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# creates target "${_target}_android_project" for building standard Android project
macro(add_android_project _target _path)
SET (android_dependencies opencv_contrib opencv_legacy opencv_objdetect opencv_calib3d opencv_features2d opencv_video opencv_highgui opencv_ml opencv_imgproc opencv_flann opencv_core)
if(NOT BUILD_SHARED_LIBS)
LIST(APPEND android_dependencies opencv_androidcamera)
endif()
if (ANDROID AND CAN_BUILD_ANDROID_PROJECTS)
file(GLOB_RECURSE res_files_all RELATIVE "${_path}" "${_path}/res/*")
file(GLOB_RECURSE jni_files_all RELATIVE "${_path}" "${_path}/jni/*.c*" "${_path}/jni/*.h*")
file(GLOB_RECURSE src_files_all RELATIVE "${_path}" "${_path}/src/*.java")
#remove .svn
set(res_files)
foreach(f ${res_files_all})
if(NOT f MATCHES "\\.svn")
list(APPEND res_files "${f}")
endif()
endforeach()
set(jni_files)
foreach(f ${jni_files_all})
if(NOT f MATCHES "\\.svn")
list(APPEND jni_files "${f}")
endif()
endforeach()
set(src_files)
foreach(f ${src_files_all})
if(NOT f MATCHES "\\.svn")
list(APPEND src_files "${f}")
endif()
endforeach()
# get temporary location for the project
file(RELATIVE_PATH build_path "${OpenCV_SOURCE_DIR}" "${_path}")
SET(build_path "${CMAKE_BINARY_DIR}/${build_path}")
# copy project to temporary location
SET(${_target}_project_files)
foreach(f ${res_files} ${src_files} "AndroidManifest.xml")
if(NOT "${build_path}" STREQUAL "${_path}")
#this is not needed in case of in-source build
add_custom_command(
OUTPUT "${build_path}/${f}"
COMMAND ${CMAKE_COMMAND} -E copy "${_path}/${f}" "${build_path}/${f}"
DEPENDS "${_path}/${f}"
COMMENT ""
)
endif()
list(APPEND ${_target}_project_files "${build_path}/${f}")
endforeach()
# process default.properties
file(STRINGS "${_path}/default.properties" default_properties REGEX "^android\\.library\\.reference\\.1=.+$")
if (default_properties)
# has opencv dependency
file(RELATIVE_PATH OPENCV_REFERENCE_PATH "${build_path}" "${CMAKE_BINARY_DIR}")
add_custom_command(
OUTPUT "${build_path}/default.properties"
OUTPUT "${build_path}/build.xml"
OUTPUT "${build_path}/local.properties"
OUTPUT "${build_path}/proguard.cfg"
COMMAND ${CMAKE_COMMAND} -E echo "" > "default.properties"
COMMAND ${ANDROID_EXECUTABLE} update project --name "${_target}" --target "${ANDROID_SDK_TARGET}" --library "${OPENCV_REFERENCE_PATH}" --path .
WORKING_DIRECTORY ${build_path}
DEPENDS ${${_target}_project_files}
DEPENDS "${CMAKE_BINARY_DIR}/default.properties"
DEPENDS "${CMAKE_BINARY_DIR}/AndroidManifest.xml"
COMMENT "Updating android project - ${_target}"
)
else()
# has no opencv dependency
add_custom_command(
OUTPUT "${build_path}/default.properties"
OUTPUT "${build_path}/build.xml"
OUTPUT "${build_path}/local.properties"
OUTPUT "${build_path}/proguard.cfg"
COMMAND ${CMAKE_COMMAND} -E echo "" > "default.properties"
COMMAND ${ANDROID_EXECUTABLE} update project --name "${_target}" --target "${ANDROID_SDK_TARGET}" --path .
WORKING_DIRECTORY ${build_path}
DEPENDS ${${_target}_project_files}
COMMENT "Updating android project - ${_target}"
)
endif()
if("${build_path}" STREQUAL "${_path}")
#in case of in-source build default.properties file is not generated (it is just overwritten :)
SET_SOURCE_FILES_PROPERTIES("${build_path}/default.properties" PROPERTIES GENERATED FALSE)
endif()
list(APPEND ${_target}_project_files "${build_path}/default.properties" "${build_path}/build.xml" "${build_path}/local.properties" "${build_path}/proguard.cfg")
# build native part of android project
if(jni_files)
INCLUDE_DIRECTORIES("${_path}/jni")
FILE(STRINGS "${_path}/jni/Android.mk" JNI_LIB_NAME REGEX "LOCAL_MODULE[ ]*:=[ ]*.*" )
string(REGEX REPLACE "LOCAL_MODULE[ ]*:=[ ]*([a-zA-Z_][a-zA-Z_0-9]*)[ ]*" "\\1" JNI_LIB_NAME "${JNI_LIB_NAME}")
SET(jni_sources)
foreach(src ${jni_files})
list(APPEND jni_sources "${_path}/${src}")
endforeach()
ADD_LIBRARY(${JNI_LIB_NAME} MODULE ${jni_sources})
TARGET_LINK_LIBRARIES(${JNI_LIB_NAME} ${OPENCV_LINKER_LIBS} ${android_dependencies})
set_target_properties(${JNI_LIB_NAME} PROPERTIES
OUTPUT_NAME "${JNI_LIB_NAME}"
LIBRARY_OUTPUT_DIRECTORY "${build_path}/libs/${ARMEABI_NDK_NAME}"
)
ADD_CUSTOM_COMMAND(
TARGET ${JNI_LIB_NAME}
POST_BUILD
COMMAND ${CMAKE_STRIP} "${build_path}/libs/${ARMEABI_NDK_NAME}/*.so"
)
else()
SET(JNI_LIB_NAME)
endif()
add_custom_command(
OUTPUT "${build_path}/bin/${_target}-debug.apk"
OUTPUT "${CMAKE_BINARY_DIR}/bin/${_target}.apk"
COMMAND ${ANT_EXECUTABLE} -q -noinput -k debug
COMMAND ${CMAKE_COMMAND} -E copy "${build_path}/bin/${_target}-debug.apk" "${CMAKE_BINARY_DIR}/bin/${_target}.apk"
WORKING_DIRECTORY ${build_path}
DEPENDS ${${_target}_project_files}
DEPENDS "${LIBRARY_OUTPUT_PATH}/libopencv_java.so"
COMMENT "Generating bin/${_target}.apk"
)
ADD_CUSTOM_TARGET(${_target}_android_project ALL
DEPENDS "${build_path}/bin/${_target}-debug.apk"
DEPENDS "${CMAKE_BINARY_DIR}/bin/${_target}.apk"
)
add_dependencies(${_target}_android_project opencv_java ${JNI_LIB_NAME})
if("${ARGN}" STREQUAL "INSTALL" AND INSTALL_ANDROID_EXAMPLES)
install(FILES "${CMAKE_BINARY_DIR}/bin/${_target}.apk" DESTINATION "bin" COMPONENT main)
endif()
endif()
endmacro()
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