Android判断当前手机是否在wifi环境下

版权声明：清晨不起早，误一天的事;幼年不勤学，误一生的事。 https://blog.csdn.net/Dr_abandon/article/details/79726591

private static boolean isWifi(Context mContext) {    
    ConnectivityManager connectivityManager = (ConnectivityManager) mContext    
            .getSystemService(Context.CONNECTIVITY_SERVICE);    
    NetworkInfo activeNetInfo = connectivityManager.getActiveNetworkInfo();    
    if (activeNetInfo != null    
            && activeNetInfo.getType() == ConnectivityManager.TYPE_WIFI) {    
        return true;    
    }    
    return false;    
}