libsmali-java

libsmali-java is a Java library package containing the core components for smali and baksmali tools. These tools are essential for working with Android's dex (Dalvik Executable) format, enabling developers and security researchers to disassemble and reassemble Android application bytecode.

The package supports the complete feature set of the dex format, including annotations, debug information, and line numbers. This makes it valuable for reverse engineering Android APKs, modifying application behavior, or analyzing malware.

Use cases include deodexing odex/oat files, disassembling dex files for code inspection, and assembling smali code back into dex files for repackaging modified APKs.

smali/baksmali operates on Android's dex format using syntax based on Jasmin/dedexer. baksmali disassembles dex bytecode into human-readable smali assembly code, preserving annotations, debug info, and line information. smali performs the reverse, assembling smali files back into dex bytecode. The tools leverage ANTLR3 for parsing and support full dex specification features.