cocos2d-x3.10java.lang.UnsatisfiedLinkError: Couldn't load cocos2djs from loader dalvik.system.Path
问题：cocos2d-x3.10 打包安卓 运行build_native.py出错
java.lang.UnsatisfiedLinkError: Couldn't load cocos2djs from loader dalvik.system.Path
解决方案：替换proj.Android下面 build_native.py
#!/usr/bin/python
'''
build_native.py
This script will copy resources to assets and build native code with NDK.
'''
import sys
import os, os.path
import shutil
from optparse import OptionParser
def get_num_of_cpu():
''' The build process can be accelerated by running multiple concurrent job processes using the -j-option.
'''
try:
platform = sys.platform
if platform == 'win32':
if 'NUMBER_OF_PROCESSORS' in os.environ:
return int(os.environ['NUMBER_OF_PROCESSORS'])
else:
return 1
else:
from numpy.distutils import cpuinfo
return cpuinfo.cpu._getNCPUs()
except Exception:
print "Can't know cpuinfo, use default 1 cpu"
return 1
def check_environment_variables():
''' Checking the environment NDK_ROOT, which will be used for building
'''
try:
NDK_ROOT = os.environ['NDK_ROOT']
except Exception:
print "NDK_ROOT not defined. Please define NDK_ROOT in your environment"
sys.exit(1)
return NDK_ROOT
def select_toolchain_version(ndk_root):
ret_version = "4.8"
version_file_path = os.path.join(ndk_root, "RELEASE.TXT")
try:
versionFile = open(version_file_path)
lines = versionFile.readlines()
versionFile.close()
version_num = None
version_char = None
pattern = r'^[a-zA-Z]+(\d+)(\w)'
for line in lines:
str_line = line.lstrip()
match = re.match(pattern, str_line)
if match:
version_num = int(match.group(1))
version_char = match.group(2)
break
if version_num is None:
print("Parse NDK version from file %s failed." % version_file_path)
else:
version_char = version_char.lower()
if version_num > 10 or (version_num == 10 and cmp(version_char, 'c') >= 0):
ret_version = "4.9"
except:
print("Parse NDK version from file %s failed." % version_file_path)
print("NDK_TOOLCHAIN_VERSION: %s" % ret_version)
if ret_version == "4.8":
print(
"Your application may crash when using c++ 11 regular expression with NDK_TOOLCHAIN_VERSION %s" % ret_version)
return ret_version
def do_build(cocos_root, ndk_root, app_android_root, ndk_build_param,sdk_root,build_mode):
ndk_path = os.path.join(ndk_root, "ndk-build")
ndk_toolchain_version = select_toolchain_version(ndk_root)
# windows should use ";" to seperate module paths
platform = sys.platform
if platform == 'win32':
ndk_module_path = 'NDK_MODULE_PATH=%s/..;%s;%s/external;%s/cocos NDK_TOOLCHAIN_VERSION=%s' % (cocos_root, cocos_root, cocos_root, cocos_root, ndk_toolchain_version)
else:
ndk_module_path = 'NDK_MODULE_PATH=%s/..:%s:%s/external:%s/cocos NDK_TOOLCHAIN_VERSION=%s' % (cocos_root, cocos_root, cocos_root, cocos_root, ndk_toolchain_version)
num_of_cpu = get_num_of_cpu()
if ndk_build_param == None:
command = '%s -j%d -C %s NDK_DEBUG=%d %s' % (ndk_path, num_of_cpu, app_android_root, build_mode=='debug', ndk_module_path)
else:
command = '%s -j%d -C %s NDK_DEBUG=%d %s %s' % (ndk_path, num_of_cpu, app_android_root, build_mode=='debug', ndk_build_param, ndk_module_path)
print command
if os.system(command) != 0:
raise Exception("Build dynamic library for project [ " + app_android_root + " ] fails!")
def copy_files(src, dst):
for item in os.listdir(src):
path = os.path.join(src, item)
# Android can not package the file that ends with ".gz"
if not item.startswith('.') and not item.endswith('.gz') and os.path.isfile(path):
shutil.copy(path, dst)
if os.path.isdir(path):
new_dst = os.path.join(dst, item)
os.mkdir(new_dst)
copy_files(path, new_dst)
def copy_resources(app_android_root):
# remove app_android_root/assets if it exists
assets_dir = os.path.join(app_android_root, "assets")
if os.path.isdir(assets_dir):
shutil.rmtree(assets_dir)
# copy resources
os.mkdir(assets_dir)
assets_res_dir = assets_dir + "/res";
assets_scripts_dir = assets_dir + "/src";
assets_jsb_dir = assets_dir + "/script";
os.mkdir(assets_res_dir);
os.mkdir(assets_scripts_dir);
os.mkdir(assets_jsb_dir);
shutil.copy(os.path.join(app_android_root, "../../../main.js"), assets_dir)
shutil.copy(os.path.join(app_android_root, "../../../project.json"), assets_dir)
resources_dir = os.path.join(app_android_root, "../../../res")
copy_files(resources_dir, assets_res_dir)
resources_dir = os.path.join(app_android_root, "../../../src")
copy_files(resources_dir, assets_scripts_dir)
resources_dir = os.path.join(app_android_root, "../../../frameworks/cocos2d-x/cocos/scripting/js-bindings/script")
copy_files(resources_dir, assets_jsb_dir)
def build(targets,ndk_build_param,build_mode):
ndk_root = check_environment_variables()
sdk_root = None
project_root = os.path.dirname(os.path.realpath(__file__))
cocos_root = os.path.join(project_root, "..", "..", "..", "frameworks/cocos2d-x")
print cocos_root
if build_mode is None:
build_mode = 'debug'
elif build_mode != 'release':
build_mode = 'debug'
copy_resources(project_root)
do_build(cocos_root, ndk_root, project_root,ndk_build_param,sdk_root,build_mode)
# -------------- main --------------
if __name__ == '__main__':
parser = OptionParser()
parser.add_option("-n", "--ndk", dest="ndk_build_param",
help='Parameter for ndk-build')
parser.add_option("-b", "--build", dest="build_mode",
help='The build mode for NDK project, debug or release')
(opts, args) = parser.parse_args()
try:
build(args, opts.ndk_build_param,opts.build_mode)
except Exception as e:
print e
sys.exit(1)