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Commit 5ddeabd3 authored by Jacky Wang's avatar Jacky Wang
Browse files

[Catalyst] Add PreferenceLifecycleContext.getKeyValueStore 

The API allows to reuse existing KeyValueStore attached to the given
preference.

Bug: 332201912
Flag: EXEMPT library
Test: N/A
Change-Id: I14e1a2d26591163d0369a200b46fb7f017b51bb0
parent bfb0a089

packages/SettingsLib/Metadata/src/com/android/settingslib/metadata/PreferenceStateProviders.kt

+4 −0
Original line number Diff line number Diff line
@@ -21,6 +21,7 @@ import android.content.ContextWrapper 
import android.content.Intent

import android.os.Bundle

import androidx.lifecycle.LifecycleCoroutineScope

import com.android.settingslib.datastore.KeyValueStore

import kotlinx.coroutines.CoroutineScope



/**
@@ -157,6 +158,9 @@ abstract class PreferenceLifecycleContext(context: Context) : ContextWrapper(con 
     */

    abstract fun <T : Any> requirePreference(key: String): T



    /** Returns the [KeyValueStore] attached to the preference of given key *on the same screen*. */

    abstract fun getKeyValueStore(key: String): KeyValueStore?



    /** Notifies that preference state of given key is changed and updates preference widget UI. */

    abstract fun notifyPreferenceChange(key: String)

packages/SettingsLib/Preference/src/com/android/settingslib/preference/PreferenceScreenBindingHelper.kt

+5 −0
Original line number Diff line number Diff line
@@ -67,6 +67,11 @@ class PreferenceScreenBindingHelper( 


            override fun <T : Any> requirePreference(key: String) = findPreference<T>(key)!!



            override fun getKeyValueStore(key: String) =

                (findPreference<Preference>(key)?.preferenceDataStore

                        as? PreferenceDataStoreAdapter)

                    ?.keyValueStore



            override fun notifyPreferenceChange(key: String) =

                notifyChange(key, CHANGE_REASON_STATE)