JNI开发示例

安装:eclipse(http://www.eclipse.org/)、CDT(C/C++ Development Tooling)、ADT(Android Development Tools)php

https://dl-ssl.google.com/android/eclipse/ html

 

能够先从官方下载jar,而后本地安装:http://www.eclipse.org/cdt/downloads.php java

 

下载Android NDK (Native Development Kit)http://developer.android.com/tools/sdk/ndk/index.html android

JNI的使用方法 git

使用javah创建C/C++的头文件(*.h) github

切换到src目录,而后输入命令(注意编码): eclipse

将.h复制到jni目录下 svn

若是运行出错,参考这里下载资源:http://blog.csdn.net/wjr2012/article/details/16359113 post

Image(13)

 

在C++中调用Java方法设置文本的内容 google

最后咱们经过Android的点击事件来调用C++,该C++方法调用Java方法来弹出一个对话框

效果以下图

 

源代码已经上传至github https://github.com/zhangyi/AndroidJNIProject

 

 

最后附上一些JNI的参考连接:


https://en.wikipedia.org/wiki/Java_Native_Interface

https://newcircle.com/s/post/1292/jni_reference_example

http://journals.ecs.soton.ac.uk/java/tutorial/native1.1/implementing/index.html

 

返回值为jintArray、jbyteArray、jlong、jobjectArray、jint、jboolean、jobjectArray、void的示例代码
https://joinup.ec.europa.eu/svn/mocca/osx-pcsc-jni/trunk/openjdk7/pcsc.c 

Java Programming Tutorial Java Native Interface(JNI)
https://www3.ntu.edu.sg/home/ehchua/programming/java/JavaNativeInterface.html
 
Call Java functions from C++ in cocos2d-x
http://stnguyen.com/cocos2d-x/call-java-functions-from-cpp.html

Call C++ functions from Java in cocos2d-x
http://stnguyen.com/cocos2d-x/call-cpp-functions-from-java.html

Java programming with JNI
http://www.ibm.com/developerworks/java/tutorials/j-jni/j-jni.html
 
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