FragmentFactory
class FragmentFactory
Interface used to control the instantiation of Fragment instances. Implementations can be registered with a FragmentManager via setFragmentFactory.
| See also | |
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setFragmentFactory |
Summary
Public constructors |
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Public functions |
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Fragment |
instantiate(classLoader: ClassLoader, className: String)Create a new instance of a Fragment with the given class name. |
java-static Class<Fragment!> |
loadFragmentClass(classLoader: ClassLoader, className: String)Parse a Fragment Class from the given class name. |
Public constructors
Public functions
instantiate
fun instantiate(classLoader: ClassLoader, className: String): Fragment
Create a new instance of a Fragment with the given class name. This uses loadFragmentClass and the empty constructor of the resulting Class by default.
| Parameters | |
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classLoader: ClassLoader |
The default classloader to use for instantiation |
className: String |
The class name of the fragment to instantiate. |
| Returns | |
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Fragment |
Returns a new fragment instance. |
| Throws | |
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androidx.fragment.app.Fragment.InstantiationException |
If there is a failure in instantiating the given fragment class. This is a runtime exception; it is not normally expected to happen. |
loadFragmentClass
java-static fun loadFragmentClass(classLoader: ClassLoader, className: String): Class<Fragment!>
Parse a Fragment Class from the given class name. The resulting Class is kept in a global cache, bypassing the forName calls when passed the same class name again.
| Parameters | |
|---|---|
classLoader: ClassLoader |
The default classloader to use for loading the Class |
className: String |
The class name of the fragment to parse. |
| Throws | |
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androidx.fragment.app.Fragment.InstantiationException |
If there is a failure in parsing the given fragment class. This is a runtime exception; it is not normally expected to happen. |