更新时间: 2019.04.17

AndroidManifest.xml:

android:sharedUserId="android.uid.systemui"    //SystemUI属于系统apkcoreApp="true"    //SystemUI属于核心apkandroid:persistent="true"    //SystemUI不会被KILL,即被KILL后会自动重启

Android.mk

# 每个Android.mk文件必须以定义LOCAL_PATH为开始。它用于在开发tree中查找源文件。  # my-dir 则由Build System提供。返回包含Android.mk的目录路径。固定写法  LOCAL_PATH := $(call my-dir)  # CLEAR_VARS 变量由Build System提供。并指向一个指定的GNU Makefile,负责清理多余的LOCAL_xxx.  # 这个清理动作是必须的,因为所有的编译控制文件由同一个GNU Make解析和执行,其变量是全局的  # 所以清理后才能避免相互影响 比如LOCAL_MODULE, LOCAL_SRC_FILES, LOCAL_STATIC_LIBRARIES  include $(CLEAR_VARS)  # 定义引用的jar包:名字自定义,后面会针对名字进行路径说明  LOCAL_STATIC_JAVA_LIBRARIES := supportinternal supportannotions  # 定义引用的aar包:名字自定义,后面会针对名字进行路径说明  # aar包内如果有jar包,需要导出引用比如V4包有jar包  LOCAL_STATIC_JAVA_AAR_LIBRARIES := support4  # 定义src文件路径  LOCAL_SRC_FILES := $(call all-subdir-Java-files) $(call all-java-files-under, src) $(call all-renderscript-files-under, src)  # 定义res文件路径  LOCAL_RESOURCE_DIR := $(LOCAL_PATH)/res  # 编译后名称  LOCAL_PACKAGE_NAME := SysemUI# 预置到 /system/pri-app/;不添加此属性,编译后的路径为/system/app/SystemUI# 在同样具有系统权限情况下,/system/pri-app下的apk权限比/system/app下大LOCAL_PRIVILEGED_MODULE := true# 编译生成目标的安装路径# 在build/core/envsetup.mk中定义;TARGET_ROOT_OUT:表示根文件系统;TARGET_OUT:表示system文件系统;TARGET_OUT_DATA:表示data文件系统。# 预置的apk用户可以卸载,恢复出厂设置不可恢复LOCAL_MODULE_PATH := $(TARGET_OUT_DATA_APPS)    # 预置的apk用户可以卸载,恢复出厂设置可恢复LOCAL_MODULE_PATH := $(TARGET_OUT)/vendor/operator/app    # 定义生成的apk使用的key  # 指定平台签名,生成Settings.apk文件之后,系统会使用如下两个文件对Settings.apk进行签名,这个系统设置就拥有系统权限了# (源码根目录)MSM8939_AndroidL/build/target/product/security/platform.pk8# (源码根目录)MSM8939_AndroidL/build/target/product/security/platform.x509.pem# Settings光使用Platform签名还不行,需要在AndroidManifest.xml文件package="xxx"后指定共享用户ID,并将添加属性: coreApp="true",才会变成内核应用# 任何一个Android应用,如果使用前面的配置,并在Android源代码中使用mm/mmm命令进行编译,其权限就会和Settings完全一样# 每一个版本(包括同一版本不同分支)Android源代码所带的Platform签名都不一样,使用不同的签名会导致apk程序认证不通过,尽管system/app下已存在对应apk# 设置coreApp="true"和android:sharedUserId="android.uid.system"的apk将用于系统级的权限(不需要root权限),Android采用了Linux的ACL权限管理方式 LOCAL_CERTIFICATE := platform# 指定混淆标识文件LOCAL_PROGUARD_FLAG_FILES := proguard.flags# 定义jar包 aar包的路径 :后面跟的是相对Android.mk文件的相对路径  LOCAL_PREBUILT_STATIC_JAVA_LIBRARIES := supportinternal:lib/support-annotations-22.2.1-sources.jar \                                          supportannmtions:lib/internal_impl-22.2.1.jar \                                          support4:lib/support-v4-22.2.1.aar \  include $(CLEAR_VARS)   # 因为aar包的存在,这个主要是用于合并AndroidManifest.xml 和res资源文件   LOCAL_AAPT_FLAG := \                      --auto-add-overlay \                      --extra-package android.support.v4 \                      --extra-package com.openthos.launcher.openthoslauncher   # 指明合并后的AndroidManifest.xml的路径 (一般不用指定)   LOCAL_MANIFEST_FILE := $(LOCAL_PATH)/AndroidManifest.xml   # 因引入jar包或aar包,须加上这句   include $(BUILD_MULTI_PREBUILT)   include $(call all-makefiles-under,$(LOCAL_PATH))  

Android.mk Sample:

# 编译一个简单的apk# 定义当前模块的相对路径LOCAL_PATH := $(call my-dir)# 清空当前环境变量include $(CLEAR_VARS)# 编译生成的目标名称LOCAL_PACKAGE_NAME := LocalPackage# 编译该模块需要的资源($(call all-subdir-java-files)当前目录下所有的.java文件)LOCAL_SRC_FILES := $(call all-subdir-java-files)# 编译生成目标文件格式include $(BUILD_PACKAGE)
  • 1. 预置apk
1.在目录下添加: /vendor/qcom/proprietary/MiniBrowser/Android.mk & MiniBrowser.apkAndroid.mk: LOCAL_PATH := $(call my-dir) include $(CLEAR_VARS) #Module name should match apk name to be installed LOCAL_MODULE := MiniBrowser LOCAL_MODULE_TAGS := optionalco LOCAL_SRC_FILES := $(LOCAL_MODULE).apk LOCAL_MODULE_CLASS := APPS LOCAL_MODULE_SUFFIX := $(COMMON_ANDROID_PACKAGE_SUFFIX) LOCAL_CERTIFICATE := PRESIGNED include $(BUILD_PREBUILT)2.配置加入系统编译: /vendor/qcom/proprietary/common/config/device-vendor.mkWANDOUJIA += wandoujiaPRODUCT_PACKAGES += $(WANDOUJIA )或者在/build/target/product/core.mk添加:PRODUCT_PACKAGES += \    MiniBrowser\

添加或移除编译系统源码(在/build/target/product/core.mk中移除配置)

  • 2.预置apk(apk带有so库)
 LOCAL_PATH := $(call my-dir) include $(CLEAR_VARS) # Module name should match apk name to be installed LOCAL_MODULE := baiduinput LOCAL_MODULE_TAGS := optional LOCAL_SRC_FILES := $(LOCAL_MODULE).apk LOCAL_MODULE_CLASS := APPS LOCAL_MODULE_SUFFIX := $(COMMON_ANDROID_PACKAGE_SUFFIX) LOCAL_CERTIFICATE := PRESIGNED LOCAL_MULTILIB:=32 LOCAL_PREBUILT_JNI_LIBS:= \  @lib/armeabi/libbdEASRAndroid.so  \  @lib/armeabi/libbdEASRAndroid.v1.8.8.so  \  @lib/armeabi/libprocmox_v1_4.so include $(BUILD_PREBUILT) #LOCAL_PRIVILEGED_MODULE := true #LOCAL_OVERRIDES_PACKAGES := Home
  • 3.编译一个带有so库的源码
LOCAL_PATH:= $(call my-dir)include $(CLEAR_VARS)LOCAL_MODULE := libgangyun_face_jniLOCAL_MODULE_TAGS := optionalLOCAL_MODULE_CLASS := SHARED_LIBRARIESLOCAL_SRC_FILES_arm := libs/armeabi/libgangyun_face_jni.soLOCAL_MODULE_SUFFIX := .soLOCAL_MULTILIB := 32include $(BUILD_PREBUILT)include $(CLEAR_VARS)LOCAL_MODULE_TAGS := optionalLOCAL_CERTIFICATE := platformLOCAL_STATIC_JAVA_LIBRARIES := android-support-v13LOCAL_STATIC_JAVA_LIBRARIES += android-ex-camera2-portabilityLOCAL_STATIC_JAVA_LIBRARIES += xmp_toolkitLOCAL_STATIC_JAVA_LIBRARIES += glideLOCAL_STATIC_JAVA_LIBRARIES += guavaLOCAL_STATIC_JAVA_LIBRARIES += jsr305LOCAL_STATIC_JAVA_LIBRARIES +=libaritygangyunsdkLOCAL_STATIC_JAVA_LIBRARIES += isoviewerLOCAL_SRC_FILES := $(call all-java-files-under, src)LOCAL_SRC_FILES += $(call all-java-files-under, src_pd)LOCAL_SRC_FILES += $(call all-java-files-under, src_pd_gcam)LOCAL_RESOURCE_DIR += \$(LOCAL_PATH)/res \$(LOCAL_PATH)/res_pinclude $(LOCAL_PATH)/version.mkLOCAL_AAPT_FLAGS := \        --auto-add-overlay \        --version-name "$(version_name_package)" \        --version-code $(version_code_package) \LOCAL_PACKAGE_NAME := Camera2#ifneq ($(TARGET_BUILD_VARIANT),eng)#LOCAL_OVERRIDES_PACKAGES := SnapdragonCamera#endifLOCAL_SDK_VERSION := currentLOCAL_PROGUARD_ENABLED := disabledLOCAL_PROGUARD_FLAG_FILES := proguard.flagsLOCAL_JNI_SHARED_LIBRARIES := libjni_tinyplanet libjni_jpegutilLOCAL_JNI_SHARED_LIBRARIES += libgangyun_face_jni LOCAL_MULTILIB := 32include $(BUILD_PACKAGE)include $(CLEAR_VARS)LOCAL_PREBUILT_STATIC_JAVA_LIBRARIES := libaritygangyunsdk:libs/gangyun-sdk-1.1.2-20160328.jar \                                        isoviewer:libs/isoviewer-1.0-RC-27.jarinclude $(BUILD_MULTI_PREBUILT)include $(call all-makefiles-under, $(LOCAL_PATH))
  • 3.添加预编译jar包(局部添加和全局添加)
3.1.1 在路径下添加文件(全局添加):    prebuilts/misc/common/ansen_libs/umeng-analytics-v6.0.1.jar; fc909.jar;Android.mk3.1.2 编写 Android.mk :    LOCAL_PATH:= $(call my-dir)    include $(CLEAR_VARS)    LOCAL_MODULE := fc909    LOCAL_MODULE_TAGS := optional    LOCAL_SRC_FILES := fc909.jar    LOCAL_MODULE_CLASS := JAVA_LIBRARIES    LOCAL_MODULE_SUFFIX := $(COMMON_JAVA_PACKAGE_SUFFIX)    include $(BUILD_PREBUILT)        include $(CLEAR_VARS)    LOCAL_MODULE := umeng-analytics-v6.0.1    LOCAL_MODULE_TAGS := optional    LOCAL_SRC_FILES := umeng-analytics-v6.0.1.jar    #LOCAL_IS_HOST_MODULE := true    LOCAL_MODULE_CLASS := JAVA_LIBRARIES    LOCAL_MODULE_SUFFIX := $(COMMON_JAVA_PACKAGE_SUFFIX)    include $(BUILD_PREBUILT)3.1.3 加入系统编译,在device/qcom/common/base.mk添加:    PRODUCT_PACKAGES += $(CRDA)    PRODUCT_PACKAGES += $(WLAN)    PRODUCT_PACKAGES += \        quciifplib \        fc909 \        umeng-analytics-v6.0.1 \        fingerprint            # Live Wallpapers    PRODUCT_PACKAGES += \            LiveWallpapers \3.1.4 使用已经添加的jar       packages/apps/Settings/Android.mk:    LOCAL_STATIC_JAVA_LIBRARIES := android-support-v4 \                    android-support-v13 fc909 quciifplib \                    umeng-analytics-v6.0.1----------------------------------------------------------3.2 在对应工程/libs下添加adapter-rxjava-2.1.0.jar; converter-gson-2.1.0.jar(局部添加)    Android.mk:    LOCAL_STATIC_JAVA_LIBRARIES := android-support-v4 \                    android-support-v13 \                    android-support-v7-appcompat \                    adapter-rxjava \                    gson     include $(CLEAR_VARS)    LOCAL_PREBUILT_STATIC_JAVA_LIBRARIES := adapter-rxjava:libs/adapter-rxjava-2.1.0.jar \                        gson:libs/gson-2.7.jar     #冒号前面为jar别名,后面为jar文件的实际路径      include $(BUILD_MULTI_PREBUILT)
  • 4.编译添加AAR包
LOCAL_STATIC_JAVA_AAR_LIBRARIES := filepickerLOCAL_AAPT_FLAGS := --auto-add-overlayLOCAL_AAPT_FLAGS += --extra-packages com.tomorrow_p.simpleinclude $(CLEAR_VARS)LOCAL_PREBUILT_STATIC_JAVA_LIBRARIES := filepicker:libs/filepicker-2.4.2.aarinclude $(BUILD_MULTI_PREBUILT)
  • 5.java文件编译出静态和动态jar包(局部和全局)

静态jar包: 静态jar包是使用.class文件打包而成的JAR文件,可以在任何java虚拟机运行;静态jar包会被打包进使用的apk或者plugin插件中,使用静态jar的缺点:每次修改完静态jar涉及的类后,apk或plugin插件也要重新编译打包,并且如果系统多处都使用此静态jar包,容易产生jar包内容的重复,jar包内容过大时占用空间变大.

在源代码src同级目录下添加Android.mk

LOCAL_PATH := $(call my-dir)include $(CLEAR_VARS)LOCAL_SRC_FILES := $(call all-java-files-under, src)LOCAL_MODULE := AAFrameworkinclude $(BUILD_STATIC_JAVA_LIBRARY)
LOCAL_PATH := $(call my-dir)include $(CLEAR_VARS)# Build all java files in the java subdirectoryLOCAL_SRC_FILES := $(call all-subdir-java-files)# 生成的java库的jar文件名LOCAL_JAVA_LIBRARIES := android.test.runner# The name of the jar file to createLOCAL_MODULE := sample#include $(BUILD_STATIC_JAVA_LIBRARY)#include $(BUILD_JAVA_LIBRARY)#编译生成动态库#include $(BUILD_SHARED_LIBRARY)

动态jar包(系统共享): 在静态jar包基础上使用.dex打包而成的jar文件,.dex是Android系统使用的文件格式

LOCAL_PATH := $(call my-dir)include $(CLEAR_VARS)LOCAL_SRC_FILES := $(call all-java-files-under, src)LOCAL_MODULE := AAFrameworkALL_DEFAULT_INSTALLED_MODULES += $(LOCAL_MODULE)LOCAL_PROGUARD_ENABLED := disabledLOCAL_DEX_PREOPT := falseinclude $(BUILD_JAVA_LIBRARY)
做法和静态jar包做法,只有一处不同,就是最后一句的声明的生成的是动态库;使用的时候有两种方法:1、使用的时候在去动态加载;  首先,在apk的AndroidMainfest.xml文件中添加对动态库的声明;  如:                其次,在system/ect/permissions下添加android.net.xml配置文件,在配置文件中去声明jar包的路径 <?xml version="1.0" encoding="utf-8"?>     标签表示除了framework中的动态库以外,系统将为应用自动加载的动态库;最后,只要在相应的system/framework目录下存在SkyFramework.jar即可2、像系统自动加载framework.jar包一样,开机时候默认加载  做法:Android5.0上是在build/target/product的core_minimal.mk中添加到  PRODUCT_BOOT_JARS := \AAFramework开机的时候会默认加载此动态jar包
  • 6.编译一个依赖静态和动态.jar文件的APK
LOCAL_PATH := $(call my-dir)include $(CLEAR_VARS)# 引入名为static-library的静态jar包LOCAL_STATIC_JAVA_LIBRARIES := static-library# 引入名为static-library的动态jar包#LOCAL_STATIC_LIBRARIES := share-library# Build all java files in the java subdirectoryLOCAL_SRC_FILES := $(call all-subdir-java-files)# Name of the APK to buildLOCAL_PACKAGE_NAME := LocalPackage# Tell it to build an APKinclude $(BUILD_PACKAGE)
  • 7.使用ifeq判断语句
LOCAL_PATH := $(call my-dir)include $(CLEAR_VARS)# 判断条件USED_SHARE :=TRUEifeq ($(USED_SHARE ),true)# 引入名为static-library的静态jar包LOCAL_STATIC_JAVA_LIBRARIES := static-libraryelse# 引入名为static-library的动态jar包LOCAL_STATIC_LIBRARIES := share-libraryendifLOCAL_SRC_FILES := $(call all-subdir-java-files)LOCAL_PACKAGE_NAME := LocalPackageinclude $(BUILD_PACKAGE)

-8.编译一个需要platform key签名的APK

LOCAL_PATH := $(call my-dir)include $(CLEAR_VARS)# Build all java files in the java subdirectoryLOCAL_SRC_FILES := $(call all-subdir-java-files)# Name of the APK to buildLOCAL_PACKAGE_NAME := LocalPackageLOCAL_CERTIFICATE := platform# Tell it to build an APKinclude $(BUILD_PACKAGE)注:LOCAL_CERTIFICATE 后面应该是签名文件的文件名
  • 9.编译一个需要特殊vendor key签名的APK
LOCAL_PATH := $(call my-dir)include $(CLEAR_VARS)# Build all java files in the java subdirectoryLOCAL_SRC_FILES := $(call all-subdir-java-files)# Name of the APK to buildLOCAL_PACKAGE_NAME := LocalPackageLOCAL_CERTIFICATE := vendor/example/certs/app# Tell it to build an APKinclude $(BUILD_PACKAGE)
  • 10.装载一个普通的第三方APK
LOCAL_PATH := $(call my-dir)include $(CLEAR_VARS)# Module name should match apk name to be installed.LOCAL_MODULE := LocalModuleNameLOCAL_SRC_FILES := $(LOCAL_MODULE).apkLOCAL_MODULE_CLASS := APPSLOCAL_MODULE_SUFFIX := $(COMMON_ANDROID_PACKAGE_SUFFIX)LOCAL_CERTIFICATE := platforminclude $(BUILD_PREBUILT) 
  • 11.support包的添加
LOCAL_PATH := $(call my-dir)# ---------------------------------------# Build OmaDrmEngineDemo application## Output: OmaDrmEngineDemo.apk# ----------------------------------------include $(CLEAR_VARS)LOCAL_MODULE_TAGS := optionalLOCAL_SRC_FILES := \        $(call all-java-files-under, src)LOCAL_PACKAGE_NAME := OmaDrmEngineDemoLOCAL_STATIC_JAVA_LIBRARIES := \        android-support-v4 \        android-support-v7-appcompat \        android-support-v7-recyclerview \        android-support-v7-gridlayout \        android-support-designLOCAL_RESOURCE_DIR = \        $(LOCAL_PATH)/res \        frameworks/support/v7/appcompat/res \        frameworks/support/v7/recyclerview/res \        frameworks/support/v7/gridlayout/res \        frameworks/support/design/res#$(LOCAL_PATH)/../../../../prebuilts/sdk/current/support/v7/appcompat/resLOCAL_AAPT_FLAGS := \        --auto-add-overlay \        --extra-packages android.support.v7.appcompat \        --extra-packages android.support.v7.recyclerview \        --extra-packages android.support.v7.gridlayout \        --extra-packages android.support.designLOCAL_PROGUARD_ENABLED := disabledLOCAL_DEX_PREOPT := falseLOCAL_MODULE_TAGS := eng developmentinclude $(BUILD_PACKAGE)
  • 12.引用系统的库 liblog
LOCAL_SHARED_LIBRARIED += liblog# 编译会从/out/targer/product/fiber-a31st/obj/lib/liblog.so找对应的库
  • 12.引用第三方的库文件
# 库的路径:/lib/,库的名称:libxxLOCAL_LDFLAGS += -L/lib/-libxx
  • 13.引用第三方头文件
# 头文件绝对路径:/inc/LOCAL_C_INCLUDES :=$(LOCAL_PATH)/inc/
  • 14.apk预置到system/framework
LOCAL_PATH := $(call my-dir)include $(CLEAR_VARS)# Module name should match apk name to be installed.LOCAL_MODULE := ZeusisCommonUILibraryLOCAL_SRC_FILES := $(LOCAL_MODULE).apkLOCAL_MODULE_CLASS := APPSLOCAL_MODULE_SUFFIX := $(COMMON_ANDROID_PACKAGE_SUFFIX)LOCAL_CERTIFICATE := platformLOCAL_MODULE_PATH := $(PRODUCT_OUT)/system/framework/LOCAL_DEX_PREOPT := falseLOCAL_EXPORT_PACKAGE_RESOURCES := trueLOCAL_MODULE_TAGS := optionalinclude $(BUILD_PREBUILT)

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