Called when the user has clicked on a Preference that has a fragment class name associated with it. The implementation to should instantiate and switch to an instance of the given fragment.
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Last updated 2025-02-10 UTC.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-02-10 UTC."],[],[],null,["# PreferenceFragment.OnPreferenceStartFragmentCallback\n\nAdded in [API level 11](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) \nDeprecated in [API level 28](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels)\n\nOnPreferenceStartFragmentCallback\n=================================\n\n*** ** * ** ***\n\nKotlin \\|[Java](/reference/android/preference/PreferenceFragment.OnPreferenceStartFragmentCallback \"View this page in Java\") \n\n```\ninterface OnPreferenceStartFragmentCallback\n```\n\n|------------------------------------------------------------------------------|\n| [android.preference.PreferenceFragment.OnPreferenceStartFragmentCallback](#) |\n\n|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| Known Direct Subclasses [PreferenceActivity](/reference/kotlin/android/preference/PreferenceActivity) |-------------------------------------------------------------------------------|----------------------------------------------------------------------------------------| | [PreferenceActivity](/reference/kotlin/android/preference/PreferenceActivity) | This is the base class for an activity to show a hierarchy of preferences to the user. | |\n\n*** ** * ** ***\n\n| **This interface was deprecated in API level 28.**\n|\n| Use\n\nInterface that PreferenceFragment's containing activity should implement to be able to process preference items that wish to switch to a new fragment.\n\nSummary\n-------\n\n| Public methods ||\n|---------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| abstract [Boolean](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-boolean/index.html) | [onPreferenceStartFragment](#onPreferenceStartFragment(android.preference.PreferenceFragment,%20android.preference.Preference))`(`caller:` `[PreferenceFragment](/reference/kotlin/android/preference/PreferenceFragment)!`, `pref:` `[Preference](/reference/kotlin/android/preference/Preference)!`)` Called when the user has clicked on a Preference that has a fragment class name associated with it. |\n\nPublic methods\n--------------\n\n### onPreferenceStartFragment\n\nAdded in [API level 11](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) \n\n```\nabstract fun onPreferenceStartFragment(\n caller: PreferenceFragment!, \n pref: Preference!\n): Boolean\n```\n\n**Deprecated:** *Deprecated in Java.*\n\nCalled when the user has clicked on a Preference that has a fragment class name associated with it. The implementation to should instantiate and switch to an instance of the given fragment."]]
