JAVA-determine whether the request comes from the PC or mobile phone, java-pc
In some cases, we need to determine whether the Http request comes from a mobile phone or a computer. The key is to obtain the User-Agent information and perform filtering and determination.
The core classes are as follows:
123456789
Obtain the APK information (package name, version, version number, size, permission...) in a pure JAVA environment, and obtain the APK information on the PC end in a pure JAVA language.
Obtain APK information in a pure JAVA environment: package name, version, version number, size, permission...
To obtain APK informatio
Java music player-Lele music (PC Edition) and java music player
Lele music is a java music player developed based on musique. a music player of the android version has been developed before. Now, the android version code is transplanted to the PC version. However, I encounte
Obtain the APK information (package name, version, version number, size, permission...) in a pure JAVA environment, and obtain the APK information on the PC end in pure JAVA language. The apk package name
Obtain APK information in a pure JAVA environment: package name, version, version number, size, permission...
To ob
permissions, permissions are I blocked offList listpermission = Root.getchildren ("uses-permission");//child node is a collection list permissions = new ArrayList (); for (Object object:listpermission) {String permission = ((Element) object). Getattributevalue ("name", NS);p Ermissions.add ( permission);} Apkinfo.setuses_permission (permissions);This section is the code that gets the permissionSOURCE downloadRespect the original, reproduced please specify the source:http://blog.csdn.net/chillax
Problems encountered when developing Bluetooth in PC-side java, pcjava
For project reasons, we need to develop a client that transmits data via Bluetooth on the computer. I use JAVA and JSME for development.
Client: Search for the Bluetooth signal, and find the corresponding Bluetooth signal to connect.
Server: the Bluetooth signal that the client needs to connec
Both JDK and JRE install C drive by default.
System variables → new java_home variable, variable value fill in the JDK installation directory (I am C:\Program files\java\jdk1.8.0_131).
system variable → new CLASSPATH variable value filled in.; %java_home%\lib\dt.jar;%java_home%\lib\tools.jar; (Note that there is a point in the front).
System variables → new path variable, variable value write C:\Program files\
tasks, including creating a service record describing the service provided, accepting a connection from the client, and adding a new service record to the service Discovery Database (SDDB) of the service device.The software I use is an ADT integrated development tool that I previously compiled for Android.32-bit Java development environment.The PC side uses the Bluetooth adapter, which installs the bluesol
MAVEN dependencies are as follows:
The last thing to pay special attention to is about the signature, signature generation MD5 Class I am from the micro-letter website directly download the Java version of the demo program to get, suggest you also, because this is to ensure that MD5 signature is the best choice for the same. The specific generation of signature algorithm can be viewed in the micro-credit Official document, here also str
Java Enterprise website both front and back of the source has a static template engine, code generator greatly improve the development efficiencyFront Desk: Support two sets of templates, can switch in the backgroundSystem Introduction: 1. The website backstage uses the mainstream SSM framework JSP JSTL, the website backstage uses the Freemaker static template engine to generate the HTML 2. Because it is generated HTML, so the access speed, light, the
assigned to the variable, and then set the message to read3. Call Java to control the functions of the Windows system and then pass in the subject control command.Problems encountered:1. How can I get new mail at any time? So we thought of multi-threading, so I used a thread-dead loop to iterate through the mailing list, with the specified new mail immediately accepted (but there are still some problems in the process Control)2, sometimes connect the
How does the Java backend determine whether the access request is mobile or PC-side?It is mainly based on the parameter user-agent of the request header in HttpServletRequest requests:String useragent = Request.getheader ("user-agent");if (Useragent.indexof ("Android")! =-1) {AndroidString Defaultfailureurl = "/login_moblie.jsp";System.out.println ("Android Access!!! "+" no login, return page = = = "+defaul
Front Desk: Support Four sets of templates, can be switched in the backgroundSystem Introduction:1. The website backstage uses the mainstream SSM frame JSP JSTL, the website backstage uses the Freemaker Static template engine generates HTML2. Because it is generated HTML, so the access speed, light, the server burden small3. The front-end of the website adopts the mainstream responsive layout, the same page supports PC, tablet, Mobile (triple) browser
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.