# AppComponentFactory
# AppComponentFactory
Artifact:[androidx.core:core](https://developer.android.com/jetpack/androidx/releases/core)
[View Source](https://cs.android.com/search?q=file:androidx/core/app/AppComponentFactory.java+class:androidx.core.app.AppComponentFactory)
Added in[1.1.0](https://developer.android.com/jetpack/androidx/releases/core#1.1.0)
*** ** * ** ***
Kotlin\|[Java](https://developer.android.com/reference/androidx/core/app/AppComponentFactory "View this page in Java")
```
@RequiresApi(value = 28)
class AppComponentFactory : AppComponentFactory
```
|---|---|-------------------------------------------------------------------------------------------------------------------------------|
| [kotlin.Any](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-any/index.html) |||
| ↳ | [android.app.AppComponentFactory](https://developer.android.com/reference/android/app/AppComponentFactory.html) ||
| | ↳ | [androidx.core.app.AppComponentFactory](https://developer.android.com/reference/kotlin/androidx/core/app/AppComponentFactory) |
*** ** * ** ***
Version of[android.app.AppComponentFactory](https://developer.android.com/reference/android/app/AppComponentFactory.html)that works with androidx libraries. Note: This will only work on API 28+ and does not backport AppComponentFactory functionality.
## Summary
| ### Public constructors |
|---------------------------------------------------------------------------------------------------------------------------------------|
| [AppComponentFactory](https://developer.android.com/reference/kotlin/androidx/core/app/AppComponentFactory#AppComponentFactory())`()` |
| ### Public functions |
|-----------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| [Activity](https://developer.android.com/reference/android/app/Activity.html) | [instantiateActivity](https://developer.android.com/reference/kotlin/androidx/core/app/AppComponentFactory#instantiateActivity(java.lang.ClassLoader,java.lang.String,android.content.Intent))`(cl: `[ClassLoader](https://developer.android.com/reference/java/lang/ClassLoader.html)`, className: `[String](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html)`, intent: `[Intent](https://developer.android.com/reference/android/content/Intent.html)`?)` |
| [Activity](https://developer.android.com/reference/android/app/Activity.html) | [instantiateActivityCompat](https://developer.android.com/reference/kotlin/androidx/core/app/AppComponentFactory#instantiateActivityCompat(java.lang.ClassLoader,java.lang.String,android.content.Intent))`(` ` cl: `[ClassLoader](https://developer.android.com/reference/java/lang/ClassLoader.html)`,` ` className: `[String](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html)`,` ` intent: `[Intent](https://developer.android.com/reference/android/content/Intent.html)`?` `)` Allows application to override the creation of activities. |
| [Application](https://developer.android.com/reference/android/app/Application.html) | [instantiateApplication](https://developer.android.com/reference/kotlin/androidx/core/app/AppComponentFactory#instantiateApplication(java.lang.ClassLoader,java.lang.String))`(cl: `[ClassLoader](https://developer.android.com/reference/java/lang/ClassLoader.html)`, className: `[String](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html)`)` |
| [Application](https://developer.android.com/reference/android/app/Application.html) | [instantiateApplicationCompat](https://developer.android.com/reference/kotlin/androidx/core/app/AppComponentFactory#instantiateApplicationCompat(java.lang.ClassLoader,java.lang.String))`(cl: `[ClassLoader](https://developer.android.com/reference/java/lang/ClassLoader.html)`, className: `[String](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html)`)` Allows application to override the creation of the application object. |
| [ContentProvider](https://developer.android.com/reference/android/content/ContentProvider.html) | [instantiateProvider](https://developer.android.com/reference/kotlin/androidx/core/app/AppComponentFactory#instantiateProvider(java.lang.ClassLoader,java.lang.String))`(cl: `[ClassLoader](https://developer.android.com/reference/java/lang/ClassLoader.html)`, className: `[String](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html)`)` |
| [ContentProvider](https://developer.android.com/reference/android/content/ContentProvider.html) | [instantiateProviderCompat](https://developer.android.com/reference/kotlin/androidx/core/app/AppComponentFactory#instantiateProviderCompat(java.lang.ClassLoader,java.lang.String))`(cl: `[ClassLoader](https://developer.android.com/reference/java/lang/ClassLoader.html)`, className: `[String](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html)`)` Allows application to override the creation of providers. |
| [BroadcastReceiver](https://developer.android.com/reference/android/content/BroadcastReceiver.html) | [instantiateReceiver](https://developer.android.com/reference/kotlin/androidx/core/app/AppComponentFactory#instantiateReceiver(java.lang.ClassLoader,java.lang.String,android.content.Intent))`(cl: `[ClassLoader](https://developer.android.com/reference/java/lang/ClassLoader.html)`, className: `[String](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html)`, intent: `[Intent](https://developer.android.com/reference/android/content/Intent.html)`?)` |
| [BroadcastReceiver](https://developer.android.com/reference/android/content/BroadcastReceiver.html) | [instantiateReceiverCompat](https://developer.android.com/reference/kotlin/androidx/core/app/AppComponentFactory#instantiateReceiverCompat(java.lang.ClassLoader,java.lang.String,android.content.Intent))`(` ` cl: `[ClassLoader](https://developer.android.com/reference/java/lang/ClassLoader.html)`,` ` className: `[String](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html)`,` ` intent: `[Intent](https://developer.android.com/reference/android/content/Intent.html)`?` `)` Allows application to override the creation of receivers. |
| [Service](https://developer.android.com/reference/android/app/Service.html) | [instantiateService](https://developer.android.com/reference/kotlin/androidx/core/app/AppComponentFactory#instantiateService(java.lang.ClassLoader,java.lang.String,android.content.Intent))`(cl: `[ClassLoader](https://developer.android.com/reference/java/lang/ClassLoader.html)`, className: `[String](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html)`, intent: `[Intent](https://developer.android.com/reference/android/content/Intent.html)`?)` |
| [Service](https://developer.android.com/reference/android/app/Service.html) | [instantiateServiceCompat](https://developer.android.com/reference/kotlin/androidx/core/app/AppComponentFactory#instantiateServiceCompat(java.lang.ClassLoader,java.lang.String,android.content.Intent))`(` ` cl: `[ClassLoader](https://developer.android.com/reference/java/lang/ClassLoader.html)`,` ` className: `[String](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html)`,` ` intent: `[Intent](https://developer.android.com/reference/android/content/Intent.html)`?` `)` Allows application to override the creation of services. |
| ### Inherited functions |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| From[android.app.AppComponentFactory](https://developer.android.com/reference/android/app/AppComponentFactory.html) |--------------------------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | [ClassLoader](https://developer.android.com/reference/java/lang/ClassLoader.html)`!` | [instantiateClassLoader](https://developer.android.com/reference/android/app/AppComponentFactory.html#instantiateClassLoader(java.lang.ClassLoader, android.content.pm.ApplicationInfo))`(cl: `[ClassLoader](https://developer.android.com/reference/java/lang/ClassLoader.html)`!, aInfo: `[ApplicationInfo](https://developer.android.com/reference/android/content/pm/ApplicationInfo.html)`!)` | |
## Public constructors
### AppComponentFactory
Added in 1.1.0
```
AppComponentFactory()
```
## Public functions
### instantiateActivity
Added in[1.1.0](https://developer.android.com/jetpack/androidx/releases/core#1.1.0)
```
fun instantiateActivity(cl: ClassLoader, className: String, intent: Intent?): Activity
```
| Throws |
|-------------------------------------------------------------------------------------------------------------------|---|
| [java.lang.InstantiationException](https://developer.android.com/reference/java/lang/InstantiationException.html) | |
| [java.lang.IllegalAccessException](https://developer.android.com/reference/java/lang/IllegalAccessException.html) | |
| [java.lang.ClassNotFoundException](https://developer.android.com/reference/java/lang/ClassNotFoundException.html) | |
| See also |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---|
| [instantiateActivityCompat](https://developer.android.com/reference/kotlin/androidx/core/app/AppComponentFactory#instantiateActivityCompat(java.lang.ClassLoader,java.lang.String,android.content.Intent)) | |
### instantiateActivityCompat
Added in[1.1.0](https://developer.android.com/jetpack/androidx/releases/core#1.1.0)
```
fun instantiateActivityCompat(
cl: ClassLoader,
className: String,
intent: Intent?
): Activity
```
Allows application to override the creation of activities. This can be used to perform things such as dependency injection or class loader changes to these classes.
This method is only intended to provide a hook for instantiation. It does not provide earlier access to the Activity object. The returned object will not be initialized as a Context yet and should not be used to interact with other android APIs.
| Parameters |
|------------------------------------------------------------------------------------------------|---------------------------------------------------|
| `cl: `[ClassLoader](https://developer.android.com/reference/java/lang/ClassLoader.html) | The default classloader to use for instantiation. |
| `className: `[String](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html) | The class to be instantiated. |
| `intent: `[Intent](https://developer.android.com/reference/android/content/Intent.html)`?` | Intent creating the class. |
| Throws |
|-------------------------------------------------------------------------------------------------------------------|---|
| [java.lang.InstantiationException](https://developer.android.com/reference/java/lang/InstantiationException.html) | |
| [java.lang.IllegalAccessException](https://developer.android.com/reference/java/lang/IllegalAccessException.html) | |
| [java.lang.ClassNotFoundException](https://developer.android.com/reference/java/lang/ClassNotFoundException.html) | |
### instantiateApplication
Added in[1.1.0](https://developer.android.com/jetpack/androidx/releases/core#1.1.0)
```
fun instantiateApplication(cl: ClassLoader, className: String): Application
```
| Throws |
|-------------------------------------------------------------------------------------------------------------------|---|
| [java.lang.InstantiationException](https://developer.android.com/reference/java/lang/InstantiationException.html) | |
| [java.lang.IllegalAccessException](https://developer.android.com/reference/java/lang/IllegalAccessException.html) | |
| [java.lang.ClassNotFoundException](https://developer.android.com/reference/java/lang/ClassNotFoundException.html) | |
| See also |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---|
| [instantiateApplicationCompat](https://developer.android.com/reference/kotlin/androidx/core/app/AppComponentFactory#instantiateApplicationCompat(java.lang.ClassLoader,java.lang.String)) | |
### instantiateApplicationCompat
Added in[1.1.0](https://developer.android.com/jetpack/androidx/releases/core#1.1.0)
```
fun instantiateApplicationCompat(cl: ClassLoader, className: String): Application
```
Allows application to override the creation of the application object. This can be used to perform things such as dependency injection or class loader changes to these classes.
This method is only intended to provide a hook for instantiation. It does not provide earlier access to the Application object. The returned object will not be initialized as a Context yet and should not be used to interact with other android APIs.
| Parameters |
|------------------------------------------------------------------------------------------------|---------------------------------------------------|
| `cl: `[ClassLoader](https://developer.android.com/reference/java/lang/ClassLoader.html) | The default classloader to use for instantiation. |
| `className: `[String](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html) | The class to be instantiated. |
| Throws |
|-------------------------------------------------------------------------------------------------------------------|---|
| [java.lang.InstantiationException](https://developer.android.com/reference/java/lang/InstantiationException.html) | |
| [java.lang.IllegalAccessException](https://developer.android.com/reference/java/lang/IllegalAccessException.html) | |
| [java.lang.ClassNotFoundException](https://developer.android.com/reference/java/lang/ClassNotFoundException.html) | |
### instantiateProvider
Added in[1.1.0](https://developer.android.com/jetpack/androidx/releases/core#1.1.0)
```
fun instantiateProvider(cl: ClassLoader, className: String): ContentProvider
```
| Throws |
|-------------------------------------------------------------------------------------------------------------------|---|
| [java.lang.InstantiationException](https://developer.android.com/reference/java/lang/InstantiationException.html) | |
| [java.lang.IllegalAccessException](https://developer.android.com/reference/java/lang/IllegalAccessException.html) | |
| [java.lang.ClassNotFoundException](https://developer.android.com/reference/java/lang/ClassNotFoundException.html) | |
| See also |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---|
| [instantiateProviderCompat](https://developer.android.com/reference/kotlin/androidx/core/app/AppComponentFactory#instantiateProviderCompat(java.lang.ClassLoader,java.lang.String)) | |
### instantiateProviderCompat
Added in[1.1.0](https://developer.android.com/jetpack/androidx/releases/core#1.1.0)
```
fun instantiateProviderCompat(cl: ClassLoader, className: String): ContentProvider
```
Allows application to override the creation of providers. This can be used to perform things such as dependency injection or class loader changes to these classes.
This method is only intended to provide a hook for instantiation. It does not provide earlier access to the ContentProvider object. The returned object will not be initialized with a Context yet and should not be used to interact with other android APIs.
| Parameters |
|------------------------------------------------------------------------------------------------|---------------------------------------------------|
| `cl: `[ClassLoader](https://developer.android.com/reference/java/lang/ClassLoader.html) | The default classloader to use for instantiation. |
| `className: `[String](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html) | The class to be instantiated. |
| Throws |
|-------------------------------------------------------------------------------------------------------------------|---|
| [java.lang.InstantiationException](https://developer.android.com/reference/java/lang/InstantiationException.html) | |
| [java.lang.IllegalAccessException](https://developer.android.com/reference/java/lang/IllegalAccessException.html) | |
| [java.lang.ClassNotFoundException](https://developer.android.com/reference/java/lang/ClassNotFoundException.html) | |
### instantiateReceiver
Added in[1.1.0](https://developer.android.com/jetpack/androidx/releases/core#1.1.0)
```
fun instantiateReceiver(cl: ClassLoader, className: String, intent: Intent?): BroadcastReceiver
```
| Throws |
|-------------------------------------------------------------------------------------------------------------------|---|
| [java.lang.InstantiationException](https://developer.android.com/reference/java/lang/InstantiationException.html) | |
| [java.lang.IllegalAccessException](https://developer.android.com/reference/java/lang/IllegalAccessException.html) | |
| [java.lang.ClassNotFoundException](https://developer.android.com/reference/java/lang/ClassNotFoundException.html) | |
| See also |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---|
| [instantiateReceiverCompat](https://developer.android.com/reference/kotlin/androidx/core/app/AppComponentFactory#instantiateReceiverCompat(java.lang.ClassLoader,java.lang.String,android.content.Intent)) | |
### instantiateReceiverCompat
Added in[1.1.0](https://developer.android.com/jetpack/androidx/releases/core#1.1.0)
```
fun instantiateReceiverCompat(
cl: ClassLoader,
className: String,
intent: Intent?
): BroadcastReceiver
```
Allows application to override the creation of receivers. This can be used to perform things such as dependency injection or class loader changes to these classes.
| Parameters |
|------------------------------------------------------------------------------------------------|---------------------------------------------------|
| `cl: `[ClassLoader](https://developer.android.com/reference/java/lang/ClassLoader.html) | The default classloader to use for instantiation. |
| `className: `[String](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html) | The class to be instantiated. |
| `intent: `[Intent](https://developer.android.com/reference/android/content/Intent.html)`?` | Intent creating the class. |
| Throws |
|-------------------------------------------------------------------------------------------------------------------|---|
| [java.lang.InstantiationException](https://developer.android.com/reference/java/lang/InstantiationException.html) | |
| [java.lang.IllegalAccessException](https://developer.android.com/reference/java/lang/IllegalAccessException.html) | |
| [java.lang.ClassNotFoundException](https://developer.android.com/reference/java/lang/ClassNotFoundException.html) | |
### instantiateService
Added in[1.1.0](https://developer.android.com/jetpack/androidx/releases/core#1.1.0)
```
fun instantiateService(cl: ClassLoader, className: String, intent: Intent?): Service
```
| Throws |
|-------------------------------------------------------------------------------------------------------------------|---|
| [java.lang.InstantiationException](https://developer.android.com/reference/java/lang/InstantiationException.html) | |
| [java.lang.IllegalAccessException](https://developer.android.com/reference/java/lang/IllegalAccessException.html) | |
| [java.lang.ClassNotFoundException](https://developer.android.com/reference/java/lang/ClassNotFoundException.html) | |
| See also |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---|
| [instantiateServiceCompat](https://developer.android.com/reference/kotlin/androidx/core/app/AppComponentFactory#instantiateServiceCompat(java.lang.ClassLoader,java.lang.String,android.content.Intent)) | |
### instantiateServiceCompat
Added in[1.1.0](https://developer.android.com/jetpack/androidx/releases/core#1.1.0)
```
fun instantiateServiceCompat(
cl: ClassLoader,
className: String,
intent: Intent?
): Service
```
Allows application to override the creation of services. This can be used to perform things such as dependency injection or class loader changes to these classes.
This method is only intended to provide a hook for instantiation. It does not provide earlier access to the Service object. The returned object will not be initialized as a Context yet and should not be used to interact with other android APIs.
| Parameters |
|------------------------------------------------------------------------------------------------|---------------------------------------------------|
| `cl: `[ClassLoader](https://developer.android.com/reference/java/lang/ClassLoader.html) | The default classloader to use for instantiation. |
| `className: `[String](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html) | The class to be instantiated. |
| `intent: `[Intent](https://developer.android.com/reference/android/content/Intent.html)`?` | Intent creating the class. |
| Throws |
|-------------------------------------------------------------------------------------------------------------------|---|
| [java.lang.InstantiationException](https://developer.android.com/reference/java/lang/InstantiationException.html) | |
| [java.lang.IllegalAccessException](https://developer.android.com/reference/java/lang/IllegalAccessException.html) | |
| [java.lang.ClassNotFoundException](https://developer.android.com/reference/java/lang/ClassNotFoundException.html) | |