Android Studio Gradle 多渠道自动打包，动态修改HostUrl，签名apk，混淆配置详解

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文/ skay

csdn博客：http://blog.csdn.net/sk719887916/article/details/40541163

最近遇到项目从Eclispe迁移到Android studio，以前的Ant自动打包脚本已经兼容不好了，所以用了Gradle实现打渠道包，切换环境等，

Ant打包脚本

<target name="-release-sign" if="has.keystore">  <do-only-if-not-library elseText="Library project: do not create apk..."> <sequential> <property name="out.unaligned.file" location="${out.absolute.dir}/${ant.project.name}-release-unaligned.apk"/>  <echo level="info">Signing final apk with your apk signer server...</echo> <taskdef resource="com/myapk/ant/task/defaults.properties" classpath="${signer.jar}"/> <apk-signer server="http://xxx.com/packservice/sign<pre name="code" class="html" style="font-size: 14px; line-height: 26px;">

</pre><p><pre name="code" class="html">" apk="${out.packaged.file}" dest="${out.unaligned.file}" prodkey="${singer.prodkey}" verbose="true" timeout="500" retries="5" />  <zipalign-helper in.package="${out.unaligned.file}" out.package="${out.final.file}"/> <echo level="info">Release Package: ${out.final.file}</echo> </sequential> </do-only-if-not-library> <record-build-info/> </target>

Gradle

加入配置，签名文件，配置打包生成apk文件名称规则，配置url，配置渠道等

配置gradle

android {}配置一些关于android的基本配置

1配置依赖关系

dependencies { compile fileTree(include: ['*.jar'], dir: 'libs') testCompile 'junit:junit:4.12' compile 'com.android.support:appcompat-v7:23.2.1' compile 'com.android.support:support-v4:23.2.1' compile 'com.android.support:recyclerview-v7:23.2.1' ......}

如果想兼容v4

compile ('com.android.support:recyclerview-v7:22.2.0'){ exclude module: 'support-v4' }

3配置打包方式

signingConfigs {

release { keyAlias props['KEY_ALIAS'] keyPassword props['KEY_PASSWORD'] storeFile file(props['KEYSTORE_FILE']) storePassword props['KEYSTORE_PASSWORD'] } debug { storeFile file('../../debug.keystore') storePassword 'you pass' keyAlias 'you key' keyPassword 'you pass' } }

加载签名配置文件

Properties props = new Properties() props.load(new FileInputStream(file("signing.properties")))

签名文件 signing.properties 配置如下：

KEY_ALIAS = xxxxKEY_PASSWORD = 你的密码KEYSTORE_FILE = ../../nide.keystroe (相对路径)KEYSTORE_PASSWORD =密码

签名你自己可生成，可以直接用eclispe生成的。

三配置环境

定义线上环境Url

def host_url = "https://xxx.com";

四配置混淆

开启混淆开关：

minifyEnabled true

开启过滤非引用资源打包：

shrinkResources true

打开log输出：

buildConfigField "boolean", "LOG_DEBUG", "true"

定义打包方式：

buildTypes { release { minifyEnabled true shrinkResources true buildConfigField "boolean", "LOG_DEBUG", "false" proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' signingConfig signingConfigs.release } debug { minifyEnabled true shrinkResources true buildConfigField "boolean", "LOG_DEBUG", "true" signingConfig signingConfigs.debug proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' } }

编译项目后会生成buildConfig文件

public final class BuildConfig { public static final boolean DEBUG = Boolean.parseBoolean("true"); // app id public static final String APPLICATION_ID = "com.skay.test"; public static final String BUILD_TYPE = "debug"; // 渠道 public static final String FLAVOR = "dev"; // 版本 public static final int VERSION_CODE = 1; public static final String VERSION_NAME = "1.0"; // Fields from the variant public static final String APP_ENV = "dev "; // host public static final String HOST_URL = " http://aaa.com/"; // Fields from build type: debug public static final boolean LOG_DEBUG = true;}

代码中可以用上面的变量做一些判断。

五配置打包脚本

// 指定输出的apk名 applicationVariants.all { variant -> variant.outputs.each { output -> def outputFile = output.outputFile // 打包类型 def buildTypeName = variant.buildType.name if (outputFile != null && outputFile.name.endsWith('.apk')) { // 包名称 def flavorName = variant.productFlavors[0].name // 版本名称 def versionName = defaultConfig.versionName // 开发环境 buildConfigField "String", "APP_ENV", "\"${flavorName} \"" // 修改打包环境的url buildConfigField "String", "HOST_URL", "\" ${host_url}\"" // yourapkname_release_myapk_ver1.0.0_build20130312.apk 输出格式 def fileName = "${PRODUCT_NAME}_${buildTypeName}_${flavorName}_env${flavorName}_ver${versionName}_build${BUILD_TIME_FORMAT}.apk" output.outputFile = new File(outputFile.parent, fileName) } } }

六切换渠道

//修改渠道号 productFlavors { // 线上版本 release{ } //开发版本， dev { host_url = "http://xxxx1.com./" } //Qa测试版本 qa{ host_url = "http://xxx2.com/" } }

这样我们在打包时只要你开启你要的那个版本，buildConfig将会修改，输出包就可以了，不仅切换了Url,而且还制定了渠道版本，非常方便

六添加对jar的支持

有时候从eclispe移植过来时，返现jar无法加载，找不到地址

在android {}加入以下配置

sourceSets { main { jniLibs.srcDir 'libs' } // Move the tests to tests/java, tests/res, etc... instrumentTest.setRoot('tests') // Move the build types to build-types/<type> // For instance, build-types/debug/java, build-types/debug/AndroidManifest.xml, ... // This moves them out of them default location under src/<type>/... which would // conflict with src/ being used by the main source set. // Adding new build types or product flavors should be accompanied // by a similar customization. debug.setRoot('build-types/debug') release.setRoot('build-types/release') }

七添加对ndk的支持

如果so找不到请配置对四个不同cpu的支持

在android {}加入以下配置

defaultConfig { ....... ndk { abiFilters "armeabi", "armeabi-v7a", "x86", "mips" } }

混淆相关：

配置proguard-rules.pro文件

# 混淆时不使用大小写混合，混淆后的类名为小写# windows下的同学还是加入这个选项吧(windows大小写不敏感)-dontusemixedcaseclassnames# 如果应用程序引入的有jar包,并且想混淆jar包里面的class-dontskipnonpubliclibraryclasses# 指定不去忽略非公共的库的类的成员-dontskipnonpubliclibraryclassmembers# 有了verbose这句话，混淆后就会生成映射文件# 包含有类名->混淆后类名的映射关系# 然后使用printmapping指定映射文件的名称-verbose-ignorewarnings# Optimization is turned off by default. Dex does not like code run# through the ProGuard optimize and preverify steps (and performs some# of these optimizations on its own).# 不做预检验，preverify是proguard的四个步骤之一# Android不需要preverify，去掉这一步可以加快混淆速度-dontpreverify# If you want to enable optimization, you should include the following:# 混淆采用的算法-optimizations !code/simplification/arithmetic,!code/simplification/cast,!field/*,!class/merging/*# 设置混淆的压缩比率 0 ~ 7-optimizationpasses 5-allowaccessmodification# 保护代码中的Annotation不被混淆# 这在JSON实体映射时非常重要，比如fastJson-keepattributes *Annotation*# 避免混淆泛型# 这在JSON实体映射时非常重要，比如fastJson-keepattributes Signature# 抛出异常时保留代码行号-keepattributes SourceFile,LineNumberTable# Add any project specific keep options here:# 保留了继承自Activity、Application这些类的子类# 因为这些子类有可能被外部调用# 比如第一行就保证了所有Activity的子类不要被混淆-keep public class * extends android.app.Activity-keep public class * extends android.app.Application-keep public class * extends android.app.Service-keep public class * extends android.content.BroadcastReceiver-keep public class * extends android.content.ContentProvider-keep public class * extends android.view.View-keep public class * extends android.app.backup.BackupAgent-keep public class * extends android.app.backup.BackupAgentHelper-keep public class * extends android.preference.Preference-keep public class * extends android.support.v4.app.Fragment-keep public class * extends android.app.Fragment-keep public class com.android.vending.licensing.ILicensingService# For native methods, see http://proguard.sourceforge.net/manual/examples.html#native# 所有native的方法不能去混淆.-keepclasseswithmembernames class * { native <methods>;}# For enumeration classes, see http://proguard.sourceforge.net/manual/examples.html#enumerations# 枚举类不能去混淆-keepclassmembers enum * { public static **[] values(); public static ** valueOf(java.lang.String);}# 某些构造方法不能去混淆-keepclasseswithmembers class * { public <init>(android.content.Context, android.util.AttributeSet);}-keepclasseswithmembers class * { public <init>(android.content.Context, android.util.AttributeSet, int);}# aidl文件不能去混淆.# 保留Parcelable序列化的类不能被混淆-keep class * implements android.os.Parcelable { public static final android.os.Parcelable$Creator *;}# 保留Serializable 序列化的类不被混淆-keep class * implements java.io.Serializable { public *;}-keepclassmembers class * implements java.io.Serializable { static final long serialVersionUID; private static final java.io.ObjectStreamField[] serialPersistentFields; !static !transient <fields>; private void writeObject(java.io.ObjectOutputStream); private void readObject(java.io.ObjectInputStream); java.lang.Object writeReplace(); java.lang.Object readResolve();}# 保留Activity中的方法参数是view的方法，# 从而我们在layout里面编写onClick就不会影响-keepclassmembers class * extends android.app.Activity { public void *(android.view.View);}# 保留自定义控件(继承自View)不能被混淆-keep public class * extends android.view.View { public <init>(android.content.Context); public <init>(android.content.Context, android.util.AttributeSet); public <init>(android.content.Context, android.util.AttributeSet, int); public void set*(...); public void get*(...);}# 对R文件下的所有类及其方法，都不能被混淆-keepclassmembers class **.R$* { *;}# 对于带有回调函数onXXEvent的，不能混淆-keepclassmembers class * { void *(**On*Event);}

常规混淆配置好，可以增加你项目中的混淆了，如数据模型bean，第三方sdk等

-keep class com.baidu.pushsdk.** { *;}

<pre name="code" class="java">-keep class com.mybisniss.mybean.** { *;}

总结：

好了以上是常用的gradle打包过程中遇到的坑，都能满足你对as的需求了，以后遇到再补充

文/ skay

csdn博客：http://blog.csdn.net/sk719887916/article/details/40541163 请尊重原创

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