{"id":14042,"date":"2024-07-25T17:48:21","date_gmt":"2024-07-25T09:48:21","guid":{"rendered":"http:\/\/xinyiworld.top\/wordpress_it\/?p=14042"},"modified":"2024-09-10T16:55:46","modified_gmt":"2024-09-10T08:55:46","slug":"art%e8%99%9a%e6%8b%9f%e6%9c%ba%e7%9a%84%e5%90%af%e5%8a%a8%e8%bf%87%e7%a8%8b%e8%a7%a3%e6%9e%90","status":"publish","type":"post","link":"http:\/\/xinyiworld.top\/wordpress_it\/?p=14042","title":{"rendered":"art\u865a\u62df\u673a\u7684\u542f\u52a8\u8fc7\u7a0b\u89e3\u6790"},"content":{"rendered":"

https:\/\/www.zhihu.com\/column\/c_1507847302362742784<\/a>
\nhttps:\/\/www.kancloud.cn\/alex_wsc\/androids\/472173<\/a>
\nhttps:\/\/www.kancloud.cn\/alex_wsc\/androids\/473624<\/a> (\u8001\u7f57)<\/p>\n

\u865a\u62df\u673a\u7684\u521b\u5efa\u4e0e\u542f\u52a8<\/h1>\n

\u89c1\u6e90\u7801 art\/runtime\/jni\/java_vm_ext.cc<\/code><\/p>\n

1186 \/\/ JNI Invocation interface.\n1187 \n1188 extern "C" jint JNI_CreateJavaVM(JavaVM** p_vm, JNIEnv** p_env, void* vm_args) {\n1189   ScopedTrace trace(__FUNCTION__);\n1190   const JavaVMInitArgs* args = static_cast<JavaVMInitArgs*>(vm_args);\n1191   if (JavaVMExt::IsBadJniVersion(args->version)) {\n1192     LOG(ERROR) << "Bad JNI version passed to CreateJavaVM: " << args->version;\n1193     return JNI_EVERSION;\n1194   }\n1195   RuntimeOptions options;\n1196   for (int i = 0; i < args->nOptions; ++i) {\n1197     JavaVMOption* option = &args->options[i];\n1198     options.push_back(std::make_pair(std::string(option->optionString), option->extraInfo));\n1199   }\n1200   bool ignore_unrecognized = args->ignoreUnrecognized;\n1201   if (!Runtime::Create(options, ignore_unrecognized)) {\n1202     return JNI_ERR;\n1203   }\n1204 \n1205   \/\/ Initialize native loader. This step makes sure we have\n1206   \/\/ everything set up before we start using JNI.\n1207   android::InitializeNativeLoader();\n1208 \n1209   Runtime* runtime = Runtime::Current();\n1210   bool started = runtime->Start();\n1211   if (!started) {\n1212     delete Thread::Current()->GetJniEnv();\n1213     delete runtime->GetJavaVM();\n1214     LOG(WARNING) << "CreateJavaVM failed";\n1215     return JNI_ERR;\n1216   }\n1217 \n1218   *p_env = Thread::Current()->GetJniEnv();\n1219   *p_vm = runtime->GetJavaVM();\n1220   return JNI_OK;\n1221 }<\/code><\/pre>\n
\u2192Runtime::Create<\/h2>\n
\u89c1http:\/\/xinyiworld.top\/wordpress_it\/?p=14578<\/a>
\n\u521b\u5efaRuntime\u5355\u4f8b\uff0c\u8c03\u7528Runtime\u5b9e\u4f8b\u7684Init\u65b9\u6cd5<\/p>\n
\u2192Runtime::Start<\/h2>\n