PHP detects mobile device mobiledetection instances. Currently, it is normal that a website has multiple versions, such as PC, 3G, and mobile. Based on different browsing devices, we need to direct them to different versions. In addition, we have a website that has multiple versions, such as PC, 3G, and mobile. Based on different browsing devices, we need to direct them to different versions. In addition, we sometimes need to load different CSS based
Article Title: general process of USB device detection in LINUX. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source.
USB device detection is also performed through the USB file system u
Here are some JavaScript detection codes to detect iphones, ipods, and ipad devices.
Copy Code code as follows:
Apple Detection Object
var Apple = {};
apple.ua = navigator.useragent;
Apple.device = false;
Apple.types = ["IPhone", "IPod", "IPad"];
for (var d = 0; d var t = apple.types[d];APPLE[T] =!! Apple.UA.match (New RegExp (T, "I"));Apple.device = Apple.device | | APPLE[T];}
Is this th
USB device detection is also performed through the USB file system under the/proc directory. To make a USB device work properly, you must insert a USB Bridge module into the system. At the beginning of the check, it is generally necessary to check whether the/proc/bus/usb directory exists. If not, try to insert the USB Bridge module.There are two types of USB bri
Sensor temperature" +tempstring); Break; default: Mtvsensor.settext (Mtvsensor.gettext (). toString ()+S.gettype ()+ "Unknown sensor" +tempstring); Break; } }Iv. acquiring storage space for the device//get total device storage space Public Static Longgetsdcardsize () {File path=environment.getexternalstoragedirectory (); StatFs StatFs=NewStatFs (Path.getpath ()); //get the size of a single block o
JavaScript-sample code for Apple device detection. For more information, see the javascript code used to detect iPhone, iPod, and iPad devices.
The Code is as follows:
// Apple detection objectVar Apple = {};Apple. UA = navigator. userAgent;Apple. Device = false;Apple. Types = ["iPhone", "iPod", "iPad"];
For (var
VC detection USB device insertion or removal [drink the net of wine to pick]http://blog.hehehehehe.cn/a/412.htm1. Add a message mapMessage mapBegin_message_map (Constnetcndlg, CDialog){{Afx_msg_map (CONSTNETCNDLG)On_wm_paint ()On_wm_querydragicon ()...On_wm_devicechange ()}}afx_msg_mapTo declare a message response function:afx_msg BOOL Ondevicechange (UINT neventtype, DWORD dwdata);Define function Contents:
IOS development detection device shake
Two Methods for device shaking detection are described below:
Method 1
First, add
-(BOOL) application :( UIApplication *) application didfinishlaunchingwitexceptions :( NSDictionary *) launchOptions
{
// Override point for customization after application launch
// Add
Some javascript code is provided to detect iPhone, iPod, and iPad devices.Copy codeThe Code is as follows:// Apple detection objectVar Apple = {};Apple. UA = navigator. userAgent;Apple. Device = false;Apple. Types = ["iPhone", "iPod", "iPad"];
For (var d = 0; d Var t = Apple. Types [d];Apple [t] = !! Apple. UA. match (new RegExp (t, "I "));Apple. Device = Apple.
USB device detection is also performed through the USB file system under the/proc directory. To make a USB device work properly, you must insert a USB Bridge module into the system. At the beginning of the check, it is generally necessary to check whether the/proc/bus/usb directory exists. If not, try to insert the USB Bridge module.
There are two types of USB b
Gets the user agent string and all lowercase.
var ua = Navigator.userAgent.toLowerCase ();
document.write (UA);
In the previous article, we introduced the browser rendering engine, platform, Windows operating system, mobile device and game system based on JavaScript code detection Access Web page
, interested friends can click the full text to learn more details.
1. Identify the rendering engine
The
is horizontal screen.
The way to get the results know, the next is how to monitor the device reversal event, since Orientationchange is not available, use the most basic resize event or use timer detection, or look at the code:
(function () {
var updateorientation = function () {
var orientation = (Window.innerwidth > Window.innerheight) ? ' Landscape ': ' Portrait ';
Document.body.parentNod
The last few hundred lines displayed on the front screen will be in the buffer for you to check.
To browse the buffer, you can pressScroll lockThis will enable the screen scrolling function. Then you can use the direction key orPageup,PagedownKey. RepressScroll lockThe key stops the screen scrolling.
You will see a similar picture when browsing. The real result varies depending on your computer device.
Figure. Typical
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