{"id":4557,"date":"2023-04-25T17:21:08","date_gmt":"2023-04-25T09:21:08","guid":{"rendered":"https:\/\/blog.coderfan.org\/?p=4557"},"modified":"2024-01-29T17:10:46","modified_gmt":"2024-01-29T09:10:46","slug":"android12-environment-variables-usage","status":"publish","type":"post","link":"https:\/\/blog.coderfan.org\/en\/android12-environment-variables-usage.html","title":{"rendered":"Android12\u7cfb\u7edf\u73af\u5883\u53d8\u91cf\u8bbe\u7f6e"},"content":{"rendered":"<div class='booster-block booster-read-block'>\n                <div class=\"twp-read-time\">\n                \t<i class=\"booster-icon twp-clock\"><\/i> <span>Read Time:<\/span>9 Minute, 29 Second                <\/div>\n\n            <\/div>\n<p class=\"has-text-align-justify\">\u6700\u8fd1\u5728\u79fb\u690d\u767e\u5ea6Apollo Cyber\u901a\u4fe1\u6846\u67b6\u81f3\u5b89\u5353\u7cfb\u7edf\u4e2d\uff0c\u53d1\u73b0Cyber\u672c\u8eab\u4f9d\u8d56\u4e8e\u73af\u5883\u53d8\u91cf\u6765\u5b9e\u73b0\u670d\u52a1\u7684\u521d\u59cb\u5316\u914d\u7f6e\u3002\u76f8\u5e94\u5730\uff0c\u6211\u4e5f\u9700\u8981\u5728\u5b89\u5353\u7cfb\u7edf\u4e2d\u5f15\u5165\u8fd9\u4e9b\u73af\u5883\u53d8\u91cf\uff0c\u5e76\u786e\u4fdd\u5728Native\u670d\u52a1\u542f\u52a8\u65f6\u8fd9\u4e9b\u73af\u5883\u53d8\u91cf\u5df2\u7ecf\u51c6\u5907\u5c31\u7eea\u3002<\/p>\n\n\n\n<p class=\"has-text-align-justify\">\u7531\u4e8e\u6b64\u524d\u6211\u5bf9\u73af\u5883\u53d8\u91cf\u7684\u4e86\u89e3\u5e76\u4e0d\u591a\uff0c\u4e8e\u662f\u7814\u7a76\u5b66\u4e60\u4e86\u4e00\u4e0bAndroid\u7cfb\u7edf\u4e2d\u5173\u4e8e\u73af\u5883\u53d8\u91cf\u7684\u76f8\u5173\u914d\u7f6e\uff0c\u8fd9\u7bc7\u535a\u6587\u5373\u5bf9\u6b64\u505a\u4e86\u4e00\u4e2a\u8bb0\u5f55\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u80cc\u666f<\/h4>\n\n\n\n<p class=\"has-text-align-justify\">\u9996\u5148\u6211\u4eec\u9700\u8981\u63a2\u7a76\u4e00\u4e0b\u4e3a\u4ec0\u4e48\u6211\u4eec\u9700\u8981\u73af\u5883\u53d8\u91cf\u3002<strong>\u73af\u5883\u53d8\u91cf\u662f\u4e00\u7ec4\u52a8\u6001\u7684\uff0c\u53ef\u624b\u52a8\u7f16\u8f91\u3001\u8bbe\u7f6e\u7684\u503c<\/strong>\u3002\u4e00\u822c\u800c\u8a00\uff0c\u6211\u4eec\u7a0b\u5e8f\u7684\u8fd0\u884c\u5f80\u5f80\u4f1a\u4f9d\u8d56\u4e8e\u5404\u79cd\u5404\u6837\u7684\u914d\u7f6e\uff0c\u8fd9\u4e9b\u914d\u7f6e\u6211\u4eec\u53ef\u4ee5\u4ee5\u914d\u7f6e\u6587\u4ef6\u7684\u5f62\u5f0f\u5b58\u653e\u4e8e\u672c\u5730\u6587\u4ef6\u7cfb\u7edf\u4e2d\uff0c\u518d\u8ba9\u7a0b\u5e8f\u5728\u8fd0\u884c\u65f6\u8fdb\u884c\u89e3\u6790\u4ece\u800c\u83b7\u53d6\u914d\u7f6e\uff0c\u8fd9\u662f\u4e00\u79cd\u6bd4\u8f83\u901a\u7528\u7684\u505a\u6cd5\uff1b\u800c\u53e6\u4e00\u79cd\u6bd4\u8f83\u901a\u7528\u7684\u505a\u6cd5\u662f\u5c06\u8fd9\u4e9b\u914d\u7f6e\u5199\u5165\u73af\u5883\u53d8\u91cf\uff0c\u7a0b\u5e8f\u5728\u8fd0\u884c\u65f6\u81ea\u52a8\u8bfb\u53d6\u73af\u5883\u53d8\u91cf\u5373\u53ef\u3002\u524d\u8005\u9002\u5408\u914d\u7f6e\u6bd4\u8f83\u591a\u7684\u60c5\u51b5\uff0c\u800c\u540e\u8005\u5219\u9002\u5408\u914d\u7f6e\u5c11\u4e14\u914d\u7f6e\u53ef\u80fd\u9700\u8981\u591a\u8fdb\u7a0b\u5171\u4eab\u7684\u60c5\u51b5\uff0c\u6bd4\u8f83\u7075\u6d3b\u3002<\/p>\n\n\n\n<p class=\"has-text-align-justify\">\u53ef\u4ee5\u8bf4\u73af\u5883\u53d8\u91cf\u662f\u975e\u5e38\u91cd\u8981\u7684\uff0c\u6ca1\u6709\u73af\u5883\u53d8\u91cf\u7684\u652f\u6301\uff0c\u65e0\u8bba\u662fWindows\u7cfb\u7edf\u4e2d\u7684\u7a0b\u5e8f\u8fd8\u662fLinux\u7cfb\u7edf\u4e2d\u7684\u7a0b\u5e8f\u90fd\u65e0\u6cd5\u6b63\u5e38\u8fd0\u884c\u3002<\/p>\n\n\n\n<p class=\"has-text-align-justify\">\u73af\u5883\u53d8\u91cf\u5206\u4e3a\u4e24\u7c7b\uff1a\u5168\u5c40\u73af\u5883\u53d8\u91cf\u548c\u5c40\u90e8\u73af\u5883\u53d8\u91cf\u3002\u5168\u5c40\u73af\u5883\u53d8\u91cf\u662f\u5168\u5c40\u53ef\u89c1\u7684\uff0c\u6240\u6709\u8fdb\u7a0b\u53ef\u89c1\uff1b\u800c\u5c40\u90e8\u53d8\u91cf\u5219\u9488\u5bf9\u90e8\u5206\u8fdb\u7a0b\u53ef\u89c1\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"> \u5b89\u5353\u7cfb\u7edf\u73af\u5883\u53d8\u91cf <\/h4>\n\n\n\n<p class=\"has-text-align-justify\">\u5982\u4f55\u67e5\u770b\u7cfb\u7edf\u7684\u73af\u5883\u53d8\u91cf\u5462\uff0c\u8fd9\u91cc\u63d0\u4f9b\u4e24\u4e2a\u547d\u4ee4\uff1a<strong>env\u6216\u8005printenv<\/strong>\u547d\u4ee4\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n\n\n\n<pre class=\"io-enlighter-pre\"><code class=\"gl\" data-enlighter-language=\"generic\" data-enlighter-linenumbers=\"true\" data-enlighter-lineoffset=\"\" data-enlighter-highlight=\"\">_=\/system\/bin\/env\nANDROID_DATA=\/data\nHOME=\/\nANDROID_TZDATA_ROOT=\/apex\/com.android.tzdata\nANDROID_STORAGE=\/storage\nANDROID_ASSETS=\/system\/app\nTERM=xterm-256color\nANDROID_SOCKET_adbd=19\nANDROID_ART_ROOT=\/apex\/com.android.art\nCYBER_DOMAIN_ID=71\nCYBER_PATH=\/data\/cyber\nEXTERNAL_STORAGE=\/sdcard\nDOWNLOAD_CACHE=\/data\/cache\nLOGNAME=root\nSYSTEMSERVERCLASSPATH=\/system\/framework\/com.android.location.provider.jar:\/system\/framework\/services.jar:\/system\/framework\/ethernet-service.jar:\/system\/framework\/car-frameworks-service.jar:\/apex\/com.android.appsearch\/javalib\/service-appsearch.jar:\/apex\/com.android.media\/javalib\/service-media-s.jar:\/apex\/com.android.permission\/javalib\/service-permission.jar\nDEX2OATBOOTCLASSPATH=\/apex\/com.android.art\/javalib\/core-oj.jar:\/apex\/com.android.art\/javalib\/core-libart.jar:\/apex\/com.android.art\/javalib\/okhttp.jar:\/apex\/com.android.art\/javalib\/bouncycastle.jar:\/apex\/com.android.art\/javalib\/apache-xml.jar:\/system\/framework\/framework.jar:\/system\/framework\/framework-graphics.jar:\/system\/framework\/ext.jar:\/system\/framework\/telephony-common.jar:\/system\/framework\/voip-common.jar:\/system\/framework\/ims-common.jar:\/apex\/com.android.i18n\/javalib\/core-icu4j.jar:\/system\/framework\/android.car.jar\nBOOTCLASSPATH=\/apex\/com.android.art\/javalib\/core-oj.jar:\/apex\/com.android.art\/javalib\/core-libart.jar:\/apex\/com.android.art\/javalib\/okhttp.jar:\/apex\/com.android.art\/javalib\/bouncycastle.jar:\/apex\/com.android.art\/javalib\/apache-xml.jar:\/system\/framework\/framework.jar:\/system\/framework\/framework-graphics.jar:\/system\/framework\/ext.jar:\/system\/framework\/telephony-common.jar:\/system\/framework\/voip-common.jar:\/system\/framework\/ims-common.jar:\/apex\/com.android.i18n\/javalib\/core-icu4j.jar:\/system\/framework\/android.car.jar:\/apex\/com.android.appsearch\/javalib\/framework-appsearch.jar:\/apex\/com.android.conscrypt\/javalib\/conscrypt.jar:\/apex\/com.android.ipsec\/javalib\/android.net.ipsec.ike.jar:\/apex\/com.android.media\/javalib\/updatable-media.jar:\/apex\/com.android.mediaprovider\/javalib\/framework-mediaprovider.jar:\/apex\/com.android.os.statsd\/javalib\/framework-statsd.jar:\/apex\/com.android.permission\/javalib\/framework-permission.jar:\/apex\/com.android.permission\/javalib\/framework-permission-s.jar:\/apex\/com.android.scheduling\/javalib\/framework-scheduling.jar:\/apex\/com.android.sdkext\/javalib\/framework-sdkextensions.jar:\/apex\/com.android.tethering\/javalib\/framework-connectivity.jar:\/apex\/com.android.tethering\/javalib\/framework-tethering.jar:\/apex\/com.android.wifi\/javalib\/framework-wifi.jar\nSHELL=\/bin\/sh\nANDROID_BOOTLOGO=1\nASEC_MOUNTPOINT=\/mnt\/asec\nHOSTNAME=trout_x86\nUSER=root\nTMPDIR=\/data\/local\/tmp\nPATH=\/product\/bin:\/apex\/com.android.runtime\/bin:\/apex\/com.android.art\/bin:\/system_ext\/bin:\/system\/bin:\/system\/xbin:\/odm\/bin:\/vendor\/bin:\/vendor\/xbin\nANDROID_ROOT=\/system\nANDROID_I18N_ROOT=\/apex\/com.android.i18n\ntrout_x86:\/ # \n<\/code><\/pre>\n\n\n\n<p class=\"has-text-align-justify\">\u9664\u4e86\u8fd9\u4e2a\u547d\u4ee4\u4ee5\u5916\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u4f7f\u7528echo\u6765\u83b7\u53d6\u67d0\u4e2a\u5177\u4f53\u73af\u5883\u53d8\u91cf\u7684\u503c\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n\n\n\n<pre class=\"io-enlighter-pre\"><code class=\"gl\" data-enlighter-language=\"generic\" data-enlighter-linenumbers=\"true\" data-enlighter-lineoffset=\"\" data-enlighter-highlight=\"\">TMPDIR=\/data\/local\/tmp\nPATH=\/product\/bin:\/apex\/com.android.runtime\/bin:\/apex\/com.android.art\/bin:\/system_ext\/bin:\/system\/bin:\/system\/xbin:\/odm\/bin:\/vendor\/bin:\/vendor\/xbin\nANDROID_ROOT=\/system\nANDROID_I18N_ROOT=\/apex\/com.android.i18n\ntrout_x86:\/ # echo $USER\nroot\ntrout_x86:\/ # echo $ANDROID_SOCKET_adbd\n19<\/code><\/pre>\n\n\n\n<p class=\"has-text-align-justify\">\u9700\u8981\u8bf4\u660e\u7684\u662f\uff0c\u4e0a\u8ff0\u65b9\u6cd5\u4ec5\u9488\u5bf9\u5168\u5c40\u73af\u5883\u53d8\u91cf\u6709\u6548\uff0c\u5982\u679c\u662f\u67e5\u770b\u5c40\u90e8\u73af\u5883\u53d8\u91cf\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528set\u547d\u4ee4\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n\n\n\n<pre class=\"io-enlighter-pre\"><code class=\"gl\" data-enlighter-language=\"generic\" data-enlighter-linenumbers=\"true\" data-enlighter-lineoffset=\"\" data-enlighter-highlight=\"\">trout_x86:\/ $ set\nDOWNLOAD_CACHE=\/data\/cache\nEPOCHREALTIME=1682412013.723827\nEXTERNAL_STORAGE=\/sdcard\nHOME=\/\nHOSTNAME=trout_x86\nIFS=$' \\t\\n'\nKSHEGID=2000\nKSHGID=2000\nKSHUID=2000\nKSH_VERSION='@(#)MIRBSD KSH R59 2020\/05\/16 Android'\nLINES\nLOGNAME=shell\nOPTIND=1\nPATH=\/product\/bin:\/apex\/com.android.runtime\/bin:\/apex\/com.android.art\/bin:\/system_ext\/bin:\/system\/bin:\/system\/xbin:\/odm\/bin:\/vendor\/bin:\/vendor\/xbin\nPATHSEP=:\nPGRP=24010\nPIPESTATUS[0]=1\nPPID=574\nPS1=$'${|\\n\\tlocal e=$?\\n\\n\\t(( e )) &amp;&amp; REPLY+=\"$e|\"\\n\\n\\treturn $e\\n}$HOSTNAME:${PWD:-?} $ '\nPS2='> '\nPS3='#? '\nPS4='[$EPOCHREALTIME] '\nPWD=\/\nRANDOM=30514\nSECONDS=3878\nSHELL=\/bin\/sh\nSYSTEMSERVERCLASSPATH=\/system\/framework\/com.android.location.provider.jar:\/system\/framework\/services.jar:\/system\/framework\/ethernet-service.jar:\/system\/framework\/car-frameworks-service.jar:\/apex\/com.android.appsearch\/javalib\/service-appsearch.jar:\/apex\/com.android.media\/javalib\/service-media-s.jar:\/apex\/com.android.permission\/javalib\/service-permission.jar\nTERM=xterm-256color\nTMOUT=0\nTMPDIR=\/data\/local\/tmp\nUSER=shell\nUSER_ID=<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">\u73af\u5883\u53d8\u91cf\u52a0\u8f7d<\/h4>\n\n\n\n<p class=\"has-text-align-justify\">\u90a3\u4e48Android\u7cfb\u7edf\u662f\u5982\u4f55\u52a0\u8f7d\u73af\u5883\u53d8\u91cf\u7684\u5462\uff0c\u6211\u4eec\u53ef\u4ee5\u5148\u770b\u770b\/system\/core\/rootdir\/Android.mk\u6587\u4ef6\u4e2d\u7684\u5185\u5bb9\uff08\u8282\u9009\uff09\uff1a<\/p>\n\n\n\n<pre class=\"io-enlighter-pre\"><code class=\"gl\" data-enlighter-language=\"generic\" data-enlighter-linenumbers=\"true\" data-enlighter-lineoffset=\"\" data-enlighter-highlight=\"\">$(LOCAL_BUILT_MODULE): $(LOCAL_PATH)\/init.environ.rc.in\n\t@echo \"Generate: $&lt; -> $@\"\n\t@mkdir -p $(dir $@)\n\t$(hide) cp $&lt; $@\n\t$(hide) sed -i -e 's?%EXPORT_GLOBAL_ASAN_OPTIONS%?$(EXPORT_GLOBAL_ASAN_OPTIONS)?g' $@\n\t$(hide) sed -i -e 's?%EXPORT_GLOBAL_GCOV_OPTIONS%?$(EXPORT_GLOBAL_GCOV_OPTIONS)?g' $@\n\t$(hide) sed -i -e 's?%EXPORT_GLOBAL_CLANG_COVERAGE_OPTIONS%?$(EXPORT_GLOBAL_CLANG_COVERAGE_OPTIONS)?g' $@\n\t$(hide) sed -i -e 's?%EXPORT_GLOBAL_HWASAN_OPTIONS%?$(EXPORT_GLOBAL_HWASAN_OPTIONS)?g' $@\n<\/code><\/pre>\n\n\n\n<p class=\"has-text-align-justify\">Android.mk\u4e2d\u8fd9\u90e8\u5206\u5176\u5b9e\u5c31\u5f15\u5165\u4e86\u4e00\u4e2a\u5173\u952e\u7684\u6587\u4ef6\uff1a<strong>init.environ.rc.in<\/strong>\uff0c\u5728Android12.1\u4e2d\u5176\u5185\u5bb9\u5b9a\u4e49\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"io-enlighter-pre\"><code class=\"gl\" data-enlighter-language=\"generic\" data-enlighter-linenumbers=\"true\" data-enlighter-lineoffset=\"\" data-enlighter-highlight=\"\"># set up the global environment\non early-init\n    export ANDROID_BOOTLOGO 1\n    export ANDROID_ROOT \/system\n    export ANDROID_ASSETS \/system\/app\n    export ANDROID_DATA \/data\n    export ANDROID_STORAGE \/storage\n    export ANDROID_ART_ROOT \/apex\/com.android.art\n    export ANDROID_I18N_ROOT \/apex\/com.android.i18n\n    export ANDROID_TZDATA_ROOT \/apex\/com.android.tzdata\n    export EXTERNAL_STORAGE \/sdcard\n    export ASEC_MOUNTPOINT \/mnt\/asec\n    %EXPORT_GLOBAL_ASAN_OPTIONS%\n    %EXPORT_GLOBAL_GCOV_OPTIONS%\n    %EXPORT_GLOBAL_CLANG_COVERAGE_OPTIONS%\n    %EXPORT_GLOBAL_HWASAN_OPTIONS%<\/code><\/pre>\n\n\n\n<p class=\"has-text-align-justify\">\u8be5\u6587\u4ef6\u5185\u5b9a\u4e49\u7684\u5185\u5bb9\u5176\u5b9e\u5c31\u662f\u5168\u5c40\u7684\u73af\u5883\u53d8\u91cf\u8bbe\u7f6e\uff0c\u901a\u8fc7\u5728rc\u542f\u52a8\u6587\u4ef6\u4e2d\u4f7f\u7528export\u547d\u4ee4\u8fdb\u884c\u5bfc\u5165\u3002\u4f46\u8fd9\u53ea\u662f\u521d\u59cb\u5b9a\u4e49\u7684\u6587\u4ef6\uff0c\u662f\u65e0\u6cd5\u76f4\u63a5\u751f\u6548\u7684\u3002<\/p>\n\n\n\n<p class=\"has-text-align-justify\">\u5728\u4e0a\u9762Android.mk\u5c55\u793a\u7684\u7247\u6bb5\u4e2d\uff0c\u4f1a\u5c06 <strong>init.environ.rc.in<\/strong> \u4e2d\u7684\u4e2d%EXPORT_GLOBAL_ASAN_OPTIONS%\u3001%EXPORT_GLOBAL_GCOV_OPTIONS%\u3001%EXPORT_GLOBAL_CLANG_COVERAGE_OPTIONS%\u3001%EXPORT_GLOBAL_HWASAN_OPTIONS%\u4f7f\u7528sed\u547d\u4ee4\u8fdb\u884c\u66ff\u6362\uff0c\u66ff\u6362\u7684\u503c\u6765\u6e90\u4e8eAndroid.mk\u4e2d\u83b7\u53d6\u5230\u7684EXPORT_GLOBAL_ASAN_OPTIONS\u3001EXPORT_GLOBAL_GCOV_OPTIONS\u3001EXPORT_GLOBAL_CLANG_COVERAGE_OPTIONS\u3001EXPORT_GLOBAL_HWASAN_OPTIONS\u53d8\u91cf\uff0c\u8fd9\u90e8\u5206\u53d8\u91cf\u7684\u8d4b\u503c\u903b\u8f91\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"io-enlighter-pre\"><code class=\"gl\" data-enlighter-language=\"generic\" data-enlighter-linenumbers=\"true\" data-enlighter-lineoffset=\"\" data-enlighter-highlight=\"\"># init.environ.rc\n\ninclude $(CLEAR_VARS)\nLOCAL_MODULE_CLASS := ETC\nLOCAL_MODULE := init.environ.rc\nLOCAL_LICENSE_KINDS := SPDX-license-identifier-Apache-2.0\nLOCAL_LICENSE_CONDITIONS := notice\nLOCAL_MODULE_PATH := $(TARGET_ROOT_OUT)\n\nEXPORT_GLOBAL_ASAN_OPTIONS :=\nifneq ($(filter address,$(SANITIZE_TARGET)),)\n  EXPORT_GLOBAL_ASAN_OPTIONS := export ASAN_OPTIONS include=\/system\/asan.options\n  LOCAL_REQUIRED_MODULES := asan.options $(ASAN_OPTIONS_FILES) $(ASAN_EXTRACT_FILES)\nendif\n\nEXPORT_GLOBAL_HWASAN_OPTIONS :=\nifneq ($(filter hwaddress,$(SANITIZE_TARGET)),)\n  ifneq ($(HWADDRESS_SANITIZER_GLOBAL_OPTIONS),)\n    EXPORT_GLOBAL_HWASAN_OPTIONS := export HWASAN_OPTIONS $(HWADDRESS_SANITIZER_GLOBAL_OPTIONS)\n  endif\nendif\n\nEXPORT_GLOBAL_GCOV_OPTIONS :=\nifeq ($(NATIVE_COVERAGE),true)\n  EXPORT_GLOBAL_GCOV_OPTIONS := export GCOV_PREFIX \/data\/misc\/trace\nendif\n\nEXPORT_GLOBAL_CLANG_COVERAGE_OPTIONS :=\nifeq ($(CLANG_COVERAGE),true)\n  EXPORT_GLOBAL_CLANG_COVERAGE_OPTIONS := export LLVM_PROFILE_FILE \/data\/misc\/trace\/clang-%20m.profraw\nendif<\/code><\/pre>\n\n\n\n<p class=\"has-text-align-justify\">\u7531\u6b64\uff0c\u5728\u7f16\u8bd1\u9636\u6bb5\u5bf9 <strong>init.environ.rc.in<\/strong> \u8fdb\u884c\u5904\u7406\uff0c\u5f97\u5230init.environ.rc,\u6253\u5305\u540e\u4f4d\u4e8e\u6839\u76ee\u5f55\uff1binit\u8fdb\u7a0b\u5728\u542f\u52a8\u65f6\u5c31\u4f1a\u8bfb\u53d6\u8be5rc\u542f\u52a8\u6587\u4ef6\uff0c\u8fdb\u884c\u73af\u5883\u53d8\u91cf\u7684\u8bbe\u7f6e\u3002<\/p>\n\n\n\n<p>\u5728\u6211\u7684\u73af\u5883\u4e2d\uff0c init.environ.rc \u6587\u4ef6\u5185\u5bb9\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"io-enlighter-pre\"><code class=\"gl\" data-enlighter-language=\"generic\" data-enlighter-linenumbers=\"true\" data-enlighter-lineoffset=\"\" data-enlighter-highlight=\"\"># set up the global environment\non early-init\n    export ANDROID_BOOTLOGO 1\n    export ANDROID_ROOT \/system\n    export ANDROID_ASSETS \/system\/app\n    export ANDROID_DATA \/data\n    export ANDROID_STORAGE \/storage\n    export ANDROID_ART_ROOT \/apex\/com.android.art\n    export ANDROID_I18N_ROOT \/apex\/com.android.i18n\n    export ANDROID_TZDATA_ROOT \/apex\/com.android.tzdata\n    export EXTERNAL_STORAGE \/sdcard\n    export ASEC_MOUNTPOINT \/mnt\/asec<\/code><\/pre>\n\n\n\n<p class=\"has-text-align-justify\">\u9664\u4e86init.environ.rc.in\u4e2d\u5b9a\u4e49\u7684\u5168\u5c40\u73af\u5883\u53d8\u91cf\uff0c\u8fd8\u6709\u90e8\u5206\u73af\u5883\u53d8\u91cf\u662f\u5728init.rc\u4e2d\u8fdb\u884c\u5bfc\u5165\u7684\uff0c\u5982DOWNLOAD_CACHE\u73af\u5883\u53d8\u91cf\u3002\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n\n\n\n<pre class=\"io-enlighter-pre\"><code class=\"gl\" data-enlighter-language=\"generic\" data-enlighter-linenumbers=\"true\" data-enlighter-lineoffset=\"\" data-enlighter-highlight=\"\">\n    # enable armv8_deprecated instruction hooks\n    write \/proc\/sys\/abi\/swp 1\n\n    # Linux's execveat() syscall may construct paths containing \/dev\/fd\n    # expecting it to point to \/proc\/self\/fd\n    symlink \/proc\/self\/fd \/dev\/fd\n\n    export DOWNLOAD_CACHE \/data\/cache                                                                                                                                                                       \n\n    # This allows the ledtrig-transient properties to be created here so\n    # that they can be chown'd to system:system later on boot \n    write \/sys\/class\/leds\/vibrator\/trigger \"transient\"\n<\/code><\/pre>\n\n\n\n<p class=\"has-text-align-justify\">\u90a3\u4e48\u73af\u5883\u53d8\u91cf\u5177\u4f53\u662f\u5982\u4f55\u52a0\u8f7d\u7684\u5462\uff0c\u52a0\u8f7d\u7684\u8fc7\u7a0b\u5176\u5b9e\u5c31\u5728init\u8fdb\u7a0b\u4e2d\u8fdb\u884c\u3002\u5728rc\u6587\u4ef6\u4e2d\u5b9a\u4e49\u7684export\u5bfc\u5165\u73af\u5883\u53d8\u91cf\u4f1a\u88abinit\u8fdb\u7a0b\u4ee5command\u7684\u5f62\u5f0f\u6267\u884c\uff0c\u4ece\u800c\u5bfc\u5165\u5230\u7cfb\u7edf\u73af\u5883\u4e2d\uff0c\u5177\u4f53\u4ee3\u7801\u7ec6\u8282\u53ef\u4ee5\u53c2\u8003\u2014\u2014 system\/core\/init\/action_manager.cpp\u4e0esystem\/core\/init\/action.cpp\uff1a<\/p>\n\n\n\n<pre class=\"io-enlighter-pre\"><code class=\"gl\" data-enlighter-language=\"generic\" data-enlighter-linenumbers=\"true\" data-enlighter-lineoffset=\"\" data-enlighter-highlight=\"\">void ActionManager::ExecuteOneCommand() {\n    {   \n        auto lock = std::lock_guard{event_queue_lock_};\n        \/\/ Loop through the event queue until we have an action to execute\n        while (current_executing_actions_.empty() &amp;&amp; !event_queue_.empty()) {\n            for (const auto&amp; action : actions_) {\n                if (std::visit([&amp;action](const auto&amp; event) { return action->CheckEvent(event); },\n                               event_queue_.front())) {\n                    current_executing_actions_.emplace(action.get());\n                }   \n            }   \n            event_queue_.pop();\n        }   \n    }   \n\n    if (current_executing_actions_.empty()) {\n        return;\n    }   \n\n    auto action = current_executing_actions_.front();\n\n    if (current_command_ == 0) {\n        std::string trigger_name = action->BuildTriggersString();\n        LOG(INFO) &lt;&lt; \"processing action (\" &lt;&lt; trigger_name &lt;&lt; \") from (\" &lt;&lt; action->filename()\n                  &lt;&lt; \":\" &lt;&lt; action->line() &lt;&lt; \")\";\n    }   \n\n    action->ExecuteOneCommand(current_command_);\n\n    \/\/ If this was the last command in the current action, then remove\n    \/\/ the action from the executing list.\n    \/\/ If this action was oneshot, then also remove it from actions_.\n    ++current_command_;\n    if (current_command_ == action->NumCommands()) {\n        current_executing_actions_.pop();\n        current_command_ = 0;\n        if (action->oneshot()) {\n            auto eraser = [&amp;action](std::unique_ptr&lt;Action>&amp; a) { return a.get() == action; };\n            actions_.erase(std::remove_if(actions_.begin(), actions_.end(), eraser),\n                           actions_.end());\n        }   \n    }   \n}    <\/code><\/pre>\n\n\n\n<pre class=\"io-enlighter-pre\"><code class=\"gl\" data-enlighter-language=\"generic\" data-enlighter-linenumbers=\"true\" data-enlighter-lineoffset=\"\" data-enlighter-highlight=\"\">void Action::ExecuteCommand(const Command&amp; command) const {\n    android::base::Timer t;\n    auto result = command.InvokeFunc(subcontext_);\n    auto duration = t.duration();\n\n    \/\/ Any action longer than 50ms will be warned to user as slow operation\n    if (!result.has_value() || duration > 50ms ||\n        android::base::GetMinimumLogSeverity() &lt;= android::base::DEBUG) {\n        std::string trigger_name = BuildTriggersString();\n        std::string cmd_str = command.BuildCommandString();\n\n        LOG(INFO) &lt;&lt; \"Command '\" &lt;&lt; cmd_str &lt;&lt; \"' action=\" &lt;&lt; trigger_name &lt;&lt; \" (\" &lt;&lt; filename_\n                  &lt;&lt; \":\" &lt;&lt; command.line() &lt;&lt; \") took \" &lt;&lt; duration.count() &lt;&lt; \"ms and \"\n                  &lt;&lt; (result.ok() ? \"succeeded\" : \"failed: \" + result.error().message());\n    }   \n}     <\/code><\/pre>\n\n\n\n<p class=\"has-text-align-justify\">\u9664\u4e86export\u5bfc\u5165\u73af\u5883\u53d8\u91cf\uff0crc\u542f\u52a8\u6587\u4ef6\u4e2d\u5b9a\u4e49\u7684action\u90fd\u4f1a\u901a\u8fc7\u7c7b\u4f3c\u7684\u65b9\u5f0f\u6267\u884c\u3002<\/p>\n\n\n\n<p class=\"has-text-align-justify\">\u73b0\u5728\u6211\u4eec\u53ef\u4ee5\u660e\u786e\u77e5\u9053\u7684\u662f\uff0cAndroid\u7cfb\u7edf\u4e2d\u7684\u73af\u5883\u53d8\u91cf\u53ef\u4ee5\u901a\u8fc7rc\u6765\u8fdb\u884c\u914d\u7f6e\uff0c\u4f46\u82e5\u6211\u4eec\u89c2\u5bdf\u5f97\u66f4\u4ed4\u7ec6\u4e00\u70b9\uff0c\u4f1a\u53d1\u73b0\u8fd8\u6709\u4e00\u4e9b\u73af\u5883\u53d8\u91cf\u662f\u6ca1\u6709\u901a\u8fc7rc\u914d\u7f6e\u7684\uff0c\u90a3\u4e48\u8fd9\u90e8\u5206\u73af\u5883\u53d8\u91cf\u662f\u600e\u4e48\u52a0\u8f7d\u7684\u5462\u2014\u2014\u5176\u5b9e\u662f\u901a\u8fc7setenv\u7cfb\u7edf\u8c03\u7528\u8fdb\u884c\u914d\u7f6e\u7684\uff0c\u8fd9\u91cc\u6211\u4eec\u4ee5PATH\u73af\u5883\u53d8\u91cf\u4e3a\u4f8b\u5b50\uff1a<\/p>\n\n\n\n<pre class=\"io-enlighter-pre\"><code class=\"gl\" data-enlighter-language=\"php\" data-enlighter-linenumbers=\"true\" data-enlighter-lineoffset=\"\" data-enlighter-highlight=\"\">86_64:\/ # echo $PATH\n\/product\/bin:\/apex\/com.android.runtime\/bin:\/apex\/com.android.art\/bin:\/system_ext\/bin:\/system\/bin:\/system\/xbin:\/odm\/bin:\/vendor\/bin:\/vendor\/xbin<\/code><\/pre>\n\n\n\n<p class=\"has-text-align-justify\">\u6211\u4eec\u901a\u8fc7\u5728rc\u4e2d\u8fdb\u884c\u641c\u7d22\uff0c\u4f1a\u53d1\u73b0\u6ca1\u6709\u5730\u65b9\u53bbexport\u8be5\u73af\u5883\u53d8\u91cf\uff0c\u4f46\u5018\u82e5\u6211\u4eec\u5728init\u8fdb\u7a0b\u6e90\u7801\u4e2d\u4f7f\u7528\u641c\u7d22setenv\uff0c\u6211\u4eec\u5c31\u4f1a\u6709\u60ca\u559c\u7684\u53d1\u73b0\uff1a<\/p>\n\n\n\n<pre class=\"io-enlighter-pre\"><code class=\"gl\" data-enlighter-language=\"php\" data-enlighter-linenumbers=\"true\" data-enlighter-lineoffset=\"\" data-enlighter-highlight=\"\">\/\/ Update $PATH in the case the second stage init is newer than first stage init, where it is first set.\n    if (setenv(\"PATH\", _PATH_DEFPATH, 1) != 0) {\n        PLOG(FATAL) &lt;&lt; \"Could not set $PATH to '\" &lt;&lt; _PATH_DEFPATH &lt;&lt; \"' in second stage\";\n    }<\/code><\/pre>\n\n\n\n<p class=\"has-text-align-justify\">\u5f88\u660e\u663e\uff0cPATH\u73af\u5883\u53d8\u91cf\u662f\u901a\u8fc7setenv\u53bb\u8fdb\u884c\u8bbe\u7f6e\u7684\uff0c\u8fd9\u5c5e\u4e8e\u5728\u4ee3\u7801\u5185\u786c\u7f16\u7801\uff1b\u6211\u4eec\u770b\u770b_PATH_DEFPATH\u5b8f\u5b9a\u4e49\uff1a<\/p>\n\n\n\n<pre class=\"io-enlighter-pre\"><code class=\"gl\" data-enlighter-language=\"php\" data-enlighter-linenumbers=\"true\" data-enlighter-lineoffset=\"\" data-enlighter-highlight=\"\">\/** Default shell search path. *\/\n#define _PATH_DEFPATH \"\/product\/bin:\/apex\/com.android.runtime\/bin:\/apex\/com.android.art\/bin:\/system_ext\/bin:\/system\/bin:\/system\/xbin:\/odm\/bin:\/vendor\/bin:\/vendor\/xbin\"<\/code><\/pre>\n\n\n\n<p>\u8fd9\u4e0e\u6211\u4eec\u89c2\u5bdf\u5230\u7684\u73af\u5883\u53d8\u91cf\u662f\u4e00\u81f4\u7684\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u5982\u4f55\u6dfb\u52a0\u73af\u5883\u53d8\u91cf<\/h4>\n\n\n\n<p class=\"has-text-align-justify\">\u524d\u9762\u6211\u4eec\u5df2\u7ecf\u4e86\u89e3\u5230\u73af\u5883\u53d8\u91cf\u662f\u5982\u4f55\u52a0\u8f7d\u7684\u4e86\uff0c\u73b0\u5728\u5047\u8bbe\u6211\u4eec\u9700\u8981\u5728Android\u4e2d\u6dfb\u52a0\u81ea\u5df1\u7684\u73af\u5883\u53d8\u91cf\uff0c\u9700\u8981\u600e\u4e48\u505a\u5462\uff0c\u8fd9\u91cc\u5217\u4e3e\u51e0\u79cd\u529e\u6cd5\uff1a<\/p>\n\n\n\n<p class=\"has-text-align-justify\">1.\u5728 <strong>init.environ.rc.in<\/strong>\u4e2d\u8fdb\u884c\u6dfb\u52a0\uff0c\u8fd9\u79cd\u65b9\u5f0f\u9002\u5408\u5168\u5c40\u73af\u5883\u53d8\u91cf\uff1b\u53ef\u4ee5\u5728\u4e0d\u4fee\u6539init.rc\u7684\u60c5\u51b5\u4e0b\u6dfb\u52a0\u73af\u5883\u53d8\u91cf\uff0c\u6bd4\u8f83\u63a8\u8350\u4f7f\u7528\u3002\u6b64\u65f6\u53ef\u4ee5\u53c2\u8003rc\u542f\u52a8\u6587\u4ef6\u7684\u8bed\u6cd5\u89c4\u5219\u4f7f\u7528export\u547d\u4ee4\u5bfc\u5165\u5373\u53ef\u3002<\/p>\n\n\n\n<p class=\"has-text-align-justify\">2.\u5728init.rc\u4e2d\u8fdb\u884c\u6dfb\u52a0\uff0c\u8fd9\u79cd\u65b9\u5f0f\u4e0e\u4e0a\u8ff0\u7b2c\u4e00\u79cd\u65b9\u5f0f\u7c7b\u4f3c\uff0c\u9002\u5408\u6dfb\u52a0\u5168\u5c40\u73af\u5883\u53d8\u91cf\uff0c\u4e0d\u8fc7\u8fd9\u79cd\u65b9\u5f0f\u4f1a\u76f4\u63a5\u4fee\u6539init.rc\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u5176\u4ed6\u95ee\u9898\uff0c\u5982\u679c\u4e0d\u5c0f\u5fc3\u4fee\u6539\u9519\u8bef\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u7cfb\u7edf\u65e0\u6cd5\u5f00\u673a\u3002\u8fd9\u91cc\u7ed9\u4e00\u4e2aAOSP Android12\u4e2d\u7684\u793a\u4f8b\uff1a<\/p>\n\n\n\n<pre class=\"io-enlighter-pre\"><code class=\"gl\" data-enlighter-language=\"generic\" data-enlighter-linenumbers=\"true\" data-enlighter-lineoffset=\"\" data-enlighter-highlight=\"\">\/\/ system\/etc\/init\/hw\/init.rc \n# Linux's execveat() syscall may construct paths containing \/dev\/fd\n# expecting it to point to \/proc\/self\/fd\nsymlink \/proc\/self\/fd \/dev\/fd\n\nexport DOWNLOAD_CACHE \/data\/cache\n\n# This allows the ledtrig-transient properties to be created here so\n# that they can be chown'd to system:system later on boot\nwrite \/sys\/class\/leds\/vibrator\/trigger \"transient\"\n\n# This is used by Bionic to select optimized routines.\nwrite \/dev\/cpu_variant:${ro.bionic.arch} ${ro.bionic.cpu_variant}\nchmod 0444 \/dev\/cpu_variant:${ro.bionic.arch}\nwrite \/dev\/cpu_variant:${ro.bionic.2nd_arch} ${ro.bionic.2nd_cpu_variant}\n<\/code><\/pre>\n\n\n\n<p class=\"has-text-align-justify\">3.\u5982\u679c\u6211\u4eec\u9700\u8981\u7684\u5e76\u975e\u5168\u5c40\u73af\u5883\u53d8\u91cf\uff0c\u5982\u53ea\u662f\u67d0\u4e9b\u8fdb\u7a0b\u9700\u8981\u4f7f\u7528\u7684\u73af\u5883\u53d8\u91cf\uff0c\u53ef\u4ee5\u5728\u5bf9\u5e94\u8fdb\u7a0b\u7684rc\u542f\u52a8\u6587\u4ef6\u5185\u901a\u8fc7setenv\u8fdb\u884c\u5bfc\u5165\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n\n\n\n<pre class=\"io-enlighter-pre\"><code class=\"gl\" data-enlighter-language=\"generic\" data-enlighter-linenumbers=\"true\" data-enlighter-lineoffset=\"\" data-enlighter-highlight=\"\">service myservice \/system\/bin\/myservice\n        user system\n        group root\n        setenv MY_VARIABLE  value<\/code><\/pre>\n\n\n\n<p>\u5176\u4e2dMY_VARIABLE\u4e3a\u73af\u5883\u53d8\u91cf\u540d\uff0cvalue\u4e3a\u5bf9\u5e94\u7684\u503c\u3002<\/p>\n\n\n\n<p>4.\u5728init.rc\u4e2d\u4f7f\u7528\u5355\u72ec\u7684\u670d\u52a1\u6765\u8fdb\u884c\u5bfc\u5165\uff0c\u793a\u4f8b\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"io-enlighter-pre\"><code class=\"gl\" data-enlighter-language=\"generic\" data-enlighter-linenumbers=\"true\" data-enlighter-lineoffset=\"\" data-enlighter-highlight=\"\">service setenv \/system\/bin\/sh -c \"export FOO=bar; exec sleep 3600\"\n    class main\n    oneshot<\/code><\/pre>\n\n\n\n<p class=\"has-text-align-justify\">\u8fd9\u90e8\u5206\u5b9a\u4e49\u4e86\u4e00\u4e2a\u540d\u4e3asetenv\u7684\u670d\u52a1\uff0c\u5176\u6267\u884c\u7684\u5185\u5bb9\u4e3a\uff1a\u901a\u8fc7sh\u7ec8\u7aefexport\u540d\u4e3aFOO\uff0c\u503c\u4e3abar\u7684\u73af\u5883\u53d8\u91cf\uff0c\u4e4b\u540esleep 3600s\uff1b\u5176\u4e2doneshot\u8868\u793a\u53ea\u5728\u5f00\u673a\u9636\u6bb5\u6267\u884c\u4e00\u6b21\u3002<\/p>\n\n\n\n<p class=\"has-text-align-justify\">5.\u76f4\u63a5\u4fee\u6539init\u8fdb\u7a0b\u6e90\u7801\uff0c\u901a\u8fc7setenv\u7cfb\u7edf\u8c03\u7528\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u7a0b\u5e8f\u5185\u4f7f\u7528\u73af\u5883\u53d8\u91cf<\/h4>\n\n\n\n<p>\u5728\u7a0b\u5e8f\u5185\u4f7f\u7528\u73af\u5883\u53d8\u91cf\uff0c\u6211\u4eec\u4f1a\u7528\u5230\u4e24\u4e2a\u51fd\u6570\uff1asetenv\u4e0egetenv\uff0c\u4e24\u8005\u7686\u9700\u8981\u5f15\u7528stdlib.h\u5934\u6587\u4ef6\u3002<\/p>\n\n\n\n<p>getenv\u51fd\u6570\uff1a<\/p>\n\n\n\n<p><strong>char *getenv(const char *name);<\/strong><\/p>\n\n\n\n<p>\u4f7f\u7528\u793a\u4f8b\uff1a<\/p>\n\n\n\n<pre class=\"io-enlighter-pre\"><code class=\"gl\" data-enlighter-language=\"generic\" data-enlighter-linenumbers=\"true\" data-enlighter-lineoffset=\"\" data-enlighter-highlight=\"\">   const char* reject_kill_server = getenv(\"ADB_REJECT_KILL_SERVER\");\n    if (reject_kill_server &amp;&amp; strcmp(reject_kill_server, \"1\") == 0) {\n        adb_set_reject_kill_server(true);\n    }<\/code><\/pre>\n\n\n\n<p>\u8fd4\u56de\u503c\u4e3a\u6307\u9488\uff0c\u7a7a\u6307\u9488\u5219\u8868\u660e\u6ca1\u6709\u5339\u914d\u7684\u73af\u5883\u53d8\u91cf\u5b58\u5728\u3002<\/p>\n\n\n\n<p>setenv\u51fd\u6570\uff1a<\/p>\n\n\n\n<p>i<strong>nt<\/strong> <strong>setenv(const char name, const char value, int overwrite);<\/strong><\/p>\n\n\n\n<p>\u8fd4\u56de\u503c0\u4ee3\u8868\u6210\u529f\uff0c\u8fd4\u56de-1\u4ee3\u8868\u5931\u8d25\uff0c\u540c\u65f6\u4f1a\u8bbe\u7f6eerrno\u6807\u5fd7\u4f4d\u3002<\/p>\n\n\n\n<p class=\"has-text-align-justify\">\u9700\u8981\u6ce8\u610f\u7684\u662fsetenv\u51fd\u6570\u8bbe\u7f6e\u7684\u73af\u5883\u53d8\u91cf\u4e0d\u662f\u5168\u5c40\u7684\uff0c\u53ea\u5bf9\u5bf9\u5e94\u8fdb\u7a0b\u4ee5\u53ca\u5b50\u8fdb\u7a0b\u6709\u6548\u3002\u8fd9\u4e5f\u662f\u4e3a\u4ec0\u4e48Android\u7cfb\u7edf\u6240\u6709\u7684\u5168\u5c40\u73af\u5883\u53d8\u91cf\u90fd\u662f\u653e\u5728rc\u542f\u52a8\u6587\u4ef6\u5185\uff0c\u56e0\u4e3a\u53ea\u6709init\u8fdb\u7a0b\u4f1a\u53bb\u89e3\u6790\u8fd9\u4e9brc\u542f\u52a8\u6587\u4ef6\u5bfc\u5165\u73af\u5883\u53d8\u91cf\uff0c\u5e76\u4f20\u9012\u7ed9\u540e\u7eed\u7684\u6240\u6709\u8fdb\u7a0b\uff0c\u81ea\u7136\u4e5f\u5c31\u6210\u4e3a\u201c\u5168\u5c40\u73af\u5883\u53d8\u91cf\u201d\u3002<\/p>\n        <div class=\"booster-block booster-reactions-block\">\n            <div class=\"twp-reactions-icons\">\n                \n                <div class=\"twp-reacts-wrap\">\n                    <a react-data=\"be-react-1\" post-id=\"4557\" class=\"be-face-icons 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src=\"https:\/\/blog.coderfan.org\/wp-content\/plugins\/booster-extension\/\/assets\/icon\/sad.svg\" alt=\"Sad\">\n                    <\/a>\n                    <div class=\"twp-reaction-title\">\n                        Sad                    <\/div>\n                    <div class=\"twp-count-percent\">\n                                                    <span style=\"display: none;\" class=\"twp-react-count\">0<\/span>\n                                                                        <span class=\"twp-react-percent\"><span>0<\/span> %<\/span>\n                                            <\/div>\n                <\/div>\n\n                <div class=\"twp-reacts-wrap\">\n                    <a react-data=\"be-react-3\" post-id=\"4557\" class=\"be-face-icons un-reacted\" href=\"javascript:void(0)\">\n                        <img decoding=\"async\" src=\"https:\/\/blog.coderfan.org\/wp-content\/plugins\/booster-extension\/\/assets\/icon\/excited.svg\" alt=\"Excited\">\n        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class=\"twp-react-count\">0<\/span>\n                                                                        <span class=\"twp-react-percent\"><span>0<\/span> %<\/span>\n                        \n                    <\/div>\n                <\/div>\n\n                <div class=\"twp-reacts-wrap\">\n                    <a react-data=\"be-react-5\" post-id=\"4557\" class=\"be-face-icons un-reacted\" href=\"javascript:void(0)\">\n                        <img decoding=\"async\" src=\"https:\/\/blog.coderfan.org\/wp-content\/plugins\/booster-extension\/\/assets\/icon\/surprise.svg\" alt=\"Surprise\">\n                    <\/a>\n                    <div class=\"twp-reaction-title\">Surprise<\/div>\n                    <div class=\"twp-count-percent\">\n                                                    <span style=\"display: none;\" class=\"twp-react-count\">0<\/span>\n                                                                        <span class=\"twp-react-percent\"><span>0<\/span> %<\/span>\n                                            <\/div>\n                <\/div>\n\n            <\/div>\n        <\/div>","protected":false},"excerpt":{"rendered":"<p>Android12\u4e2d\u73af\u5883\u53d8\u91cf\u8bbe\u7f6e\u4e0e\u4f7f\u7528<\/p>","protected":false},"author":1,"featured_media":4483,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_editorskit_title_hidden":false,"_editorskit_reading_time":2,"_editorskit_is_block_options_detached":false,"_editorskit_block_options_position":"{}","om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[18],"tags":[46,33],"class_list":["post-4557","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-operating-system","tag-android","tag-linux"],"blocksy_meta":{"styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[]}},"aioseo_notices":[],"featured_image_urls":{"full":["https:\/\/blog.coderfan.org\/wp-content\/uploads\/2023\/04\/android.jpg",512,269,false],"thumbnail":["https:\/\/blog.coderfan.org\/wp-content\/uploads\/2023\/04\/android-150x150.jpg",150,150,true],"medium":["https:\/\/blog.coderfan.org\/wp-content\/uploads\/2023\/04\/android-300x158.jpg",300,158,true],"medium_large":["https:\/\/blog.coderfan.org\/wp-content\/uploads\/2023\/04\/android.jpg",512,269,false],"large":["https:\/\/blog.coderfan.org\/wp-content\/uploads\/2023\/04\/android.jpg",512,269,false],"1536x1536":["https:\/\/blog.coderfan.org\/wp-content\/uploads\/2023\/04\/android.jpg",512,269,false],"2048x2048":["https:\/\/blog.coderfan.org\/wp-content\/uploads\/2023\/04\/android.jpg",512,269,false],"trp-custom-language-flag":["https:\/\/blog.coderfan.org\/wp-content\/uploads\/2023\/04\/android-18x9.jpg",18,9,true]},"post_excerpt_stackable":"<p>Android12\u4e2d\u73af\u5883\u53d8\u91cf\u8bbe\u7f6e\u4e0e\u4f7f\u7528<\/p>\n","category_list":"<a 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