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Merge "Refactor SettingsContentObserver and add it to follow typing feature."

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This commit is contained in:
Daniel Hsieh
2022-01-20 11:51:21 +00:00
committed by Android (Google) Code Review
parent 8662e4642e 55bc49860b
commit 32420a07db
16 changed files with 489 additions and 168 deletions
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12
src/com/android/settings/accessibility/AccessibilitySettings.java
View File

@@ -30,7 +30,6 @@ import android.content.pm.ResolveInfo;
import android.content.pm.ServiceInfo;
import android.graphics.Color;
import android.graphics.drawable.Drawable;
import android.net.Uri;
import android.os.Bundle;
import android.os.Handler;
import android.os.UserHandle;
@@ -147,7 +146,7 @@ public class AccessibilitySettings extends DashboardFragment {
};
@VisibleForTesting
final SettingsContentObserver mSettingsContentObserver;
final AccessibilitySettingsContentObserver mSettingsContentObserver;
private final Map<String, PreferenceCategory> mCategoryToPrefCategoryMap =
new ArrayMap<>();
@@ -171,12 +170,9 @@ public class AccessibilitySettings extends DashboardFragment {
// Observe changes from accessibility selection menu
shortcutFeatureKeys.add(Settings.Secure.ACCESSIBILITY_BUTTON_TARGETS);
shortcutFeatureKeys.add(Settings.Secure.ACCESSIBILITY_SHORTCUT_TARGET_SERVICE);
mSettingsContentObserver = new SettingsContentObserver(mHandler, shortcutFeatureKeys) {
@Override
public void onChange(boolean selfChange, Uri uri) {
onContentChanged();
}
};
mSettingsContentObserver = new AccessibilitySettingsContentObserver(mHandler);
mSettingsContentObserver.registerKeysToObserverCallback(shortcutFeatureKeys,
key -> onContentChanged());
}
@Override

132
src/com/android/settings/accessibility/AccessibilitySettingsContentObserver.java Normal file
View File

@@ -0,0 +1,132 @@
/*
* Copyright (C) 2022 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.content.ContentResolver;
import android.database.ContentObserver;
import android.net.Uri;
import android.os.Handler;
import android.provider.Settings;
import android.util.Log;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
class AccessibilitySettingsContentObserver extends ContentObserver {
private static final String TAG = "AccessibilitySettingsContentObserver";
public interface ContentObserverCallback {
void onChange(String key);
}
// Key: Preference key's uri, Value: Preference key
private final Map<Uri, String> mUriToKey = new HashMap<>(2);
// Key: Collection of preference keys, Value: onChange callback for keys
private final Map<List<String>, ContentObserverCallback> mUrisToCallback = new HashMap<>();
AccessibilitySettingsContentObserver(Handler handler) {
super(handler);
// default key to be observed
addDefaultKeysToMap();
}
public void register(ContentResolver contentResolver) {
for (Uri uri : mUriToKey.keySet()) {
contentResolver.registerContentObserver(uri, false, this);
}
}
public void unregister(ContentResolver contentResolver) {
contentResolver.unregisterContentObserver(this);
}
private void addDefaultKeysToMap() {
addKeyToMap(Settings.Secure.ACCESSIBILITY_ENABLED);
addKeyToMap(Settings.Secure.ENABLED_ACCESSIBILITY_SERVICES);
}
private boolean isDefaultKey(String key) {
return Settings.Secure.ACCESSIBILITY_ENABLED.equals(key)
|| Settings.Secure.ENABLED_ACCESSIBILITY_SERVICES.equals(key);
}
private void addKeyToMap(String key) {
mUriToKey.put(Settings.Secure.getUriFor(key), key);
}
/**
* {@link ContentObserverCallback} is added to {@link ContentObserver} to handle the
* onChange event triggered by the key collection of {@code keysToObserve} and the default
* keys.
*
* Note: The following key are default to be observed.
* {@link Settings.Secure.ACCESSIBILITY_ENABLED}
* {@link Settings.Secure.ENABLED_ACCESSIBILITY_SERVICES}
*
* @param keysToObserve A collection of keys which are going to be observed.
* @param observerCallback A callback which is used to handle the onChange event triggered
* by the key collection of {@code keysToObserve}.
*/
public void registerKeysToObserverCallback(List<String> keysToObserve,
ContentObserverCallback observerCallback) {
for (String key: keysToObserve) {
addKeyToMap(key);
}
mUrisToCallback.put(keysToObserve, observerCallback);
}
/**
* {@link ContentObserverCallback} is added to {@link ContentObserver} to handle the
* onChange event triggered by the default keys.
*
* Note: The following key are default to be observed.
* {@link Settings.Secure.ACCESSIBILITY_ENABLED}
* {@link Settings.Secure.ENABLED_ACCESSIBILITY_SERVICES}
*
* @param observerCallback A callback which is used to handle the onChange event triggered
* * by the key collection of {@code keysToObserve}.
*/
public void registerObserverCallback(ContentObserverCallback observerCallback) {
mUrisToCallback.put(Collections.emptyList(), observerCallback);
}
@Override
public final void onChange(boolean selfChange, Uri uri) {
final String key = mUriToKey.get(uri);
if (key == null) {
Log.w(TAG, "AccessibilitySettingsContentObserver can not find the key for "
+ "uri: " + uri);
return;
}
for (List<String> keys : mUrisToCallback.keySet()) {
final boolean isDefaultKey = isDefaultKey(key);
if (isDefaultKey || keys.contains(key)) {
mUrisToCallback.get(keys).onChange(key);
}
}
}
}

15
src/com/android/settings/accessibility/AccessibilityShortcutPreferenceFragment.java
View File

@@ -25,7 +25,6 @@ import android.content.ComponentName;
import android.content.Context;
import android.content.DialogInterface;
import android.icu.text.CaseMap;
import android.net.Uri;
import android.os.Bundle;
import android.os.Handler;
import android.provider.Settings;
@@ -64,7 +63,7 @@ public abstract class AccessibilityShortcutPreferenceFragment extends DashboardF
protected ShortcutPreference mShortcutPreference;
private AccessibilityManager.TouchExplorationStateChangeListener
mTouchExplorationStateChangeListener;
private SettingsContentObserver mSettingsContentObserver;
private AccessibilitySettingsContentObserver mSettingsContentObserver;
private CheckBox mSoftwareTypeCheckBox;
private CheckBox mHardwareTypeCheckBox;
@@ -98,13 +97,11 @@ public abstract class AccessibilityShortcutPreferenceFragment extends DashboardF
final List<String> shortcutFeatureKeys = new ArrayList<>();
shortcutFeatureKeys.add(Settings.Secure.ACCESSIBILITY_BUTTON_TARGETS);
shortcutFeatureKeys.add(Settings.Secure.ACCESSIBILITY_SHORTCUT_TARGET_SERVICE);
mSettingsContentObserver = new SettingsContentObserver(new Handler(), shortcutFeatureKeys) {
@Override
public void onChange(boolean selfChange, Uri uri) {
updateShortcutPreferenceData();
updateShortcutPreference();
}
};
mSettingsContentObserver = new AccessibilitySettingsContentObserver(new Handler());
mSettingsContentObserver.registerKeysToObserverCallback(shortcutFeatureKeys, key -> {
updateShortcutPreferenceData();
updateShortcutPreference();
});
}
@Override

10
src/com/android/settings/accessibility/MagnificationFollowTypingPreferenceController.java
View File

@@ -35,6 +35,8 @@ import com.android.settings.core.TogglePreferenceController;
public class MagnificationFollowTypingPreferenceController extends TogglePreferenceController
implements LifecycleObserver {
private static final String TAG =
MagnificationFollowTypingPreferenceController.class.getSimpleName();
static final String PREF_KEY = "magnification_follow_typing";
private SwitchPreference mFollowTypingPreference;
@@ -75,6 +77,14 @@ public class MagnificationFollowTypingPreferenceController extends TogglePrefere
// TODO(b/186731461): Remove it when this controller is used in DashBoardFragment only.
@OnLifecycleEvent(Lifecycle.Event.ON_RESUME)
void onResume() {
updateState();
}
/**
* Updates the state of preference components which has been displayed by
* {@link MagnificationFollowTypingPreferenceController#displayPreference}.
*/
void updateState() {
updateState(mFollowTypingPreference);
}
}

55
src/com/android/settings/accessibility/SettingsContentObserver.java
View File

@@ -1,55 +0,0 @@
/*
* 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.content.ContentResolver;
import android.database.ContentObserver;
import android.net.Uri;
import android.os.Handler;
import android.provider.Settings;
import java.util.ArrayList;
import java.util.List;
abstract class SettingsContentObserver extends ContentObserver {
private final List<String> mKeysToObserve = new ArrayList<>(2);
public SettingsContentObserver(Handler handler) {
super(handler);
mKeysToObserve.add(Settings.Secure.ACCESSIBILITY_ENABLED);
mKeysToObserve.add(Settings.Secure.ENABLED_ACCESSIBILITY_SERVICES);
}
public SettingsContentObserver(Handler handler, List<String> keysToObserve) {
this(handler);
mKeysToObserve.addAll(keysToObserve);
}
public void register(ContentResolver contentResolver) {
for (int i = 0; i < mKeysToObserve.size(); i++) {
contentResolver.registerContentObserver(
Settings.Secure.getUriFor(mKeysToObserve.get(i)), false, this);
}
}
public void unregister(ContentResolver contentResolver) {
contentResolver.unregisterContentObserver(this);
}
@Override
public abstract void onChange(boolean selfChange, Uri uri);
}

50
src/com/android/settings/accessibility/ToggleAccessibilityServicePreferenceFragment.java
View File

@@ -35,7 +35,6 @@ import android.content.pm.ResolveInfo;
import android.content.pm.ServiceInfo;
import android.net.Uri;
import android.os.Bundle;
import android.os.Handler;
import android.os.SystemClock;
import android.text.TextUtils;
import android.util.Log;
@@ -65,15 +64,7 @@ public class ToggleAccessibilityServicePreferenceFragment extends
private static final String EMPTY_STRING = "";
private final SettingsContentObserver mSettingsContentObserver =
new SettingsContentObserver(new Handler()) {
@Override
public void onChange(boolean selfChange, Uri uri) {
updateSwitchBarToggleSwitch();
}
};
private Dialog mDialog;
private Dialog mWarningDialog;
private BroadcastReceiver mPackageRemovedReceiver;
private boolean mDisabledStateLogged = false;
private long mStartTimeMillsForLogging = 0;
@@ -108,6 +99,13 @@ public class ToggleAccessibilityServicePreferenceFragment extends
}
}
@Override
protected void registerKeysToObserverCallback(
AccessibilitySettingsContentObserver contentObserver) {
super.registerKeysToObserverCallback(contentObserver);
contentObserver.registerObserverCallback(key -> updateSwitchBarToggleSwitch());
}
@Override
public void onStart() {
super.onStart();
@@ -123,7 +121,11 @@ public class ToggleAccessibilityServicePreferenceFragment extends
public void onResume() {
super.onResume();
updateSwitchBarToggleSwitch();
mSettingsContentObserver.register(getContentResolver());
}
@Override
public void onPause() {
super.onPause();
}
@Override
@@ -172,7 +174,7 @@ public class ToggleAccessibilityServicePreferenceFragment extends
if (info == null) {
return null;
}
mDialog = AccessibilityServiceWarning
mWarningDialog = AccessibilityServiceWarning
.createCapabilitiesDialog(getPrefContext(), info,
this::onDialogButtonFromEnableToggleClicked,
this::onDialogButtonFromUninstallClicked);
@@ -183,7 +185,7 @@ public class ToggleAccessibilityServicePreferenceFragment extends
if (info == null) {
return null;
}
mDialog = AccessibilityServiceWarning
mWarningDialog = AccessibilityServiceWarning
.createCapabilitiesDialog(getPrefContext(), info,
this::onDialogButtonFromShortcutToggleClicked,
this::onDialogButtonFromUninstallClicked);
@@ -194,7 +196,7 @@ public class ToggleAccessibilityServicePreferenceFragment extends
if (info == null) {
return null;
}
mDialog = AccessibilityServiceWarning
mWarningDialog = AccessibilityServiceWarning
.createCapabilitiesDialog(getPrefContext(), info,
this::onDialogButtonFromShortcutClicked,
this::onDialogButtonFromUninstallClicked);
@@ -205,16 +207,16 @@ public class ToggleAccessibilityServicePreferenceFragment extends
if (info == null) {
return null;
}
mDialog = AccessibilityServiceWarning
mWarningDialog = AccessibilityServiceWarning
.createDisableDialog(getPrefContext(), info,
this::onDialogButtonFromDisableToggleClicked);
break;
}
default: {
mDialog = super.onCreateDialog(dialogId);
mWarningDialog = super.onCreateDialog(dialogId);
}
}
return mDialog;
return mWarningDialog;
}
@Override
@@ -402,7 +404,7 @@ public class ToggleAccessibilityServicePreferenceFragment extends
}
private void onDialogButtonFromUninstallClicked() {
mDialog.dismiss();
mWarningDialog.dismiss();
final Intent uninstallIntent = createUninstallPackageActivityIntent();
if (uninstallIntent == null) {
return;
@@ -436,12 +438,12 @@ public class ToggleAccessibilityServicePreferenceFragment extends
mIsDialogShown.set(false);
showPopupDialog(DialogEnums.LAUNCH_ACCESSIBILITY_TUTORIAL);
}
mDialog.dismiss();
mWarningDialog.dismiss();
}
private void onDenyButtonFromEnableToggleClicked() {
handleConfirmServiceEnabled(/* confirmed= */ false);
mDialog.dismiss();
mWarningDialog.dismiss();
}
void onDialogButtonFromShortcutToggleClicked(View view) {
@@ -465,7 +467,7 @@ public class ToggleAccessibilityServicePreferenceFragment extends
mIsDialogShown.set(false);
showPopupDialog(DialogEnums.LAUNCH_ACCESSIBILITY_TUTORIAL);
mDialog.dismiss();
mWarningDialog.dismiss();
mShortcutPreference.setSummary(getShortcutTypeSummary(getPrefContext()));
}
@@ -473,7 +475,7 @@ public class ToggleAccessibilityServicePreferenceFragment extends
private void onDenyButtonFromShortcutToggleClicked() {
mShortcutPreference.setChecked(false);
mDialog.dismiss();
mWarningDialog.dismiss();
}
void onDialogButtonFromShortcutClicked(View view) {
@@ -491,11 +493,11 @@ public class ToggleAccessibilityServicePreferenceFragment extends
mIsDialogShown.set(false);
showPopupDialog(DialogEnums.EDIT_SHORTCUT);
mDialog.dismiss();
mWarningDialog.dismiss();
}
private void onDenyButtonFromShortcutClicked() {
mDialog.dismiss();
mWarningDialog.dismiss();
}
private boolean onPreferenceClick(boolean isChecked) {

25
src/com/android/settings/accessibility/ToggleColorInversionPreferenceFragment.java
View File

@@ -25,7 +25,6 @@ import android.app.settings.SettingsEnums;
import android.content.ContentResolver;
import android.net.Uri;
import android.os.Bundle;
import android.os.Handler;
import android.provider.Settings;
import android.view.LayoutInflater;
import android.view.View;
@@ -41,8 +40,6 @@ import java.util.List;
public class ToggleColorInversionPreferenceFragment extends ToggleFeaturePreferenceFragment {
private static final String ENABLED = Settings.Secure.ACCESSIBILITY_DISPLAY_INVERSION_ENABLED;
private final Handler mHandler = new Handler();
private SettingsContentObserver mSettingsContentObserver;
@Override
public int getMetricsCategory() {
@@ -86,20 +83,22 @@ public class ToggleColorInversionPreferenceFragment extends ToggleFeaturePrefere
.authority(getPrefContext().getPackageName())
.appendPath(String.valueOf(R.raw.accessibility_color_inversion_banner))
.build();
final List<String> enableServiceFeatureKeys = new ArrayList<>(/* initialCapacity= */ 1);
enableServiceFeatureKeys.add(ENABLED);
mSettingsContentObserver = new SettingsContentObserver(mHandler, enableServiceFeatureKeys) {
@Override
public void onChange(boolean selfChange, Uri uri) {
updateSwitchBarToggleSwitch();
}
};
final View view = super.onCreateView(inflater, container, savedInstanceState);
updateFooterPreference();
return view;
}
@Override
protected void registerKeysToObserverCallback(
AccessibilitySettingsContentObserver contentObserver) {
super.registerKeysToObserverCallback(contentObserver);
final List<String> enableServiceFeatureKeys = new ArrayList<>(/* initialCapacity= */ 1);
enableServiceFeatureKeys.add(ENABLED);
contentObserver.registerKeysToObserverCallback(enableServiceFeatureKeys,
key -> updateSwitchBarToggleSwitch());
}
private void updateFooterPreference() {
final String title = getPrefContext().getString(
R.string.accessibility_color_inversion_about_title);
@@ -114,12 +113,10 @@ public class ToggleColorInversionPreferenceFragment extends ToggleFeaturePrefere
public void onResume() {
super.onResume();
updateSwitchBarToggleSwitch();
mSettingsContentObserver.register(getContentResolver());
}
@Override
public void onPause() {
mSettingsContentObserver.unregister(getContentResolver());
super.onPause();
}

27
src/com/android/settings/accessibility/ToggleDaltonizerPreferenceFragment.java
View File

@@ -24,9 +24,7 @@ import static com.android.settings.accessibility.AccessibilityUtil.State.ON;
import android.app.settings.SettingsEnums;
import android.content.Context;
import android.content.res.Resources;
import android.net.Uri;
import android.os.Bundle;
import android.os.Handler;
import android.provider.Settings;
import android.view.LayoutInflater;
import android.view.View;
@@ -53,8 +51,6 @@ public final class ToggleDaltonizerPreferenceFragment extends ToggleFeaturePrefe
private static final String KEY_PREVIEW = "daltonizer_preview";
private static final String KEY_CATEGORY_MODE = "daltonizer_mode_category";
private static final List<AbstractPreferenceController> sControllers = new ArrayList<>();
private final Handler mHandler = new Handler();
private SettingsContentObserver mSettingsContentObserver;
private static List<AbstractPreferenceController> buildPreferenceControllers(Context context,
Lifecycle lifecycle) {
@@ -84,20 +80,22 @@ public final class ToggleDaltonizerPreferenceFragment extends ToggleFeaturePrefe
mComponentName = DALTONIZER_COMPONENT_NAME;
mPackageName = getText(R.string.accessibility_display_daltonizer_preference_title);
mHtmlDescription = getText(R.string.accessibility_display_daltonizer_preference_subtitle);
final List<String> enableServiceFeatureKeys = new ArrayList<>(/* initialCapacity= */ 1);
enableServiceFeatureKeys.add(ENABLED);
mSettingsContentObserver = new SettingsContentObserver(mHandler, enableServiceFeatureKeys) {
@Override
public void onChange(boolean selfChange, Uri uri) {
updateSwitchBarToggleSwitch();
}
};
final View view = super.onCreateView(inflater, container, savedInstanceState);
updateFooterPreference();
return view;
}
@Override
protected void registerKeysToObserverCallback(
AccessibilitySettingsContentObserver contentObserver) {
super.registerKeysToObserverCallback(contentObserver);
final List<String> enableServiceFeatureKeys = new ArrayList<>(/* initialCapacity= */ 1);
enableServiceFeatureKeys.add(ENABLED);
contentObserver.registerKeysToObserverCallback(enableServiceFeatureKeys,
key -> updateSwitchBarToggleSwitch());
}
private void updateFooterPreference() {
final String title = getPrefContext()
.getString(R.string.accessibility_daltonizer_about_title);
@@ -123,8 +121,6 @@ public final class ToggleDaltonizerPreferenceFragment extends ToggleFeaturePrefe
public void onResume() {
super.onResume();
updateSwitchBarToggleSwitch();
mSettingsContentObserver.register(getContentResolver());
for (AbstractPreferenceController controller :
buildPreferenceControllers(getPrefContext(), getSettingsLifecycle())) {
((DaltonizerRadioButtonPreferenceController) controller).setOnChangeListener(this);
@@ -135,7 +131,6 @@ public final class ToggleDaltonizerPreferenceFragment extends ToggleFeaturePrefe
@Override
public void onPause() {
mSettingsContentObserver.unregister(getContentResolver());
for (AbstractPreferenceController controller :
buildPreferenceControllers(getPrefContext(), getSettingsLifecycle())) {
((DaltonizerRadioButtonPreferenceController) controller).setOnChangeListener(null);

24
src/com/android/settings/accessibility/ToggleFeaturePreferenceFragment.java
View File

@@ -99,7 +99,7 @@ public abstract class ToggleFeaturePreferenceFragment extends SettingsPreference
protected static final String KEY_ANIMATED_IMAGE = "animated_image";
private TouchExplorationStateChangeListener mTouchExplorationStateChangeListener;
private SettingsContentObserver mSettingsContentObserver;
private AccessibilitySettingsContentObserver mSettingsContentObserver;
private CheckBox mSoftwareTypeCheckBox;
private CheckBox mHardwareTypeCheckBox;
@@ -143,17 +143,21 @@ public abstract class ToggleFeaturePreferenceFragment extends SettingsPreference
setPreferenceScreen(preferenceScreen);
}
final List<String> shortcutFeatureKeys = getFeatureSettingsKeys();
mSettingsContentObserver = new SettingsContentObserver(new Handler(), shortcutFeatureKeys) {
@Override
public void onChange(boolean selfChange, Uri uri) {
updateShortcutPreferenceData();
updateShortcutPreference();
}
};
mSettingsContentObserver = new AccessibilitySettingsContentObserver(new Handler());
registerKeysToObserverCallback(mSettingsContentObserver);
}
protected List<String> getFeatureSettingsKeys() {
protected void registerKeysToObserverCallback(
AccessibilitySettingsContentObserver contentObserver) {
final List<String> shortcutFeatureKeys = getShortcutFeatureSettingsKeys();
contentObserver.registerKeysToObserverCallback(shortcutFeatureKeys, key -> {
updateShortcutPreferenceData();
updateShortcutPreference();
});
}
protected List<String> getShortcutFeatureSettingsKeys() {
final List<String> shortcutFeatureKeys = new ArrayList<>();
shortcutFeatureKeys.add(Settings.Secure.ACCESSIBILITY_BUTTON_TARGETS);
shortcutFeatureKeys.add(Settings.Secure.ACCESSIBILITY_SHORTCUT_TARGET_SERVICE);

24
src/com/android/settings/accessibility/ToggleReduceBrightColorsPreferenceFragment.java
View File

@@ -22,7 +22,6 @@ import android.content.Context;
import android.hardware.display.ColorDisplayManager;
import android.net.Uri;
import android.os.Bundle;
import android.os.Handler;
import android.provider.Settings;
import android.view.LayoutInflater;
import android.view.View;
@@ -50,8 +49,6 @@ public class ToggleReduceBrightColorsPreferenceFragment extends ToggleFeaturePre
private static final String KEY_INTENSITY = "rbc_intensity";
private static final String KEY_PERSIST = "rbc_persist";
private final Handler mHandler = new Handler();
private SettingsContentObserver mSettingsContentObserver;
private ReduceBrightColorsIntensityPreferenceController mRbcIntensityPreferenceController;
private ReduceBrightColorsPersistencePreferenceController mRbcPersistencePreferenceController;
private ColorDisplayManager mColorDisplayManager;
@@ -67,20 +64,12 @@ public class ToggleReduceBrightColorsPreferenceFragment extends ToggleFeaturePre
mComponentName = AccessibilityShortcutController.REDUCE_BRIGHT_COLORS_COMPONENT_NAME;
mPackageName = getText(R.string.reduce_bright_colors_preference_title);
mHtmlDescription = getText(R.string.reduce_bright_colors_preference_subtitle);
final List<String> enableServiceFeatureKeys = new ArrayList<>(/* initialCapacity= */ 1);
enableServiceFeatureKeys.add(REDUCE_BRIGHT_COLORS_ACTIVATED_KEY);
mRbcIntensityPreferenceController =
new ReduceBrightColorsIntensityPreferenceController(getContext(), KEY_INTENSITY);
mRbcPersistencePreferenceController =
new ReduceBrightColorsPersistencePreferenceController(getContext(), KEY_PERSIST);
mRbcIntensityPreferenceController.displayPreference(getPreferenceScreen());
mRbcPersistencePreferenceController.displayPreference(getPreferenceScreen());
mSettingsContentObserver = new SettingsContentObserver(mHandler, enableServiceFeatureKeys) {
@Override
public void onChange(boolean selfChange, Uri uri) {
updateSwitchBarToggleSwitch();
}
};
mColorDisplayManager = getContext().getSystemService(ColorDisplayManager.class);
final View view = super.onCreateView(inflater, container, savedInstanceState);
// Parent sets the title when creating the view, so set it after calling super
@@ -90,6 +79,17 @@ public class ToggleReduceBrightColorsPreferenceFragment extends ToggleFeaturePre
return view;
}
@Override
protected void registerKeysToObserverCallback(
AccessibilitySettingsContentObserver contentObserver) {
super.registerKeysToObserverCallback(contentObserver);
final List<String> enableServiceFeatureKeys = new ArrayList<>(/* initialCapacity= */ 1);
enableServiceFeatureKeys.add(REDUCE_BRIGHT_COLORS_ACTIVATED_KEY);
contentObserver.registerKeysToObserverCallback(enableServiceFeatureKeys,
key -> updateSwitchBarToggleSwitch());
}
private void updateGeneralCategoryOrder() {
final PreferenceCategory generalCategory = findPreference(KEY_GENERAL_CATEGORY);
final SeekBarPreference intensity = findPreference(KEY_INTENSITY);
@@ -117,12 +117,10 @@ public class ToggleReduceBrightColorsPreferenceFragment extends ToggleFeaturePre
public void onResume() {
super.onResume();
updateSwitchBarToggleSwitch();
mSettingsContentObserver.register(getContentResolver());
}
@Override
public void onPause() {
mSettingsContentObserver.unregister(getContentResolver());
super.onPause();
}

29
src/com/android/settings/accessibility/ToggleScreenMagnificationPreferenceFragment.java
View File

@@ -75,6 +75,7 @@ public class ToggleScreenMagnificationPreferenceFragment extends
new TextUtils.SimpleStringSplitter(COMPONENT_NAME_SEPARATOR);
private DialogCreatable mDialogDelegate;
private MagnificationFollowTypingPreferenceController mFollowTypingPreferenceController;
@Override
public void onCreate(Bundle savedInstanceState) {
@@ -187,11 +188,10 @@ public class ToggleScreenMagnificationPreferenceFragment extends
MagnificationFollowTypingPreferenceController.PREF_KEY);
generalCategory.addPreference(followingTypingSwitchPreference);
final MagnificationFollowTypingPreferenceController followTypingPreferenceController =
new MagnificationFollowTypingPreferenceController(getContext(),
MagnificationFollowTypingPreferenceController.PREF_KEY);
getSettingsLifecycle().addObserver(followTypingPreferenceController);
followTypingPreferenceController.displayPreference(getPreferenceScreen());
mFollowTypingPreferenceController = new MagnificationFollowTypingPreferenceController(
getContext(), MagnificationFollowTypingPreferenceController.PREF_KEY);
getSettingsLifecycle().addObserver(mFollowTypingPreferenceController);
mFollowTypingPreferenceController.displayPreference(getPreferenceScreen());
}
@Override
@@ -293,8 +293,23 @@ public class ToggleScreenMagnificationPreferenceFragment extends
}
@Override
protected List<String> getFeatureSettingsKeys() {
final List<String> shortcutKeys = super.getFeatureSettingsKeys();
protected void registerKeysToObserverCallback(
AccessibilitySettingsContentObserver contentObserver) {
super.registerKeysToObserverCallback(contentObserver);
final List<String> followingTypingKeys = new ArrayList<>();
followingTypingKeys.add(Settings.Secure.ACCESSIBILITY_MAGNIFICATION_FOLLOW_TYPING_ENABLED);
contentObserver.registerKeysToObserverCallback(followingTypingKeys,
key -> updateFollowTypingState());
}
private void updateFollowTypingState() {
mFollowTypingPreferenceController.updateState();
}
@Override
protected List<String> getShortcutFeatureSettingsKeys() {
final List<String> shortcutKeys = super.getShortcutFeatureSettingsKeys();
shortcutKeys.add(Settings.Secure.ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED);
return shortcutKeys;
}