| /* |
| * 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.annotation.SuppressLint; |
| import android.bluetooth.BluetoothAdapter; |
| import android.content.Context; |
| import android.support.annotation.VisibleForTesting; |
| import android.support.v7.preference.Preference; |
| import android.support.v7.preference.PreferenceScreen; |
| import android.text.TextUtils; |
| |
| import com.android.settingslib.R; |
| import com.android.settingslib.core.lifecycle.Lifecycle; |
| |
| /** |
| * Preference controller for bluetooth address |
| */ |
| public abstract class AbstractBluetoothAddressPreferenceController |
| extends AbstractConnectivityPreferenceController { |
| |
| @VisibleForTesting |
| static final String KEY_BT_ADDRESS = "bt_address"; |
| |
| private static final String[] CONNECTIVITY_INTENTS = { |
| BluetoothAdapter.ACTION_STATE_CHANGED |
| }; |
| |
| private Preference mBtAddress; |
| |
| public AbstractBluetoothAddressPreferenceController(Context context, Lifecycle lifecycle) { |
| super(context, lifecycle); |
| } |
| |
| @Override |
| public boolean isAvailable() { |
| return BluetoothAdapter.getDefaultAdapter() != null; |
| } |
| |
| @Override |
| public String getPreferenceKey() { |
| return KEY_BT_ADDRESS; |
| } |
| |
| @Override |
| public void displayPreference(PreferenceScreen screen) { |
| super.displayPreference(screen); |
| mBtAddress = screen.findPreference(KEY_BT_ADDRESS); |
| updateConnectivity(); |
| } |
| |
| @Override |
| protected String[] getConnectivityIntents() { |
| return CONNECTIVITY_INTENTS; |
| } |
| |
| @SuppressLint("HardwareIds") |
| @Override |
| protected void updateConnectivity() { |
| BluetoothAdapter bluetooth = BluetoothAdapter.getDefaultAdapter(); |
| if (bluetooth != null && mBtAddress != null) { |
| String address = bluetooth.isEnabled() ? bluetooth.getAddress() : null; |
| if (!TextUtils.isEmpty(address)) { |
| // Convert the address to lowercase for consistency with the wifi MAC address. |
| mBtAddress.setSummary(address.toLowerCase()); |
| } else { |
| mBtAddress.setSummary(R.string.status_unavailable); |
| } |
| } |
| } |
| } |