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[英]Create a C++ class and Use that class In Another C++ Class Which contain JNI methods in ndk android
[英]Create an element of a c++ class in JNI
我想創建一個自己的c ++類的元素。 我的JNI函數:
JNIEXPORT void JNICALL Java_com_example_telo3_Process_inicializar_1nativo
(JNIEnv *, jobject){
Almacena almacena;
}
Almacena是一個c ++類:
#pragma once
#include <opencv2/objdetect/objdetect.hpp>
#include <opencv2/highgui/highgui.hpp>
#include <opencv2/imgproc/imgproc.hpp>
#include <iostream>
#include <stdio.h>
using namespace std;
using namespace cv;
class Almacena
{
private:
std::vector<Rect> myfaces;
std::vector<Rect> myeyes_r;
std::vector<Rect> myeyes_l;
std::vector<Rect> mynoses;
std::vector<Rect> mymouths;
Point2f P0;
Point2f P1;
Point2f P2;
Point2f P3;
public:
Almacena(void);
~Almacena(void);
void set_faces(std::vector<Rect> faces);
void set_eyes_r(std::vector<Rect> eyes_r);
void set_eyes_l(std::vector<Rect> eyes_l);
void set_noses(std::vector<Rect> noses);
void set_mouths(std::vector<Rect> mouths);
void set_P0(Point2f aux);
void set_P1(Point2f aux1);
void set_P2(Point2f aux2);
void set_P3(Point2f aux3);
std::vector<Rect> get_faces();
std::vector<Rect> get_eyes_r();
std::vector<Rect> get_eyes_l();
std::vector<Rect> get_noses();
std::vector<Rect> get_mouths();
Point2f get_P0();
Point2f get_P1();
Point2f get_P2();
Point2f get_P3();
};
我能怎么做? 因為如果我喜歡我的代碼,則會出現以下錯誤:
未定義對'Almacena ::〜Almacena()'的引用telo3第41行,外部位置:C:\\ Users \\ telo \\ Desktop \\ ANDROID \\ android-ndk-r8d \\ toolchains \\ arm-linux-androideabi-4.6 \\ prebuilt \\ windows \\ arm-linux-androideabi \\ bin \\ ld.exe:。\\ obj \\ local \\ armeabi \\ objs \\ nativo \\ nativo.o:在函數Java_com_example_telo3_Process_inicializar_1nativo:jni \\ nativo.cpp C / C ++問題
未定義對'Almacena :: Almacena()'的telo3第41行的引用,外部位置:C:\\ Users \\ telo \\ Desktop \\ ANDROID \\ android-ndk-r8d \\ toolchains \\ arm-linux-androideabi-4.6 \\ prebuilt \\ windows \\ arm -linux-androideabi \\ bin \\ ld.exe:。\\ obj \\ local \\ armeabi \\ objs \\ nativo \\ nativo.o:在函數Java_com_example_telo3_Process_inicializar_1nativo:jni \\ nativo.cpp C / C ++問題
在您的Android.mk
您應該擁有
LOCAL_SRC_FILES := nativo.cpp \
Almacena.cpp \
... all other cpp files
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