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Summary: Ctors | Inherited Methods

DexClassLoader

public class DexClassLoader
extends BaseDexClassLoader

java.lang.Object
↳	java.lang.ClassLoader
	↳	dalvik.system.BaseDexClassLoader
		↳	dalvik.system.DexClassLoader

A class loader that loads classes from .jar and .apk files containing a classes.dex entry. This can be used to execute code not installed as part of an application.

Prior to API level 26, this class loader requires an application-private, writable directory to cache optimized classes. Use Context.getCodeCacheDir() to create such a directory:

   File dexOutputDir = context.getCodeCacheDir();

Do not cache optimized classes on external storage. External storage does not provide access controls necessary to protect your application from code injection attacks.

Summary

Public constructors
`DexClassLoader(String dexPath, String optimizedDirectory, String librarySearchPath, ClassLoader parent)` Creates a `DexClassLoader` that finds interpreted and native code.

Inherited methods

From class


        
          dalvik.system.BaseDexClassLoader

`Class<?>`	`findClass(String name)` Finds the class with the specified binary name.
`String`	`findLibrary(String name)` Returns the absolute path name of a native library.
`URL`	`findResource(String name)` Finds the resource with the given name.
`Enumeration<URL>`	`findResources(String name)` Returns an enumeration of `URL` objects representing all the resources with the given name.
`Package`	`getPackage(String name)` Returns package information for the given package.
`String`	`toString()` Returns a string representation of the object.

From class


        
          java.lang.ClassLoader

`void`	`clearAssertionStatus()` Sets the default assertion status for this class loader to `false` and discards any package defaults or class assertion status settings associated with the class loader.
`final Class<?>`	`defineClass(String name, byte[] b, int off, int len, ProtectionDomain protectionDomain)` Converts an array of bytes into an instance of class `Class`, with an optional `ProtectionDomain`.
`final Class<?>`	`defineClass(String name, ByteBuffer b, ProtectionDomain protectionDomain)` Converts a `ByteBuffer` into an instance of class `Class`, with an optional `ProtectionDomain`.
`final Class<?>`	`defineClass(byte[] b, int off, int len)` This method is deprecated. Replaced by `defineClass(String, byte[], int, int)`
`final Class<?>`	`defineClass(String name, byte[] b, int off, int len)` Converts an array of bytes into an instance of class `Class`.
`Package`	`definePackage(String name, String specTitle, String specVersion, String specVendor, String implTitle, String implVersion, String implVendor, URL sealBase)` Defines a package by name in this `ClassLoader`.
`Class<?>`	`findClass(String name)` Finds the class with the specified binary name.
`String`	`findLibrary(String libname)` Returns the absolute path name of a native library.
`final Class<?>`	`findLoadedClass(String name)` Returns the class with the given binary name if this loader has been recorded by the Java virtual machine as an initiating loader of a class with that binary name.
`URL`	`findResource(String name)` Finds the resource with the given name.
`Enumeration<URL>`	`findResources(String name)` Returns an enumeration of `URL` objects representing all the resources with the given name.
`final Class<?>`	`findSystemClass(String name)` Finds a class with the specified binary name, loading it if necessary.
`Package`	`getPackage(String name)` Returns a `Package` that has been defined by this class loader or any of its ancestors.
`Package[]`	`getPackages()` Returns all of the `Packages` defined by this class loader and its ancestors.
`final ClassLoader`	`getParent()` Returns the parent class loader for delegation.
`URL`	`getResource(String name)` Finds the resource with the given name.
`InputStream`	`getResourceAsStream(String name)` Returns an input stream for reading the specified resource.
`Enumeration<URL>`	`getResources(String name)` Finds all the resources with the given name.
`static ClassLoader`	`getSystemClassLoader()` Returns the system class loader for delegation.
`static URL`	`getSystemResource(String name)` Find a resource of the specified name from the search path used to load classes.
`static InputStream`	`getSystemResourceAsStream(String name)` Open for reading, a resource of the specified name from the search path used to load classes.
`static Enumeration<URL>`	`getSystemResources(String name)` Finds all resources of the specified name from the search path used to load classes.
`Class<?>`	`loadClass(String name, boolean resolve)` Loads the class with the specified binary name.
`Class<?>`	`loadClass(String name)` Loads the class with the specified binary name.
`static boolean`	`registerAsParallelCapable()` Registers the caller as parallel capable.
`final void`	`resolveClass(Class<?> c)` Links the specified class.
`void`	`setClassAssertionStatus(String className, boolean enabled)` Sets the desired assertion status for the named top-level class in this class loader and any nested classes contained therein.
`void`	`setDefaultAssertionStatus(boolean enabled)` Sets the default assertion status for this class loader.
`void`	`setPackageAssertionStatus(String packageName, boolean enabled)` Sets the package default assertion status for the named package.
`final void`	`setSigners(Class<?> c, Object[] signers)` Sets the signers of a class.

From class


        
          java.lang.Object

`Object`	`clone()` Creates and returns a copy of this object.
`boolean`	`equals(Object obj)` Indicates whether some other object is "equal to" this one.
`void`	`finalize()` Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.
`final Class<?>`	`getClass()` Returns the runtime class of this `Object`.
`int`	`hashCode()` Returns a hash code value for the object.
`final void`	`notify()` Wakes up a single thread that is waiting on this object's monitor.
`final void`	`notifyAll()` Wakes up all threads that are waiting on this object's monitor.
`String`	`toString()` Returns a string representation of the object.
`final void`	`wait(long timeout, int nanos)` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object, or some other thread interrupts the current thread, or a certain amount of real time has elapsed.
`final void`	`wait(long timeout)` Causes the current thread to wait until either another thread invokes the `notify()` method or the `notifyAll()` method for this object, or a specified amount of time has elapsed.
`final void`	`wait()` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object.

Public constructors

DexClassLoader

public DexClassLoader (String dexPath, 
                String optimizedDirectory, 
                String librarySearchPath, 
                ClassLoader parent)

Creates a DexClassLoader that finds interpreted and native code. Interpreted classes are found in a set of DEX files contained in Jar or APK files.

The path lists are separated using the character specified by the path.separator system property, which defaults to :.

Parameters
`dexPath`	`String`: the list of jar/apk files containing classes and resources, delimited by `File.pathSeparator`, which defaults to `":"` on Android
`optimizedDirectory`	`String`: this parameter is deprecated and has no effect since API level 26.
`librarySearchPath`	`String`: the list of directories containing native libraries, delimited by `File.pathSeparator`; may be `null`
`parent`	`ClassLoader`: the parent class loader