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Android obtains the IP address of the device. Overall retrieval: You can use mobile data to access the Internet and obtain IP addresses. You can also use WiFi to obtain IP addresses. public static String getPhoneIp() { try { for (Enumeration en = NetworkInterface.getNetworkInterfaces(); en.hasMoreElem

Overall access can be mobile data on the Internet get IP also can WiFi access methodpublic static String Getphoneip () { try {for (enumerationWiFi Get IP methodPrivate String inttoip (int IP) {return (IP 0xFF) + "." + ((IP >> 8) 0xFF) + "." + ((

Android Phone/pad The default is to obtain an IP address automatically, you can set the IP address manually for a connected or connected signal. Detailed steps are as follows: Note: different manufacturers, versions of the Android system, set the static IP address of

I, broadcast recipientBroadcast recipient Broadcastreceiver, how to understand the broadcast receiver?System, there are many special events, such as SD card mount, outgoing calls, receive SMS and other events. We just have to register a broadcast receiver, the equivalent of buying a radio, we can receive these special events.These events, when they happen, always send out broadcasts.II, implementing IP dialing1)Effect: Enter a number to be stored as a

This article describes the Android implementation approach to acquiring wired and wireless IP addresses. Share to everyone for your reference. Specifically as follows: To do the development of Android, encountered the problem of getting a wired IP address. Not much to say code! for (enumeration Analysis:

Operation Steps: To increase the WiFi safety factor, you can turn off DHCP without wiring, so that when you connect to WiFi, you need to set up a static IP.Here's how to set up static IP under Android 4.0. Note: 1, open wifi; 2, click on the need to connect the WiFi access point name; 3, enter the password, the input method hidden will find "Display password" and "Show advanced options", or long by sig

mainactivity: Package CN. testip; import java.net. inetaddress; import java.net. networkinterface; import java.net. socketexception; import Java. util. enumeration; import android. OS. bundle; import android. app. activity;/*** demo Description: * get the IP address of a mobile device */public class mainactivity extends activity {@ overrideprotected void oncreat

{returnloadfileasstring ("/sys/class/net/eth0/address"). toUpperCase (locale.english). substring (0, NBSP;17);} catch (Ioexceptione) {returnnull;}} Privatestringloadfileasstring (Stringfilepath) throwsjava.io.IOException{ StringBufferfileData=new StringBuffer (bufferedreaderreader); =newbufferedreader (Newfilereader (filePath)); char[]buf=newchar[1024];intnumRead=0; while ((Numread=reader.read (BUF)) !=-1) { stringreaddata=string.valueof (Buf,0,numread); filedata.append (ReadData); } reader.clo

Java codeAndroid general method of getting Ip address edit documentCredits + 2Hello everyone, let's talk about some methods for Android to obtain Ip addresses. In our development, we have determined whether the mobile phone is connected to the Internet or whether we want to obtain the Ip address of the current mobile p

Android obtains the ip address and the physical address of the local machine. /*** Get ip ** @ return */public static String getLocalIPAddress () {try {for (Enumeration En = NetworkInterface. getNetworkInterfaces (); en. hasMoreElements ();) {NetworkInterface intf = en. nextElement (); for (Enumeration EnumIpAddr = intf. getInetAddresses (); enumIpAdd

This article describes the Android implementation of the program to modify the mobile phone static IP method. Share to everyone for your reference. Specifically as follows: This shows a way to dynamically modify mobile phone static IP programmatically, which can be used for WiFi access point switching public void OnCreate (Bundle savedinstancestate) {sup

When I was working on a project recently, I encountered a small problem and recorded it in my blog. Because the project needs to obtain the WiFi-IP address of the current Android system, it is habitually searched on the Internet, and a code segment is used and tested. The Code is as follows: 1 try { 2 for (Enumeration As a result, a problem occurred during project delivery and the customer could not u

From: http://orgcent.com/android-wifi-mac-ip-address/ |Blog of radish Cabbage I thought that the MAC address of the Wi-Fi network card could not be obtained without enabling the WiFi function. After the real machine test, I found that only the obtained MAC address is 0, of course, no IP address is allocated when WiFi is not connected. Take a look at the following

On the Internet, we can see that many basic tutorials use 127.0.0.1 as the IP address of the PC host when connecting the simulator to the PC host. In fact, this error occurs.If you use this address, it is like we usually use a PC to debug some WebProgramThe localhost is the same, but in the Android system, localhost points to the Android system. Therefore, when t

Original: http://www.cnblogs.com/android100/p/Android-get-ip.html1. Use WiFiSet user Permissions First uses-permission android:name="Android.permission.ACCESS_WIFI_STATE"> Uses-permission> uses-permission android:name="Android.permission.CHANGE_WIFI_STATE"> Uses-permission> uses-permission android:name="Android.permission.WAKE_LOCK">uses-permission > Second, the code is as follows Public void OnCreate (Bundle savedinstan

Today, the use of Android phones to the virtual machine on the Ubuntu built on the Nginx and rtmp server push things, how can not be pushed up.Later in CMD under Windows:# adb Shell# ping 192.168.0.56Simply ping the IP of the virtual machine, found that the virtual machine's IP and Windows host IP is no longer a networ

, available with port number (1024-65536)Private Boolean Matcherip (String IP) { pattern pattern = pattern.compile ("^ (?! \\d\\d\\d) (\\d+|1\\d\\d|2[0-4]\\d|25[0-5]) " +" \ \. ( (?!\\d\\d\\d) (\\d+|1\\d\\d|2[0-4]\\d|25[0-5]) " +" \ \. ( (?! \\d\\d\\d) (\\d+|1\\d\\d|2[0-4]\\d|25[0-5]) " +" \ \. ( (?! \\d\\d\\d) \\d+|1\\d\\d|2[0-4]\\d|25[0-5] " +":((102[4-9]) | ( 10[3-9]\\d) | ([1-5]\\d

PackageCom.jason.demo.androidip;ImportAndroid.content.Context;ImportAndroid.net.DhcpInfo;ImportAndroid.net.wifi.WifiInfo;ImportAndroid.net.wifi.WifiManager;ImportAndroid.text.format.Formatter; Public classIPAddress { PublicString getipaddress (Context ctx) {//Get WiFi serviceWifimanager Wifimanager =(Wifimanager) Getsystemservice (Context.wifi_service); //determine if WiFi is turned on if not turned on this method will turn on WiFi if(!wifimanager.iswifienabled ()) {wifimanager.setwifienab

This time in learning Android socket programming, I am not dedicated to do the app, do is bootloader, drive, HAL, the framework of this line, that is, system building and functional optimization design. In order to get through this whole line, learn a lot of things for this, today, the Android socket learning record, to prevent such a low-level error later.I here is in the Geek Institute of the source code

Hello everyone, let's talk about some methods for Android to obtain IP addresses. In our development, we have determined whether the mobile phone is connected to the Internet or whether we want to obtain the IP address of the current mobile phone, of course, the sum of Wi-Fi connections The IP addresses of our 3g cards