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android NDK编译(导入).a文件和编译多个so文件

一、编译一个静态库 libstatic_android.a


LOCAL_PATH := $(call my-dir)

include $(CLEAR_VARS)
LOCAL_MODULE    := static_android 
LOCAL_SRC_FILES := libstatic_android.a  
include $(PREBUILT_STATIC_LIBRARY) 

include $(CLEAR_VARS)
LOCAL_MODULE    := fpdfembedsdk
LOCAL_SRC_FILES := xxxx.cpp
LOCAL_C_INCLUDES := $(LOCAL_PATH)/../include/
LOCAL_LDLIBS := -llog -g -L. -ljnigraphics

#fill in the foxit library here
#LOCAL_LDLIBS += libstatic_android.a
LOCAL_STATIC_LIBRARIES := static_android
include $(BUILD_SHARED_LIBRARY) #$(BUILD_STATIC_LIBRARY)

 


二、编译多个so文件

 

(1)Android.mk文件首先需要指定LOCAL_PATH变量,用于查找源文件。由于一般情况下Android.mk和需要编译的源文件在同一目录下,所以定义成如下形式:

LOCAL_PATH:=$(call my-dir)
上面的语句的意思是将LOCAL_PATH变量定义成本文件所在目录路径。
(2)Android.mk中可以定义多个编译模块,每个编译模块都是以include $(CLEAR_VARS)开始,以include $(BUILD_XXX)结束。
include $(CLEAR_VARS)
CLEAR_VARS由编译系统提供,指定让GNU MAKEFILE为你清除除LOCAL_PATH以外的所有LOCAL_XXX变量,
如LOCAL_MODULE,LOCAL_SRC_FILES,LOCAL_SHARED_LIBRARIES,LOCAL_STATIC_LIBRARIES等。

include $(BUILD_STATIC_LIBRARY)表示编译成静态库
include $(BUILD_SHARED_LIBRARY)表示编译成动态库。
include $(BUILD_EXECUTABLE)表示编译成可执行程序

(3)举例如下(frameworks/base/libs/audioflinger/Android.mk):

LOCAL_PATH:= $(call my-dir)
include $(CLEAR_VARS)  模块一
ifeq ($(AUDIO_POLICY_TEST),true)
  ENABLE_AUDIO_DUMP := true
endif

LOCAL_SRC_FILES:= \
    AudioHardwareGeneric.cpp \
    AudioHardwareStub.cpp \
    AudioHardwareInte易做图ce.cpp
ifeq ($(ENABLE_AUDIO_DUMP),true)
  LOCAL_SRC_FILES += AudioDumpInte易做图ce.cpp
  LOCAL_CFLAGS += -DENABLE_AUDIO_DUMP
endif

LOCAL_SHARED_LIBRARIES := \
    libcutils \
    libutils \
    libbinder \
    libmedia \
    libhardware_legacy

ifeq ($(strip $(BOARD_USES_GENERIC_AUDIO)),true)
  LOCAL_CFLAGS += -DGENERIC_AUDIO
endif

LOCAL_MODULE:= libaudiointe易做图ce

ifeq ($(BOARD_HAVE_BLUETOOTH),true)
  LOCAL_SRC_FILES += A2dpAudioInte易做图ce.cpp
  LOCAL_SHARED_LIBRARIES += liba2dp
  LOCAL_CFLAGS += -DWITH_BLUETOOTH -DWITH_A2DP
  LOCAL_C_INCLUDES += $(call include-path-for, bluez)
endif

include $(BUILD_STATIC_LIBRARY)  模块一编译成静态库

include $(CLEAR_VARS)  模块二
LOCAL_SRC_FILES:=               \
    AudioPolicyManagerBase.cpp
LOCAL_SHARED_LIBRARIES := \
    libcutils \
    libutils \
    libmedia

ifeq ($(TARGET_SIMULATOR),true)
  LOCAL_LDLIBS += -ldl
else
  LOCAL_SHARED_LIBRARIES += libdl
endif

LOCAL_MODULE:= libaudiopolicybase
ifeq ($(BOARD_HAVE_BLUETOOTH),true)
  LOCAL_CFLAGS += -DWITH_A2DP
endif

ifeq ($(AUDIO_POLICY_TEST),true)
  LOCAL_CFLAGS += -DAUDIO_POLICY_TEST
endif

include $(BUILD_STATIC_LIBRARY) 模块二编译成静态库

include $(CLEAR_VARS) 模块三
LOCAL_SRC_FILES:=               \
    AudioFlinger.cpp            \
    AudioMixer.cpp.arm          \
    AudioResampler.cpp.arm      \
    AudioResamplerSinc.cpp.arm  \
    AudioResamplerCubic.cpp.arm \
    AudioPolicyService.cpp
LOCAL_SHARED_LIBRARIES := \
    libcutils \
    libutils \
    libbinder \
    libmedia \
    libhardware_legacy
ifeq ($(strip $(BOARD_USES_GENERIC_AUDIO)),true)
  LOCAL_STATIC_LIBRARIES += libaudiointe易做图ce libaudiopolicybase
  LOCAL_CFLAGS += -DGENERIC_AUDIO
else
  LOCAL_SHARED_LIBRARIES += libaudio libaudiopolicy
endif

ifeq ($(TARGET_SIMULATOR),true)
  LOCAL_LDLIBS += -ldl
else
  LOCAL_SHARED_LIBRARIES += libdl
endif

LOCAL_MODULE:= libaudioflinger
ifeq ($(BOARD_HAVE_BLUETOOTH),true)
  LOCAL_CFLAGS += -DWITH_BLUETOOTH -DWITH_A2DP
  LOCAL_SHARED_LIBRARIES += liba2dp
endif

ifeq ($(AUDIO_POLICY_TEST),true)
  LOCAL_CFLAGS += -DAUDIO_POLICY_TEST
endif

ifeq ($(TARGET_SIMULATOR),true)
    ifeq ($(HOST_OS),linux)
        LOCAL_LDLIBS += -lrt -lpthread
    endif
endif

ifeq ($(BOARD_USE_LVMX),true)
    LOCAL_CFLAGS += -DLVMX
    LOCAL_C_INCLUDES += vendor/nxp
    LOCAL_STATIC_LIBRARIES += liblifevibes
    LOCAL_SHARED_LIBRARIES += liblvmxservice
#    LOCAL_SHARED_LIBRARIES += liblvmxipc
endif

include $(BUILD_SHARED_LIBRARY) 模块三编译成动态库

(4)编译一个应用程序(APK)

  LOCAL_PATH := $(call my-dir)
  include $(CLEAR_VARS)
  # Build all java files in the java subdirectory-->直译(建立在java子目录中的所有Java文件)
  LOCAL_SRC_FILES := $(call all-subdir-java-files)
  # Name of the APK to build-->直译(创建APK的名称)
  LOCAL_PACKAGE_NAME := LocalPackage
  # Tell it to build an APK-->直译(告诉它来建立一个APK)
  include $(BUILD_PACKAGE)

(5)编译一个依赖于静态Java库(static.jar)的应用程序

  LOCAL_PATH := $(call my-dir)
  include $(CLEAR_VARS)
  # List of static libraries to include in the package
  LOCAL_STATIC_JAVA_LIBRARIES := static-library
  # Build all java files in the java subdirectory
  LOCAL_SRC_FILES := $(call all-subdir-java-files)
  # Name of the APK to build
  LOCAL_PACKAGE_NAME := LocalPackage
  # Tell it to build an APK
  include $(BUILD_PACKAGE)

(6)编译一个需要用平台的key签名的应用程序

  LOCAL_PATH := $(call my-dir)
  include $(CLEAR_VARS)
  # Build all java files in the java subdirectory
  LOCAL_SRC_FILES := $(call all-subdir-java-files)
  # Name of the APK to build
  LOCAL_PACKAGE_NAME := LocalPackage
  LOCAL_CERTIFICATE := platform
  # Tell it to build an APK
  include $(BUILD_PACKAGE)

(7)编译一个需要用特定key前面的应用程序

  LOCAL_PATH := $(call my-dir)
  include $(CLEAR_VARS)
  # Build all java files in the java subdirectory
  LOCAL_SRC_FILES := $(call all-subdir-java-files)
  # Name of the APK to build
  LOCAL_PACKAGE_NAME := LocalPackage
  LOCAL_CERTIFICATE := vendor/example/certs/app
  # Tell it to build an APK
  include $(BUILD_PACKAGE)

(8)添加一个预编译应用程序

  LOCAL_PATH := $(call my-dir)
  include $(CLEAR_VARS)
  # Module name should match apk name to be installed.
  LOCAL_MODULE := LocalModuleName
  LOCAL_SRC_FILES := $(LOCAL_MODULE).apk
  LOCAL_MODULE_CLASS := APPS补充:移动开发 , Android ,

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