android 编译单个模块

android中的一个应用程序可以单独编译,编译后要重新生成system.img 在源码目录下执行

  . build/envsetup.sh (.后面有空格) 就多出一些命令:

  - croot: Changes directory to the top of the tree.

  - m: Makes from the top of the tree.

  - mm: Builds all of the modules in the current directory.

  - mmm: Builds all of the modules in the supplied directories.

  - cgrep: Greps on all local C/C++ files.

  - jgrep: Greps on all local Java files.

  - resgrep: Greps on all local res/*.xml files.

  - godir: Go to the directory containing a file.

可以加—help查看用法 我们可以使用mmm来编译指定目录的模块,如编译联系人:

  # mmm packages/apps/Contacts/ or # make Contacts 编完之后生成两个文件:

  out/target/product/generic/data/app/ContactsTests.apk

  out/target/product/generic/system/app/ Contacts.apk 可以使用"make snod"重新生成system.img 再运行模拟器

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