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我试图在Android上使用OpenCV人脸识别器,虽然我能够包装c代码我无法使其在英特尔凌动avd上工作.我不是100%肯定,但我认为标题中错误的原因是我想念/ lib / x86项目目录中的libopencv_java.so.
任何想法为什么缺少lib以及如何让它正常工作?
我的Android.mk看起来像:
LOCAL_PATH := $(call my-dir) include $(CLEAR_VARS) OPENCV_LIB_TYPE:=SHARED include /home/fat/ScaricatI/OpenCV-2.4.9-android-sdk/sdk/native/jnI/OpenCV.mk LOCAL_MODULE := FaceDetectionPerfoRMANces LOCAL_SRC_FILES := FaceDetectionPerfoRMANces.cpp FILE_LIST_CPP := $(wildcard $(LOCAL_PATH)/*.cpp) # finds all cpp files OPENCV_INSTall_R_206_11845@ODULES:=on include $(BUILD_SHARED_LIBRARY)
虽然我的Application.mk是
APP_STL := gnustl_static APP_CPPFLAGS := -frtti -fexceptions APP_ABI := x86 armeabi armeabi-v7a APP_PLATFORM := android-8
ndk-build日志是
18:32:16 **** Auto Build of configuration Default for project FaceDetectionPerfoRMANces **** /home/fat/android-ndk-r9d/ndk-build NDK_DEBUG=1 all Android NDK: WARNING:jni/Android.mk:FaceDetectionPerfoRMANces: non-system libraries in linker flags: -lopencv_java Android NDK: This is likely to result in incorrect builds. Try using LOCAL_STATIC_LIBRARIES Android NDK: or LOCAL_SHARED_LIBRARIES instead to list the library dependencies of the Android NDK: current module [x86] Gdbserver : [x86-4.6] libs/x86/gdbserver [x86] Gdbsetup : libs/x86/gdb.setup [armeabi] Gdbserver : [arm-linux-androideabi-4.6] libs/armeabi/gdbserver [armeabi] Gdbsetup : libs/armeabi/gdb.setup [armeabi-v7a] Gdbserver : [arm-linux-androideabi-4.6] libs/armeabi-v7a/gdbserver [armeabi-v7a] Gdbsetup : libs/armeabi-v7a/gdb.setup [x86] Compile++ : FaceDetectionPerfoRMANces <= FaceDetectionPerfoRMANces.cpp [x86] SharedLibrary : libFaceDetectionPerfoRMANces.so [x86] Install : libFaceDetectionPerfoRMANces.so => libs/x86/libFaceDetectionPerfoRMANces.so [armeabi] Compile++ thumb: FaceDetectionPerfoRMANces <= FaceDetectionPerfoRMANces.cpp [armeabi] SharedLibrary : libFaceDetectionPerfoRMANces.so [armeabi] Install : libFaceDetectionPerfoRMANces.so => libs/armeabi/libFaceDetectionPerfoRMANces.so [armeabi] Install : libopencv_java.so => libs/armeabi/libopencv_java.so [armeabi-v7a] Compile++ thumb: FaceDetectionPerfoRMANces <= FaceDetectionPerfoRMANces.cpp [armeabi-v7a] SharedLibrary : libFaceDetectionPerfoRMANces.so /home/fat/android-ndk-r9d/toolchains/arm-linux-androideabi-4.6/prebuilt/linux-x86_64/bin/../lib/gcc/arm-linux-androideabi/4.6/../../../../arm-linux-androideabi/bin/ld: warning: hidden symbol '__aeabi_atexit' in /home/fat/android-ndk-r9d/sources/cxx-stl/gnu-libstdc++/4.6/libs/armeabi-v7a/libgnustl_static.a(atexit_arm.o) is referenced by DSO ./obj/local/armeabi-v7a/libopencv_java.so [armeabi-v7a] Install : libFaceDetectionPerfoRMANces.so => libs/armeabi-v7a/libFaceDetectionPerfoRMANces.so [armeabi-v7a] Install : libopencv_java.so => libs/armeabi-v7a/libopencv_java.so 1
8:32:37建成(耗时20s.952ms)
更新1
opencvAndroidSdk包为x86 arch提供了共享库libopencv_java,但是ndk在构建时不会将它移动到libs / x86目录,而是为armeabi arch.我还尝试将它从/OpenCV-2.4.9-android-sdk/sdk/native/libs/x86/libopencv_java.so手动移动到/ libs / x86项目子目录,但是当我构建项目时,ndk删除文件.
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