android开发之网络判断的工具类

来源：互联网发布：学霸必备软件编辑：程序博客网时间：2024/06/05 17:01
最近,发现无聊其实挺好的!没事的时候就可以去技术Blog上逛逛,学学新的或者空白的知识点,虽然下面我要写的Blog不是啥新的或者空白的知识点,但是我认为Blog主费心了,很欣赏他!
/** * @类名:NetUtil * @类描述:网络判断处理类 * @创建时间:2015年2月12日-上午9:34:32 * @修改人: * @修改时间: * @修改备注: * @版本: */public class NetUtil {    /* 网络状态 */    public static boolean isNet = true;    public static enum netType    {        wifi, CMNET, CMWAP, noneNet    }    /**     * @方法说明:判断WIFI网络是否可用     * @方法名称:isWifiConnected     * @param context     * @return     * @返回值:boolean     */    public static boolean isWifiConnected(Context context)    {        if (context != null)        {            ConnectivityManager mConnectivityManager = (ConnectivityManager) context                    .getSystemService(Context.CONNECTIVITY_SERVICE);            NetworkInfo mWiFiNetworkInfo = mConnectivityManager                    .getNetworkInfo(ConnectivityManager.TYPE_WIFI);            if (mWiFiNetworkInfo != null)            {                return mWiFiNetworkInfo.isAvailable();            }        }        return false;    }    /**     * @方法说明:判断MOBILE网络是否可用     * @方法名称:isMobileConnected     * @param context     * @return     * @返回值:boolean     */    public static boolean isMobileConnected(Context context)    {        if (context != null)        {            ConnectivityManager mConnectivityManager = (ConnectivityManager) context                    .getSystemService(Context.CONNECTIVITY_SERVICE);            NetworkInfo mMobileNetworkInfo = mConnectivityManager                    .getNetworkInfo(ConnectivityManager.TYPE_MOBILE);            if (mMobileNetworkInfo != null)            {                return mMobileNetworkInfo.isAvailable();            }        }        return false;    }    /**     * @方法说明:获取当前网络连接的类型信息     * @方法名称:getConnectedType     * @param context     * @return     * @返回值:int     */    public static int getConnectedType(Context context)    {        if (context != null)        {            ConnectivityManager mConnectivityManager = (ConnectivityManager) context                    .getSystemService(Context.CONNECTIVITY_SERVICE);            NetworkInfo mNetworkInfo = mConnectivityManager                    .getActiveNetworkInfo();            if (mNetworkInfo != null && mNetworkInfo.isAvailable())            {                return mNetworkInfo.getType();            }        }        return -1;    }    /**     * @方法说明:获取当前的网络状态 -1：没有网络 1：WIFI网络2：wap 网络3：net网络     * @方法名称:getAPNType     * @param context     * @return     * @返回值:netType     */    public static netType getAPNType(Context context)    {        ConnectivityManager connMgr = (ConnectivityManager) context                .getSystemService(Context.CONNECTIVITY_SERVICE);        NetworkInfo networkInfo = connMgr.getActiveNetworkInfo();        if (networkInfo == null)        {            return netType.noneNet;        }        int nType = networkInfo.getType();        if (nType == ConnectivityManager.TYPE_MOBILE)        {            if (networkInfo.getExtraInfo().toLowerCase().equals("cmnet"))            {                return netType.CMNET;            }            else            {                return netType.CMWAP;            }        } else if (nType == ConnectivityManager.TYPE_WIFI)        {            return netType.wifi;        }        return netType.noneNet;    }    /**     * @方法说明:判断是否有网络连接     * @方法名称:isNetworkConnected     * @param context     * @return     * @返回值:boolean     */    public static boolean isNetworkConnected(Context context) {        if (context != null) {            ConnectivityManager mConnectivityManager = (ConnectivityManager) context                    .getSystemService(Context.CONNECTIVITY_SERVICE);            NetworkInfo mNetworkInfo = mConnectivityManager                    .getActiveNetworkInfo();            if (mNetworkInfo != null) {                return mNetworkInfo.isAvailable();            }        }        return false;    }    /**     * @方法说明:网络是否可用     * @方法名称:isNetworkAvailable     * @param context     * @return     * @返回值:boolean     */    public static boolean isNetworkAvailable(Context context)    {        ConnectivityManager mgr = (ConnectivityManager) context                .getSystemService(Context.CONNECTIVITY_SERVICE);        NetworkInfo[] info = mgr.getAllNetworkInfo();        if (info != null)        {            for (int i = 0; i < info.length; i++)            {                if (info[i].getState() == NetworkInfo.State.CONNECTED)                {                    return true;                }            }        }        return false;    }    /**     * @方法说明:判断是否是手机网络     * @方法名称:is3GNet     * @param context     * @return     * @返回值:boolean     */    public static boolean is3GNet(Context context) {        ConnectivityManager connectivityManager = (ConnectivityManager) context                .getSystemService(Context.CONNECTIVITY_SERVICE);        NetworkInfo activeNetInfo = connectivityManager.getActiveNetworkInfo();        if (activeNetInfo != null                && activeNetInfo.getType() == ConnectivityManager.TYPE_MOBILE) {            return true;        }        return false;    }}
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