1 /* 2 * Copyright (C) 2016 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 package com.android.settings.system; 17 18 import android.content.Context; 19 import android.os.Bundle; 20 import android.provider.SearchIndexableResource; 21 import android.support.v7.preference.Preference; 22 import android.support.v7.preference.PreferenceGroup; 23 import android.support.v7.preference.PreferenceScreen; 24 25 import com.android.internal.logging.nano.MetricsProto; 26 import com.android.settings.R; 27 import com.android.settings.backup.BackupSettingsActivityPreferenceController; 28 import com.android.settings.dashboard.DashboardFragment; 29 import com.android.settings.search.BaseSearchIndexProvider; 30 import com.android.settings.search.Indexable; 31 32 import java.util.Arrays; 33 import java.util.List; 34 35 public class SystemDashboardFragment extends DashboardFragment { 36 37 private static final String TAG = "SystemDashboardFrag"; 38 39 private static final String KEY_RESET = "reset_dashboard"; 40 41 @Override onCreate(Bundle icicle)42 public void onCreate(Bundle icicle) { 43 super.onCreate(icicle); 44 45 final PreferenceScreen screen = getPreferenceScreen(); 46 // We do not want to display an advanced button if only one setting is hidden 47 if (getVisiblePreferenceCount(screen) == screen.getInitialExpandedChildrenCount() + 1) { 48 screen.setInitialExpandedChildrenCount(Integer.MAX_VALUE); 49 } 50 } 51 52 @Override getMetricsCategory()53 public int getMetricsCategory() { 54 return MetricsProto.MetricsEvent.SETTINGS_SYSTEM_CATEGORY; 55 } 56 57 @Override getLogTag()58 protected String getLogTag() { 59 return TAG; 60 } 61 62 @Override getPreferenceScreenResId()63 protected int getPreferenceScreenResId() { 64 return R.xml.system_dashboard_fragment; 65 } 66 67 @Override getHelpResource()68 public int getHelpResource() { 69 return R.string.help_url_system_dashboard; 70 } 71 getVisiblePreferenceCount(PreferenceGroup group)72 private int getVisiblePreferenceCount(PreferenceGroup group) { 73 int visibleCount = 0; 74 for (int i = 0; i < group.getPreferenceCount(); i++) { 75 final Preference preference = group.getPreference(i); 76 if (preference instanceof PreferenceGroup) { 77 visibleCount += getVisiblePreferenceCount((PreferenceGroup) preference); 78 } else if (preference.isVisible()) { 79 visibleCount++; 80 } 81 } 82 return visibleCount; 83 } 84 85 /** 86 * For Search. 87 */ 88 public static final Indexable.SearchIndexProvider SEARCH_INDEX_DATA_PROVIDER = 89 new BaseSearchIndexProvider() { 90 @Override 91 public List<SearchIndexableResource> getXmlResourcesToIndex( 92 Context context, boolean enabled) { 93 final SearchIndexableResource sir = new SearchIndexableResource(context); 94 sir.xmlResId = R.xml.system_dashboard_fragment; 95 return Arrays.asList(sir); 96 } 97 98 @Override 99 public List<String> getNonIndexableKeys(Context context) { 100 List<String> keys = super.getNonIndexableKeys(context); 101 keys.add((new BackupSettingsActivityPreferenceController( 102 context).getPreferenceKey())); 103 keys.add(KEY_RESET); 104 return keys; 105 } 106 }; 107 }