最近嘗試了一下Android的Gradle打包，發現確實比Ant打包會方便很多，特此記錄下來。

注：android的gradle現在插件的版本已經是0.14.3了，對于一些老的方法和api，有一些已經被移除，無法使用(http://tools.android.com/tech-docs/new-build-system/migrating-to-1-0-0)，以下這些屬性改名，原先的不能用:

runProguard -> minifyEnabled (是否混淆) zipAlign -> zipALignEnabled (是否zip對齊) packageName -> applicationId jniDebugBuild-> jniDebuggable renderscriptDebug->renderscriptDebuggable renderscriptSupportMode->renderscriptSupportModeEnabled renderscriptNdkMode->renderscriptNdkModeEnabled Variant.packageApplication/zipAlign/createZipAlignTask/outputFile/processResources/processManifest使用variant.out代替

1、將Eclipse project轉換成Gradle project：

? ? ? 在Project右鍵->Export->Generate Gradle build files,這樣就會在Project多出一下文件：

　　

├── build.gradle ├── gradle │?? └── wrapper │?? ├── gradle-wrapper.jar │?? └── gradle-wrapper.properties ├── gradlew ├── gradlew.bat

gradlew和gradlew.bat分別是*nix下和windows下可執行的腳本，gradle-wrapper.properties用來指定需要下載的gradle的版本，內容如下：

#Wed Apr 10 15:27:10 PDT 2013 distributionBase=GRADLE_USER_HOME distributionPath=wrapper/dists zipStoreBase=GRADLE_USER_HOME zipStorePath=wrapper/dists distributionUrl=http\://services.gradle.org/distributions/gradle-2.2.1-all.zip

build.gradle是用來配置編譯選項的文件，附一個能夠成功運行的編譯腳本：

import java.text.DateFormat import java.text.SimpleDateFormat import java.util.regex.Patternbuildscript {repositories {mavenCentral()}//指定gradle插件版本 dependencies {classpath 'com.android.tools.build:gradle:0.14.+'} } apply plugin: 'android'//添加android依賴libs dependencies {compile fileTree(dir: 'libs', include: ['*.jar']) }//獲取系統時間 def buildTime() {def df = new SimpleDateFormat("yyyyMMdd'-'HHmm")df.setTimeZone(TimeZone.getDefault())return df.format(new Date()) }def apkName = "AndroidGradle"android {compileSdkVersion 18buildToolsVersion "20.0.0"sourceSets {main {manifest.srcFile 'AndroidManifest.xml'java.srcDirs = ['src']resources.srcDirs = ['src']aidl.srcDirs = ['src']renderscript.srcDirs = ['src']res.srcDirs = ['res']assets.srcDirs = ['assets']}// Move the tests to tests/java, tests/res, etc...instrumentTest.setRoot('tests')}//簽名 signingConfigs {release {storeFile file('release.keystore')storePassword '123456'keyAlias 'demo'keyPassword '111111'}}//渠道 productFlavors {free {applicationId 'com.clarck.httpclientnew.free'}premium {applicationId 'com.clarck.httpclientnew.premium'}}//lint檢查 lintOptions {abortOnError false}buildTypes {release {//混淆開關minifyEnabled true//是否zip對齊zipAlignEnabled true//是否打開debuggable開關debuggable false//是否打開jniDebuggable開關jniDebuggable false//混淆配置文件proguardFiles getDefaultProguardFile('proguard-android.txt')//簽名配置 signingConfig signingConfigs.release}android.applicationVariants.all { variant ->def manifestFile = file("AndroidManifest.xml")def pattern = Pattern.compile("versionName=\"(.+)\"")def manifestText = manifestFile.getText()def matcher = pattern.matcher(manifestText)matcher.find()def versionName = matcher.group(1) pattern = Pattern.compile("versionCode=\"(.+)\"")matcher = pattern.matcher(manifestText)matcher.find()def versionCode = matcher.group(1) if (variant.buildType.zipAlignEnabled) { variant.outputs.each { output -> def outputFile = output.outputFile if (outputFile != null && outputFile.name.endsWith('.apk')) { def fileName = "apk/" + applicationId + "-V" + versionName + "-" + versionCode + "-" + variant.name + "-" + buildTime() + ".apk" output.outputFile = new File(outputFile.parent, fileName) } } } else { variant.outputs.each { output -> def outputFile = output.outputFile if (outputFile != null && outputFile.name.endsWith('.apk')) { def fileName = "apk/" + applicationId + "-V" + versionName + "-" + versionCode + "-" + variant.name + "-" + buildTime() + "-unaligned.apk" output.outputFile = new File(outputFile.parent, fileName) } } } }} }

?最后執行./gradlew build進行打包即可，輸出如下結果就表示打包成功：

:preBuild :compileFreeDebugNdk :preFreeDebugBuild :checkFreeDebugManifest :prepareFreeDebugDependencies :compileFreeDebugAidl :compileFreeDebugRenderscript :generateFreeDebugBuildConfig :generateFreeDebugAssets UP-TO-DATE :mergeFreeDebugAssets :generateFreeDebugResValues UP-TO-DATE :generateFreeDebugResources :mergeFreeDebugResources :processFreeDebugManifest :processFreeDebugResources :generateFreeDebugSources :compileFreeDebugJava :preDexFreeDebug :dexFreeDebug :processFreeDebugJavaRes UP-TO-DATE :validateDebugSigning :packageFreeDebug :zipalignFreeDebug :assembleFreeDebug :compilePremiumDebugNdk :prePremiumDebugBuild :checkPremiumDebugManifest :preparePremiumDebugDependencies :compilePremiumDebugAidl :compilePremiumDebugRenderscript :generatePremiumDebugBuildConfig :generatePremiumDebugAssets UP-TO-DATE :mergePremiumDebugAssets :generatePremiumDebugResValues UP-TO-DATE :generatePremiumDebugResources :mergePremiumDebugResources :processPremiumDebugManifest :processPremiumDebugResources :generatePremiumDebugSources :compilePremiumDebugJava :preDexPremiumDebug :dexPremiumDebug :processPremiumDebugJavaRes UP-TO-DATE :packagePremiumDebug :zipalignPremiumDebug :assemblePremiumDebug :assembleDebug :preFreeReleaseBuild :checkFreeReleaseManifest :prepareFreeReleaseDependencies :compileFreeReleaseAidl :compileFreeReleaseRenderscript :generateFreeReleaseBuildConfig :generateFreeReleaseAssets UP-TO-DATE :mergeFreeReleaseAssets :generateFreeReleaseResValues UP-TO-DATE :generateFreeReleaseResources :mergeFreeReleaseResources :processFreeReleaseManifest :processFreeReleaseResources :generateFreeReleaseSources :compileFreeReleaseJava :lintVitalFreeRelease :compileFreeReleaseNdk :proguardFreeRelease :dexFreeRelease :processFreeReleaseJavaRes UP-TO-DATE :validateReleaseSigning :packageFreeRelease :zipalignFreeRelease :assembleFreeRelease :prePremiumReleaseBuild :checkPremiumReleaseManifest :preparePremiumReleaseDependencies :compilePremiumReleaseAidl :compilePremiumReleaseRenderscript :generatePremiumReleaseBuildConfig :generatePremiumReleaseAssets UP-TO-DATE :mergePremiumReleaseAssets :generatePremiumReleaseResValues UP-TO-DATE :generatePremiumReleaseResources :mergePremiumReleaseResources :processPremiumReleaseManifest :processPremiumReleaseResources :generatePremiumReleaseSources :compilePremiumReleaseJava :lintVitalPremiumRelease SKIPPED :compilePremiumReleaseNdk :proguardPremiumRelease :dexPremiumRelease :processPremiumReleaseJavaRes UP-TO-DATE :packagePremiumRelease :zipalignPremiumRelease :assemblePremiumRelease :assembleRelease :assemble :compileLint :lint Ran lint on variant premiumRelease: 5 issues found Ran lint on variant freeDebug: 5 issues found Ran lint on variant premiumDebug: 5 issues found Ran lint on variant freeRelease: 5 issues found Wrote HTML report to file:/data/gitwork/AutoBuildProject/build/outputs/lint-results.html Wrote XML report to /data/gitwork/AutoBuildProject/build/outputs/lint-results.xml :check :buildBUILD SUCCESSFULTotal time: 41.892 secs

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