codehxy的专栏

参考文章https://www.jianshu.com/p/ca6cdc825ad3使用准备设备需要root权限下载tcpdump 二进制文件http://www.androidtcpdump.com/下载wireshark 分析工具https://www.wireshark.org/安装tcpdump到设备下载tcpdump，然后拷贝到手机中adb push tcpdump /data/local/tmp/tcpdump给tcpdump可执行权限adb shell//进入shell

域名和ipwww.baidu.com 这是一个网址、是一个域名cmd中ping命令C:\Users\Tom>ping www.baidu.comPinging www.baidu.com [111.13.100.91] with 32 bytes of data:Reply from 111.13.100.91: bytes=32 time=47ms TTL=50Reply from 111.1

参考文章https://blog.youkuaiyun.com/qq_32120667/article/details/77834469https://blog.youkuaiyun.com/u010019468/article/details/72886859代码说明权限申请 <uses-permission android:name="android.permission.WRITE_SETTINGS...