The Linux system maps each driver into a single file. These files are called device files or drive files and are saved in the/dev directory. The most important step in writing a Linux driver is to write a callback function, otherwise data that
1, downloadNDK,Latest VersionAndroid-ndk-r9.Windows 32-bit version :Http://dl.google.com/android/ndk/android-ndk-r9-windows-x86.zipWindows 64-bit version :Http://dl.google.com/android/ndk/android-ndk-r9-windows-x86_64.zip2. Unpack the compressed
Refer to the following 2 articles and make a small change.Http://recursify.com/blog/2013/05/25/building-freeimage-for-androidHttp://blog.sina.com.cn/s/blog_4119bd830100w7ov.html1. Download The source code of Freeimage 3.15.4 from the official
Makethe command-line options-B-MIgnored to provide other versions of Make compatibility.-B--always-makeForces the target of all rules to be rebuilt, without deciding whether to rebuild the target file based on the rule's dependency description.-C
5. the file upload mechanism of php is to keep the files uploaded by users in php. the temporary directory defined by the upload_tmp_dir of ini (the default is the temporary directory of the system, such as:/tmp). a random temporary file similar to
Tutorial:
1. Prepare and configure the development environment:
Development Environment: Mac ox 10.7.3 + xcode4.2 + ndk R7 + eclipse Helios
Deployment environment: ZTE v880 has gone through the ROM of 2.3.5, And the simulator is API
In fact, it has nothing to do with the upper layer, mainly through C to complete the basic operations of files. Sorry, you don't have enough time to talk about it. Stick it to the key.Code.
Key File Code:
Mainactivity. Java
Package com. Scan.
Because the project needs to use network development in ndk,C LanguageFor network development, the libcurl library is a good choice, but the library is not included in the Android system, so you have to port it yourself.
The following is a
To compile a third-party or self-developed APK file into a system file (system. IMG:1 (1) After the source code is compiled, copy the APK to out \ target \ product \ Generic \ System \ app.(2) run the make Snod command to compile the added SPK into
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JNI has not been able to learn the system. Revisit the HelloWorld of JNI today main reference http://www.cnblogs.com/yejiurui/p/3476565.htmlThis article records your feelings.JNI Development process:Write native Import class--Write the header file,
LIBUV has proven very mature through the practice and application of node. js, which was originally used for the project: Clsocket Https://github.com/DFHack/clsocket chose it primarily because it supported windows, Linux, Mac OSX (I guess), but the
relationship between 1.JNI and NDK:the role of 1.1:jniThere will be close communication between the Java layer and the C layer. At this point, the JNI (Java Native Interface) acts as an interface between the two sides.With the JNI interface, you can
Use GDB to Debug PHP code to solve the endless PHP code loop problem, gdbphp. Debug the PHP code using GDB to solve the endless PHP code loop problem. when gdbphp recently helped a colleague solve the SwooleServer problem, it found that one worker
In the previous example, we would find that when a method is defined in a Java class, such as the following:public class Paramtransfertest {public static int testval = 1;public native void Changetestval ();In the corresponding JNI layer, the header
Linux Kernel (Android) encryption algorithm Summary (iii)-Application call Kernel cryptographic algorithm interfaceThe method of how to invoke interfaces in the kernel is described.This section is mainly about how to invoke the AES encryption
For ISPs that provide public network services, we recommend that apache and php use the public settings with minimum permissions for security reasons. the PHP extension of ApacheVirtualhost can be used to meet the special security performance
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