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Android编译编译速度提升

 3 years ago
source link: https://blog.bihe0832.com/gradle-config.html
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在平时开发中，经常会发现当项目工程越来越大时，编译速度会大大影响编译器的编译效率。这里集中总结一下项目开发中用到的一些优化方式。

调整全局配置

修改项目的gradle.properties文件，添加一些gradle相关的全局配置，配置项的说明参照配置文件中的介绍。具体内容参考如下配置文件：

# Specifies the JVM arguments used for the daemon process.
# The setting is particularly useful for tweaking memory settings.
# Default value: -Xmx10248m -XX:MaxPermSize=256m
org.gradle.jvmargs=-Xmx2048m -XX:MaxPermSize=512m -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8


# The Gradle daemon aims to improve the startup and execution time of Gradle.
# When set to true the Gradle daemon is to run the build.
org.gradle.daemon=true


# When configured, Gradle will run in incubating parallel mode.
# This option should only be used with decoupled projects. More details, visit
# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
org.gradle.parallel=true

# Enables new incubating mode that makes Gradle selective when configuring projects.
# Only relevant projects are configured which results in faster builds for large multi-projects.
# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:configuration_on_demand
org.gradle.configureondemand=true

// To re-enable the build cache, either delete the following
// line or set the property to 'true'.
android.enableBuildCache=true

常用task

  • debug和release相关

    build会同时生成debug和release的apk，如果存在自动测试还会运行测试用例，如果为了方便调试，可以仅生成测试包，此时运行下面的命令即可

      ./gradlew clean assembleDebug

  • install和uninstall

    install和uninstall可以自动完成应用的安装和卸载，例如生成测试包并安装可以运行下面的命令 ：

      ./gradlew clean assembleDebug installDebug

  • 缓存相关clean 和 cleanBuildCache

    Android 插件的 clean 任务可以清除您的项目的 build/ 目录，与之类似，您可以运行 cleanBuildCache 任务来清除您的项目的构建缓存。

      ./gradlew cleanBuildCache
	
  ./gradlew clean

分析构建耗时

跳过耗时构建

在平时的调试过程中，为了加快项目的构建速度，可以通过添加一些参数来快速跳过一些构建步骤，例如通过lint和lintVitalRelease跳过极其耗时的资源lint过程：

./gradlew clean assembleRelease -x lint -x verifyReleaseResources -x lintVitalRelease

  • 个人常用命令事例

      ./gradlew clean assembleDebug -x lint uninstallDebug installDebug

report

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