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copied!<p>You first need to learn about JNI (Java native Interfaces) using which you can bridge your c/c++ code with the java/android code. I have previously worked on ndk so i suggest you to do some readup from android-ndk readme. </p> <p>Requirements:</p> <p>*Download Android-ndk from Android official website.</p> <p>*Install cygwin for windows, i recommend you to use linux for development in ndk as you have a readymade terminal available there.</p> <p>*set environment variable with ndk-path.</p> <p>*Inside your Android project create a directior "<strong>jni</strong>"</p> <p>*This folder should contain all your c/c++ files. and an android makefile "Android.mk" using which the android ndk-build will compile your c/c++ program you need to use in you android application.</p> <p>*Now how to use JNI to glue your android app with your c/c++ code you can see in the videos of "Marakana for android ndk". Link for the same is given below:</p> <p><a href="http://www.google.co.in/url?sa=t&rct=j&q=&esrc=s&source=web&cd=3&cad=rja&ved=0CDYQtwIwAg&url=http://www.youtube.com/watch?v=YvCRlJToCAg&ei=gJ0IUruKLcPSrQfIkYGoDw&usg=AFQjCNG3IpyIZfS5z5HB7E2yhB40xgmdTg&bvm=bv.50500085,d.bmk" rel="nofollow">Tutorial</a></p> <p>The contents of makefile for your requirements are:</p> <pre><code> LOCAL_PATH := $(call my-dir) TARGET_ARCH_ABI := armeabi-v7a include $(CLEAR_VARS) LOCAL_MODULE := gifflen LOCAL_ARM_MODE := arm LOCAL_C_INCLUDES := \./Include/ LOCAL_SRC_FILES := \./Source/dib.c \./Source/gifflen.c include $(BUILD_SHARED_LIBRARY) $(call import-module) </code></pre> <p>Under jni, put your Create a source foler and Include folder. Addyour .c/cpp files in Source directory and .h files in Include directory</p>

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