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Allows for system navigation settings to be added dynamically.

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This allows for controller-backed preferences to be added or
overridden via xml.

Similarly, if the controllers cause all of the preferences for
2 or 3 button nav to be unavailable, we hide the settings button.

Bug: 324036308
Test: Manual and unit tests
Flag: NA
Change-Id: I2371f3173076172489966728ac69c8767570cd56
Merged-In: I2371f3173076172489966728ac69c8767570cd56
This commit is contained in:
Andy Wickham
2024-03-08 03:26:35 +00:00
parent 4115a9a278
commit 9aa1c402ae
6 changed files with 133 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
res/values/strings.xml
View File

@@ -10478,7 +10478,7 @@
<string name="back_sensitivity_dialog_title">Back Sensitivity</string>
<!-- Title for the screen to show all the gesture navigation settings [CHAR LIMIT=80] -->
<string name="gesture_settings_activity_title">Gesture Navigation Sensitivity</string>
<string name="gesture_settings_activity_title">Gesture Navigation</string>
<!-- Title for the screen to show all the 2- and 3-button navigation settings. [CHAR LIMIT=80] -->
<string name="button_navigation_settings_activity_title">Button navigation</string>

21
src/com/android/settings/core/PreferenceControllerListHelper.java
View File

@@ -27,6 +27,8 @@ import android.text.TextUtils;
import android.util.Log;
import androidx.annotation.NonNull;
import androidx.preference.PreferenceManager;
import androidx.preference.PreferenceScreen;
import com.android.settings.core.PreferenceXmlParserUtils.MetadataFlag;
import com.android.settingslib.core.AbstractPreferenceController;
@@ -93,6 +95,25 @@ public class PreferenceControllerListHelper {
return controllers;
}
/**
* Checks if the given PreferenceScreen will be empty due to all preferences being unavailable.
*
* @param xmlResId resource id of the PreferenceScreen to check
* @return {@code true} if none of the preferences in the given screen will appear
*/
public static boolean areAllPreferencesUnavailable(@NonNull Context context,
@NonNull PreferenceManager preferenceManager, @XmlRes int xmlResId) {
PreferenceScreen screen = preferenceManager.inflateFromResource(context, xmlResId,
/* rootPreferences= */ null);
List<BasePreferenceController> preferenceControllers =
getPreferenceControllersFromXml(context, xmlResId);
if (screen.getPreferenceCount() != preferenceControllers.size()) {
// There are some preferences without controllers, which will show regardless.
return false;
}
return preferenceControllers.stream().noneMatch(BasePreferenceController::isAvailable);
}
/**
* Return a sub list of {@link AbstractPreferenceController} to only contain controller that
* doesn't exist in filter.

19
src/com/android/settings/gestures/SystemNavigationGestureSettings.java
View File

@@ -43,6 +43,8 @@ import androidx.preference.PreferenceScreen;
import com.android.settings.R;
import com.android.settings.accessibility.AccessibilityGestureNavigationTutorial;
import com.android.settings.core.BasePreferenceController;
import com.android.settings.core.PreferenceControllerListHelper;
import com.android.settings.core.SubSettingLauncher;
import com.android.settings.dashboard.suggestions.SuggestionFeatureProvider;
import com.android.settings.overlay.FeatureFactory;
@@ -147,14 +149,20 @@ public class SystemNavigationGestureSettings extends RadioButtonPickerFragment i
final PreferenceScreen screen = getPreferenceScreen();
screen.removeAll();
screen.addPreference(mVideoPreference);
addPreferencesFromResource(getPreferenceScreenResId());
final List<BasePreferenceController> preferenceControllers = PreferenceControllerListHelper
.getPreferenceControllersFromXml(getContext(), getPreferenceScreenResId());
preferenceControllers.forEach(controller -> {
controller.updateState(findPreference(controller.getPreferenceKey()));
controller.displayPreference(screen);
});
final List<? extends CandidateInfo> candidateList = getCandidates();
if (candidateList == null) {
return;
}
for (CandidateInfo info : candidateList) {
SelectorWithWidgetPreference pref =
new SelectorWithWidgetPreference(getPrefContext());
SelectorWithWidgetPreference pref = new SelectorWithWidgetPreference(getPrefContext());
bindPreference(pref, info.getKey(), info, defaultKey);
bindPreferenceExtra(pref, info.getKey(), info, defaultKey, systemDefaultKey);
screen.addPreference(pref);
@@ -176,8 +184,11 @@ public class SystemNavigationGestureSettings extends RadioButtonPickerFragment i
GestureNavigationSettingsFragment.GESTURE_NAVIGATION_SETTINGS)));
}
if (KEY_SYSTEM_NAV_2BUTTONS.equals(info.getKey()) || KEY_SYSTEM_NAV_3BUTTONS.equals(
info.getKey())) {
if ((KEY_SYSTEM_NAV_2BUTTONS.equals(info.getKey())
|| KEY_SYSTEM_NAV_3BUTTONS.equals(info.getKey()))
// Don't add the settings button if that page will be blank.
&& !PreferenceControllerListHelper.areAllPreferencesUnavailable(
getContext(), getPreferenceManager(), R.xml.button_navigation_settings)) {
pref.setExtraWidgetOnClickListener((v) ->
new SubSettingLauncher(getContext())
.setDestination(ButtonNavigationSettingsFragment.class.getName())

36
tests/robotests/res/xml-mcc997/location_settings.xml Normal file
View File

@@ -0,0 +1,36 @@
<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright (C) 2024 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.
-->
<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:settings="http://schemas.android.com/apk/res-auto"
android:key="fake_title_key"
android:title="screen_title">
<Preference
android:key="key1"
android:title="title"
android:icon="@drawable/ic_android"
android:summary="summary1"
settings:controller="com.android.settings.core.UnavailablePreferenceController"/>
<Preference
android:key="key2"
android:title="title"
android:icon="@drawable/ic_android"
android:summary="summary2"
settings:controller="com.android.settings.core.UnavailablePreferenceController"/>
</PreferenceScreen>

28
tests/robotests/src/com/android/settings/core/PreferenceControllerListHelperTest.java
View File

@@ -20,6 +20,8 @@ import static com.google.common.truth.Truth.assertThat;
import android.content.Context;
import androidx.preference.PreferenceManager;
import com.android.settings.R;
import com.android.settings.slices.FakePreferenceController;
import com.android.settingslib.core.AbstractPreferenceController;
@@ -38,10 +40,12 @@ import java.util.List;
public class PreferenceControllerListHelperTest {
private Context mContext;
private PreferenceManager mPreferenceManager;
@Before
public void setUp() {
mContext = RuntimeEnvironment.application;
mPreferenceManager = new PreferenceManager(mContext);
}
@Test
@@ -68,6 +72,30 @@ public class PreferenceControllerListHelperTest {
assertThat(controllers.get(0)).isInstanceOf(FakePreferenceController.class);
}
@Test
@Config(qualifiers = "mcc999")
public void areAllPreferencesUnavailable_allAvailable() {
// All preferences have controllers indicating they are available.
assertThat(PreferenceControllerListHelper.areAllPreferencesUnavailable(mContext,
mPreferenceManager, R.xml.location_settings)).isFalse();
}
@Test
@Config(qualifiers = "mcc997")
public void areAllPreferencesUnavailable_allUnavailable() {
// All preferences have controllers indicating they are unavailable. (note the qualifier)
assertThat(PreferenceControllerListHelper.areAllPreferencesUnavailable(mContext,
mPreferenceManager, R.xml.location_settings)).isTrue();
}
@Test
@Config(qualifiers = "mcc999")
public void areAllPreferencesUnavailable_noControllersShouldAssumeAvailable() {
// None of the preferences have controllers, so they are assumed available.
assertThat(PreferenceControllerListHelper.areAllPreferencesUnavailable(mContext,
mPreferenceManager, R.xml.display_settings)).isFalse();
}
@Test
public void filterControllers_noFilter_shouldReturnSameList() {
final List<BasePreferenceController> controllers = new ArrayList<>();

32
tests/robotests/src/com/android/settings/core/UnavailablePreferenceController.java Normal file
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@@ -0,0 +1,32 @@
/*
* Copyright (C) 2024 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.core;
import android.content.Context;
public class UnavailablePreferenceController extends BasePreferenceController {
public UnavailablePreferenceController(Context context, String preferenceKey) {
super(context, preferenceKey);
}
@Override
public int getAvailabilityStatus() {
return UNSUPPORTED_ON_DEVICE;
}
}