android-java.lang.UnsatisfiedLinkError：dalvik.system.PathClassLoader [DexPathList…]找不到“ libdetection

概述当我尝试运行OpenCV示例进行面部检测时出现此错误.我已经设置了AndroidSDK路径和NDK路径.同时设置了android.mk文件和Application.mk文件.我不明白为什么会收到此错误.请帮忙.Android.mkLOCAL_PATH:=$(callmy-dir)include$(CLEAR_VARS)#OPENCV_CAMERA_MODU

当我尝试运行OpenCV示例进行面部检测时出现此错误.我已经设置了Android SDK路径和NDK路径.同时设置了androID.mk文件和Application.mk文件.我不明白为什么会收到此错误.请帮忙.

AndroID.mk

    LOCAL_PATH := $(call my-dir)    include $(CLEAR_VARS)    #OPENCV_CAMERA_MODulES:=off    #OPENCV_INSTALL_MODulES:=off    #OPENCV_liB_TYPE:=SHARED    ifdef OPENCV_ANDROID_SDK     ifneq ("","$(wildcard $(OPENCV_ANDROID_SDK)/OpenCV.mk)")      include ${OPENCV_ANDROID_SDK}/OpenCV.mk     else      include ${OPENCV_ANDROID_SDK}/sdk/native/jnI/OpenCV.mk  endif  else  include C:/Users/m/Downloads/opencv-3.2.0-androID-sdk/OpenCV-androID-sdk/sdk/native/jnI/OpenCV.mkendifLOCAL_MODulE     := detection_based_trackerLOCAL_SRC_fileS  := DetectionBasedTracker_jni.cppLOCAL_C_INCLUDES += $(LOCAL_PATH)LOCAL_LDliBS     += -llog -ldlinclude $(BUILD_SHARED_liBRARY)

Application.mk

APP_STL := gnustl_staticAPP_CPPFLAGS := -frtti -fexceptionsAPP_ABI := armeabi-v7aAPP_PLATFORM := androID-25

Local.propertIEs

ndk.dir=C\:\Users\m\documents\androID-ndk-r13b-windows-x86_64\androID-ndk-r13bsdk.dir=C\:\Users\m\AppData\Local\AndroID\sdk1

解决方法:

确保openCVSamplefacedetection build.gradle文件中存在此块：

externalNativeBuild {    ndkBuild {         path 'src/main/jni/AndroID.mk'    }}

另外,请确保已将AndroID NDK的PATH导出到环境变量.

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