02 +08:00
parent f8a6829e30
commit d4e7a559f2
178 changed files with 20595 additions and 0 deletions
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171
XXCpzs.Android/Services/NetworkConnection.cs Normal file
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using Android.Content.PM;
using Android.OS;
using System;
using Xamarin.Forms;
using XXCpzs.Droid.Services;
using XXCpzs.Services;
using XXCpzs.Droid;
using Android.Net;
using Android.Locations;
using Android.Content;
using Android.Telephony;
using Xamarin.Essentials;
[assembly: Dependency(typeof(NetworkConnection))] //的作用是将该类依赖于程序集，以便在可移植平台底下实例化接口。
namespace XXCpzs.Droid
{
public class NetworkConnection : INetworkConnection
{
        //没有网络
        public const int NETWORKTYPE_INVALID = 0;
        //wap网络
        public const int NETWORKTYPE_WAP = 1;
        //2G网络
        public const int NETWORKTYPE_2G = 2;
        //3G和3G以上网络，或统称为快速网络
        public const int NETWORKTYPE_3G = 3;
        //wifi网络
        public const int NETWORKTYPE_WIFI = 4;
public bool IsConnected { get; set; }
        //判断是否有网络连接
        public void CheckNetworkConnection()
{
var current = Connectivity.NetworkAccess;
if (current == NetworkAccess.Internet)
{
IsConnected = true;
}
else
{
IsConnected = false;
}
}
        //检查启用了网络位置提供商报告
        public bool isNetLocEnabled()
{
LocationManager locMgr = MainActivity.mContext.GetSystemService(Context.LocationService) as LocationManager;
return locMgr.IsProviderEnabled(LocationManager.NetworkProvider);
}
        //判断是否有WIFI连接
        public bool isWifiConnected(Context context)
{
if (context != null)
{
ConnectivityManager mConnectivityManager = (ConnectivityManager)context.GetSystemService(Context.ConnectivityService);
NetworkInfo mWiFiNetworkInfo = mConnectivityManager.GetNetworkInfo(ConnectivityType.Wifi);
                //NetworkInfo mWiFiNetworkInfo = mConnectivityManager.GetNetworkInfo(ConnectivityManager.TYPE_WIFI);
                if (mWiFiNetworkInfo != null)
{
return mWiFiNetworkInfo.IsAvailable;
}
}
return false;
}
        //判断Mobile网络是否可用
        public bool isMobileConnected(Context context)
{
if (context != null)
{
ConnectivityManager mConnectivityManager = (ConnectivityManager)context.GetSystemService(Context.ConnectivityService);
NetworkInfo mMobileNetworkInfo = mConnectivityManager.GetNetworkInfo(ConnectivityType.Mobile);
                //NetworkInfo mMobileNetworkInfo = mConnectivityManager.GetNetworkInfo(ConnectivityManager.TYPE_MOBILE);
                if (mMobileNetworkInfo != null)
{
return mMobileNetworkInfo.IsAvailable;
}
}
return false;
}
        //检查飞行模式 - 我们要关闭飞机模式
        //public bool confirmAirplaneModeOff(Context context)
//{
//int airplaneSetting = Settings.System.GetInt(context.ContentResolver, Settings.System.AirplaneModeOn, 0);
            //int airplaneSetting = Settings.System.getInt(context.getContentResolver(), Settings.System.AIRPLANE_MODE_ON, 0);
            //return airplaneSetting == 0;
//}
        //确定网络位置提供程序是否真的可用
      //  public bool isNetlocUsable(Context context)
// {
// return isNetLocEnabled(context) && confirmAirplaneModeOff(context) && isWifiConnected(context) && isMobileConnected(context);
// }
        //判断是否是FastMobileNetWork，将3G或者3G以上的网络称为快速网络
        private static bool isFastMobileNetwork(Context context)
{
TelephonyManager telephonyManager = (TelephonyManager)context.GetSystemService(Context.TelephonyService);
switch (telephonyManager.NetworkType)
{
case NetworkType.OneXrtt:
return false; // ~ 50-100 kbps  
                case NetworkType.Cdma:
return false; // ~ 14-64 kbps  
                case NetworkType.Edge:
return false; // ~ 50-100 kbps  
                case NetworkType.Evdo0:
return true; // ~ 400-1000 kbps  
                case NetworkType.EvdoA:
return true; // ~ 600-1400 kbps  
                case NetworkType.Gprs:
return false; // ~ 100 kbps  
                case NetworkType.Hsdpa:
return true; // ~ 2-14 Mbps  
                case NetworkType.Hspa:
return true; // ~ 700-1700 kbps  
                case NetworkType.Hsupa:
return true; // ~ 1-23 Mbps  
                case NetworkType.Umts:
return true; // ~ 400-7000 kbps  
                case NetworkType.Ehrpd:
return true; // ~ 1-2 Mbps  
                case NetworkType.EvdoB:
return true; // ~ 5 Mbps  
                case NetworkType.Hspap:
return true; // ~ 10-20 Mbps  
                case NetworkType.Iden:
return false; // ~25 kbps  
                case NetworkType.Lte:
return true; // ~ 10+ Mbps  
                case NetworkType.Unknown:
return false;
default:
return false;
}
}
        //获取网络状态，wifi,wap,2g,3g.
        /// <summary>
        /// context 上下文 
        /// return int 网络状态 {@link #NETWORKTYPE_2G},{@link #NETWORKTYPE_3G}
        /// {@link #NETWORKTYPE_INVALID},{@link #NETWORKTYPE_WAP}* <p>{@link #NETWORKTYPE_WIFI} 
        /// </summary>
        public static int getNetWorkType(Context context)
{
int mNetWorkType = 0;
ConnectivityManager manager = (ConnectivityManager)context.GetSystemService(Context.ConnectivityService);
NetworkInfo networkInfo = manager.ActiveNetworkInfo;
if (networkInfo != null && networkInfo.IsConnected)
{
String type = networkInfo.TypeName;
if (type.Equals("WIFI".ToUpper()))
{
mNetWorkType = NETWORKTYPE_WIFI;
}
else if (type.Equals("MOBILE".ToUpper()))
{
String proxyHost = Proxy.DefaultHost;
                    //String proxyHost = android.net.Proxy.getDefaultHost();
                    //mNetWorkType = TextUtils.IsEmpty(proxyHost) ? (isFastMobileNetwork(context) ? NETWORKTYPE_3G : NETWORKTYPE_2G) : NETWORKTYPE_WAP;
}
}
else
{
mNetWorkType = NETWORKTYPE_INVALID;
}
return mNetWorkType;
}
}
}