第8章源码

1.build.xml

<?xml version="1.0" encoding="UTF-8"?>
<project name="apkTargets" default="zipalign" basedir=".">
  <record name="C:/build.log" loglevel="info" append="no" action="start" />

  <property name="app.source.path" value="C:\ProjectForAntBuild" />
  <property name="jdk.home" value="C:\Program Files\Java\jdk1.6.0_10" />
  <property name="sdk.home" value="C:\android_sdk" />
  <property name="ant.path" value="C:\apache-ant-1.9.2\lib" />

  <property name="appname" value="ProjectForAntBuild" />
    <property name="target" value="android-20" />
    <property name="android_version" value="4.4" />
 
  <property name="bin.dir" value="${jdk.home}\bin" />
  <property name="sdk.folder" value="${sdk.home}\platforms\${target}" />
  <property name="android.tools" value="${sdk.home}\platform-tools\" />
  <property name="apk.tools" value="${sdk.home}/tools" />

  <property name="key.store" value="${app.source.path}\keystore" />
  <property name="key.alias" value="keystore" />
    <property name="key.store.password" value="123456" />
    <property name="key.alias.password" value="123456" />
    
  <property name="output.dir" value="out" />
    <property name="temp.dir" value="out" />

    <!-- 导入ant指令(If)需要用到第三方jar包ant-contrib.jar -->
    <path id="ant.contrib.lib">
        <fileset dir="${ant.path}">
            <include name="ant-contrib.jar" />
        </fileset>
    </path>
    <taskdef resource="net/sf/antcontrib/antcontrib.properties">
        <classpath refid="ant.contrib.lib" />
    </taskdef>

    <!-- Tools -->
  <property name="aapt" value="${android.tools}/aapt.exe" />
  <property name="zipalign" value="${apk.tools}/zipalign.exe" />
  <property name="jarsigner" value="${jdk.home}/bin/jarsigner.exe" />
  <property name="aidl" value="${android.tools}/aidl.exe" />
  <property name="dx" value="${android.tools}/dx.bat" />
  <property name="apk-builder" value="${apk.tools}/apkbuilder.bat" />

    <property name="android-jar" value="${sdk.folder}\android.jar" />
    <property name="annotations-jar" value="${sdk.home}\tools\support\annotations.jar" />

    <property name="android-framework" value="${sdk.folder}/framework.aidl" />
    <property name="proguard-home" value="${sdk.home}\tools\proguard\lib" />

    <!-- some file directory exclude "bin" file, because "bin" file will be changed each loop -->
    <property name="outdir-gen" value="gen" />
    <property name="resource-dir" value="res" />
    <property name="asset-dir" value="assets" />
    <property name="manifest-xml" value="AndroidManifest.xml" />

  <property name="srcdir" value="src" />
  <property name="srcdir-ospath" value="${basedir}\${srcdir}" />

  <property name="external-libs" value="libs" />
  <property name="external-libs-ospath" value="${basedir}\${external-libs}" />

    <property name="outdir" value="bin" />
  <property name="outdir-classes" value="${outdir}/classes" />
  <property name="outdir-classes-ospath" value="${basedir}\${outdir-classes}" />

    <property name="dex-file" value="classes.dex" />
  <property name="intermediate-dex" value="${outdir}/${appname}/${dex-file}" />
  <property name="intermediate-dex-ospath" value="${basedir}\${intermediate-dex}" />

    <!-- The final package file to generate -->
  <property name="resources-package" value="${outdir}/${appname}.ap_" />
  <property name="resources-package-ospath" value="${basedir}\${resources-package}" />

    <!-- The final apk file to generate when use the debug key  -->
  <property name="out-debug-package" value="${outdir}/${appname}-debug.apk" />
  <property name="out-debug-package-ospath" value="${basedir}\${out-debug-package}" />

    <property name="out-unsigned-package" value="${outdir}/${appname}/${appname}-unsigned.apk" />
  <property name="out-unsigned-package-ospath" value="${basedir}\${out-unsigned-package}" />

  <property name="out-signed-package" value="${outdir}/${appname}/${appname}-signed.apk" />
  <property name="out-signed-package-ospath" value="${basedir}\${out-signed-package}" />

  <property name="zipalign-package-ospath" value="${basedir}\${output.dir}\${appname}_for_android_${android_version}_${temp.dir}.apk" />

  <property name="libs-path" value="libs" />

  <!--1 初始化-->
    <target name="init">
    <delete dir="${outdir-gen}" />
    <delete dir="${outdir}" />
    <delete file="${basedir}/proguardMapping.txt" />

    <mkdir dir="${outdir-gen}" />
    <mkdir dir="${outdir-classes}" />
    <mkdir dir="${outdir}/${appname}" />
    <mkdir dir="${basedir}/${output.dir}" />
  </target>

  <!--2 生成R文件和Manifest.java-->
  <target name="aapt_gererateR" depends="init">
    <exec executable="${aapt}" failonerror="true">
            <arg value="package" />
            <arg value="-m" />
            <arg value="-J" />
            <arg value="${outdir-gen}" />
            <arg value="-M" />
            <arg value="${manifest-xml}" />
            <arg value="-S" />
            <arg value="${resource-dir}" />
            <arg value="-I" />
            <arg value="${android-jar}" />
        </exec>
    </target>

  <!--3 生成aidl对应的java文件-->
  <target name="aidl" depends="aapt_gererateR">
    <apply executable="${aidl}" failonerror="true">
            <arg value="-p${android-framework}" />
            <arg value="-I${srcdir}" />
            <arg value="-o${outdir-gen}" />
            <fileset dir="${srcdir}">
                <include name="**/*.aidl" />
            </fileset>
        </apply>
    </target>

  <!--4 编译java文件为class文件-->
  <target name="compile" depends="aidl">
    <javac debug="true" extdirs="" srcdir="." includeantruntime="on" 
           destdir="${outdir-classes}" bootclasspath="${android-jar}" encoding="UTF-8">
            <compilerarg line="-encoding UTF-8 " />
            <classpath>
                <fileset dir="${external-libs}" includes="*.so" />
                <fileset dir="${external-libs}" includes="**/*.so" />
                <fileset dir="${external-libs}" includes="*/*.so" />
                <fileset dir="${external-libs}" includes="**/*.jar" />
            </classpath>
        </javac>
    </target>

  <!--5 混淆-->
  <target name="obfuscate" depends="compile">
    <jar basedir="${outdir-classes}" destfile="temp.jar" />

    <java jar="${proguard-home}/proguard.jar" fork="true" failonerror="true">
            <jvmarg value="-Dmaximum.inlined.code.length=32" />
            <arg value="-injars temp.jar" />
            <arg value="-outjars optimized.jar" />
            <arg value="-libraryjars '${annotations-jar}'" />
            <arg value="-libraryjars '${android-jar}'" />
            <arg value="@proguard-project.txt" />
        </java>
        <delete file="temp.jar" />
        <delete dir="${outdir-classes}" />
        <mkdir dir="${outdir-classes}" />
    <unzip src="optimized.jar" dest="${outdir-classes}" />
        <delete file="optimized.jar" />
    </target>

  <!--6 把class文件转换为dex文件-->
  <target name="dex" depends="obfuscate">
        <apply executable="${dx}" failonerror="true" parallel="true">
            <arg value="--dex" />
            <arg value="--output=${intermediate-dex-ospath}" />
            <arg path="${outdir-classes-ospath}" />
            <arg path="${external-libs-ospath}" />
            <fileset dir="${external-libs}" includes="*.so" />
            <fileset dir="${external-libs}" includes="**/*.so" />
        </apply>
    </target>

  <!--7 aapt打包资源-->
  <target name="aapt-package-res" depends="dex">
    <echo>Packaging resources and assets...</echo>
    <echo>${resource-dir}</echo>
    <exec executable="${aapt}" failonerror="true">
      <arg value="package" />
      <arg value="-f" />
      <arg value="-M" />
      <arg value="${manifest-xml}" />
      <arg value="-S" />
      <arg value="${resource-dir}" />
      <arg value="-A" />
      <arg value="${asset-dir}" />
      <arg value="-I" />
      <arg value="${android-jar}" />
      <arg value="-F" />
      <arg value="${resources-package}" />
    </exec>
    </target>

  <!--8 apkbuilder打包成apk文件-->
  <target name="apkbuilder" depends="aapt-package-res">
        <exec executable="${apk-builder}" failonerror="true">
            <arg value="${out-unsigned-package-ospath}" />
            <arg value="-u" />
            <arg value="-z" />
            <arg value="${resources-package-ospath}" />
            <arg value="-f" />
            <arg value="${intermediate-dex-ospath}" />
            <arg value="-rf" />
            <arg value="${srcdir-ospath}" />
            <arg value="-nf" />
            <arg value="${external-libs-ospath}" />
            <arg value="-rj" />
            <arg value="${basedir}\${external-libs}" />
        </exec>
    </target>

  <!--9 签名apk文件-->
  <target name="jarsigner" depends="apkbuilder">
        <exec executable="${jarsigner}" failonerror="true">
            <arg value="-verbose" />
            <arg value="-keystore" />
            <arg value="${key.store}" />
            <arg value="-storepass" />
            <arg value="${key.store.password}" />
            <arg value="-keypass" />
            <arg value="${key.alias.password}" />
            <arg value="-signedjar" />
            <arg value="${out-signed-package-ospath}" />
            <arg value="${out-unsigned-package-ospath}" />
            <arg value="${key.alias}" />

            <arg value="-digestalg" />
            <arg value="SHA1" />
            <arg value="-sigalg" />
            <arg value="MD5withRSA" />
        </exec>
    </target>

  <!--10 对apk文件进行zipalign对齐-->
  <target name="zipalign" depends="jarsigner">
        <exec executable="${zipalign}" failonerror="true">
            <arg value="-v" />
            <arg value="-f" />
            <arg value="4" />
            <arg value="${out-signed-package-ospath}" />
            <arg value="${zipalign-package-ospath}" />
        </exec>
    </target>

</project>