一：aar文件如何引用

系統Settings中引用bidehelper-1.1.12.aar 文件為例
源碼地址：packages/apps/Settings/Android.mk

LOCAL_PATH:= $(call my-dir) include $(CLEAR_VARS)LOCAL_SRC_FILES := \$(call all-logtags-files-under, src)LOCAL_MODULE := settings-logtagsinclude $(BUILD_STATIC_JAVA_LIBRARY)# Build the Settings APK include $(CLEAR_VARS)LOCAL_PACKAGE_NAME := Settings LOCAL_CERTIFICATE := platform LOCAL_PRIVILEGED_MODULE := true LOCAL_MODULE_TAGS := optional LOCAL_USE_AAPT2 := trueLOCAL_SRC_FILES := $(call all-java-files-under, src)LOCAL_STATIC_ANDROID_LIBRARIES := \android-support-v4 \android-support-v13 \android-support-v7-appcompat \android-support-v7-cardview \android-support-v7-preference \android-support-v7-recyclerview \android-support-v14-preferenceLOCAL_JAVA_LIBRARIES := \bouncycastle \core-oj \telephony-common \ims-common \telephony-extLOCAL_STATIC_JAVA_LIBRARIES := \jsr305 \settings-logtags+ LOCAL_STATIC_JAVA_AAR_LIBRARIES ：= bide_helper+ LOCAL_AAPT_FLAGS := \ + --auto-add-overlay \ + --extra-packages com.blackberry.bidehelperLOCAL_PROGUARD_FLAG_FILES := proguard.flagsifneq ($(INCREMENTAL_BUILDS),)LOCAL_PROGUARD_ENABLED := disabledLOCAL_JACK_ENABLED := incrementalLOCAL_JACK_FLAGS := --multi-dex native endifinclude frameworks/opt/setupwizard/library/common-gingerbread.mk include frameworks/base/packages/SettingsLib/common.mkinclude $(BUILD_PACKAGE)+ include $(CLEAR_VARS)+ LOCAL_PREBUILT_STATIC_JAVA_LIBRARIES := \ + bide_helper:libs/bidehelper-1.1.12.aar+ include $(BUILD_MULTI_PREBUILT)# Use the following include to make our test apk. ifeq (,$(ONE_SHOT_MAKEFILE)) include $(call all-makefiles-under,$(LOCAL_PATH)) endif

主要代碼如下：

#名稱可以隨便寫 LOCAL_STATIC_JAVA_AAR_LIBRARIES ：= bide_helper#寫入aar文件中的包名 LOCAL_AAPT_FLAGS := \--auto-add-overlay \--extra-packages com.blackberry.bidehelper

aar文件中的包名可以用壓縮工具直接打開，查看AndroidManifest.xml文件

<?xml version="1.0" encoding="utf-8" ?> - <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.blackberry.bidehelper" android:versionCode="1" android:versionName="1.0.0.219"><uses-sdk android:minSdkVersion="21" android:targetSdkVersion="26" /> <application android:allowBackup="false" android:label="@string/app_name" android:supportsRtl="true" /> </manifest> include $(CLEAR_VARS)#構建靜態java庫 LOCAL_PREBUILT_STATIC_JAVA_LIBRARIES := \bide_helper:libs/bidehelper-1.1.12.aarinclude $(BUILD_MULTI_PREBUILT)

編譯后文件生成路徑：out\target\product\msm8909\obj\JAVA_LIBRARIES

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喜歡源碼分析系列可參考其他文章：
Android源碼分析（一）-----如何快速掌握Android編譯文件
Android源碼分析（二）-----如何編譯修改后的framework資源文件
Android源碼分析（三）-----系統框架設計思想
Android源碼分析（四）-----Android源碼編譯及刷機步驟
Android源碼分析（五）-----如何從架構師的角度去設計Framework框架

轉載于:https://www.cnblogs.com/ljx646566715/p/10893929.html

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