| /* |
| * Copyright (C) 2017 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.deviceinfo; |
| |
| import android.content.Context; |
| import android.os.Build; |
| import androidx.annotation.VisibleForTesting; |
| import androidx.preference.Preference; |
| import androidx.preference.PreferenceScreen; |
| import android.text.TextUtils; |
| |
| import com.android.settingslib.core.AbstractPreferenceController; |
| |
| /** |
| * Preference controller for displaying device serial number. Wraps {@link Build#getSerial()}. |
| */ |
| public class AbstractSerialNumberPreferenceController extends AbstractPreferenceController { |
| |
| @VisibleForTesting |
| static final String KEY_SERIAL_NUMBER = "serial_number"; |
| |
| private final String mSerialNumber; |
| |
| public AbstractSerialNumberPreferenceController(Context context) { |
| this(context, Build.getSerial()); |
| } |
| |
| @VisibleForTesting |
| AbstractSerialNumberPreferenceController(Context context, String serialNumber) { |
| super(context); |
| mSerialNumber = serialNumber; |
| } |
| |
| @Override |
| public boolean isAvailable() { |
| return !TextUtils.isEmpty(mSerialNumber); |
| } |
| |
| @Override |
| public void displayPreference(PreferenceScreen screen) { |
| super.displayPreference(screen); |
| final Preference pref = screen.findPreference(KEY_SERIAL_NUMBER); |
| if (pref != null) { |
| pref.setSummary(mSerialNumber); |
| } |
| } |
| |
| @Override |
| public String getPreferenceKey() { |
| return KEY_SERIAL_NUMBER; |
| } |
| } |