efunbox-xyyf-mobile-android/app/src/main/java/com/edufound/mobile/receiver/NetworkChangeReceiver.java

package com.edufound.mobile.receiver;

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.os.Handler;
import android.os.Message;
import android.telephony.TelephonyManager;

import com.edufound.mobile.base.BaseView;
import com.edufound.mobile.util.ContextUtil;
import com.edufound.mobile.util.Logger;
import com.edufound.mobile.util.ToastUtil;


/**
 * Created by Candy on 2018/4/8.
 */

public class NetworkChangeReceiver extends BroadcastReceiver {
    BaseView mView;
    final int DISCONNECT = 0x21;
    final int CONNECT = 0x22;
    String strNetworkType;

    public NetworkChangeReceiver(BaseView view) {
        mView = view;
    }

    @Override
    public void onReceive(Context context, Intent intent) {
        GetNetworkType(context);

    }

    public void GetNetworkType(Context context) {
        ConnectivityManager connectMgr = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
        NetworkInfo networkInfo = connectMgr.getActiveNetworkInfo();
        if (networkInfo != null && networkInfo.isConnected()) {
            handler.sendEmptyMessage(CONNECT);
            if (networkInfo.getType() == ConnectivityManager.TYPE_WIFI) {
                strNetworkType = "WIFI";
                ContextUtil.setmNetWorkState(true);
            } else if (networkInfo.getType() == ConnectivityManager.TYPE_MOBILE) {
                String _strSubTypeName = networkInfo.getSubtypeName();
                Logger.e("Network getSubtypeName : " + _strSubTypeName);
                int networkType = networkInfo.getSubtype();
                switch (networkType) {
                    case TelephonyManager.NETWORK_TYPE_GPRS:
                    case TelephonyManager.NETWORK_TYPE_EDGE:
                    case TelephonyManager.NETWORK_TYPE_CDMA:
                    case TelephonyManager.NETWORK_TYPE_1xRTT:
                    case TelephonyManager.NETWORK_TYPE_IDEN: //api<8 : replace by 11
                        strNetworkType = "2G";
                        break;
                    case TelephonyManager.NETWORK_TYPE_UMTS:
                    case TelephonyManager.NETWORK_TYPE_EVDO_0:
                    case TelephonyManager.NETWORK_TYPE_EVDO_A:
                    case TelephonyManager.NETWORK_TYPE_HSDPA:
                    case TelephonyManager.NETWORK_TYPE_HSUPA:
                    case TelephonyManager.NETWORK_TYPE_HSPA:
                    case TelephonyManager.NETWORK_TYPE_EVDO_B: //api<9 : replace by 14
                    case TelephonyManager.NETWORK_TYPE_EHRPD:  //api<11 : replace by 12
                    case TelephonyManager.NETWORK_TYPE_HSPAP:  //api<13 : replace by 15
                        strNetworkType = "3G";
                        break;
                    case TelephonyManager.NETWORK_TYPE_LTE:    //api<11 : replace by 13
                        strNetworkType = "4G";
                        break;

                }
                Logger.e("Network getSubtype : " + Integer.valueOf(networkType).toString());
                ToastUtil.showToast("当前网络环境：" + strNetworkType);
                ContextUtil.setmNetWorkState(true);
            }
        } else {
            ContextUtil.setmNetWorkState(false);
            strNetworkType = "-1";
            handler.sendEmptyMessageDelayed(DISCONNECT, 2000);

        }
        Logger.e("Network Type : " + strNetworkType);
    }


    Handler handler = new Handler(new Handler.Callback() {
        @Override
        public boolean handleMessage(Message msg) {
            switch (msg.what) {
                case DISCONNECT:
                    mView.DisconnNetWork();
                    break;
                case CONNECT:
                    handler.removeMessages(DISCONNECT);
                    mView.ConnNeWork();
                    break;
            }
            return false;
        }
    });
}