我正在C++中使用OpenCV和JsonCpp构建一个库,为Android和iOS构建一个库。在X-Cross平台库上使用JsonCpp
在测试我的库为Android,我正在做的JNI文件,但是当我尝试加载库我越来越
java.lang.UnsatisfiedLinkError: dlopen failed: cannot locate symbol "_ZN4Json6WriterD2Ev" referenced by "libXYZ.so"...
那是因为我觉得我不是我建的JSON库很好。
我用的图书馆是这一个:https://github.com/open-source-parsers/jsoncpp
我Android.mk是:
LOCAL_PATH := $(call my-dir)
include $(CLEAR_VARS)
OPENCV_CAMERA_MODULES:=off
OPENCV_INSTALL_MODULES:=on
include $(LOCAL_PATH)/jsoncpp/Android.mk
include /Users/localmac/Desktop/AndroidDevelopment/OpenCV-2.4.9-android-sdk/sdk/native/jni/OpenCV.mk
OPENCV_LIB_TYPE:=SHARED
LOCAL_C_INCLUDES += $(LOCAL_PATH)
LOCAL_C_INCLUDES += /Users/localmac/mylibrary/OpenCVtry/
LOCAL_C_INCLUDES += /Users/localmac/Desktop/RD/OpenCVtry/Libraries/jsoncpp-master/include
LOCAL_ALLOW_UNDEFINED_SYMBOLS := true
LOCAL_MODULE := libXYZ
LOCAL_SRC_FILES := androidClass.cpp main.cpp utils.cpp
LOCAL_LDLIBS += -llog -ldl
include $(BUILD_SHARED_LIBRARY)
我不知道该怎样做到这一点的想法。
预先感谢您。
编辑它不是NDK编译的错。
即使我编译JsonCpp,我得到的
java.lang.UnsatisfiedLinkError: dlopen failed: cannot locate symbol "_ZN4Json6WriterD2Ev" referenced by "libXYZ.so"...
编辑我jsoncpp/Android.mk:
LOCAL_PATH := $(call my-dir)
include $(CLEAR_VARS)
LOCAL_CPP_EXTENSION := .cpp LOCAL_MODULE := libJsoncpp
LOCAL_C_INCLUDES := $(LOCAL_PATH)/jsoncpp/include
LOCAL_SRC_FILES := src/lib_json/json_reader.cpp \ src/lib_json/json_value.cpp \ src/lib_json/json_writer.cpp
include $(BUILD_SHARED_LIBRARY)
我没有看到你的makefile中的jsoncpp lib链接在哪里。 – JBL 2014-09-26 14:41:02
对不起,我加了......我正在编辑它 – 2014-09-26 14:41:36
你的jsoncpp的'android.mk'的内容是什么? :) – JBL 2014-09-26 14:42:43