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What does aapt2 do in android gradle plugin?


Asked by Zora Warner on Nov 29, 2021 Gradle



AAPT2 parses, indexes, and compiles the resources into a binary format that is optimized for the Android platform. Android Gradle Plugin 3.0.0 and higher enable AAPT2 by default, and you typically won't need to invoke aapt2 yourself.
Consequently,
AAPT2 (Android Asset Packaging Tool) is a build tool that Android Studio and Android Gradle Plugin use to compile and package your app’s resources. AAPT2 parses, indexes, and compiles the resources into a binary format that is optimized for the Android platform.
In this manner, The issue with platformBuildVersionName missing has been fixed recently in AAPT2. AAPT2 it is now released it in GMaven for faster releases (so you need to have the google () dependency in your build.gradle file), so please try with android gradle plugin 3.2.0 alpha16 or newer which may already contain it.
Accordingly,
The files AAPT2 outputs are not executables and you must later include these binary files as input in the link phase to generate an APK. However, the generated APK file is not an executable that you can deploy on an Android device right away, as it does not contain DEX files (compiled bytecode) and is not signed.
Also Know,
On Windows, run the aapt2.exe command. AAPT2 supports faster compilation of resources by enabling incremental compilation. This is accomplished by breaking resource processing into two steps: Compile: compiles resource files into binary formats. Link: merges all compiled files and packages them to a single package.