[Catalyst] Clean up SharedPreferencesObservable

Bug: 378795106
Flag: EXEMPT clean up
Test: N/A
Change-Id: Iaac9f819da5e2286b170920b664157c13124d6a3

1 files changed, 0 insertions, 45 deletions

diff --git a/packages/SettingsLib/DataStore/src/com/android/settingslib/datastore/SharedPreferencesObservable.kt b/packages/SettingsLib/DataStore/src/com/android/settingslib/datastore/SharedPreferencesObservable.kt
deleted file mode 100644
index e70ec5b2e38e..000000000000
--- a/packages/SettingsLib/DataStore/src/com/android/settingslib/datastore/SharedPreferencesObservable.kt
+++ /dev/null
@@ -1,45 +0,0 @@
-/*
- * Copyright (C) 2024 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.settingslib.datastore
-
-import android.content.SharedPreferences
-
-/** [SharedPreferences] based [KeyedDataObservable]. */
-class SharedPreferencesObservable(private val sharedPreferences: SharedPreferences) :
-    KeyedDataObservable<String>(), AutoCloseable {
-
-    private val listener = createSharedPreferenceListener()
-
-    init {
-        sharedPreferences.registerOnSharedPreferenceChangeListener(listener)
-    }
-
-    override fun close() {
-        sharedPreferences.unregisterOnSharedPreferenceChangeListener(listener)
-    }
-}
-
-/** Creates [SharedPreferences.OnSharedPreferenceChangeListener] for [KeyedObservable]. */
-internal fun KeyedObservable<String>.createSharedPreferenceListener() =
-    SharedPreferences.OnSharedPreferenceChangeListener { _, key ->
-        if (key != null) {
-            notifyChange(key, DataChangeReason.UPDATE)
-        } else {
-            // On Android >= R, SharedPreferences.Editor.clear() will trigger this case
-            notifyChange(DataChangeReason.DELETE)
-        }
-    }