Android Studio配置Gradle（包括signingConfigs、buildTypes和productFlavors等）

笔者目前使用的Gradle配置描述如下：

配置划分：

1. defaultConfig 默认配置
2. signingConfigs 签名信息配置
3. buildTypes
4. productFlavors
5. 打包apk重命名
6. dependencies 依赖配置

详细配置：

1，defaultConfig 默认配置

defaultConfig {   //项目包名配置   applicationId "com.wildcreek.demo"    minSdkVersion 16   targetSdkVersion 19   versionCode 14   versionName "1.0.14"}
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2，signingConfigs 签名信息配置

signingConfigs {  release {//发布版本的签名配置      storeFile file(props['KEYSTORE_FILE'])      keyAlias props['KEY_ALIAS']      storePassword props['KEYSTORE_PWD']      keyPassword props['KEY_PWD']  }  debug {//调试版本的签名配置      storeFile file(props['DEBUG_KEYSTORE'])      keyAlias props['DEBUG_ALIAS']      storePassword props['DEBUG_KEYSTORE_PWD']      keyPassword props['DEBUG_KEY_PWD']  }}
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签名配置文件signing.properties：

KEYSTORE_FILE = release.keystoreKEY_ALIAS = wildcreekKEYSTORE_PWD= xxxKEY_PWD= xxxDEBUG_KEYSTORE= debug.keystoreDEBUG_ALIAS= androiddebugkeyDEBUG_KEYSTORE_PWD= androidDEBUG_KEY_PWD= android
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3， buildTypes

   注意：  1 .minifyEnabled 会对代码进行混淆和压缩，shrinkResources 会对比R文件对无用资源进行删除  2.minifyEnabled 设置为true时shrinkResources 的设置才会生效

buildTypes {  release {    debuggable true    minifyEnabled true //启用Proguard    shrinkResources true //是否清理无用资源,依赖于minifyEnabled    zipAlignEnabled true //是否启用zipAlign压缩    signingConfig signingConfigs.release    proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.txt'  }  debug {    debuggable true    minifyEnabled false  //不启用Proguard    shrinkResources false //是否清理无用资源,依赖于minifyEnabled    zipAlignEnabled false //是否启用zipAlign压缩    signingConfig signingConfigs.debug  }}
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4，productFlavors

自定义BuildConfig，工程编译后会生成BuildConfig类，该类会包含自定义字段。 
假设工程包含beijing和shandong两个productFlavors，且拥有各自不同的服务器等配置信息。

productFlavors{    beijing{        buildConfigField("boolean", "IS_LOCAL", "false")        buildConfigField("String", "SERVER_NAME", "\"BJ\"")        buildConfigField("String", "SERVER_HOST", "\"http://xxx.xxx.xxx.xx:8080\"")        buildConfigField("String", "LOGIN_API", "\"login\"")    }    shandong{        buildConfigField("boolean", "IS_LOCAL", "false")        buildConfigField("String", "SERVER_NAME", "\"SD\"")        buildConfigField("String", "SERVER_HOST", "\"http://xxx.xxx.xxx.xx:8080\"")        buildConfigField("String", "LOGIN_API", "\"loginsd\"")    }}
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5，打包apk重命名

def releaseTime() {    return new Date().format("yyyy-MM-dd", TimeZone.getTimeZone("UTC"))}applicationVariants.all { variant ->     variant.outputs.each { output ->         def outputFile = output.outputFile         if (variant.buildType.name.equals('release')) {              def fileName = "Demo_v${defaultConfig.versionName}_${releaseTime()}_release.apk"             if(variant.flavorName.equals("beijing")){                 fileName = "Demo_v${defaultConfig.versionName}_${releaseTime()}_beijing_release.apk"             }else if(variant.flavorName.equals("shandong")){                 fileName = "Demo_v${defaultConfig.versionName}_${releaseTime()}_shandong_release.apk"             }              output.outputFile = new File(outputFile.parent, fileName)         }else if(variant.buildType.name.equals('debug')){             def fileName = "Demo_v${defaultConfig.versionName}_${releaseTime()}_debug.apk"             if(variant.flavorName.equals("beijing")){                 fileName = "Demo_v${defaultConfig.versionName}_${releaseTime()}_beijing_debug.apk"             }else if(variant.flavorName.equals("shandong")){                 fileName = "Demo_v${defaultConfig.versionName}_${releaseTime()}_shandong_debug.apk"             }             output.outputFile = new File(outputFile.parent, fileName)         }     } }
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6，dependencies 依赖配置

不同buildTypes 和productFlavors 依赖不同的jar的配置情况

 dependencies {    compile 'com.android.support:appcompat-v7:22.2.1'    compile 'com.android.support:support-v4:22.2.1'    compile 'com.google.code.gson:gson:2.2.1'    compile 'net.robinx:lib.blur:1.0.1'    debugCompile 'com.squareup.leakcanary:leakcanary-android:1.5'    releaseCompile 'com.squareup.leakcanary:leakcanary-android-no-op:1.5'    compile fileTree(dir: 'libs', exclude:["*mtclib*.jar","*peerconnection*.jar"], include: "*.jar")    beijingCompile files("libs/mtclib_0908_bj.jar")    beijingCompile files("libs/libjingle_peerconnection_bj.jar")    shandongCompile files("libs/mtclib_170110_sd.jar")    shandongCompile files("libs/libjingle_peerconnection_sd.jar")}
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Github gist：

完整配置参见：

https://gist.github.com/fcf96ba9d265c09694fb24fd5ed34ee7