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关于打包静态库

关于打包静态库

作者: lusen_b | 来源:发表于2017-08-31 11:16 被阅读0次

    由于公司业务需要，与鹅厂进行合作，为了防止泄密，提供可以连接控制设备的 SDK 给他们是使用。

    普及一下静态库和动态库的定义及区别

    静态库即静态链接库（Windows 下的 .lib，Linux 和 Mac 下的 .a）。之所以叫做静态，是因为静态库在编译的时候会被直接拷贝一份，复制到目标程序里，这段代码在目标程序里就不会再改变了。静态库的好处很明显，编译完成之后，库文件实际上就没有作用了。目标程序没有外部依赖，直接就可以运行。当然其缺点也很明显，就是会使用目标程序的体积增大。

    动态库动态库即动态链接库（Windows 下的 .dll，Linux 下的 .so，Mac 下的 .dylib）。与静态库相反，动态库在编译时并不会被拷贝到目标程序中，目标程序中只会存储指向动态库的引用。等到程序运行时，动态库才会被真正加载进来。动态库的优点是，不需要拷贝到目标程序中，不会影响目标程序的体积，而且同一份库可以被多个程序使用（因为这个原因，动态库也被称作共享库）。同时，编译时才载入的特性，也可以让我们随时对库进行替换，而不需要重新编译代码。动态库带来的问题主要是，动态载入会带来一部分性能损失，使用动态库也会使得程序依赖于外部环境。如果环境缺少动态库或者库的版本不正确，就会导致程序无法运行（Linux 下喜闻乐见的 lib not found 错误）。

    创建动态库framework的步骤》》》》》》见图

    1、新建项目

    Snip20161019_1.png

    2、将代码导入到项目中，并将公开的接口暴露

    Snip20161019_2.png

    注意：开放接口的头文件，一定要导入这个新建文件的头文件中，否则其他项目导入framework时会出现：找不到子模块的警告⚠️

    Snip20161019_12.png

    3、设置适合所有框架

    Snip20161019_3.png

    4、因为动态库打包出来只能是在真机或模拟器使用，为了方便调试，可以添加一个脚本命令，生成一个同时支持真机和模拟机的framework

    Snip20161019_5.png

    Snip20161019_6.png

    Snip20161019_7.png

    脚本命令

    set

    -e

    set

    +u

    ### Avoid recursively calling this script.

    if

    [[ $UF_MASTER_SCRIPT_RUNNING ]]

    then

    exit 0

    fi

    set

    -u

    export UF_MASTER_SCRIPT_RUNNING=1

    ### Constants.

    UF_TARGET_NAME=${PROJECT_NAME}

    FRAMEWORK_VERSION=

    "A"

    UNIVERSAL_OUTPUTFOLDER=${BUILD_DIR}/${CONFIGURATION}-universal

    IPHONE_DEVICE_BUILD_DIR=${BUILD_DIR}/${CONFIGURATION}-iphoneos

    IPHONE_SIMULATOR_BUILD_DIR=${BUILD_DIR}/${CONFIGURATION}-iphonesimulator

    ### Functions

    ## List files in the specified directory, storing to the specified array.

    #

    # @param $1 The path to list

    # @param $2 The name of the array to fill

    #

    ##

    list_files ()

    {

    filelist=$(ls

    "$1"

    )

    while

    read line

    do

    eval

    "$2[\${#$2[*]}]=\"\$line\""

    done <<<

    "$filelist"

    }

    ### Take build target.

    if

    [[

    "$SDK_NAME"

    =~ ([A-Za-z]+) ]]

    then

    SF_SDK_PLATFORM=${BASH_REMATCH[1]} #

    "iphoneos"

    or

    "iphonesimulator"

    .

    else

    echo

    "Could not find platform name from SDK_NAME: $SDK_NAME"

    exit 1

    fi

    ### Build simulator platform. (i386, x86_64)

    echo

    "========== Build Simulator Platform =========="

    echo

    "===== Build Simulator Platform: i386 ====="

    xcodebuild -project

    "${PROJECT_FILE_PATH}"

    -target

    "${TARGET_NAME}"

    -configuration

    "${CONFIGURATION}"

    -sdk iphonesimulator BUILD_DIR=

    "${BUILD_DIR}"

    OBJROOT=

    "${OBJROOT}"

    BUILD_ROOT=

    "${BUILD_ROOT}"

    CONFIGURATION_BUILD_DIR=

    "${IPHONE_SIMULATOR_BUILD_DIR}/i386"

    SYMROOT=

    "${SYMROOT}"

    ARCHS=

    'i386'

    VALID_ARCHS=

    'i386'

    $ACTION

    echo

    "===== Build Simulator Platform: x86_64 ====="

    xcodebuild -project

    "${PROJECT_FILE_PATH}"

    -target

    "${TARGET_NAME}"

    -configuration

    "${CONFIGURATION}"

    -sdk iphonesimulator BUILD_DIR=

    "${BUILD_DIR}"

    OBJROOT=

    "${OBJROOT}"

    BUILD_ROOT=

    "${BUILD_ROOT}"

    CONFIGURATION_BUILD_DIR=

    "${IPHONE_SIMULATOR_BUILD_DIR}/x86_64"

    SYMROOT=

    "${SYMROOT}"

    ARCHS=

    'x86_64'

    VALID_ARCHS=

    'x86_64'

    $ACTION

    ### Build device platform. (armv7, arm64)

    echo

    "========== Build Device Platform =========="

    echo

    "===== Build Device Platform: armv7 ====="

    xcodebuild -project

    "${PROJECT_FILE_PATH}"

    -target

    "${TARGET_NAME}"

    -configuration

    "${CONFIGURATION}"

    -sdk iphoneos BUILD_DIR=

    "${BUILD_DIR}"

    OBJROOT=

    "${OBJROOT}"

    BUILD_ROOT=

    "${BUILD_ROOT}"

    CONFIGURATION_BUILD_DIR=

    "${IPHONE_DEVICE_BUILD_DIR}/armv7"

    SYMROOT=

    "${SYMROOT}"

    ARCHS=

    'armv7 armv7s'

    VALID_ARCHS=

    'armv7 armv7s'

    $ACTION

    echo

    "===== Build Device Platform: arm64 ====="

    xcodebuild -project

    "${PROJECT_FILE_PATH}"

    -target

    "${TARGET_NAME}"

    -configuration

    "${CONFIGURATION}"

    -sdk iphoneos BUILD_DIR=

    "${BUILD_DIR}"

    OBJROOT=

    "${OBJROOT}"

    BUILD_ROOT=

    "${BUILD_ROOT}"

    CONFIGURATION_BUILD_DIR=

    "${IPHONE_DEVICE_BUILD_DIR}/arm64"

    SYMROOT=

    "${SYMROOT}"

    ARCHS=

    'arm64'

    VALID_ARCHS=

    'arm64'

    $ACTION

    ### Build device platform. (arm64, armv7)

    echo

    "========== Build Universal Platform =========="

    ## Copy the framework structure to the universal folder (clean it first).

    rm -rf

    "${UNIVERSAL_OUTPUTFOLDER}"

    mkdir -p

    "${UNIVERSAL_OUTPUTFOLDER}"

    ## Copy the last product files of xcodebuild command.

    cp -R

    "${IPHONE_DEVICE_BUILD_DIR}/arm64/${PROJECT_NAME}.framework"

    "${UNIVERSAL_OUTPUTFOLDER}/${PROJECT_NAME}.framework"

    ### Smash them together to combine all architectures.

    lipo -create

    "${BUILD_DIR}/${CONFIGURATION}-iphonesimulator/i386/${PROJECT_NAME}.framework/${PROJECT_NAME}"

    "${BUILD_DIR}/${CONFIGURATION}-iphonesimulator/x86_64/${PROJECT_NAME}.framework/${PROJECT_NAME}"

    "${BUILD_DIR}/${CONFIGURATION}-iphoneos/armv7/${PROJECT_NAME}.framework/${PROJECT_NAME}"

    "${BUILD_DIR}/${CONFIGURATION}-iphoneos/arm64/${PROJECT_NAME}.framework/${PROJECT_NAME}"

    -output

    "${UNIVERSAL_OUTPUTFOLDER}/${PROJECT_NAME}.framework/${PROJECT_NAME}"

    ### Create standard structure for framework.

    #

    # If we don't have "Info.plist -> Versions/Current/Resources/Info.plist", we may get error when use this framework.

    #

    # MyFramework.framework

    # |-- MyFramework -> Versions/Current/MyFramework

    # |-- Headers -> Versions/Current/Headers

    # |-- Resources -> Versions/Current/Resources

    # |-- Info.plist -> Versions/Current/Resources/Info.plist

    # `-- Versions

    #    |-- A

    #    |  |-- MyFramework

    #    |  |-- Headers

    #    |  |  `-- MyFramework.h

    #    |  `-- Resources

    #    |      |-- Info.plist

    #    |      |-- MyViewController.nib

    #    |      `-- en.lproj

    #    |          `-- InfoPlist.strings

    #    `-- Current -> A

    #

    echo

    "========== Create Standard Structure =========="

    mkdir -p

    "${UNIVERSAL_OUTPUTFOLDER}/${PROJECT_NAME}.framework/Versions/${FRAMEWORK_VERSION}/"

    mv

    "${UNIVERSAL_OUTPUTFOLDER}/${PROJECT_NAME}.framework/${PROJECT_NAME}"

    "${UNIVERSAL_OUTPUTFOLDER}/${PROJECT_NAME}.framework/Versions/${FRAMEWORK_VERSION}/"

    mv

    "${UNIVERSAL_OUTPUTFOLDER}/${PROJECT_NAME}.framework/Headers"

    "${UNIVERSAL_OUTPUTFOLDER}/${PROJECT_NAME}.framework/Versions/${FRAMEWORK_VERSION}/"

    mkdir -p

    "${UNIVERSAL_OUTPUTFOLDER}/${PROJECT_NAME}.framework/Resources"

    declare -a UF_FILE_LIST

    list_files

    "${UNIVERSAL_OUTPUTFOLDER}/${PROJECT_NAME}.framework/"

    UF_FILE_LIST

    for

    file_name

    in

    "${UF_FILE_LIST[@]}"

    do

    if

    [[

    "${file_name}"

    ==

    "Info.plist"

    ]] || [[

    "${file_name}"

    =~ .*\.lproj$ ]]

    then

    mv

    "${UNIVERSAL_OUTPUTFOLDER}/${PROJECT_NAME}.framework/${file_name}"

    "${UNIVERSAL_OUTPUTFOLDER}/${PROJECT_NAME}.framework/Resources/"

    fi

    done

    mv

    "${UNIVERSAL_OUTPUTFOLDER}/${PROJECT_NAME}.framework/Resources"

    "${UNIVERSAL_OUTPUTFOLDER}/${PROJECT_NAME}.framework/Versions/${FRAMEWORK_VERSION}/"

    ln -sfh

    "Versions/Current/Resources/Info.plist"

    "${UNIVERSAL_OUTPUTFOLDER}/${PROJECT_NAME}.framework/Info.plist"

    ln -sfh

    "${FRAMEWORK_VERSION}"

    "${UNIVERSAL_OUTPUTFOLDER}/${PROJECT_NAME}.framework/Versions/Current"

    ln -sfh

    "Versions/Current/${PROJECT_NAME}"

    "${UNIVERSAL_OUTPUTFOLDER}/${PROJECT_NAME}.framework/${PROJECT_NAME}"

    ln -sfh

    "Versions/Current/Headers"

    "${UNIVERSAL_OUTPUTFOLDER}/${PROJECT_NAME}.framework/Headers"

    ln -sfh

    "Versions/Current/Resources"

    "${UNIVERSAL_OUTPUTFOLDER}/${PROJECT_NAME}.framework/Resources"

    ### Open the universal folder.

    open

    "${UNIVERSAL_OUTPUTFOLDER}"

    5、生成framework文件，选中“StyleBox”文件，运行程序

    Snip20161019_9.png

    Snip20161019_11.png

    到这里，framework的创建已经成功了，只要右击“show in Finder”，就可以找得framework并导入其他项目中

    Paste_Image.png

    项目实际使用中，直接导入framework，并且需要动态库需要在此添加：

    Snip20161019_14.png

    当动态库中，包含资源文件如nib文件或图片的....

    Snip20161019_13.png

    以上是创建framework的基本流程

    作者：MR_詹

    链接：http://www.jianshu.com/p/7a49a6373bf6

    來源：简书

    著作权归作者所有。商业转载请联系作者获得授权，非商业转载请注明出处。

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