Added in API level 1

dalvik.system

Interfaces

ZipPathValidator.Callback Interface that defines the core validation mechanism when accessing zip file entry paths. 

Classes

ApplicationRuntime Provides APIs to retrieve the information about the application loaded in the current runtime. 
BaseDexClassLoader Base class for common functionality between various dex-based ClassLoader implementations. 
DelegateLastClassLoader A ClassLoader implementation that implements a delegate last lookup policy. 
DexClassLoader A class loader that loads classes from .jar and .apk files containing a classes.dex entry. 
DexFile Loads DEX files. 
DexFile.OptimizationInfo Encapsulates information about the optimizations performed on a dex file. 
InMemoryDexClassLoader A ClassLoader implementation that loads classes from a buffer containing a DEX file. 
PathClassLoader Provides a simple ClassLoader implementation that operates on a list of files and directories in the local file system, but does not attempt to load classes from the network. 
ZipPathValidator Enables validation of zip file entry paths to prevent exploitation of the path traversal vulnerability, e.g. zip path entries containing ".." or "/".