| /* |
| * 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.car.settings.wifi.details; |
| |
| import android.car.drivingstate.CarUxRestrictions; |
| import android.content.Context; |
| |
| import com.android.car.settings.R; |
| import com.android.car.settings.common.FragmentController; |
| import com.android.car.settings.common.Logger; |
| import com.android.settingslib.wifi.AccessPoint; |
| |
| /** |
| * Shows frequency info about the Wifi connection. |
| */ |
| public class WifiFrequencyPreferenceController extends |
| WifiDetailsBasePreferenceController<WifiDetailsPreference> { |
| private static final Logger LOG = new Logger(WifiFrequencyPreferenceController.class); |
| |
| public WifiFrequencyPreferenceController(Context context, String preferenceKey, |
| FragmentController fragmentController, CarUxRestrictions uxRestrictions) { |
| super(context, preferenceKey, fragmentController, uxRestrictions); |
| } |
| |
| @Override |
| protected Class<WifiDetailsPreference> getPreferenceType() { |
| return WifiDetailsPreference.class; |
| } |
| |
| @Override |
| protected void updateState(WifiDetailsPreference preference) { |
| int frequency = getWifiInfoProvider().getWifiInfo().getFrequency(); |
| String band = null; |
| if (frequency >= AccessPoint.LOWER_FREQ_24GHZ |
| && frequency < AccessPoint.HIGHER_FREQ_24GHZ) { |
| band = getContext().getResources().getString(R.string.wifi_band_24ghz); |
| } else if (frequency >= AccessPoint.LOWER_FREQ_5GHZ |
| && frequency < AccessPoint.HIGHER_FREQ_5GHZ) { |
| band = getContext().getResources().getString(R.string.wifi_band_5ghz); |
| } else { |
| LOG.e("Unexpected frequency " + frequency); |
| } |
| preference.setDetailText(band); |
| } |
| } |