1 /** 2 * Copyright (C) 2024 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.settings.regionalpreferences; 18 19 import android.app.settings.SettingsEnums; 20 import android.content.Context; 21 import android.os.Bundle; 22 import android.provider.Settings; 23 import android.view.LayoutInflater; 24 import android.view.View; 25 import android.view.ViewGroup; 26 27 import androidx.annotation.NonNull; 28 import androidx.annotation.Nullable; 29 import androidx.core.view.accessibility.AccessibilityNodeInfoCompat; 30 import androidx.core.view.accessibility.AccessibilityNodeInfoCompat.CollectionInfoCompat; 31 import androidx.preference.PreferenceRecyclerViewAccessibilityDelegate; 32 import androidx.recyclerview.widget.RecyclerView; 33 34 import com.android.settings.R; 35 import com.android.settings.dashboard.DashboardFragment; 36 import com.android.settings.flags.Flags; 37 import com.android.settings.overlay.FeatureFactory; 38 import com.android.settings.search.BaseSearchIndexProvider; 39 import com.android.settingslib.core.AbstractPreferenceController; 40 import com.android.settingslib.core.instrumentation.MetricsFeatureProvider; 41 import com.android.settingslib.search.SearchIndexable; 42 43 import java.util.ArrayList; 44 import java.util.Collection; 45 import java.util.List; 46 47 /** Main fragment to display measurement system. */ 48 @SearchIndexable(forTarget = SearchIndexable.ALL & ~SearchIndexable.ARC) 49 public class MeasurementSystemItemFragment extends DashboardFragment { 50 51 private static final String LOG_TAG = "MeasurementSystemItemFragment"; 52 private static final String KEY_PREFERENCE_CATEGORY_MEASUREMENT_SYSTEM_ITEM = 53 "measurement_system_item_category"; 54 55 @Override onAttach(@onNull Context context)56 public void onAttach(@NonNull Context context) { 57 super.onAttach(context); 58 59 MetricsFeatureProvider metricsFeatureProvider = 60 FeatureFactory.getFeatureFactory().getMetricsFeatureProvider(); 61 String action = getIntent() != null ? getIntent().getAction() : ""; 62 if (Settings.ACTION_MEASUREMENT_SYSTEM_SETTINGS.equals(action)) { 63 metricsFeatureProvider.action( 64 context, SettingsEnums.ACTION_OPEN_MEASUREMENT_SYSTEM_OUTSIDE_SETTINGS); 65 } 66 } 67 68 @NonNull 69 @Override onCreateRecyclerView( @onNull LayoutInflater inflater, @NonNull ViewGroup parent, @Nullable Bundle savedInstanceState)70 public RecyclerView onCreateRecyclerView( 71 @NonNull LayoutInflater inflater, @NonNull ViewGroup parent, 72 @Nullable Bundle savedInstanceState) { 73 74 // Talkback shouldn't announce in list numbers 75 final RecyclerView recyclerView = 76 super.onCreateRecyclerView(inflater, parent, savedInstanceState); 77 recyclerView.setAccessibilityDelegateCompat( 78 new PreferenceRecyclerViewAccessibilityDelegate(recyclerView) { 79 @Override 80 public void onInitializeAccessibilityNodeInfo(@NonNull View host, 81 @NonNull AccessibilityNodeInfoCompat info) { 82 super.onInitializeAccessibilityNodeInfo(host, info); 83 int availableCount = (int) getPreferenceControllers() 84 .stream() 85 .flatMap(Collection::stream) 86 .filter(AbstractPreferenceController::isAvailable) 87 .count(); 88 info.setCollectionInfo( 89 CollectionInfoCompat.obtain( 90 /*rowCount=*/availableCount, 91 /*columnCount=*/1, 92 /*hierarchical=*/false, 93 CollectionInfoCompat.SELECTION_MODE_SINGLE) 94 ); 95 } 96 }); 97 return recyclerView; 98 } 99 100 @Override getPreferenceScreenResId()101 protected int getPreferenceScreenResId() { 102 return R.xml.regional_preferences_measurement_system; 103 } 104 105 @Override getMetricsCategory()106 public int getMetricsCategory() { 107 return SettingsEnums.MEASUREMENT_SYSTEM_PREFERENCE; 108 } 109 110 @Override getLogTag()111 protected String getLogTag() { 112 return LOG_TAG; 113 } 114 115 @Override createPreferenceControllers(Context context)116 protected List<AbstractPreferenceController> createPreferenceControllers(Context context) { 117 final List<AbstractPreferenceController> controllers = new ArrayList<>(); 118 controllers.add(new MeasurementSystemItemCategoryController(context, 119 KEY_PREFERENCE_CATEGORY_MEASUREMENT_SYSTEM_ITEM)); 120 return controllers; 121 } 122 123 public static final BaseSearchIndexProvider SEARCH_INDEX_DATA_PROVIDER = 124 new BaseSearchIndexProvider(R.xml.regional_preferences_measurement_system) { 125 @Override 126 protected boolean isPageSearchEnabled(Context context) { 127 if (!Flags.regionalPreferencesApiEnabled()) { 128 return false; 129 } 130 return true; 131 } 132 }; 133 } 134