网络状态工具类

最新推荐文章于 2021-03-13 09:02:12 发布

muxsero

最新推荐文章于 2021-03-13 09:02:12 发布

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CC 4.0 BY-SA版权

文章标签：网络相关

本文链接：https://blog.youkuaiyun.com/a243920187/article/details/82596308

本文介绍了一个用于检测Android设备网络状态的实用工具类。该工具类提供了检查设备当前是否连接到网络、判断WIFI是否可用、判断移动网络是否可用以及获取当前网络类型的功能。

package com.zkqc.safelottery.utils;

import android.content.Context;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;

/**
 * 描述： 网络状态工具类
 */

public class NetWorkUtils {
    /**
     * 判断是否有网络
     *
     * @return
     */
    public static boolean isNetworkConnected() {
        ConnectivityManager connectivityManager = (ConnectivityManager) App.getInstance().getApplicationContext()
                .getSystemService(Context.CONNECTIVITY_SERVICE);
        NetworkInfo mNetworkInfo = connectivityManager.getActiveNetworkInfo();
        if (mNetworkInfo != null && mNetworkInfo.isConnected()) {
            return mNetworkInfo.isAvailable();
        }
        return false;
    }

    /**
     * 判断WIFI是否可用
     *
     * @return
     */
    public boolean isWifiConnected() {
        ConnectivityManager connectivityManager = (ConnectivityManager) App.getInstance().getApplicationContext()
                .getSystemService(Context.CONNECTIVITY_SERVICE);
        NetworkInfo mWiFiNetworkInfo = connectivityManager
                .getNetworkInfo(ConnectivityManager.TYPE_WIFI);
        if (mWiFiNetworkInfo != null) {
            return mWiFiNetworkInfo.isAvailable();
        }
        return false;
    }

    /**
     * 判断MOBILE(移动)网络是否可用
     *
     * @return
     */
    public boolean isMobileConnected() {
        ConnectivityManager connectivityManager = (ConnectivityManager) App.getInstance().getApplicationContext()
                .getSystemService(Context.CONNECTIVITY_SERVICE);
        NetworkInfo mMobileNetworkInfo = connectivityManager
                .getNetworkInfo(ConnectivityManager.TYPE_MOBILE);
        if (mMobileNetworkInfo != null) {
            return mMobileNetworkInfo.isAvailable();
        }
        return false;
    }

    /**
     * 判断网络类型
     *
     * @return
     */
    public static int GetNetype() {
        int netType = -1;
        ConnectivityManager connMgr = (ConnectivityManager) App.getInstance().getApplicationContext().getSystemService(Context.CONNECTIVITY_SERVICE);
        NetworkInfo networkInfo = connMgr.getActiveNetworkInfo();
        if (networkInfo == null) {
            return netType;
        }
        int nType = networkInfo.getType();
        if (nType == ConnectivityManager.TYPE_MOBILE) {
            if (networkInfo.getExtraInfo().toLowerCase().equals("cmnet")) {
                netType = 3;
            } else {
                netType = 2;
            }
        } else if (nType == ConnectivityManager.TYPE_WIFI) {
            netType = 1;
        }
        return netType;
    }
}