| /* |
| * Copyright (C) 2018 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.datetime; |
| |
| import android.car.drivingstate.CarUxRestrictions; |
| import android.content.BroadcastReceiver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.provider.Settings; |
| import android.text.format.DateFormat; |
| |
| import androidx.preference.TwoStatePreference; |
| |
| import com.android.car.settings.common.FragmentController; |
| import com.android.car.settings.common.PreferenceController; |
| |
| import java.util.Calendar; |
| |
| /** |
| * Business logic for toggle which chooses between 12 hour or 24 hour formats. |
| */ |
| public class TimeFormatTogglePreferenceController extends PreferenceController<TwoStatePreference> { |
| public static final String HOURS_12 = "12"; |
| public static final String HOURS_24 = "24"; |
| |
| private static final int DEMO_MONTH = 11; |
| private static final int DEMO_DAY_OF_MONTH = 31; |
| private static final int DEMO_HOUR_OF_DAY = 13; |
| private static final int DEMO_MINUTE = 0; |
| private static final int DEMO_SECOND = 0; |
| private final Calendar mTimeFormatDemoDate = Calendar.getInstance(); |
| private final BroadcastReceiver mTimeChangeReceiver = new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| refreshUi(); |
| } |
| }; |
| |
| public TimeFormatTogglePreferenceController(Context context, String preferenceKey, |
| FragmentController fragmentController, CarUxRestrictions uxRestrictions) { |
| super(context, preferenceKey, fragmentController, uxRestrictions); |
| } |
| |
| @Override |
| protected Class<TwoStatePreference> getPreferenceType() { |
| return TwoStatePreference.class; |
| } |
| |
| /** Starts the broadcast receiver which listens for time changes */ |
| @Override |
| protected void onStartInternal() { |
| // Listens to ACTION_TIME_CHANGED because the description needs to be changed based on |
| // the ACTION_TIME_CHANGED intent that this toggle sends. |
| getContext().registerReceiver(mTimeChangeReceiver, |
| new IntentFilter(Intent.ACTION_TIME_CHANGED)); |
| } |
| |
| /** Stops the broadcast receiver which listens for time changes */ |
| @Override |
| protected void onStopInternal() { |
| getContext().unregisterReceiver(mTimeChangeReceiver); |
| } |
| |
| @Override |
| protected void updateState(TwoStatePreference preference) { |
| Calendar now = Calendar.getInstance(); |
| mTimeFormatDemoDate.setTimeZone(now.getTimeZone()); |
| // We use December 31st because it's unambiguous when demonstrating the date format. |
| // We use 13:00 so we can demonstrate the 12/24 hour options. |
| mTimeFormatDemoDate.set(now.get(Calendar.YEAR), DEMO_MONTH, DEMO_DAY_OF_MONTH, |
| DEMO_HOUR_OF_DAY, DEMO_MINUTE, DEMO_SECOND); |
| preference.setSummary( |
| DateFormat.getTimeFormat(getContext()).format(mTimeFormatDemoDate.getTime())); |
| preference.setChecked(is24Hour()); |
| } |
| |
| @Override |
| protected boolean handlePreferenceChanged(TwoStatePreference preference, Object newValue) { |
| boolean isUse24HourFormatEnabled = (boolean) newValue; |
| Settings.System.putString(getContext().getContentResolver(), |
| Settings.System.TIME_12_24, |
| isUse24HourFormatEnabled ? HOURS_24 : HOURS_12); |
| Intent timeChanged = new Intent(Intent.ACTION_TIME_CHANGED); |
| int timeFormatPreference = |
| isUse24HourFormatEnabled ? Intent.EXTRA_TIME_PREF_VALUE_USE_24_HOUR |
| : Intent.EXTRA_TIME_PREF_VALUE_USE_12_HOUR; |
| timeChanged.putExtra(Intent.EXTRA_TIME_PREF_24_HOUR_FORMAT, |
| timeFormatPreference); |
| getContext().sendBroadcast(timeChanged); |
| return true; |
| } |
| |
| private boolean is24Hour() { |
| return DateFormat.is24HourFormat(getContext()); |
| } |
| } |