android - 将 Scala 与 Gradle 一起用于 Android 项目

Question

某处似乎有内存泄漏。

在 IntelliJ 中设置项目并使用 Gradle 包装器时:

./gradlew assembleDebug --debug

大约 5 分钟后我得到以下信息:

14:30:15.245 [INFO] [org.gradle.api.Project] processing scala/collection/SeqViewLike$$anon$5.class...
14:30:53.132 [INFO] [org.gradle.api.Project] processing scala/collection/SeqViewLike$$anon$6.class...
14:33:51.027 [ERROR] [org.gradle.api.Project] 
14:33:51.028 [ERROR] [org.gradle.api.Project] UNEXPECTED TOP-LEVEL ERROR:
14:33:51.028 [ERROR] [org.gradle.api.Project] java.lang.OutOfMemoryError: Java heap space
14:33:51.028 [ERROR] [org.gradle.api.Project]   at java.util.HashMap.<init>(HashMap.java:209)
14:33:51.029 [ERROR] [org.gradle.api.Project]   at com.android.dx.ssa.LocalVariableInfo.<init>(LocalVariableInfo.java:66)
14:33:51.029 [ERROR] [org.gradle.api.Project]   at com.android.dx.ssa.LocalVariableExtractor.<init>(LocalVariableExtractor.java:72)
14:33:51.029 [ERROR] [org.gradle.api.Project]   at com.android.dx.ssa.LocalVariableExtractor.extract(LocalVariableExtractor.java:54)
14:33:51.029 [ERROR] [org.gradle.api.Project]   at com.android.dx.ssa.SsaConverter.convertToSsaMethod(SsaConverter.java:49)
14:33:51.030 [ERROR] [org.gradle.api.Project]   at com.android.dx.ssa.Optimizer.optimize(Optimizer.java:98)
14:33:51.030 [ERROR] [org.gradle.api.Project]   at com.android.dx.ssa.Optimizer.optimize(Optimizer.java:72)
14:33:51.030 [ERROR] [org.gradle.api.Project]   at com.android.dx.dex.cf.CfTranslator.processMethods(CfTranslator.java:303)
14:33:51.030 [ERROR] [org.gradle.api.Project]   at com.android.dx.dex.cf.CfTranslator.translate0(CfTranslator.java:139)
14:33:51.031 [ERROR] [org.gradle.api.Project]   at com.android.dx.dex.cf.CfTranslator.translate(CfTranslator.java:94)
14:33:51.031 [ERROR] [org.gradle.api.Project]   at com.android.dx.command.dexer.Main.processClass(Main.java:682)
14:33:51.031 [ERROR] [org.gradle.api.Project]   at com.android.dx.command.dexer.Main.processFileBytes(Main.java:634)
14:33:51.031 [ERROR] [org.gradle.api.Project]   at com.android.dx.command.dexer.Main.access$600(Main.java:78)
14:33:51.032 [ERROR] [org.gradle.api.Project]   at com.android.dx.command.dexer.Main$1.processFileBytes(Main.java:572)
14:33:51.032 [ERROR] [org.gradle.api.Project]   at com.android.dx.cf.direct.ClassPathOpener.processArchive(ClassPathOpener.java:284)
14:33:51.032 [ERROR] [org.gradle.api.Project]   at com.android.dx.cf.direct.ClassPathOpener.processOne(ClassPathOpener.java:166)
14:33:51.034 [ERROR] [org.gradle.api.Project]   at com.android.dx.cf.direct.ClassPathOpener.process(ClassPathOpener.java:144)
14:33:51.034 [ERROR] [org.gradle.api.Project]   at com.android.dx.command.dexer.Main.processOne(Main.java:596)
14:33:51.034 [ERROR] [org.gradle.api.Project]   at com.android.dx.command.dexer.Main.processAllFiles(Main.java:498)
14:33:51.034 [ERROR] [org.gradle.api.Project]   at com.android.dx.command.dexer.Main.runMonoDex(Main.java:264)
14:33:51.035 [ERROR] [org.gradle.api.Project]   at com.android.dx.command.dexer.Main.run(Main.java:230)
14:33:51.035 [ERROR] [org.gradle.api.Project]   at com.android.dx.command.dexer.Main.main(Main.java:199)
14:33:51.035 [ERROR] [org.gradle.api.Project]   at com.android.dx.command.Main.main(Main.java:103)

我正在使用 Scala 2.9.3 但在使用 2.10.x 时遇到了同样的问题。

这是我的build.gradle。

buildscript {
    repositories {
        mavenCentral()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:0.6.+'
    }
}

apply plugin: 'android'

repositories {
    mavenCentral()
}

android {
    compileSdkVersion 19
    buildToolsVersion "19.0.0"

    defaultConfig {
        minSdkVersion 7
        targetSdkVersion 19
    }
}

dependencies {
    compile 'com.android.support:appcompat-v7:+'

    // Scala.
    compile 'org.scala-lang:scala-library:2.9.3',
            'org.scala-lang:scala-compiler:2.9.3'
}

有人用 Gradle + Scala 成功编译过 Android 项目吗？

谢谢!

Answer 1

看起来您正在尝试对整个 Scala 库进行 dex。您在这里有 2 个选择:

1. 尝试增加堆大小。您可以在 this group 中阅读如何操作.但是，这不会解决构建时间问题。
2. 在实际 dexing 之前尝试使用 proguard。