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Add accessibility display adjustments to Settings

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This will be redesigned soon, but for now it allows access to quick
setting tiles for testing display adjustments.

BUG: 9057596
Change-Id: I4b760487b2fe0a336b188930306000e5dfc01951
This commit is contained in:
Alan Viverette
2013-10-02 16:36:33 -07:00
parent f654f192b9
commit fc0ab213b8
15 changed files with 726 additions and 33 deletions
Download Patch File Download Diff File Expand all files Collapse all files

42
src/com/android/settings/DevelopmentSettings.java
View File

@@ -59,6 +59,7 @@ import android.view.Gravity;
import android.view.HardwareRenderer;
import android.view.IWindowManager;
import android.view.View;
import android.view.accessibility.AccessibilityManager;
import android.webkit.WebViewFactory;
import android.widget.CompoundButton;
import android.widget.Switch;
@@ -114,6 +115,7 @@ public class DevelopmentSettings extends RestrictedSettingsFragment
private static final String SHOW_TOUCHES_KEY = "show_touches";
private static final String SHOW_SCREEN_UPDATES_KEY = "show_screen_updates";
private static final String DISABLE_OVERLAYS_KEY = "disable_overlays";
private static final String SIMULATE_COLOR_SPACE = "simulate_color_space";
private static final String SHOW_CPU_USAGE_KEY = "show_cpu_usage";
private static final String FORCE_HARDWARE_UI_KEY = "force_hw_ui";
private static final String FORCE_MSAA_KEY = "force_msaa";
@@ -195,6 +197,7 @@ public class DevelopmentSettings extends RestrictedSettingsFragment
private ListPreference mAnimatorDurationScale;
private ListPreference mOverlayDisplayDevices;
private ListPreference mOpenGLTraces;
private ListPreference mSimulateColorSpace;
private CheckBoxPreference mImmediatelyDestroyActivities;
private ListPreference mAppProcessLimit;
@@ -300,6 +303,7 @@ public class DevelopmentSettings extends RestrictedSettingsFragment
mAnimatorDurationScale = addListPreference(ANIMATOR_DURATION_SCALE_KEY);
mOverlayDisplayDevices = addListPreference(OVERLAY_DISPLAY_DEVICES_KEY);
mOpenGLTraces = addListPreference(OPENGL_TRACES_KEY);
mSimulateColorSpace = addListPreference(SIMULATE_COLOR_SPACE);
mImmediatelyDestroyActivities = (CheckBoxPreference) findPreference(
IMMEDIATELY_DESTROY_ACTIVITIES_KEY);
@@ -513,6 +517,7 @@ public class DevelopmentSettings extends RestrictedSettingsFragment
updateBugreportOptions();
updateForceRtlOptions();
updateWifiDisplayCertificationOptions();
updateSimulateColorSpace();
}
private void resetDangerousOptions() {
@@ -949,6 +954,40 @@ public class DevelopmentSettings extends RestrictedSettingsFragment
pokeSystemProperties();
}
private void updateSimulateColorSpace() {
final ContentResolver cr = getContentResolver();
final boolean enabled = Settings.Secure.getInt(
cr, Settings.Secure.ACCESSIBILITY_DISPLAY_DALTONIZER_ENABLED, 0) != 0;
if (enabled) {
final String mode = Integer.toString(Settings.Secure.getInt(
cr, Settings.Secure.ACCESSIBILITY_DISPLAY_DALTONIZER,
AccessibilityManager.DALTONIZER_DISABLED));
mSimulateColorSpace.setValue(mode);
final int index = mSimulateColorSpace.findIndexOfValue(mode);
if (index < 0) {
// We're using a mode controlled by accessibility preferences.
mSimulateColorSpace.setSummary(getString(R.string.daltonizer_type_overridden,
getString(R.string.accessibility_display_daltonizer_preference_title)));
} else {
mSimulateColorSpace.setSummary("%s");
}
} else {
mSimulateColorSpace.setValue(
Integer.toString(AccessibilityManager.DALTONIZER_DISABLED));
}
}
private void writeSimulateColorSpace(Object value) {
final ContentResolver cr = getContentResolver();
final int newMode = Integer.parseInt(value.toString());
if (newMode < 0) {
Settings.Secure.putInt(cr, Settings.Secure.ACCESSIBILITY_DISPLAY_DALTONIZER_ENABLED, 0);
} else {
Settings.Secure.putInt(cr, Settings.Secure.ACCESSIBILITY_DISPLAY_DALTONIZER_ENABLED, 1);
Settings.Secure.putInt(cr, Settings.Secure.ACCESSIBILITY_DISPLAY_DALTONIZER, newMode);
}
}
private void updateForceRtlOptions() {
updateCheckBox(mForceRtlLayout, Settings.Global.getInt(getActivity().getContentResolver(),
Settings.Global.DEVELOPMENT_FORCE_RTL, 0) != 0);
@@ -1350,6 +1389,9 @@ public class DevelopmentSettings extends RestrictedSettingsFragment
} else if (preference == mAppProcessLimit) {
writeAppProcessLimitOptions(newValue);
return true;
} else if (preference == mSimulateColorSpace) {
writeSimulateColorSpace(newValue);
return true;
}
return false;
}

6
src/com/android/settings/Settings.java
View File

@@ -325,6 +325,9 @@ public class Settings extends PreferenceActivity
DeviceAdminSettings.class.getName(),
AccessibilitySettings.class.getName(),
ToggleCaptioningPreferenceFragment.class.getName(),
com.android.settings.accessibility.ToggleInversionPreferenceFragment.class.getName(),
com.android.settings.accessibility.ToggleContrastPreferenceFragment.class.getName(),
com.android.settings.accessibility.ToggleDaltonizerPreferenceFragment.class.getName(),
TextToSpeechSettings.class.getName(),
Memory.class.getName(),
DevelopmentSettings.class.getName(),
@@ -1039,6 +1042,9 @@ public class Settings extends PreferenceActivity
public static class DevelopmentSettingsActivity extends Settings { /* empty */ }
public static class AccessibilitySettingsActivity extends Settings { /* empty */ }
public static class CaptioningSettingsActivity extends Settings { /* empty */ }
public static class AccessibilityInversionSettingsActivity extends Settings { /* empty */ }
public static class AccessibilityContrastSettingsActivity extends Settings { /* empty */ }
public static class AccessibilityDaltonizerSettingsActivity extends Settings { /* empty */ }
public static class SecuritySettingsActivity extends Settings { /* empty */ }
public static class LocationSettingsActivity extends Settings { /* empty */ }
public static class PrivacySettingsActivity extends Settings { /* empty */ }

52
src/com/android/settings/accessibility/AccessibilitySettings.java
View File

@@ -103,6 +103,12 @@ public class AccessibilitySettings extends SettingsPreferenceFragment implements
"captioning_preference_screen";
private static final String DISPLAY_MAGNIFICATION_PREFERENCE_SCREEN =
"screen_magnification_preference_screen";
private static final String DISPLAY_CONTRAST_PREFERENCE_SCREEN =
"contrast_preference_screen";
private static final String DISPLAY_INVERSION_PREFERENCE_SCREEN =
"inversion_preference_screen";
private static final String DISPLAY_DALTONIZER_PREFERENCE_SCREEN =
"daltonizer_preference_screen";
// Extras passed to sub-fragments.
static final String EXTRA_PREFERENCE_KEY = "preference_key";
@@ -198,6 +204,9 @@ public class AccessibilitySettings extends SettingsPreferenceFragment implements
private PreferenceScreen mCaptioningPreferenceScreen;
private PreferenceScreen mDisplayMagnificationPreferenceScreen;
private PreferenceScreen mGlobalGesturePreferenceScreen;
private PreferenceScreen mDisplayInversionPreferenceScreen;
private PreferenceScreen mDisplayContrastPreferenceScreen;
private PreferenceScreen mDisplayDaltonizerPreferenceScreen;
private int mLongPressTimeoutDefault;
@@ -375,6 +384,14 @@ public class AccessibilitySettings extends SettingsPreferenceFragment implements
mDisplayMagnificationPreferenceScreen = (PreferenceScreen) findPreference(
DISPLAY_MAGNIFICATION_PREFERENCE_SCREEN);
// Display color adjustments.
mDisplayContrastPreferenceScreen = (PreferenceScreen) findPreference(
DISPLAY_CONTRAST_PREFERENCE_SCREEN);
mDisplayInversionPreferenceScreen = (PreferenceScreen) findPreference(
DISPLAY_INVERSION_PREFERENCE_SCREEN);
mDisplayDaltonizerPreferenceScreen = (PreferenceScreen) findPreference(
DISPLAY_DALTONIZER_PREFERENCE_SCREEN);
// Global gesture.
mGlobalGesturePreferenceScreen =
(PreferenceScreen) findPreference(ENABLE_ACCESSIBILITY_GESTURE_PREFERENCE_SCREEN);
@@ -518,25 +535,16 @@ public class AccessibilitySettings extends SettingsPreferenceFragment implements
mSelectLongPressTimeoutPreference.setValue(value);
mSelectLongPressTimeoutPreference.setSummary(mLongPressTimeoutValuetoTitleMap.get(value));
// Captioning.
final boolean captioningEnabled = Settings.Secure.getInt(getContentResolver(),
Settings.Secure.ACCESSIBILITY_CAPTIONING_ENABLED, 0) == 1;
if (captioningEnabled) {
mCaptioningPreferenceScreen.setSummary(R.string.accessibility_feature_state_on);
} else {
mCaptioningPreferenceScreen.setSummary(R.string.accessibility_feature_state_off);
}
// Screen magnification.
final boolean magnificationEnabled = Settings.Secure.getInt(getContentResolver(),
Settings.Secure.ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED, 0) == 1;
if (magnificationEnabled) {
mDisplayMagnificationPreferenceScreen.setSummary(
R.string.accessibility_feature_state_on);
} else {
mDisplayMagnificationPreferenceScreen.setSummary(
R.string.accessibility_feature_state_off);
}
updateFeatureSummary(Settings.Secure.ACCESSIBILITY_CAPTIONING_ENABLED,
mCaptioningPreferenceScreen);
updateFeatureSummary(Settings.Secure.ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED,
mDisplayMagnificationPreferenceScreen);
updateFeatureSummary(Settings.Secure.ACCESSIBILITY_DISPLAY_INVERSION_ENABLED,
mDisplayInversionPreferenceScreen);
updateFeatureSummary(Settings.Secure.ACCESSIBILITY_DISPLAY_CONTRAST_ENABLED,
mDisplayContrastPreferenceScreen);
updateFeatureSummary(Settings.Secure.ACCESSIBILITY_DISPLAY_DALTONIZER_ENABLED,
mDisplayDaltonizerPreferenceScreen);
// Global gesture
final boolean globalGestureEnabled = Settings.Global.getInt(getContentResolver(),
@@ -550,6 +558,12 @@ public class AccessibilitySettings extends SettingsPreferenceFragment implements
}
}
private void updateFeatureSummary(String prefKey, Preference pref) {
final boolean enabled = Settings.Secure.getInt(getContentResolver(), prefKey, 0) == 1;
pref.setSummary(enabled ? R.string.accessibility_feature_state_on
: R.string.accessibility_feature_state_off);
}
private void updateLockScreenRotationCheckbox() {
Context context = getActivity();
if (context != null) {

121
src/com/android/settings/accessibility/ToggleContrastPreferenceFragment.java Normal file
View File

@@ -0,0 +1,121 @@
/*
* Copyright (C) 2013 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.settings.accessibility;
import android.os.Bundle;
import android.preference.CheckBoxPreference;
import android.preference.Preference;
import android.preference.PreferenceScreen;
import android.preference.SeekBarPreference;
import android.provider.Settings;
import android.view.View;
import android.widget.CompoundButton;
import android.widget.CompoundButton.OnCheckedChangeListener;
import com.android.settings.R;
import com.android.settings.accessibility.ToggleSwitch.OnBeforeCheckedChangeListener;
public class ToggleContrastPreferenceFragment extends ToggleFeaturePreferenceFragment
implements Preference.OnPreferenceChangeListener {
private static final String ENABLED = Settings.Secure.ACCESSIBILITY_DISPLAY_CONTRAST_ENABLED;
private static final String QUICK_SETTING_ENABLED =
Settings.Secure.ACCESSIBILITY_DISPLAY_CONTRAST_QUICK_SETTING_ENABLED;
private CheckBoxPreference mEnableQuickSetting;
private SeekBarPreference mBrightness;
private SeekBarPreference mContrast;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
addPreferencesFromResource(R.xml.accessibility_contrast_settings);
mEnableQuickSetting = (CheckBoxPreference) findPreference("enable_quick_setting");
mBrightness = (SeekBarPreference) findPreference("brightness");
mBrightness.setMax(1000);
mContrast = (SeekBarPreference) findPreference("contrast");
mContrast.setMax(1000);
initPreferences();
}
@Override
protected void onPreferenceToggled(String preferenceKey, boolean enabled) {
Settings.Secure.putInt(getContentResolver(), ENABLED, enabled ? 1 : 0);
}
@Override
public boolean onPreferenceChange(Preference preference, Object newValue) {
if (preference == mEnableQuickSetting) {
Settings.Secure.putInt(
getContentResolver(), QUICK_SETTING_ENABLED, ((Boolean) newValue) ? 1 : 0);
} else if (preference == mBrightness) {
final int progress = (Integer) newValue;
final float value = progress / 1000f - 0.5f;
Settings.Secure.putFloat(
getContentResolver(), Settings.Secure.ACCESSIBILITY_DISPLAY_BRIGHTNESS, value);
} else if (preference == mContrast) {
final int progress = (Integer) newValue;
final float value = progress / 1000f * 10f + 1f;
Settings.Secure.putFloat(
getContentResolver(), Settings.Secure.ACCESSIBILITY_DISPLAY_CONTRAST, value);
}
return true;
}
@Override
public void onViewCreated(View view, Bundle savedInstanceState) {
super.onViewCreated(view, savedInstanceState);
setTitle(getString(R.string.accessibility_display_contrast_preference_title));
}
@Override
protected void onInstallActionBarToggleSwitch() {
super.onInstallActionBarToggleSwitch();
mToggleSwitch.setCheckedInternal(
Settings.Secure.getInt(getContentResolver(), ENABLED, 0) == 1);
mToggleSwitch.setOnCheckedChangeListener(new OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton button, boolean checked) {
onPreferenceToggled(mPreferenceKey, checked);
}
});
}
private void initPreferences() {
mEnableQuickSetting.setChecked(
Settings.Secure.getInt(getContentResolver(), QUICK_SETTING_ENABLED, 0) == 1);
mEnableQuickSetting.setOnPreferenceChangeListener(this);
final float brightness = Settings.Secure.getFloat(
getContentResolver(), Settings.Secure.ACCESSIBILITY_DISPLAY_BRIGHTNESS, 0);
final float contrast = Settings.Secure.getFloat(
getContentResolver(), Settings.Secure.ACCESSIBILITY_DISPLAY_CONTRAST, 2);
// Available brightness range is -0.5 to 0.5.
mBrightness.setProgress((int) (1000 * (brightness + 0.5f)));
mBrightness.setOnPreferenceChangeListener(this);
// Available contrast range is 1 to 10.
mContrast.setProgress((int) (1000 * (contrast - 1f) / 10f));
mContrast.setOnPreferenceChangeListener(this);
}
}

114
src/com/android/settings/accessibility/ToggleDaltonizerPreferenceFragment.java Normal file
View File

@@ -0,0 +1,114 @@
/*
* Copyright (C) 2013 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.settings.accessibility;
import android.accessibilityservice.AccessibilityService;
import android.os.Bundle;
import android.preference.CheckBoxPreference;
import android.preference.ListPreference;
import android.preference.Preference;
import android.preference.Preference.OnPreferenceChangeListener;
import android.preference.PreferenceScreen;
import android.preference.SeekBarPreference;
import android.provider.Settings;
import android.view.View;
import android.view.accessibility.AccessibilityManager;
import android.widget.CompoundButton;
import android.widget.CompoundButton.OnCheckedChangeListener;
import com.android.settings.R;
import com.android.settings.accessibility.ToggleSwitch.OnBeforeCheckedChangeListener;
public class ToggleDaltonizerPreferenceFragment extends ToggleFeaturePreferenceFragment
implements Preference.OnPreferenceChangeListener {
private static final String ENABLED = Settings.Secure.ACCESSIBILITY_DISPLAY_DALTONIZER_ENABLED;
private static final String TYPE = Settings.Secure.ACCESSIBILITY_DISPLAY_DALTONIZER;
private static final String QUICK_SETTING_ENABLED =
Settings.Secure.ACCESSIBILITY_DISPLAY_DALTONIZER_QUICK_SETTING_ENABLED;
private static final int DEFAULT_TYPE = AccessibilityManager.DALTONIZER_CORRECT_DEUTERANOMALY;
private CheckBoxPreference mEnableQuickSetting;
private ListPreference mType;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
addPreferencesFromResource(R.xml.accessibility_daltonizer_settings);
mEnableQuickSetting = (CheckBoxPreference) findPreference("enable_quick_setting");
mType = (ListPreference) findPreference("type");
initPreferences();
}
@Override
protected void onPreferenceToggled(String preferenceKey, boolean enabled) {
Settings.Secure.putInt(getContentResolver(), ENABLED, enabled ? 1 : 0);
}
@Override
public boolean onPreferenceChange(Preference preference, Object newValue) {
if (preference == mEnableQuickSetting) {
Settings.Secure.putInt(
getContentResolver(), QUICK_SETTING_ENABLED, ((Boolean) newValue) ? 1 : 0);
} else if (preference == mType) {
Settings.Secure.putInt(getContentResolver(), TYPE, Integer.parseInt((String) newValue));
preference.setSummary("%s");
}
return true;
}
@Override
public void onViewCreated(View view, Bundle savedInstanceState) {
super.onViewCreated(view, savedInstanceState);
setTitle(getString(R.string.accessibility_display_daltonizer_preference_title));
}
@Override
protected void onInstallActionBarToggleSwitch() {
super.onInstallActionBarToggleSwitch();
mToggleSwitch.setCheckedInternal(
Settings.Secure.getInt(getContentResolver(), ENABLED, 0) == 1);
mToggleSwitch.setOnCheckedChangeListener(new OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton button, boolean checked) {
onPreferenceToggled(mPreferenceKey, checked);
}
});
}
private void initPreferences() {
mEnableQuickSetting.setChecked(
Settings.Secure.getInt(getContentResolver(), QUICK_SETTING_ENABLED, 0) == 1);
mEnableQuickSetting.setOnPreferenceChangeListener(this);
final String value = Integer.toString(
Settings.Secure.getInt(getContentResolver(), TYPE, DEFAULT_TYPE));
mType.setValue(value);
mType.setOnPreferenceChangeListener(this);
final int index = mType.findIndexOfValue(value);
if (index < 0) {
// We're using a mode controlled by developer preferences.
mType.setSummary(getString(R.string.daltonizer_type_overridden,
getString(R.string.simulate_color_space)));
}
}
}

49
src/com/android/settings/accessibility/ToggleFeaturePreferenceFragment.java
View File

@@ -92,9 +92,6 @@ public abstract class ToggleFeaturePreferenceFragment
super.onViewCreated(view, savedInstanceState);
onInstallActionBarToggleSwitch();
onProcessArguments(getArguments());
// Set a transparent drawable to prevent use of the default one.
getListView().setSelector(new ColorDrawable(Color.TRANSPARENT));
getListView().setDivider(null);
}
@Override
@@ -135,21 +132,45 @@ public abstract class ToggleFeaturePreferenceFragment
return toggleSwitch;
}
protected void onProcessArguments(Bundle arguments) {
// Key.
mPreferenceKey = arguments.getString(AccessibilitySettings.EXTRA_PREFERENCE_KEY);
// Enabled.
final boolean enabled = arguments.getBoolean(AccessibilitySettings.EXTRA_CHECKED);
mToggleSwitch.setCheckedInternal(enabled);
// Title.
PreferenceActivity activity = (PreferenceActivity) getActivity();
public void setTitle(String title) {
final PreferenceActivity activity = (PreferenceActivity) getActivity();
if (!activity.onIsMultiPane() || activity.onIsHidingHeaders()) {
mOldActivityTitle = getActivity().getTitle();
String title = arguments.getString(AccessibilitySettings.EXTRA_TITLE);
getActivity().getActionBar().setTitle(title);
}
}
protected void onProcessArguments(Bundle arguments) {
if (arguments == null) {
getPreferenceScreen().removePreference(mSummaryPreference);
return;
}
// Key.
mPreferenceKey = arguments.getString(AccessibilitySettings.EXTRA_PREFERENCE_KEY);
// Enabled.
if (arguments.containsKey(AccessibilitySettings.EXTRA_CHECKED)) {
final boolean enabled = arguments.getBoolean(AccessibilitySettings.EXTRA_CHECKED);
mToggleSwitch.setCheckedInternal(enabled);
}
// Title.
if (arguments.containsKey(AccessibilitySettings.EXTRA_TITLE)) {
setTitle(arguments.getString(AccessibilitySettings.EXTRA_TITLE));
}
// Summary.
CharSequence summary = arguments.getCharSequence(AccessibilitySettings.EXTRA_SUMMARY);
mSummaryPreference.setSummary(summary);
if (arguments.containsKey(AccessibilitySettings.EXTRA_SUMMARY)) {
final CharSequence summary = arguments.getCharSequence(
AccessibilitySettings.EXTRA_SUMMARY);
mSummaryPreference.setSummary(summary);
// Set a transparent drawable to prevent use of the default one.
getListView().setSelector(new ColorDrawable(Color.TRANSPARENT));
getListView().setDivider(null);
} else {
getPreferenceScreen().removePreference(mSummaryPreference);
}
}
}

105
src/com/android/settings/accessibility/ToggleInversionPreferenceFragment.java Normal file
View File

@@ -0,0 +1,105 @@
/*
* Copyright (C) 2013 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.settings.accessibility;
import android.accessibilityservice.AccessibilityService;
import android.os.Bundle;
import android.preference.CheckBoxPreference;
import android.preference.ListPreference;
import android.preference.Preference;
import android.preference.PreferenceScreen;
import android.preference.SeekBarPreference;
import android.provider.Settings;
import android.view.View;
import android.view.accessibility.AccessibilityManager;
import android.widget.CompoundButton;
import android.widget.CompoundButton.OnCheckedChangeListener;
import com.android.settings.R;
import com.android.settings.accessibility.ToggleSwitch.OnBeforeCheckedChangeListener;
public class ToggleInversionPreferenceFragment extends ToggleFeaturePreferenceFragment
implements Preference.OnPreferenceChangeListener {
private static final String ENABLED = Settings.Secure.ACCESSIBILITY_DISPLAY_INVERSION_ENABLED;
private static final String TYPE = Settings.Secure.ACCESSIBILITY_DISPLAY_INVERSION;
private static final String QUICK_SETTING_ENABLED =
Settings.Secure.ACCESSIBILITY_DISPLAY_INVERSION_QUICK_SETTING_ENABLED;
private static final int DEFAULT_TYPE = AccessibilityManager.INVERSION_STANDARD;
private CheckBoxPreference mEnableQuickSetting;
private ListPreference mType;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
addPreferencesFromResource(R.xml.accessibility_inversion_settings);
mEnableQuickSetting = (CheckBoxPreference) findPreference("enable_quick_setting");
mType = (ListPreference) findPreference("type");
initPreferences();
}
@Override
protected void onPreferenceToggled(String preferenceKey, boolean enabled) {
Settings.Secure.putInt(getContentResolver(), ENABLED, enabled ? 1 : 0);
}
@Override
public boolean onPreferenceChange(Preference preference, Object newValue) {
if (preference == mEnableQuickSetting) {
Settings.Secure.putInt(
getContentResolver(), QUICK_SETTING_ENABLED, ((Boolean) newValue) ? 1 : 0);
} else if (preference == mType) {
Settings.Secure.putInt(getContentResolver(), TYPE, Integer.parseInt((String) newValue));
}
return true;
}
@Override
public void onViewCreated(View view, Bundle savedInstanceState) {
super.onViewCreated(view, savedInstanceState);
setTitle(getString(R.string.accessibility_display_inversion_preference_title));
}
@Override
protected void onInstallActionBarToggleSwitch() {
super.onInstallActionBarToggleSwitch();
mToggleSwitch.setCheckedInternal(
Settings.Secure.getInt(getContentResolver(), ENABLED, 0) == 1);
mToggleSwitch.setOnCheckedChangeListener(new OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton button, boolean checked) {
onPreferenceToggled(mPreferenceKey, checked);
}
});
}
private void initPreferences() {
mEnableQuickSetting.setChecked(
Settings.Secure.getInt(getContentResolver(), QUICK_SETTING_ENABLED, 0) == 1);
mEnableQuickSetting.setOnPreferenceChangeListener(this);
mType.setValue(
Integer.toString(Settings.Secure.getInt(getContentResolver(), TYPE, DEFAULT_TYPE)));
mType.setOnPreferenceChangeListener(this);
}
}