1 /* 2 * Copyright (C) 2015 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; 18 19 import android.app.Activity; 20 import android.content.Context; 21 import android.content.Intent; 22 import android.content.pm.ApplicationInfo; 23 import android.content.pm.PackageManager; 24 import android.content.pm.ResolveInfo; 25 import android.os.Bundle; 26 import android.provider.SearchIndexableResource; 27 import android.support.v7.preference.PreferenceGroup; 28 29 import com.android.internal.logging.nano.MetricsProto.MetricsEvent; 30 import com.android.settings.search.BaseSearchIndexProvider; 31 import com.android.settings.search.Indexable; 32 33 import java.util.ArrayList; 34 import java.util.Arrays; 35 import java.util.List; 36 37 public class LegalSettings extends SettingsPreferenceFragment implements Indexable { 38 39 private static final String KEY_TERMS = "terms"; 40 private static final String KEY_LICENSE = "license"; 41 private static final String KEY_COPYRIGHT = "copyright"; 42 private static final String KEY_WEBVIEW_LICENSE = "webview_license"; 43 private static final String KEY_WALLPAPER_ATTRIBUTIONS = "wallpaper_attributions"; 44 onCreate(Bundle icicle)45 public void onCreate(Bundle icicle) { 46 super.onCreate(icicle); 47 addPreferencesFromResource(R.xml.about_legal); 48 49 final Activity act = getActivity(); 50 // These are contained in the "container" preference group 51 PreferenceGroup parentPreference = getPreferenceScreen(); 52 Utils.updatePreferenceToSpecificActivityOrRemove(act, parentPreference, KEY_TERMS, 53 Utils.UPDATE_PREFERENCE_FLAG_SET_TITLE_TO_MATCHING_ACTIVITY); 54 Utils.updatePreferenceToSpecificActivityOrRemove(act, parentPreference, KEY_LICENSE, 55 Utils.UPDATE_PREFERENCE_FLAG_SET_TITLE_TO_MATCHING_ACTIVITY); 56 Utils.updatePreferenceToSpecificActivityOrRemove(act, parentPreference, KEY_COPYRIGHT, 57 Utils.UPDATE_PREFERENCE_FLAG_SET_TITLE_TO_MATCHING_ACTIVITY); 58 Utils.updatePreferenceToSpecificActivityOrRemove(act, parentPreference, KEY_WEBVIEW_LICENSE, 59 Utils.UPDATE_PREFERENCE_FLAG_SET_TITLE_TO_MATCHING_ACTIVITY); 60 } 61 62 @Override getMetricsCategory()63 public int getMetricsCategory() { 64 return MetricsEvent.ABOUT_LEGAL_SETTINGS; 65 } 66 67 public static final SearchIndexProvider SEARCH_INDEX_DATA_PROVIDER = 68 new BaseSearchIndexProvider() { 69 70 @Override 71 public List<SearchIndexableResource> getXmlResourcesToIndex( 72 Context context, boolean enabled) { 73 final SearchIndexableResource sir = new SearchIndexableResource(context); 74 sir.xmlResId = R.xml.about_legal; 75 return Arrays.asList(sir); 76 } 77 78 @Override 79 public List<String> getNonIndexableKeys(Context context) { 80 final List<String> keys = super.getNonIndexableKeys(context); 81 if (!checkIntentAction(context, "android.settings.TERMS")) { 82 keys.add(KEY_TERMS); 83 } 84 if (!checkIntentAction(context, "android.settings.LICENSE")) { 85 keys.add(KEY_LICENSE); 86 } 87 if (!checkIntentAction(context, "android.settings.COPYRIGHT")) { 88 keys.add(KEY_COPYRIGHT); 89 } 90 if (!checkIntentAction(context, "android.settings.WEBVIEW_LICENSE")) { 91 keys.add(KEY_WEBVIEW_LICENSE); 92 } 93 keys.add(KEY_WALLPAPER_ATTRIBUTIONS); 94 return keys; 95 } 96 97 private boolean checkIntentAction(Context context, String action) { 98 final Intent intent = new Intent(action); 99 100 // Find the activity that is in the system image 101 final PackageManager pm = context.getPackageManager(); 102 final List<ResolveInfo> list = pm.queryIntentActivities(intent, 0); 103 final int listSize = list.size(); 104 105 for (int i = 0; i < listSize; i++) { 106 ResolveInfo resolveInfo = list.get(i); 107 if ((resolveInfo.activityInfo.applicationInfo.flags & 108 ApplicationInfo.FLAG_SYSTEM) != 0) { 109 return true; 110 } 111 } 112 113 return false; 114 } 115 }; 116 117 } 118