NetWorkDetector.java

package com.dh.foundation.utils;

import android.content.Context;
import android.content.Intent;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.telephony.TelephonyManager;
import android.text.TextUtils;

import com.dh.foundation.manager.FoundationManager;

public class NetWorkDetector {
    /**
     * 没有网络
     */
    public static final int NETWORKTYPE_INVALID = 0;
    /**
     * wap网络
     */
    public static final int NETWORKTYPE_WAP = 1;
    /**
     * 2G网络
     */
    public static final int NETWORKTYPE_2G = 2;
    /**
     * 3G和3G以上网络，或统称为快速网络
     */
    public static final int NETWORKTYPE_3G = 3;
    /**
     * wifi网络
     */
    public static final int NETWORKTYPE_WIFI = 4;
    private static int mNetWorkType;

    public static boolean SetEventG1net(Intent intent) {
        Context context = FoundationManager.getContext();

        ConnectivityManager connectivityManager = (ConnectivityManager) context
                .getSystemService(Context.CONNECTIVITY_SERVICE);
        NetworkInfo mNetworkInfo = connectivityManager.getActiveNetworkInfo();
        if (mNetworkInfo != null) {

            return mNetworkInfo.isAvailable();
        }
        return false;

    }

    public static boolean isWifiConnected() {
        Context context = FoundationManager.getContext();


        ConnectivityManager mConnectivityManager = (ConnectivityManager) context
                .getSystemService(Context.CONNECTIVITY_SERVICE);
        NetworkInfo mWiFiNetworkInfo = mConnectivityManager
                .getNetworkInfo(ConnectivityManager.TYPE_WIFI);
        if (mWiFiNetworkInfo != null) {

            return mWiFiNetworkInfo.isAvailable();
        }
        return false;
    }

    public static boolean isMobileConnected() {
        Context context = FoundationManager.getContext();


        ConnectivityManager mConnectivityManager = (ConnectivityManager) context
                .getSystemService(Context.CONNECTIVITY_SERVICE);
        NetworkInfo mMobileNetworkInfo = mConnectivityManager
                .getNetworkInfo(ConnectivityManager.TYPE_MOBILE);
        if (mMobileNetworkInfo != null) {

            return mMobileNetworkInfo.isAvailable();
        }
        return false;
    }

    public static boolean isNetConnected() {
        Context context = FoundationManager.getContext();
        boolean isNetConnected;
        // 获得网络连接服务
        ConnectivityManager connManager = (ConnectivityManager) context
                .getSystemService(Context.CONNECTIVITY_SERVICE);
        NetworkInfo info = connManager.getActiveNetworkInfo();
        if (info != null && info.isAvailable()) {
            // String name = info.getTypeName();
            // L.i("当前网络名称：" + name);
            isNetConnected = true;
        } else {
            DLoggerUtils.i("没有可用网络");
            isNetConnected = false;
        }
        return isNetConnected;
    }

    private static boolean isFastMobileNet() {
        Context context = FoundationManager.getContext();
        TelephonyManager telephonyManager = (TelephonyManager) context
                .getSystemService(Context.TELEPHONY_SERVICE);
        switch (telephonyManager.getNetworkType()) {
            case TelephonyManager.NETWORK_TYPE_1xRTT:
                return false; // ~ 50-100 kbps
            case TelephonyManager.NETWORK_TYPE_CDMA:
                return false; // ~ 14-64 kbps
            case TelephonyManager.NETWORK_TYPE_EDGE:
                return false; // ~ 50-100 kbps
            case TelephonyManager.NETWORK_TYPE_EVDO_0:
                return true; // ~ 400-1000 kbps
            case TelephonyManager.NETWORK_TYPE_EVDO_A:
                return true; // ~ 600-1400 kbps
            case TelephonyManager.NETWORK_TYPE_GPRS:
                return false; // ~ 100 kbps
            case TelephonyManager.NETWORK_TYPE_HSDPA:
                return true; // ~ 2-14 Mbps
            case TelephonyManager.NETWORK_TYPE_HSPA:
                return true; // ~ 700-1700 kbps
            case TelephonyManager.NETWORK_TYPE_HSUPA:
                return true; // ~ 1-23 Mbps
            case TelephonyManager.NETWORK_TYPE_UMTS:
                return true; // ~ 400-7000 kbps
            case TelephonyManager.NETWORK_TYPE_EHRPD:
                return true; // ~ 1-2 Mbps
            case TelephonyManager.NETWORK_TYPE_EVDO_B:
                return true; // ~ 5 Mbps
            case TelephonyManager.NETWORK_TYPE_HSPAP:
                return true; // ~ 10-20 Mbps
            case TelephonyManager.NETWORK_TYPE_IDEN:
                return false; // ~25 kbps
            case TelephonyManager.NETWORK_TYPE_LTE:
                return true; // ~ 10+ Mbps
            case TelephonyManager.NETWORK_TYPE_UNKNOWN:
                return false;
            default:
                return false;
        }
    }

    /**
     * 获取网络状态，wifi,wap,2g,3g.
     *
     * @return int 网络状态 {@link #NETWORKTYPE_2G},{@link #NETWORKTYPE_3G}, *
     * {@link #NETWORKTYPE_INVALID},{@link #NETWORKTYPE_WAP}*
     * <p/>
     * {@link #NETWORKTYPE_WIFI}
     */

    public static int getNetWorkType() {
        Context context = FoundationManager.getContext();

        ConnectivityManager manager = (ConnectivityManager) context
                .getSystemService(Context.CONNECTIVITY_SERVICE);
        NetworkInfo networkInfo = manager.getActiveNetworkInfo();

        if (networkInfo != null && networkInfo.isConnected()) {
            String type = networkInfo.getTypeName();

            if (type.equalsIgnoreCase("WIFI")) {
                mNetWorkType = NETWORKTYPE_WIFI;
            } else if (type.equalsIgnoreCase("MOBILE")) {
                String proxyHost = android.net.Proxy.getDefaultHost();

                mNetWorkType = TextUtils.isEmpty(proxyHost) ? (isFastMobileNet() ? NETWORKTYPE_3G
                        : NETWORKTYPE_2G)
                        : NETWORKTYPE_WAP;
            }
        } else {
            mNetWorkType = NETWORKTYPE_INVALID;
        }

        return mNetWorkType;
    }

}