Package icyllis.modernui.fragment

Class FragmentFactory

java.lang.Object

icyllis.modernui.fragment.FragmentFactory

@Experimental
public class FragmentFactory
extends Object

Interface used to control the instantiation of Fragment instances. Implementations can be registered with a FragmentManager via FragmentManager.setFragmentFactory(FragmentFactory).

See Also:

• FragmentManager.setFragmentFactory(FragmentFactory)

Constructor Summary

Constructors

Constructor	Description
FragmentFactory()

Method Summary

Modifier and Type	Method	Description
Fragment	instantiate(Class<? extends Fragment> clazz)	Create a new instance of a Fragment with the given class name.
Fragment	instantiate(ClassLoader classLoader, String className)	Create a new instance of a Fragment with the given class name.
static Class<? extends Fragment>	loadFragmentClass(ClassLoader classLoader, String className)	Parse a Fragment Class from the given class name.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

FragmentFactory

public FragmentFactory()

Method Details

loadFragmentClass

@Nonnull
public static Class<? extends Fragment> loadFragmentClass(@Nonnull
 ClassLoader classLoader,
 @Nonnull
 String className)

Parse a Fragment Class from the given class name. The resulting Class is kept in a global cache, bypassing the Class.forName(String) calls when passed the same class name again.

Parameters:

classLoader - The classloader to use for loading the Class

className - The class name of the fragment to parse.

Returns:

Returns the parsed Fragment Class

Throws:

RuntimeException - If there is a failure in parsing the given fragment class. This is a runtime exception; it is not normally expected to happen.

instantiate

@Nonnull
public Fragment instantiate(@Nonnull
 ClassLoader classLoader,
 @Nonnull
 String className)

Create a new instance of a Fragment with the given class name. This uses loadFragmentClass(ClassLoader, String) and then instantiate(Class).

Parameters:

classLoader - The classloader to use for instantiation

className - The class name of the fragment to instantiate.

Returns:

Returns a new fragment instance.

Throws:

RuntimeException - If there is a failure in instantiating the given fragment class. This is a runtime exception; it is not normally expected to happen.

instantiate

@Nonnull
public Fragment instantiate(@Nonnull
 Class<? extends Fragment> clazz)

Create a new instance of a Fragment with the given class name. This the empty constructor of the resulting Class by default.

Parameters:

clazz - The loaded class of the fragment to instantiate.

Returns:

Returns a new fragment instance.

Throws:

RuntimeException - If there is a failure in instantiating the given fragment class. This is a runtime exception; it is not normally expected to happen.