1 /* 2 * Copyright (C) 2013 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.nfc; 18 19 import android.app.settings.SettingsEnums; 20 import android.content.Context; 21 import android.content.pm.PackageManager; 22 import android.content.pm.UserInfo; 23 import android.os.Bundle; 24 import android.os.UserHandle; 25 import android.os.UserManager; 26 import android.view.View; 27 import android.view.ViewGroup; 28 29 import androidx.annotation.VisibleForTesting; 30 import androidx.preference.Preference; 31 import androidx.preference.PreferenceScreen; 32 33 import com.android.internal.hidden_from_bootclasspath.android.permission.flags.Flags; 34 import com.android.settings.R; 35 import com.android.settings.dashboard.DashboardFragment; 36 import com.android.settings.search.BaseSearchIndexProvider; 37 import com.android.settingslib.core.AbstractPreferenceController; 38 import com.android.settingslib.core.lifecycle.Lifecycle; 39 import com.android.settingslib.search.SearchIndexable; 40 41 import java.util.ArrayList; 42 import java.util.List; 43 44 @SearchIndexable 45 public class PaymentSettings extends DashboardFragment { 46 public static final String TAG = "PaymentSettings"; 47 48 private PaymentBackend mPaymentBackend; 49 50 @Override getLogTag()51 protected String getLogTag() { 52 return TAG; 53 } 54 55 @Override getMetricsCategory()56 public int getMetricsCategory() { 57 return SettingsEnums.NFC_PAYMENT; 58 } 59 60 @Override getPreferenceScreenResId()61 protected int getPreferenceScreenResId() { 62 return R.xml.nfc_payment_settings; 63 } 64 65 @Override createPreferenceControllers(Context context)66 protected List<AbstractPreferenceController> createPreferenceControllers(Context context) { 67 return buildPreferenceControllers(context, getSettingsLifecycle()); 68 } 69 buildPreferenceControllers(Context context, Lifecycle lifecycle)70 private static List<AbstractPreferenceController> buildPreferenceControllers(Context context, 71 Lifecycle lifecycle) { 72 final List<AbstractPreferenceController> controllers = new ArrayList<>(); 73 controllers.add(new NfcDefaultPaymentPreferenceController(context, lifecycle)); 74 75 return controllers; 76 } 77 78 @Override onAttach(Context context)79 public void onAttach(Context context) { 80 super.onAttach(context); 81 mPaymentBackend = new PaymentBackend(getActivity()); 82 83 use(NfcForegroundPreferenceController.class).setPaymentBackend(mPaymentBackend); 84 } 85 86 @Override onViewCreated(View view, Bundle savedInstanceState)87 public void onViewCreated(View view, Bundle savedInstanceState) { 88 super.onViewCreated(view, savedInstanceState); 89 if (isShowEmptyImage(getPreferenceScreen())) { 90 View emptyView = getActivity().getLayoutInflater().inflate( 91 R.layout.nfc_payment_empty, null, false); 92 ((ViewGroup) view.findViewById(android.R.id.list_container)).addView(emptyView); 93 } 94 } 95 96 @Override onResume()97 public void onResume() { 98 super.onResume(); 99 mPaymentBackend.onResume(); 100 } 101 102 @Override onPause()103 public void onPause() { 104 super.onPause(); 105 mPaymentBackend.onPause(); 106 } 107 108 @VisibleForTesting isShowEmptyImage(PreferenceScreen screen)109 boolean isShowEmptyImage(PreferenceScreen screen) { 110 for (int i = 0; i < screen.getPreferenceCount(); i++) { 111 final Preference preference = screen.getPreference(i); 112 if(preference.isVisible()) { 113 return false; 114 } 115 } 116 return true; 117 } 118 119 public static final BaseSearchIndexProvider SEARCH_INDEX_DATA_PROVIDER = 120 new BaseSearchIndexProvider(R.xml.nfc_payment_settings) { 121 122 @Override 123 protected boolean isPageSearchEnabled(Context context) { 124 if (Flags.walletRoleEnabled()) { 125 return false; 126 } 127 final UserManager userManager = context.getSystemService(UserManager.class); 128 final UserInfo myUserInfo = userManager.getUserInfo(UserHandle.myUserId()); 129 if (myUserInfo.isGuest()) { 130 return false; 131 } 132 final PackageManager pm = context.getPackageManager(); 133 return pm.hasSystemFeature(PackageManager.FEATURE_NFC); 134 } 135 }; 136 } 137