【学习Android NDK开发】搭建Android NDK开发环境（Ubuntu 12.04 LTS 32-bit）

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1、安装make build工具

执行以下命令：

sudo apt-get install build-essential

2、下载NDK

官网下载页：http://developer.android.com/tools/sdk/ndk/index.html

选择Linux 32/64-bit (x86)版本，下载

下载成功后，解压到/usr/lib/目录下

3、配置Eclipse插件

a) 搭建SDK开发环境，参考：【学习Android NDK开发】搭建Android SDK开发环境（Ubuntu 12.04 LTS 32-bit）

打开Eclipse，设置NDK路径，Window -> Preferences -> Android -> NDK

b) 右键点击项目，Android Tools -> Add Native Support

前提：Eclipse成功安装ADT

4、调试

a) 更新C/C++ Build配置

右键点击项目，Properties -> C/C++ Build -> Builder Settings

Builder Command，由"ndk-build"添加参数“NDK_DEBUG=1”

In NDK r5, ndk-build has been modified to make it easier to switch betweenrelease and debug builds. This is done by using the NDK_DEBUG variable.For example:  $NDK/ndk-build NDK_DEBUG=1  => forces the generation of debug binaries  $NDK/ndk-build NDK_DEBUG=0  => forces the generation of release binariesIf you don't specify NDK_DEBUG, ndk-build will keep its default behaviour,which is to inspect the AndroidManifest.xml, if any, and see if its<application> element has android:debuggable="true".IMPORTANT: If you use the build tools of SDK r8 (or higher), you           won't need to touch your AndroidManifest.xml file at all!           That's because if you build a debug package (e.g. with           "ant debug" or the corresponding option of the ADT plugin),           the tool will  automatically pick the native debug files           generated with NDK_DEBUG=1.Also, as a convenience, the release and debug object files generated by theNDK are now stored in different directories (e.g. obj/local/<abi>/objs andobj/local/<abi>/objs-debug). This avoids having to recompile all your sourceswhen you switch between these two modes (even when you only modified one ortwo source files).

b) 右击项目，Debug As -> 3 Android Native Application

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