Android Build System

lunch

The lunch command is used to configure the build environment for a specific target device or product variant, enabling developers to compile and build the Android OS for that device.

It sets up the build environment with the necessary parameters for the chosen configuration, making it a convenient way to prepare the build system before compilation.

croot

The croot command is used to change the current directory to the top of the Android source tree.

m

The m command is used to build the Android source code.

It makes from top of the source tree.

mm

Builds all of the modules in the current directory, and but not their dependencies.

Inside the module directory (For example, packages/apps/Calendar/), run:

This only builds the module. It does not generate the final image.

Final image is generated by m command.

mma

Builds all of the modules in the current directory, and their dependencies.

mmm

Builds all of the modules in the supplied directories, and but not their dependencies.

Inside the directory (For example, packages/apps/), run:

This only builds the module. It does not generate the final image.

mmma

Builds all of the modules in the supplied directories, and their dependencies.

grep

The grep command is a Linux command that searches for text and strings in a file.

It's short for global regular expression print.

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

• ggrep: Greps on all local Gradle files.

• jgrep: Greps on all local Java files.

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

• mangrep: Greps on all local AndroidManifest.xml files.

• mgrep: Greps on all local Makefiles files.

• sepgrep: Greps on all local sepolicy files.

• sgrep: Greps on all local source files.

modules

• godir: Go to the directory containing a file.

• allmod: List all modules.

• gomod: Go to the directory containing a module.

• pathmod: Get the directory containing a module.

• refreshmod: Refresh list of modules for allmod/gomod.