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opencv/cmake/android/android_ant_projects.cmake

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CMake
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find_host_program(ANDROID_EXECUTABLE
NAMES android.bat android
PATHS "${ANDROID_SDK_TOOLS}"
DOC "Android 'android' tool location"
)
if(NOT ANDROID_EXECUTABLE)
message(FATAL_ERROR "Android SDK Tools: Can't find 'android' tool")
elseif(NOT ANDROID_SDK_DETECT_QUIET)
message(STATUS "Android SDK Tools: Found 'android' tool: ${ANDROID_EXECUTABLE}")
endif()
set(ANDROID_PROJECT_PROPERTIES_FILE project.properties)
set(ANDROID_ANT_PROPERTIES_FILE ant.properties)
set(ANDROID_MANIFEST_FILE AndroidManifest.xml)
set(ANDROID_LIB_PROJECT_FILES build.xml local.properties proguard-project.txt ${ANDROID_PROJECT_PROPERTIES_FILE})
set(ANDROID_PROJECT_FILES ${ANDROID_LIB_PROJECT_FILES})
execute_process(COMMAND ${ANDROID_EXECUTABLE} list target -c
RESULT_VARIABLE ANDROID_PROCESS
OUTPUT_VARIABLE ANDROID_SDK_TARGETS
ERROR_VARIABLE ANDROID_PROCESS_ERRORS
OUTPUT_STRIP_TRAILING_WHITESPACE
)
if(NOT ANDROID_PROCESS EQUAL 0)
set(ANDROID_EXECUTABLE "ANDROID_EXECUTABLE-NOTFOUND" CACHE INTERNAL)
message(FATAL_ERROR "Android: Failed to get list of installed Android targets.")
endif()
string(REGEX MATCHALL "[^\n]+" ANDROID_SDK_TARGETS "${ANDROID_SDK_TARGETS}")
# clear ANDROID_SDK_TARGET if no target is provided by user
if(NOT ANDROID_SDK_TARGET)
set(ANDROID_SDK_TARGET "" CACHE STRING "Android SDK target for the OpenCV Java API and samples")
endif()
if(ANDROID_SDK_TARGETS)
message(STATUS "Android SDK Tools: Available targets: ${ANDROID_SDK_TARGETS}")
set_property(CACHE ANDROID_SDK_TARGET PROPERTY STRINGS ${ANDROID_SDK_TARGETS} )
else()
message(FATAL_ERROR "Android: List of installed Android targets is empty")
endif()
# finds minimal installed SDK target compatible with provided names or API levels
# usage:
# get_compatible_android_api_level(VARIABLE [level1] [level2] ...)
macro(android_get_compatible_target VAR)
set(${VAR} "${VAR}-NOTFOUND")
if(ANDROID_SDK_TARGETS)
list(GET ANDROID_SDK_TARGETS 0 __lvl)
string(REGEX MATCH "[0-9]+$" __lvl "${__lvl}")
#find minimal level matching to all provided levels
foreach(lvl ${ARGN})
string(REGEX MATCH "[0-9]+$" __level "${lvl}")
if(__level GREATER __lvl)
set(__lvl ${__level})
endif()
endforeach()
#search for compatible levels
foreach(lvl ${ANDROID_SDK_TARGETS})
string(REGEX MATCH "[0-9]+$" __level "${lvl}")
if(__level EQUAL __lvl)
#look for exact match
foreach(usrlvl ${ARGN})
if("${usrlvl}" STREQUAL "${lvl}")
set(${VAR} "${lvl}")
break()
endif()
endforeach()
if("${${VAR}}" STREQUAL "${lvl}")
break() #exact match was found
elseif(NOT ${VAR})
set(${VAR} "${lvl}")
endif()
elseif(__level GREATER __lvl)
if(NOT ${VAR})
set(${VAR} "${lvl}")
endif()
break()
endif()
endforeach()
unset(__lvl)
unset(__level)
endif()
endmacro()
unset(__android_project_chain CACHE)
# add_android_project(target_name ${path} NATIVE_DEPS opencv_core LIBRARY_DEPS ${OpenCV_BINARY_DIR} SDK_TARGET 11)
macro(add_android_project target path)
# parse arguments
set(android_proj_arglist NATIVE_DEPS LIBRARY_DEPS SDK_TARGET IGNORE_JAVA IGNORE_MANIFEST COPY_LIBS)
set(__varname "android_proj_")
foreach(v ${android_proj_arglist})
set(${__varname}${v} "")
endforeach()
foreach(arg ${ARGN})
set(__var "${__varname}")
foreach(v ${android_proj_arglist})
if("${v}" STREQUAL "${arg}")
set(__varname "android_proj_${v}")
break()
endif()
endforeach()
if(__var STREQUAL __varname)
list(APPEND ${__var} "${arg}")
endif()
endforeach()
# get compatible SDK target
android_get_compatible_target(android_proj_sdk_target ${ANDROID_NATIVE_API_LEVEL} ${android_proj_SDK_TARGET})
if(NOT android_proj_sdk_target)
message(WARNING "Can not find any SDK target compatible with: ${ANDROID_NATIVE_API_LEVEL} ${android_proj_SDK_TARGET}
The project ${target} will not be build")
endif()
# check native dependencies
if(android_proj_IGNORE_JAVA)
ocv_check_dependencies(${android_proj_NATIVE_DEPS})
else()
ocv_check_dependencies(${android_proj_NATIVE_DEPS} opencv_java)
endif()
if(EXISTS "${path}/jni/Android.mk" )
# find if native_app_glue is used
file(STRINGS "${path}/jni/Android.mk" NATIVE_APP_GLUE REGEX ".*(call import-module,android/native_app_glue)" )
if(NATIVE_APP_GLUE)
if(ANDROID_NATIVE_API_LEVEL LESS 9 OR NOT EXISTS "${ANDROID_NDK}/sources/android/native_app_glue")
set(OCV_DEPENDENCIES_FOUND FALSE)
endif()
endif()
endif()
if(OCV_DEPENDENCIES_FOUND AND android_proj_sdk_target AND ANDROID_EXECUTABLE AND ANT_EXECUTABLE AND ANDROID_TOOLS_Pkg_Revision GREATER 13 AND EXISTS "${path}/${ANDROID_MANIFEST_FILE}")
project(${target})
set(android_proj_bin_dir "${CMAKE_CURRENT_BINARY_DIR}/.build")
# project sources
set(__src_glob "${path}/res/*" "${path}/src/*")
if(NOT android_proj_IGNORE_MANIFEST)
list(APPEND __src_glob "${path}/${ANDROID_MANIFEST_FILE}")
endif()
ocv_copyfiles_append_dir(SRC_COPY "${path}" "${android_proj_bin_dir}" ${__src_glob})
ocv_copyfiles_add_forced_target(${target}_copy_src SRC_COPY "Copy project sources: ${target}")
set(android_proj_file_deps ${target}_copy_src "${OPENCV_DEPHELPER}/${target}_copy_src")
set(android_proj_lib_deps_commands "")
set(android_proj_target_files ${ANDROID_PROJECT_FILES})
ocv_list_add_prefix(android_proj_target_files "${android_proj_bin_dir}/")
# process Android library dependencies
foreach(dep ${android_proj_LIBRARY_DEPS})
file(RELATIVE_PATH __dep "${android_proj_bin_dir}" "${dep}")
list(APPEND android_proj_lib_deps_commands
COMMAND ${ANDROID_EXECUTABLE} --silent update project --path "${android_proj_bin_dir}" --library "${__dep}")
endforeach()
# fix Android project
add_custom_command(
OUTPUT ${android_proj_target_files}
COMMAND ${CMAKE_COMMAND} -E remove ${android_proj_target_files}
"${android_proj_bin_dir}/bin/${ANDROID_MANIFEST_FILE}" # avoid warning about sub-projects
COMMAND ${ANDROID_EXECUTABLE} --silent update project --path "${android_proj_bin_dir}" --target "${android_proj_sdk_target}" --name "${target}"
${android_proj_lib_deps_commands}
WORKING_DIRECTORY "${android_proj_bin_dir}"
DEPENDS ${android_proj_file_deps}
COMMENT "Updating Android project at ${path}. SDK target: ${android_proj_sdk_target}"
)
list(APPEND android_proj_file_deps ${android_proj_target_files})
# build native part
file(GLOB_RECURSE android_proj_jni_files "${path}/jni/*.c" "${path}/jni/*.h" "${path}/jni/*.cpp" "${path}/jni/*.hpp")
if(android_proj_jni_files AND EXISTS ${path}/jni/Android.mk AND NOT DEFINED JNI_LIB_NAME)
# find local module name in Android.mk file to build native lib
file(STRINGS "${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 "${JNI_LIB_NAME}")
if(JNI_LIB_NAME)
if(NATIVE_APP_GLUE)
include_directories(${ANDROID_NDK}/sources/android/native_app_glue)
list(APPEND android_proj_jni_files ${ANDROID_NDK}/sources/android/native_app_glue/android_native_app_glue.c)
ocv_warnings_disable(CMAKE_C_FLAGS -Wstrict-prototypes -Wunused-parameter -Wmissing-prototypes)
set(android_proj_NATIVE_DEPS ${android_proj_NATIVE_DEPS} android)
endif()
add_library(${JNI_LIB_NAME} SHARED ${android_proj_jni_files})
ocv_target_include_modules_recurse(${JNI_LIB_NAME} ${android_proj_NATIVE_DEPS})
ocv_target_include_directories(${JNI_LIB_NAME} "${path}/jni")
ocv_target_link_libraries(${JNI_LIB_NAME} PRIVATE ${OPENCV_LINKER_LIBS} ${android_proj_NATIVE_DEPS})
set_target_properties(${JNI_LIB_NAME} PROPERTIES
OUTPUT_NAME "${JNI_LIB_NAME}"
LIBRARY_OUTPUT_DIRECTORY "${android_proj_bin_dir}/libs/${ANDROID_NDK_ABI_NAME}"
)
if(NOT BUILD_WITH_DEBUG_INFO AND NOT CMAKE_BUILD_TYPE MATCHES "Debug")
add_custom_command(TARGET ${JNI_LIB_NAME} POST_BUILD COMMAND ${CMAKE_STRIP} --strip-unneeded "$<TARGET_FILE:${JNI_LIB_NAME}>")
endif()
endif()
endif()
# build java part
if(android_proj_IGNORE_JAVA)
set(android_proj_extra_deps "")
else()
list(APPEND android_proj_extra_deps opencv_java_android)
endif()
set(_native_deps "")
if(NOT android_proj_IGNORE_JAVA)
set(_native_deps opencv_java)
endif()
if(android_proj_native_deps)
list(APPEND _native_deps ${android_proj_native_deps})
endif()
if(_native_deps)
list(APPEND android_proj_extra_deps ${_native_deps})
endif()
if((android_proj_COPY_LIBS OR ANDROID_EXAMPLES_WITH_LIBS) AND _native_deps)
message(STATUS "Android project with native libs: " ${target} " (" ${_native_deps} ")")
ocv_copyfiles_append_dir(NATIVE_COPY "${OpenCV_BINARY_DIR}/lib" "${android_proj_bin_dir}/libs" "${OpenCV_BINARY_DIR}/lib/*.so")
ocv_copyfiles_add_target(${target}_copy_libs NATIVE_COPY "Copy native libs for project: ${target}" ${_native_deps})
list(APPEND android_proj_extra_deps ${target}_copy_libs)
endif()
add_custom_command(
OUTPUT "${android_proj_bin_dir}/bin/${target}-debug.apk"
COMMAND ${ANT_EXECUTABLE} -q -noinput -k debug -Djava.target=1.6 -Djava.source=1.6
COMMAND ${CMAKE_COMMAND} -E touch "${android_proj_bin_dir}/bin/${target}-debug.apk" # needed because ant does not update the timestamp of updated apk
WORKING_DIRECTORY "${android_proj_bin_dir}"
DEPENDS ${android_proj_extra_deps} ${android_proj_file_deps} ${JNI_LIB_NAME}
COMMENT "Generating ${target}-debug.apk"
)
unset(JNI_LIB_NAME)
add_custom_target(${target} ALL SOURCES "${android_proj_bin_dir}/bin/${target}-debug.apk" )
# There is some strange problem with concurrent Android .APK builds:
# <android-sdk>/tools/ant/build.xml:781: Problem reading <build_dir>/bin/classes.jar'
if(__android_project_chain)
add_dependencies(${target} ${__android_project_chain})
endif()
set(__android_project_chain ${target} CACHE INTERNAL "auxiliary variable used for Android progects chaining")
# put the final .apk to the OpenCV's bin folder
add_custom_command(TARGET ${target} POST_BUILD COMMAND ${CMAKE_COMMAND} -E copy_if_different "${android_proj_bin_dir}/bin/${target}-debug.apk" "${OpenCV_BINARY_DIR}/bin/${target}.apk")
if(INSTALL_ANDROID_EXAMPLES AND "${target}" MATCHES "^example-")
get_filename_component(sample_dir "${path}" NAME)
# apk
install(FILES "${OpenCV_BINARY_DIR}/bin/${target}.apk" DESTINATION "samples" COMPONENT samples)
# clear "external" project files (need to remove files generated by 'android' tool)
set(external_target_files ${ANDROID_PROJECT_FILES})
ocv_list_add_prefix(external_target_files "\$ENV{DESTDIR}\${CMAKE_INSTALL_PREFIX}/samples/${sample_dir}/")
install(CODE "
MESSAGE(STATUS \"Cleaning generated project files from Android sample install directory: ${sample_dir}\")
FOREACH(f ${ANDROID_PROJECT_FILES})
FILE(REMOVE \"\$ENV{DESTDIR}\${CMAKE_INSTALL_PREFIX}/samples/${sample_dir}/\${f}\")
ENDFOREACH()
" COMPONENT samples)
#java part
install(DIRECTORY "${android_proj_bin_dir}/res" DESTINATION "samples/${sample_dir}" COMPONENT samples)
install(DIRECTORY "${android_proj_bin_dir}/src" DESTINATION "samples/${sample_dir}" COMPONENT samples)
install(FILES "${android_proj_bin_dir}/${ANDROID_MANIFEST_FILE}" DESTINATION "samples/${sample_dir}" COMPONENT samples)
#jni part + eclipse files
file(GLOB_RECURSE jni_files RELATIVE "${path}" "${path}/jni/*" "${path}/.cproject")
ocv_list_filterout(jni_files "\\\\.svn")
foreach(f ${jni_files} ".classpath" ".project" ".settings/org.eclipse.jdt.core.prefs")
get_filename_component(install_subdir "${f}" PATH)
install(FILES "${path}/${f}" DESTINATION "samples/${sample_dir}/${install_subdir}" COMPONENT samples)
endforeach()
#update proj
if(android_proj_lib_deps_commands)
set(inst_lib_opt " --library ../../sdk/java")
endif()
install(CODE "
MESSAGE(STATUS \"Fixing Android library reference for sample: ${sample_dir}\")
EXECUTE_PROCESS(
COMMAND ${ANDROID_EXECUTABLE} --silent update project --path . --target \"${android_proj_sdk_target}\" --name \"${target}\" ${inst_lib_opt}
WORKING_DIRECTORY \"\$ENV{DESTDIR}\${CMAKE_INSTALL_PREFIX}/samples/${sample_dir}\"
)
" COMPONENT samples)
# empty 'gen'
install(CODE "FILE(MAKE_DIRECTORY \"\$ENV{DESTDIR}\${CMAKE_INSTALL_PREFIX}/samples/${sample_dir}/gen\")" COMPONENT samples)
endif()
endif()
endmacro()
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