how to find subnet mask on android

_iot (_iots (char), ifnamsiz,_iots (int), 1,0,0)2.ioctl functions (function in the network)Regarding this network related request, is the IOCTL in here the function and each parameter function ... can refer to this page, the explanation is very detailed:http://www.iteye.com/topic/309442The 2 IOCTL control functions in this example: It's been explained very clearly.3. With regard to the relationship between Socketaddr_in and socketaddr, a specific definition is posted below:struct SOCKADDR_IN{sh

IP address segment: 210.143.144.1 ~ 210.143.159.254, 210.143. (1001) 0000.00000000 indicates the network address and identifies a network, 210.143. (1001) 1111.11111111 is the broadcast address, which can broadcast messages to all addresses in the network. This CIDR block is equivalent to 210.143.144.0/20, that is, 210.143. (1001) 0000.00000000, and 20 indicates the subnet mask, The

Thread,name:" + thread.currentthread (). GetName ( ) + ", ID:" + thread.currentthread (). GetId ()); Tv_result.settext ("OnCreate refresh TextView");}). Start ();} @Overrideprotected void OnStart () {Super.onstart (); New Thread (New Runnable () {@Overridepublic void run () {LOG.E ("test", "child thre Ad,name: "+ thread.currentthread (). GetName () +", ID: "+ thread.currentthread (). GetId ()); Tv_result.settext (" OnStart Refresh TextView ");}). Start ();} @Overrideprotected void Onresume () {

(Analysis with someone else's code) do not know in development is not often used to this effect, so-called mask layer is to give a picture is not the shape we want, this time we can use the mask effect to make this image we want to shape, generally use the most is the round effect, such as:The above picture is circular, and we this original is square, so we may need such a

(Analysis with someone else's code) do not know in development is not often used to this effect, so-called mask layer is to give a picture is not the shape we want, this time we can use the mask effect to make this image we want to shape, generally use the most is the round effect, such as:The above picture is circular, and we this original is square, so we may need such a

The scene is like this, the site filter button click after the pop-up layer (fixed), when the input box to get focus after the pop-up system with the soft keyboard, on Android 10 browser to test the comparison, found in the 360 browser pop-up keyboard after the text box to get focus is covered by a soft keyboard. Screenshot below (No soft keyboard focus is available) (The situation where the Chrome browser is tuned to the soft keyboard) (360 b

Warning:can ' t find superclass or interfaceWarning:can ' t find referenced classThe solution to these two problems:1. Use the "-libraryjars package path" To specify the third-party jar package that you have introduced in your project. 2. If you still have an error, make sure that the class for the error is not used in your project, use the "-dontwarn class name to express"