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">        <!-- only create apk if *not* a library project -->        <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"/>                <!-- Signs the 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="${singer.prodkey}" verbose="true" timeout="500" retries="5" /> <!-- Zip aligns the APK --> <zipalign-helper in.package="${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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