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#!/usr/bin/env python3
# Copyright (c) 2023-2025 Valve Corporation
# Copyright (c) 2023-2025 LunarG, Inc.
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# NOTE: Android this documentation is crucial for understanding the layout of the NDK.
# https://android.googlesource.com/platform/ndk/+/master/docs/BuildSystemMaintainers.md
# NOTE: Environment variables we can rely on users/environments setting.
# https://github.com/actions/runner-images/blob/main/images/linux/Ubuntu2204-Readme.md#environment-variables-2
import argparse
import os
import sys
import shutil
import common_ci
# Manifest file describing out test application
def get_android_manifest() -> str:
manifest = common_ci.RepoRelative('tests/android/AndroidManifest.xml')
if not os.path.isfile(manifest):
print(f"Unable to find manifest for APK! {manifest}")
sys.exit(-1)
return manifest
# Generate the APK from the CMake binaries
def generate_apk(SDK_ROOT : str, CMAKE_INSTALL_DIR : str) -> str:
apk_dir = common_ci.RepoRelative('build-android/bin')
# Delete APK directory since it could contain files from old runs
if os.path.isdir(apk_dir):
shutil.rmtree(apk_dir)
shutil.copytree(CMAKE_INSTALL_DIR, apk_dir)
android_manifest = get_android_manifest()
# 33 is matching the targetSdkVersion
android_jar = f"{SDK_ROOT}/platforms/android-33/android.jar"
if not os.path.isfile(android_jar):
print(f"Unable to find {android_jar}!")
sys.exit(-1)
apk_name = 'VulkanLayerValidationTests'
unaligned_apk = f'{apk_dir}/{apk_name}-unaligned.apk'
test_apk = f'{apk_dir}/{apk_name}.apk'
# Create APK
common_ci.RunShellCmd(f'aapt package -f -M {android_manifest} -I {android_jar} -F {unaligned_apk} {CMAKE_INSTALL_DIR}')
# Align APK
common_ci.RunShellCmd(f'zipalign -f 4 {unaligned_apk} {test_apk}')
# Create Key (If it doesn't already exist)
debug_key = common_ci.RepoRelative(f'{apk_dir}/debug.keystore')
ks_pass = 'android'
if not os.path.isfile(debug_key):
dname = 'CN=Android-Debug,O=Android,C=US'
common_ci.RunShellCmd(f'keytool -genkey -v -keystore {debug_key} -alias androiddebugkey -storepass {ks_pass} -keypass {ks_pass} -keyalg RSA -keysize 2048 -validity 10000 -dname {dname}')
# Sign APK
apksigner = 'apksigner.bat' if os.name == 'nt' else 'apksigner'
common_ci.RunShellCmd(f'{apksigner} sign --verbose --ks {debug_key} --ks-pass pass:{ks_pass} {test_apk}')
# Android APKs can contain binaries for multiple ABIs (armeabi-v7a, arm64-v8a, x86, x86_64).
# https://en.wikipedia.org/wiki/Apk_(file_format)#Package_contents
#
# As a result CMake will need to be run multiple times to create a complete test APK that can be run on any Android device.
def main():
configs = ['Release', 'Debug', 'MinSizeRel']
parser = argparse.ArgumentParser()
parser.add_argument('--config', type=str, choices=configs, default=configs[0])
parser.add_argument('--app-abi', dest='android_abi', type=str, default="arm64-v8a")
parser.add_argument('--app-stl', dest='android_stl', type=str, choices=["c++_static", "c++_shared"], default="c++_static")
parser.add_argument('--apk', action='store_true', help='Generate an APK as a post build step.')
parser.add_argument('--clean', action='store_true', help='Cleans CMake build artifacts')
args = parser.parse_args()
cmake_config = args.config
android_abis = args.android_abi.split(" ")
android_stl = args.android_stl
create_apk = args.apk
clean = args.clean
if "ANDROID_NDK_HOME" not in os.environ:
print("Cannot find ANDROID_NDK_HOME!")
sys.exit(1)
android_ndk_home = os.environ.get('ANDROID_NDK_HOME')
android_toolchain = f'{android_ndk_home}/build/cmake/android.toolchain.cmake'
# The only tool we require for building is CMake/Ninja
required_cli_tools = ['cmake', 'ninja']
# If we are building an APK we need a few more tools.
if create_apk:
if "ANDROID_SDK_ROOT" not in os.environ:
print("Cannot find ANDROID_SDK_ROOT!")
sys.exit(1)
android_sdk_root = os.environ.get('ANDROID_SDK_ROOT')
print(f"ANDROID_SDK_ROOT = {android_sdk_root}")
required_cli_tools += ['aapt', 'zipalign', 'keytool', 'apksigner']
print(f"ANDROID_NDK_HOME = {android_ndk_home}")
print(f"Build configured for {cmake_config} | {android_stl} | {android_abis} | APK {create_apk}")
if not os.path.isfile(android_toolchain):
print(f'Unable to find android.toolchain.cmake at {android_toolchain}')
exit(-1)
for tool in required_cli_tools:
path = shutil.which(tool)
if path is None:
print(f"Unable to find {tool}!")
exit(-1)
print(f"Using {tool} : {path}")
cmake_install_dir = common_ci.RepoRelative('build-android/libs')
# Delete install directory since it could contain files from old runs
if os.path.isdir(cmake_install_dir):
print("Cleaning CMake install")
shutil.rmtree(cmake_install_dir)
for abi in android_abis:
build_dir = common_ci.RepoRelative(f'build-android/cmake/{abi}')
lib_dir = f'lib/{abi}'
if clean:
print("Deleting CMakeCache.txt")
# Delete CMakeCache.txt to ensure clean builds
# NOTE: CMake 3.24 has --fresh which would be better to use in the future.
cmake_cache = f'{build_dir}/CMakeCache.txt'
if os.path.isfile(cmake_cache):
os.remove(cmake_cache)
cmake_cmd = f'cmake -S . -B {build_dir} -G Ninja'
cmake_cmd += f' -D CMAKE_BUILD_TYPE={cmake_config}'
cmake_cmd += f' -D UPDATE_DEPS=ON -D UPDATE_DEPS_DIR={build_dir}'
cmake_cmd += f' -D CMAKE_TOOLCHAIN_FILE={android_toolchain}'
cmake_cmd += f' -D CMAKE_ANDROID_ARCH_ABI={abi}'
cmake_cmd += f' -D CMAKE_INSTALL_LIBDIR={lib_dir}'
cmake_cmd += f' -D BUILD_TESTS={create_apk}'
cmake_cmd += f' -D CMAKE_ANDROID_STL_TYPE={android_stl}'
cmake_cmd += ' -D ANDROID_PLATFORM=26'
cmake_cmd += ' -D ANDROID_USE_LEGACY_TOOLCHAIN_FILE=NO'
common_ci.RunShellCmd(cmake_cmd)
build_cmd = f'cmake --build {build_dir}'
common_ci.RunShellCmd(build_cmd)
install_cmd = f'cmake --install {build_dir} --prefix {cmake_install_dir}'
if cmake_config in ['Release', 'MinSizeRel']:
install_cmd += f' --strip'
common_ci.RunShellCmd(install_cmd)
if create_apk:
generate_apk(SDK_ROOT = android_sdk_root, CMAKE_INSTALL_DIR = cmake_install_dir)
if __name__ == '__main__':
main()
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