Add Night display settings
Bug: 28615069 Change-Id: I2e8a374a00c06c06d419a6ff46cd3b5d544c1d3e
This commit is contained in:
Justin Klaassen
226
src/com/android/settings/display/NightDisplaySettings.java
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226
src/com/android/settings/display/NightDisplaySettings.java
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/**
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.settings.display;
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import android.app.Dialog;
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import android.app.TimePickerDialog;
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import android.content.Context;
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import android.os.Bundle;
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import android.support.v7.preference.DropDownPreference;
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import android.support.v7.preference.Preference;
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import android.widget.Switch;
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import android.widget.TimePicker;
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import com.android.internal.app.NightDisplayController;
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import com.android.internal.logging.MetricsProto.MetricsEvent;
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import com.android.settings.R;
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import com.android.settings.SettingsActivity;
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import com.android.settings.SettingsPreferenceFragment;
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import com.android.settings.widget.SwitchBar;
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import java.text.DateFormat;
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import java.util.Calendar;
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import java.util.TimeZone;
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/**
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* Settings screen for Night display.
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*/
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public class NightDisplaySettings extends SettingsPreferenceFragment implements
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NightDisplayController.Callback,
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Preference.OnPreferenceChangeListener,
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SwitchBar.OnSwitchChangeListener {
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private static final String KEY_NIGHT_DISPLAY_AUTO_MODE = "night_display_auto_mode";
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private static final String KEY_NIGHT_DISPLAY_START_TIME = "night_display_start_time";
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private static final String KEY_NIGHT_DISPLAY_END_TIME = "night_display_end_time";
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private static final int DIALOG_START_TIME = 0;
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private static final int DIALOG_END_TIME = 1;
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private NightDisplayController mController;
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private DateFormat mTimeFormatter;
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private DropDownPreference mAutoModePreference;
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private Preference mStartTimePreference;
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private Preference mEndTimePreference;
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private SwitchBar mSwitchBar;
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@Override
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public void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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final Context context = getContext();
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mController = new NightDisplayController(context);
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mTimeFormatter = android.text.format.DateFormat.getTimeFormat(context);
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mTimeFormatter.setTimeZone(TimeZone.getTimeZone("UTC"));
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}
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@Override
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public void onCreatePreferences(Bundle savedInstanceState, String rootKey) {
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super.onCreatePreferences(savedInstanceState, rootKey);
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// Load the preferences from xml.
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addPreferencesFromResource(R.xml.night_display_settings);
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mAutoModePreference = (DropDownPreference) findPreference(KEY_NIGHT_DISPLAY_AUTO_MODE);
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mStartTimePreference = findPreference(KEY_NIGHT_DISPLAY_START_TIME);
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mEndTimePreference = findPreference(KEY_NIGHT_DISPLAY_END_TIME);
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mAutoModePreference.setEntries(new CharSequence[] {
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getString(R.string.night_display_auto_mode_never),
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getString(R.string.night_display_auto_mode_custom),
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getString(R.string.night_display_auto_mode_twilight)
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});
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mAutoModePreference.setEntryValues(new CharSequence[] {
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String.valueOf(NightDisplayController.AUTO_MODE_DISABLED),
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String.valueOf(NightDisplayController.AUTO_MODE_CUSTOM),
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String.valueOf(NightDisplayController.AUTO_MODE_TWILIGHT)
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});
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mAutoModePreference.setOnPreferenceChangeListener(this);
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}
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@Override
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public void onActivityCreated(Bundle savedInstanceState) {
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super.onActivityCreated(savedInstanceState);
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mSwitchBar = ((SettingsActivity) getActivity()).getSwitchBar();
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mSwitchBar.addOnSwitchChangeListener(this);
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mSwitchBar.show();
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}
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@Override
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public void onStart() {
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super.onStart();
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// Listen for changes only while visible.
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mController.setListener(this);
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// Update the current state since it have changed while not visible.
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onActivated(mController.isActivated());
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onAutoModeChanged(mController.getAutoMode());
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onCustomStartTimeChanged(mController.getCustomStartTime());
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onCustomEndTimeChanged(mController.getCustomEndTime());
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}
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@Override
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public void onStop() {
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super.onStop();
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// Stop listening for state changes.
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mController.setListener(null);
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}
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@Override
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public boolean onPreferenceTreeClick(Preference preference) {
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if (preference == mStartTimePreference) {
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showDialog(DIALOG_START_TIME);
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return true;
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} else if (preference == mEndTimePreference) {
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showDialog(DIALOG_END_TIME);
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return true;
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}
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return super.onPreferenceTreeClick(preference);
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}
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@Override
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public Dialog onCreateDialog(final int dialogId) {
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if (dialogId == DIALOG_START_TIME || dialogId == DIALOG_END_TIME) {
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final NightDisplayController.LocalTime initialTime;
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if (dialogId == DIALOG_START_TIME) {
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initialTime = mController.getCustomStartTime();
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} else {
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initialTime = mController.getCustomEndTime();
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}
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final Context context = getContext();
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final boolean use24HourFormat = android.text.format.DateFormat.is24HourFormat(context);
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return new TimePickerDialog(context, new TimePickerDialog.OnTimeSetListener() {
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@Override
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public void onTimeSet(TimePicker view, int hourOfDay, int minute) {
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final NightDisplayController.LocalTime time =
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new NightDisplayController.LocalTime(hourOfDay, minute);
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if (dialogId == DIALOG_START_TIME) {
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mController.setCustomStartTime(time);
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} else {
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mController.setCustomEndTime(time);
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}
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}
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}, initialTime.hourOfDay, initialTime.minute, use24HourFormat);
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}
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return super.onCreateDialog(dialogId);
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}
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@Override
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public void onActivated(boolean activated) {
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mSwitchBar.setChecked(activated);
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}
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@Override
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public void onAutoModeChanged(int autoMode) {
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mAutoModePreference.setValue(String.valueOf(autoMode));
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final boolean showCustomSchedule = autoMode == NightDisplayController.AUTO_MODE_CUSTOM;
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mStartTimePreference.setVisible(showCustomSchedule);
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mEndTimePreference.setVisible(showCustomSchedule);
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}
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private String getFormattedTimeString(NightDisplayController.LocalTime localTime) {
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final Calendar c = Calendar.getInstance();
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c.setTimeZone(mTimeFormatter.getTimeZone());
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c.set(Calendar.HOUR_OF_DAY, localTime.hourOfDay);
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c.set(Calendar.MINUTE, localTime.minute);
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c.set(Calendar.SECOND, 0);
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c.set(Calendar.MILLISECOND, 0);
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return mTimeFormatter.format(c.getTime());
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}
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@Override
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public void onCustomStartTimeChanged(NightDisplayController.LocalTime startTime) {
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mStartTimePreference.setSummary(getFormattedTimeString(startTime));
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}
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@Override
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public void onCustomEndTimeChanged(NightDisplayController.LocalTime endTime) {
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mEndTimePreference.setSummary(getFormattedTimeString(endTime));
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}
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@Override
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public void onSwitchChanged(Switch switchView, boolean isChecked) {
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// Attempt to update the NIGHT_DISPLAY_ACTIVATED setting if necessary.
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final boolean isActivated = mController.isActivated();
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if (isActivated != isChecked) {
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if (mController.setActivated(isChecked)) {
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switchView.setChecked(isActivated);
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}
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}
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}
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@Override
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public boolean onPreferenceChange(Preference preference, Object newValue) {
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if (preference == mAutoModePreference) {
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return mController.setAutoMode(Integer.parseInt((String) newValue));
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}
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return false;
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}
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@Override
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protected int getMetricsCategory() {
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return MetricsEvent.NIGHT_DISPLAY_SETTINGS;
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}
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}
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