Zbar Android SDK source code compilation

Zbar, parsing bar code and two-dimensional code of another weapon, Zbar code is written in C language, if you want to use the Zbar class library under Android, you need to use the NDK to compile zbar. So load use, Zbar compiled Android SDK can be downloaded on the official website, address : http://zbar.sourceforge.net/

The following explains how we compile Zbar's Android SDK, my development environment for Win7 64+ant 1.9.5+cygwin64+android-ndk-r9d-windows-x86_64

1. Preparatory work

1.1 Download ANT, configure environment variables, and add%ant_home%\bin in Path path

Enter the ant-v command at the command line with the following message indicating that the ant installation configuration was successful

1.2 Download Install Cygwin 64-bit version

1.3 Download Install NDK 64-bit version, extract to the specified directory, such as D:\Software\android-ndk-r9d

1.4 Download the Zbar code from Https://github.com/zbar/zbar, unzip the following directory as follows:

2. Compiling the SDK

2.1 compiling Libiconv

Download Libiconv source libiconv-1.14.tar.gz from Http://www.gnu.org/software/libiconv website, extract to the specified directory, such as C:\libiconv-1.14

Open Cygwin, switch to the C:\libiconv-1.14 directory, and enter the following command: ./configure--build=x86_64-pc-linux-gnu--host=arm-linux-eabi

Modify Libcharset/config.h file To change # define Have_langinfo_codeset 1 to # define Have_langinfo_codeset 0

Modify the file Libcharset/lib/localcharset.c file in function get_charset_aliases (void), search: int c; Place the variable definition at the beginning of the function.

2.2 Compiling SDK Packages

Open the command line, switch to Zbar's Android directory, and enter the command Android update Project--path.

If an error occurs, first enter the command Android list target to list the current target, and then in the command Android Update Project--path. After adding the corresponding target, as follows:

Open the Build-ndk.xml file, modify the Ndk-build to Ndk-build.cmd, and add source= "1.6" target= "1.6" in the Javac node

Then execute the following command on the command line ant-dndk.dir=d:\software\android-ndk-r9d-diconv.src=c:\libiconv-1.14 Zbar-all, where D:\Software\ android-ndk-r9d

For the NDK path, the C:\libiconv-1.14 is the source file path for Libiconv, which indicates that the compilation was successful if the following information appears

At this point we can see the newly compiled files in the Android\libs directory

Zbar Android SDK source code compilation