src/com/android/car/settings/system/BluetoothMacAddressPreferenceController.java

/*
 * Copyright (C) 2019 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.car.settings.system;

import android.bluetooth.BluetoothAdapter;
import android.car.drivingstate.CarUxRestrictions;
import android.content.Context;
import android.content.pm.PackageManager;

import androidx.preference.Preference;

import com.android.car.settings.common.FragmentController;
import com.android.car.settings.common.PreferenceController;

/** Updates the vehicle bluetooth mac address summary. */
public class BluetoothMacAddressPreferenceController extends
        PreferenceController<Preference> {

    private BluetoothAdapter mBluetoothAdapter;

    public BluetoothMacAddressPreferenceController(Context context, String preferenceKey,
            FragmentController fragmentController, CarUxRestrictions uxRestrictions) {
        super(context, preferenceKey, fragmentController, uxRestrictions);
        mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
    }

    @Override
    protected Class<Preference> getPreferenceType() {
        return Preference.class;
    }

    @Override
    protected int getAvailabilityStatus() {
        if (!getContext().getPackageManager().hasSystemFeature(PackageManager.FEATURE_BLUETOOTH)) {
            return UNSUPPORTED_ON_DEVICE;
        }
        return super.getAvailabilityStatus();
    }

    @Override
    protected void updateState(Preference preference) {
        preference.setSummary(mBluetoothAdapter.getAddress());
    }
}