A better auto brightness

Bug: 14927472
Change-Id: I122e1218dd0072c979a59bdafd3e0b6f4eec99ab
This commit is contained in:
Adrian Roos
2014-05-13 17:00:46 +02:00
parent 5659e6deed
commit 244e8ce7ab
3 changed files with 39 additions and 7 deletions

View File

@@ -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;
}