# PreferenceFragmentCompat.OnPreferenceStartFragmentCallback

added in[version 24.1.0](https://developer.android.com/topic/libraries/support-library/revisions)  
belongs to Maven artifact com.android.support:preference-v7:28.0.0-alpha1  

# PreferenceFragmentCompat.OnPreferenceStartFragmentCallback

| This package is part of the Android[support library](https://developer.android.com/topic/libraries/support-library)which is no longer maintained. The support library has been superseded by[AndroidX](https://developer.android.com/jetpack/androidx)which is part of[Jetpack](https://developer.android.com/jetpack). We recommend using the AndroidX libraries in all new projects. You should also consider[migrating](https://developer.android.com/jetpack/androidx/migrate)existing projects to AndroidX. To find the AndroidX class that maps to this deprecated class, see the AndroidX support library[class mappings](https://developer.android.com/jetpack/androidx/migrate/class-mappings).

`
public
static


interface
PreferenceFragmentCompat.OnPreferenceStartFragmentCallback
`  
`


`

|------------------------------------------------------------------------------------------|
| android.support.v7.preference.PreferenceFragmentCompat.OnPreferenceStartFragmentCallback |

<br />

*** ** * ** ***

Interface that PreferenceFragment's containing activity should implement to be able to process preference items that wish to switch to a specified fragment.

## Summary

|                                                                                                                                                                                                                                                                                                                          ### Public methods                                                                                                                                                                                                                                                                                                                          ||
|---------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| ` abstract boolean` | ` `[onPreferenceStartFragment](https://developer.android.com/reference/android/support/v7/preference/PreferenceFragmentCompat.OnPreferenceStartFragmentCallback#onPreferenceStartFragment(android.support.v7.preference.PreferenceFragmentCompat, android.support.v7.preference.Preference))`(`[PreferenceFragmentCompat](https://developer.android.com/reference/android/support/v7/preference/PreferenceFragmentCompat)` caller, `[Preference](https://developer.android.com/reference/android/support/v7/preference/Preference)` pref) ` Called when the user has clicked on a Preference that has a fragment class name associated with it. |

## Public methods

### onPreferenceStartFragment

added in[version 24.1.0](https://developer.android.com/topic/libraries/support-library/revisions)  

```
boolean onPreferenceStartFragment (PreferenceFragmentCompat caller, 
                Preference pref)
```

Called when the user has clicked on a Preference that has a fragment class name associated with it. The implementation should instantiate and switch to an instance of the given fragment.

<br />

|                                    Parameters                                    ||
|----------|------------------------------------------------------------------------|
| `caller` | `PreferenceFragmentCompat`: The fragment requesting navigation. <br /> |
| `pref`   | `Preference`: The preference requesting the fragment. <br />           |

|                             Returns                              ||
|-----------|-------------------------------------------------------|
| `boolean` | true if the fragment creation has been handled <br /> |

-

  ## Interfaces

  - [DialogPreference.TargetFragment](https://developer.android.com/reference/android/support/v7/preference/DialogPreference.TargetFragment)
  - [Preference.OnPreferenceChangeListener](https://developer.android.com/reference/android/support/v7/preference/Preference.OnPreferenceChangeListener)
  - [Preference.OnPreferenceClickListener](https://developer.android.com/reference/android/support/v7/preference/Preference.OnPreferenceClickListener)
  - [PreferenceFragmentCompat.OnPreferenceDisplayDialogCallback](https://developer.android.com/reference/android/support/v7/preference/PreferenceFragmentCompat.OnPreferenceDisplayDialogCallback)
  - [PreferenceFragmentCompat.OnPreferenceStartFragmentCallback](https://developer.android.com/reference/android/support/v7/preference/PreferenceFragmentCompat.OnPreferenceStartFragmentCallback)
  - [PreferenceFragmentCompat.OnPreferenceStartScreenCallback](https://developer.android.com/reference/android/support/v7/preference/PreferenceFragmentCompat.OnPreferenceStartScreenCallback)
  - [PreferenceGroup.PreferencePositionCallback](https://developer.android.com/reference/android/support/v7/preference/PreferenceGroup.PreferencePositionCallback)
  - [PreferenceManager.OnDisplayPreferenceDialogListener](https://developer.android.com/reference/android/support/v7/preference/PreferenceManager.OnDisplayPreferenceDialogListener)
  - [PreferenceManager.OnNavigateToScreenListener](https://developer.android.com/reference/android/support/v7/preference/PreferenceManager.OnNavigateToScreenListener)
  - [PreferenceManager.OnPreferenceTreeClickListener](https://developer.android.com/reference/android/support/v7/preference/PreferenceManager.OnPreferenceTreeClickListener)
-

  ## Classes

  - [CheckBoxPreference](https://developer.android.com/reference/android/support/v7/preference/CheckBoxPreference)
  - [DialogPreference](https://developer.android.com/reference/android/support/v7/preference/DialogPreference)
  - [DropDownPreference](https://developer.android.com/reference/android/support/v7/preference/DropDownPreference)
  - [EditTextPreference](https://developer.android.com/reference/android/support/v7/preference/EditTextPreference)
  - [EditTextPreferenceDialogFragmentCompat](https://developer.android.com/reference/android/support/v7/preference/EditTextPreferenceDialogFragmentCompat)
  - [ListPreference](https://developer.android.com/reference/android/support/v7/preference/ListPreference)
  - [ListPreferenceDialogFragmentCompat](https://developer.android.com/reference/android/support/v7/preference/ListPreferenceDialogFragmentCompat)
  - [MultiSelectListPreferenceDialogFragmentCompat](https://developer.android.com/reference/android/support/v7/preference/MultiSelectListPreferenceDialogFragmentCompat)
  - [Preference](https://developer.android.com/reference/android/support/v7/preference/Preference)
  - [Preference.BaseSavedState](https://developer.android.com/reference/android/support/v7/preference/Preference.BaseSavedState)
  - [PreferenceCategory](https://developer.android.com/reference/android/support/v7/preference/PreferenceCategory)
  - [PreferenceDataStore](https://developer.android.com/reference/android/support/v7/preference/PreferenceDataStore)
  - [PreferenceDialogFragmentCompat](https://developer.android.com/reference/android/support/v7/preference/PreferenceDialogFragmentCompat)
  - [PreferenceFragmentCompat](https://developer.android.com/reference/android/support/v7/preference/PreferenceFragmentCompat)
  - [PreferenceGroup](https://developer.android.com/reference/android/support/v7/preference/PreferenceGroup)
  - [PreferenceManager](https://developer.android.com/reference/android/support/v7/preference/PreferenceManager)
  - [PreferenceManager.PreferenceComparisonCallback](https://developer.android.com/reference/android/support/v7/preference/PreferenceManager.PreferenceComparisonCallback)
  - [PreferenceManager.SimplePreferenceComparisonCallback](https://developer.android.com/reference/android/support/v7/preference/PreferenceManager.SimplePreferenceComparisonCallback)
  - [PreferenceScreen](https://developer.android.com/reference/android/support/v7/preference/PreferenceScreen)
  - [PreferenceViewHolder](https://developer.android.com/reference/android/support/v7/preference/PreferenceViewHolder)
  - [R](https://developer.android.com/reference/android/support/v7/preference/R)
  - [R.anim](https://developer.android.com/reference/android/support/v7/preference/R.anim)
  - [R.attr](https://developer.android.com/reference/android/support/v7/preference/R.attr)
  - [R.bool](https://developer.android.com/reference/android/support/v7/preference/R.bool)
  - [R.color](https://developer.android.com/reference/android/support/v7/preference/R.color)
  - [R.dimen](https://developer.android.com/reference/android/support/v7/preference/R.dimen)
  - [R.drawable](https://developer.android.com/reference/android/support/v7/preference/R.drawable)
  - [R.id](https://developer.android.com/reference/android/support/v7/preference/R.id)
  - [R.integer](https://developer.android.com/reference/android/support/v7/preference/R.integer)
  - [R.layout](https://developer.android.com/reference/android/support/v7/preference/R.layout)
  - [R.string](https://developer.android.com/reference/android/support/v7/preference/R.string)
  - [R.style](https://developer.android.com/reference/android/support/v7/preference/R.style)
  - [R.styleable](https://developer.android.com/reference/android/support/v7/preference/R.styleable)
  - [SeekBarPreference](https://developer.android.com/reference/android/support/v7/preference/SeekBarPreference)
  - [SwitchPreferenceCompat](https://developer.android.com/reference/android/support/v7/preference/SwitchPreferenceCompat)
  - [TwoStatePreference](https://developer.android.com/reference/android/support/v7/preference/TwoStatePreference)