# DialogPreference.TargetFragment

# DialogPreference.TargetFragment

Artifact:[androidx.preference:preference](https://developer.android.com/jetpack/androidx/releases/preference)  
[View Source](https://cs.android.com/search?q=file:androidx/preference/DialogPreference.java+class:androidx.preference.DialogPreference.TargetFragment)  
Added in[1.0.0](https://developer.android.com/jetpack/androidx/releases/preference#1.0.0)

*** ** * ** ***

Kotlin\|[Java](https://developer.android.com/reference/androidx/preference/DialogPreference.TargetFragment "View this page in Java")

<br />

```
interface DialogPreference.TargetFragment
```

<br />

Known direct subclasses  
[PreferenceFragmentCompat](https://developer.android.com/reference/kotlin/androidx/preference/PreferenceFragmentCompat),[PreferenceFragment](https://developer.android.com/reference/kotlin/androidx/preference/PreferenceFragment)  

|-------------------------------------------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| [PreferenceFragmentCompat](https://developer.android.com/reference/kotlin/androidx/preference/PreferenceFragmentCompat) | A PreferenceFragmentCompat is the entry point to using the Preference library.                                                                                         |
| [PreferenceFragment](https://developer.android.com/reference/kotlin/androidx/preference/PreferenceFragment)             | **This class is deprecated.** Use[PreferenceFragmentCompat](https://developer.android.com/reference/kotlin/androidx/preference/PreferenceFragmentCompat)instead <br /> |

Known indirect subclasses  
[BaseLeanbackPreferenceFragmentCompat](https://developer.android.com/reference/kotlin/androidx/leanback/preference/BaseLeanbackPreferenceFragmentCompat),[BaseLeanbackPreferenceFragment](https://developer.android.com/reference/kotlin/androidx/leanback/preference/BaseLeanbackPreferenceFragment),[LeanbackPreferenceFragmentCompat](https://developer.android.com/reference/kotlin/androidx/leanback/preference/LeanbackPreferenceFragmentCompat),[LeanbackPreferenceFragment](https://developer.android.com/reference/kotlin/androidx/leanback/preference/LeanbackPreferenceFragment)  

|----------------------------------------------------------------------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| [BaseLeanbackPreferenceFragmentCompat](https://developer.android.com/reference/kotlin/androidx/leanback/preference/BaseLeanbackPreferenceFragmentCompat) | This fragment provides a preference fragment with leanback-style behavior, suitable for embedding into broader UI elements.                                                                      |
| [BaseLeanbackPreferenceFragment](https://developer.android.com/reference/kotlin/androidx/leanback/preference/BaseLeanbackPreferenceFragment)             | **This class is deprecated.** Use[BaseLeanbackPreferenceFragmentCompat](https://developer.android.com/reference/kotlin/androidx/leanback/preference/BaseLeanbackPreferenceFragmentCompat) <br /> |
| [LeanbackPreferenceFragmentCompat](https://developer.android.com/reference/kotlin/androidx/leanback/preference/LeanbackPreferenceFragmentCompat)         | This fragment provides a fully decorated leanback-style preference fragment, including a list background and header.                                                                             |
| [LeanbackPreferenceFragment](https://developer.android.com/reference/kotlin/androidx/leanback/preference/LeanbackPreferenceFragment)                     | **This class is deprecated.** Use[LeanbackPreferenceFragmentCompat](https://developer.android.com/reference/kotlin/androidx/leanback/preference/LeanbackPreferenceFragmentCompat) <br />         |

*** ** * ** ***

Interface for[PreferenceFragmentCompat](https://developer.android.com/reference/kotlin/androidx/preference/PreferenceFragmentCompat)s to implement to allow[DialogPreference](https://developer.android.com/reference/kotlin/androidx/preference/DialogPreference)s to find the preference that launched the dialog.

## Summary

| ### Public functions |
|----------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| `T?`                 | `<T : `[Preference](https://developer.android.com/reference/kotlin/androidx/preference/Preference)`?> `[findPreference](https://developer.android.com/reference/kotlin/androidx/preference/DialogPreference.TargetFragment#findPreference(java.lang.CharSequence))`(key: `[CharSequence](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-char-sequence/index.html)`)` Finds a[Preference](https://developer.android.com/reference/kotlin/androidx/preference/Preference)with the given key. |

## Public functions

### findPreference

Added in[1.1.0](https://developer.android.com/jetpack/androidx/releases/preference#1.1.0)  

```
fun <T : Preference?> findPreference(key: CharSequence): T?
```

Finds a[Preference](https://developer.android.com/reference/kotlin/androidx/preference/Preference)with the given key. Returns`null`if no[Preference](https://developer.android.com/reference/kotlin/androidx/preference/Preference)could be found with the given key.  

|                                              Parameters                                               |
|-------------------------------------------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------|
| `key: `[CharSequence](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-char-sequence/index.html) | The key of the[Preference](https://developer.android.com/reference/kotlin/androidx/preference/Preference)to retrieve |

| Returns |
|---------|----------------------------------------------------------------------------------------------------------------------|
| `T?`    | The[Preference](https://developer.android.com/reference/kotlin/androidx/preference/Preference)with the key, or`null` |

|                                                                  See also                                                                   |
|---------------------------------------------------------------------------------------------------------------------------------------------|---|
| [findPreference](https://developer.android.com/reference/kotlin/androidx/preference/PreferenceGroup#findPreference(java.lang.CharSequence)) |   |