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AddQtAndroidApk.cmake
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cmake_minimum_required(VERSION 3.0)
cmake_policy(SET CMP0026 OLD) # allow use of the LOCATION target property
# store the current source directory for future use
set(QT_ANDROID_SOURCE_DIR ${CMAKE_CURRENT_LIST_DIR})
# check the JAVA_HOME environment variable
# (I couldn't find a way to set it from this script, it has to be defined outside)
set(JAVA_HOME $ENV{JAVA_HOME})
if(NOT JAVA_HOME)
message(FATAL_ERROR "The JAVA_HOME environment variable is not set. Please set it to the root directory of the JDK.")
endif()
# make sure that the Android toolchain is used
if(NOT ANDROID)
message(FATAL_ERROR "Trying to use the CMake Android package without the Android toolchain. Please use the provided toolchain (toolchain/android.toolchain.cmake)")
endif()
# find the Qt root directory
if(NOT Qt5Core_DIR)
find_package(Qt5Core REQUIRED)
endif()
get_filename_component(QT_ANDROID_QT_ROOT "${Qt5Core_DIR}/../../.." ABSOLUTE)
message(STATUS "Found Qt for Android: ${QT_ANDROID_QT_ROOT}")
# find the Android SDK
if(NOT QT_ANDROID_SDK_ROOT)
set(QT_ANDROID_SDK_ROOT $ENV{ANDROID_SDK})
if(NOT QT_ANDROID_SDK_ROOT)
message(FATAL_ERROR "Could not find the Android SDK. Please set either the ANDROID_SDK environment variable, or the QT_ANDROID_SDK_ROOT CMake variable to the root directory of the Android SDK")
endif()
endif()
string(REPLACE "\\" "/" QT_ANDROID_SDK_ROOT ${QT_ANDROID_SDK_ROOT}) # androiddeployqt doesn't like backslashes in paths
message(STATUS "Found Android SDK: ${QT_ANDROID_SDK_ROOT}")
# find the Android NDK
if(NOT QT_ANDROID_NDK_ROOT)
set(QT_ANDROID_NDK_ROOT $ENV{ANDROID_NDK})
if(NOT QT_ANDROID_NDK_ROOT)
set(QT_ANDROID_NDK_ROOT ${ANDROID_NDK})
if(NOT QT_ANDROID_NDK_ROOT)
message(FATAL_ERROR "Could not find the Android NDK. Please set either the ANDROID_NDK environment or CMake variable, or the QT_ANDROID_NDK_ROOT CMake variable to the root directory of the Android NDK")
endif()
endif()
endif()
string(REPLACE "\\" "/" QT_ANDROID_NDK_ROOT ${QT_ANDROID_NDK_ROOT}) # androiddeployqt doesn't like backslashes in paths
message(STATUS "Found Android NDK: ${QT_ANDROID_NDK_ROOT}")
include(CMakeParseArguments)
# define a macro to create an Android APK target
#
# example:
# add_qt_android_apk(my_app_apk my_app
# NAME "My App"
# VERSION_CODE 12
# PACKAGE_NAME "org.mycompany.myapp"
# PACKAGE_SOURCES ${CMAKE_CURRENT_LIST_DIR}/my-android-sources
# KEYSTORE ${CMAKE_CURRENT_LIST_DIR}/mykey.keystore myalias
# KEYSTORE_PASSWORD xxxx
# DEPENDS a_linked_target "path/to/a_linked_library.so" ...
# INSTALL
#)
#
macro(add_qt_android_apk TARGET SOURCE_TARGET)
# parse the macro arguments
cmake_parse_arguments(ARG "INSTALL" "NAME;VERSION_CODE;PACKAGE_NAME;PACKAGE_SOURCES;KEYSTORE_PASSWORD" "DEPENDS;KEYSTORE" ${ARGN})
# extract the full path of the source target binary
if(CMAKE_BUILD_TYPE STREQUAL "Debug")
get_property(QT_ANDROID_APP_PATH TARGET ${SOURCE_TARGET} PROPERTY DEBUG_LOCATION)
else()
get_property(QT_ANDROID_APP_PATH TARGET ${SOURCE_TARGET} PROPERTY LOCATION)
endif()
# define the application name
if(ARG_NAME)
set(QT_ANDROID_APP_NAME ${ARG_NAME})
else()
set(QT_ANDROID_APP_NAME ${SOURCE_TARGET})
endif()
# define the application package name
if(ARG_PACKAGE_NAME)
set(QT_ANDROID_APP_PACKAGE_NAME ${ARG_PACKAGE_NAME})
else()
set(QT_ANDROID_APP_PACKAGE_NAME org.qtproject.${SOURCE_TARGET})
endif()
# detect latest Android SDK build-tools revision
set(QT_ANDROID_SDK_BUILDTOOLS_REVISION "0.0.0")
file(GLOB ALL_BUILD_TOOLS_VERSIONS RELATIVE ${QT_ANDROID_SDK_ROOT}/build-tools ${QT_ANDROID_SDK_ROOT}/build-tools/*)
foreach(BUILD_TOOLS_VERSION ${ALL_BUILD_TOOLS_VERSIONS})
# find subfolder with greatest version
if (${BUILD_TOOLS_VERSION} VERSION_GREATER ${QT_ANDROID_SDK_BUILDTOOLS_REVISION})
set(QT_ANDROID_SDK_BUILDTOOLS_REVISION ${BUILD_TOOLS_VERSION})
endif()
endforeach()
message("Detected Android SDK build tools version ${QT_ANDROID_SDK_BUILDTOOLS_REVISION}")
# define the application source package directory
if(ARG_PACKAGE_SOURCES)
set(QT_ANDROID_APP_PACKAGE_SOURCE_ROOT ${ARG_PACKAGE_SOURCES})
else()
# get version code from arguments, or generate a fixed one if not provided
set(QT_ANDROID_APP_VERSION_CODE ${ARG_VERSION_CODE})
if(NOT QT_ANDROID_APP_VERSION_CODE)
set(QT_ANDROID_APP_VERSION_CODE 1)
endif()
# try to extract the app version from the target properties, or use the version code if not provided
get_property(QT_ANDROID_APP_VERSION TARGET ${SOURCE_TARGET} PROPERTY VERSION)
if(NOT QT_ANDROID_APP_VERSION)
set(QT_ANDROID_APP_VERSION ${QT_ANDROID_APP_VERSION_CODE})
endif()
# create a subdirectory for the extra package sources
set(QT_ANDROID_APP_PACKAGE_SOURCE_ROOT "${CMAKE_CURRENT_BINARY_DIR}/package")
# generate a manifest from the template
configure_file(${QT_ANDROID_SOURCE_DIR}/AndroidManifest.xml.in ${QT_ANDROID_APP_PACKAGE_SOURCE_ROOT}/AndroidManifest.xml @ONLY)
endif()
# define the STL shared library path
if(ANDROID_STL_SHARED_LIBRARIES)
list(GET ANDROID_STL_SHARED_LIBRARIES 0 STL_LIBRARY_NAME) # we can only give one to androiddeployqt
if(ANDROID_STL_PATH)
set(QT_ANDROID_STL_PATH "${ANDROID_STL_PATH}/libs/${ANDROID_ABI}/lib${STL_LIBRARY_NAME}.so")
else()
set(QT_ANDROID_STL_PATH "${ANDROID_NDK}/sources/cxx-stl/${ANDROID_STL_PREFIX}/libs/${ANDROID_ABI}/lib${STL_LIBRARY_NAME}.so")
endif()
else()
set(QT_ANDROID_STL_PATH)
endif()
# set the list of dependant libraries
if(ARG_DEPENDS)
foreach(LIB ${ARG_DEPENDS})
if(TARGET ${LIB})
# item is a CMake target, extract the library path
if(CMAKE_BUILD_TYPE STREQUAL "Debug")
get_property(LIB_PATH TARGET ${LIB} PROPERTY DEBUG_LOCATION)
else()
get_property(LIB_PATH TARGET ${LIB} PROPERTY LOCATION)
endif()
set(LIB ${LIB_PATH})
endif()
if(EXTRA_LIBS)
set(EXTRA_LIBS "${EXTRA_LIBS},${LIB}")
else()
set(EXTRA_LIBS "${LIB}")
endif()
endforeach()
set(QT_ANDROID_APP_EXTRA_LIBS "\"android-extra-libs\": \"${EXTRA_LIBS}\",")
endif()
# set some toolchain variables used by androiddeployqt;
# unfortunately, Qt tries to build paths from these variables although these full paths
# are already available in the toochain file, so we have to parse them
string(REGEX MATCH "${ANDROID_NDK}/toolchains/(.*)-(.*)/prebuilt/.*" ANDROID_TOOLCHAIN_PARSED ${ANDROID_TOOLCHAIN_ROOT})
if(ANDROID_TOOLCHAIN_PARSED)
set(QT_ANDROID_TOOLCHAIN_PREFIX ${CMAKE_MATCH_1})
set(QT_ANDROID_TOOLCHAIN_VERSION ${CMAKE_MATCH_2})
else()
message(FATAL_ERROR "Failed to parse ANDROID_TOOLCHAIN_ROOT to get toolchain prefix and version")
endif()
# make sure that the output directory for the Android package exists
file(MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/libs/${ANDROID_ABI})
# create the configuration file that will feed androiddeployqt
configure_file(${QT_ANDROID_SOURCE_DIR}/qtdeploy.json.in ${CMAKE_CURRENT_BINARY_DIR}/qtdeploy.json @ONLY)
# check if the apk must be signed
if(ARG_KEYSTORE)
set(SIGN_OPTIONS --release --sign ${ARG_KEYSTORE} --tsa http://timestamp.digicert.com)
if(ARG_KEYSTORE_PASSWORD)
set(SIGN_OPTIONS ${SIGN_OPTIONS} --storepass ${ARG_KEYSTORE_PASSWORD})
endif()
endif()
# check if the apk must be installed to the device
if(ARG_INSTALL)
set(INSTALL_OPTIONS --reinstall)
endif()
# specify the Android API level
if(ANDROID_PLATFORM_LEVEL)
set(TARGET_LEVEL_OPTIONS --android-platform android-${ANDROID_PLATFORM_LEVEL})
endif()
# create a custom command that will run the androiddeployqt utility to prepare the Android package
add_custom_target(
${TARGET}
ALL
DEPENDS ${SOURCE_TARGET}
COMMAND ${CMAKE_COMMAND} -E remove_directory ${CMAKE_CURRENT_BINARY_DIR}/libs/${ANDROID_ABI} # it seems that recompiled libraries are not copied if we don't remove them first
COMMAND ${CMAKE_COMMAND} -E make_directory ${CMAKE_CURRENT_BINARY_DIR}/libs/${ANDROID_ABI}
COMMAND ${CMAKE_COMMAND} -E copy ${QT_ANDROID_APP_PATH} ${CMAKE_CURRENT_BINARY_DIR}/libs/${ANDROID_ABI}
COMMAND ${QT_ANDROID_QT_ROOT}/bin/androiddeployqt --verbose --output ${CMAKE_CURRENT_BINARY_DIR} --input ${CMAKE_CURRENT_BINARY_DIR}/qtdeploy.json --gradle ${TARGET_LEVEL_OPTIONS} ${INSTALL_OPTIONS} ${SIGN_OPTIONS}
)
endmacro()