A better auto brightness (244e8ce7) · Commits · e / os / android_packages_apps_Settings

res/values/strings.xml

+7 −3

Original line number	Diff line number	Diff line
		@@ -1895,10 +1895,14 @@
		<string name="accelerometer_summary_off" product="tablet">Switch orientation automatically when rotating tablet</string>
		<!-- Sound & display settings screen, accelerometer-based rotation summary text when check box is clear -->
		<string name="accelerometer_summary_off" product="default">Switch orientation automatically when rotating phone</string>
		<!-- Sound & display settings screen, setting option name to change brightness -->
		<string name="brightness">Brightness</string>
		<!-- Sound & display settings screen, setting option summary to change brightness -->
		<!-- Sound & display settings screen, setting option name to change brightness level -->
		<string name="brightness">Brightness level</string>
		<!-- Sound & display settings screen, setting option summary to change brightness level -->
		<string name="brightness_summary">Adjust the brightness of the screen</string>
		<!-- Sound & display settings screen, setting option name to enable adaptive brightness -->
		<string name="auto_brightness_title">Adaptive brightness</string>
		<!-- Sound & display settings screen, setting option summary to enable adaptive brightness -->
		<string name="auto_brightness_summary">Optimize brightness level for available light</string>
		<!-- Sound & display settings screen, setting option name to change screen timeout -->
		<string name="screen_timeout">Sleep</string>
		<!-- Sound & display settings screen, setting option summary to change screen timeout -->

res/xml/display_settings.xml

+6 −0

Original line number	Diff line number	Diff line
		@@ -22,6 +22,12 @@
		android:title="@string/brightness"
		android:persistent="false"/>

		<CheckBoxPreference
		android:key="auto_brightness"
		android:title="@string/auto_brightness_title"
		android:summary="@string/auto_brightness_summary"
		android:persistent="false" />

		<PreferenceScreen
		android:key="wallpaper"
		android:title="@string/wallpaper_settings_title"

src/com/android/settings/DisplaySettings.java

+26 −4

Original line number	Diff line number	Diff line
		@@ -16,6 +16,9 @@

		package com.android.settings;

		import static android.provider.Settings.System.SCREEN_BRIGHTNESS_MODE;
		import static android.provider.Settings.System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC;
		import static android.provider.Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL;
		import static android.provider.Settings.System.SCREEN_OFF_TIMEOUT;

		import android.app.ActivityManagerNative;
		@@ -25,7 +28,6 @@ import android.content.ContentResolver;
		import android.content.Context;
		import android.content.res.Configuration;
		import android.content.res.Resources;
		import android.database.ContentObserver;
		import android.os.Bundle;
		import android.os.Handler;
		import android.os.RemoteException;
		@@ -35,7 +37,6 @@ import android.preference.Preference;
		import android.preference.Preference.OnPreferenceClickListener;
		import android.preference.PreferenceScreen;
		import android.provider.Settings;
		import android.provider.Settings.SettingNotFoundException;
		import android.util.Log;

		import java.util.ArrayList;
		@@ -50,6 +51,7 @@ public class DisplaySettings extends SettingsPreferenceFragment implements
		private static final String KEY_SCREEN_TIMEOUT = "screen_timeout";
		private static final String KEY_FONT_SIZE = "font_size";
		private static final String KEY_SCREEN_SAVER = "screensaver";
		private static final String KEY_AUTO_BRIGHTNESS = "auto_brightness";

		private static final int DLG_GLOBAL_CHANGE_WARNING = 1;

		@@ -60,6 +62,7 @@ public class DisplaySettings extends SettingsPreferenceFragment implements

		private ListPreference mScreenTimeoutPreference;
		private Preference mScreenSaverPreference;
		private CheckBoxPreference mAutoBrightnessPreference;

		@Override
		public void onCreate(Bundle savedInstanceState) {
		@@ -86,6 +89,15 @@ public class DisplaySettings extends SettingsPreferenceFragment implements
		mFontSizePref = (WarnedListPreference) findPreference(KEY_FONT_SIZE);
		mFontSizePref.setOnPreferenceChangeListener(this);
		mFontSizePref.setOnPreferenceClickListener(this);

		boolean automaticBrightnessAvailable = getResources().getBoolean(
		com.android.internal.R.bool.config_automatic_brightness_available);
		if (automaticBrightnessAvailable) {
		mAutoBrightnessPreference = (CheckBoxPreference) findPreference(KEY_AUTO_BRIGHTNESS);
		mAutoBrightnessPreference.setOnPreferenceChangeListener(this);
		} else {
		removePreference(KEY_AUTO_BRIGHTNESS);
		}
		}

		private void updateTimeoutPreferenceDescription(long currentTimeout) {
		@@ -189,7 +201,6 @@ public class DisplaySettings extends SettingsPreferenceFragment implements
		@Override
		public void onResume() {
		super.onResume();

		updateState();
		}

		@@ -210,6 +221,13 @@ public class DisplaySettings extends SettingsPreferenceFragment implements
		private void updateState() {
		readFontSizePreference(mFontSizePref);
		updateScreenSaverSummary();

		// Update auto brightness if it is available.
		if (mAutoBrightnessPreference != null) {
		int brightnessMode = Settings.System.getInt(getContentResolver(),
		SCREEN_BRIGHTNESS_MODE, SCREEN_BRIGHTNESS_MODE_MANUAL);
		mAutoBrightnessPreference.setChecked(brightnessMode != SCREEN_BRIGHTNESS_MODE_MANUAL);
		}
		}

		private void updateScreenSaverSummary() {
		@@ -248,7 +266,11 @@ public class DisplaySettings extends SettingsPreferenceFragment implements
		if (KEY_FONT_SIZE.equals(key)) {
		writeFontSizePreference(objValue);
		}

		if (preference == mAutoBrightnessPreference) {
		boolean auto = (Boolean) objValue;
		Settings.System.putInt(getContentResolver(), SCREEN_BRIGHTNESS_MODE,
		auto ? SCREEN_BRIGHTNESS_MODE_AUTOMATIC : SCREEN_BRIGHTNESS_MODE_MANUAL);
		}
		return true;
		}