Add PIN recovery entry in supervision PIN management page.

Bug: b/390500290
Change-Id: I942fad663d0fb731215707d7c0b18359242aecb0
Test: atest SupervisionPinRecoveryPreferenceTest
Flag:android.app.supervision.flags.enable_supervision_pin_recovery_screen

res/values/strings.xml

@@ -14112,4 +14112,6 @@
     <string name="supervision_pin_management_preference_summary_add">Add a PIN recovery method</string>
     <!-- Title for supervision change PIN setting entry [CHAR LIMIT=60] -->
     <string name="supervision_change_pin_preference_title">Change PIN</string>
+    <!-- Title for supervision forgot PIN setting entry [CHAR LIMIT=60] -->
+    <string name="supervision_add_forgot_pin_preference_title">Forgot PIN</string>
 </resources>

src/com/android/settings/supervision/SupervisionPinManagementScreen.kt

@@ -42,6 +42,7 @@ class SupervisionPinManagementScreen : PreferenceScreenCreator {
 
     override fun getPreferenceHierarchy(context: Context) =
         preferenceHierarchy(context, this) {
+            +SupervisionPinRecoveryPreference()
             // TODO(b/391992481) implement the screen.
             +SupervisionChangePinPreference()
         }

src/com/android/settings/supervision/SupervisionPinRecoveryPreference.kt

@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2025 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.settings.supervision
+
+import android.app.supervision.flags.Flags
+import android.content.Context
+import com.android.settings.R
+import androidx.preference.Preference
+import com.android.settingslib.metadata.PreferenceAvailabilityProvider
+import com.android.settingslib.metadata.PreferenceMetadata
+
+class SupervisionPinRecoveryPreference : PreferenceMetadata,
+    PreferenceAvailabilityProvider, Preference.OnPreferenceClickListener {
+    override val key: String
+        get() = SupervisionPinRecoveryPreference.KEY
+
+    override val title: Int
+        get() = R.string.supervision_add_forgot_pin_preference_title
+
+    override fun isAvailable(context: Context) = Flags.enableSupervisionPinRecoveryScreen()
+
+    // TODO(b/393657542): trigger re-authentication flow to confirm user credential before PIN
+    // recovery.
+    override fun onPreferenceClick(preference: Preference): Boolean {
+        return true
+    }
+
+    companion object {
+        const val KEY = "supervision_pin_recovery"
+    }
+}

tests/robotests/src/com/android/settings/supervision/SupervisionPinRecoveryPreferenceTest.kt

@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) 2025 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.settings.supervision
+
+import android.content.Context
+import androidx.test.core.app.ApplicationProvider
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import com.google.common.truth.Truth.assertThat
+import org.junit.Test
+import org.junit.runner.RunWith
+
+@RunWith(AndroidJUnit4::class)
+class SupervisionPinRecoveryPreferenceTest {
+    private val context: Context = ApplicationProvider.getApplicationContext()
+
+    private val supervisionPinRecoveryPreference = SupervisionPinRecoveryPreference()
+
+    @Test
+    fun getTitle() {
+        assertThat(supervisionPinRecoveryPreference.getPreferenceTitle(context))
+            .isEqualTo("Forgot PIN")
+    }
+}