Android编译选项user、userdebug和eng的区别

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分类专栏： android源码文章标签： android

于 2013-09-08 12:56:19 首次发布

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本文详细介绍了Android开发中三种常见的Build Types：user、userdebug及eng。这些类型定义了不同的应用场景，如最终用户发布、有限调试及平台级调试，并具体阐述了各类型下模块安装、调试标志设置及adb调试等关键配置。

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BuildType specifies the intended use (security restrictions)

* user

· Intended to be the final release

· Installs modules tagged as user

· Installs non-APK modules that have no tags specified

· Installs APKs according to the product definition files (tags are ignored for APK modules)

· Sets ro.secure=1

· Sets ro.debuggable=0

· adbd is disabled by default (i.e. has to be enabled via Settings ! Applications ! Development ! USB Debugging)

* userdebug - the same as user, except:

· Intended for limited debugging

· Installs modules tagged with debug

· Sets ro.debuggable=1

· adbd is enabled by default

* eng

· Intended for platform-level debugging

· Installs modules tagged with: eng, debug, user, and/or development

· Installs non-APK modules that have no tags specified

· Installs APKs according to the product definition files, in addition to tagged APKs

· Sets ro.secure=1

· Sets ro.debuggable=0

· Sets ro.kernel.android.checkjni=1

· adbd is enabled by default