00dbb74b8d
Allow users to configure they want to favor the foreground app for tap&pay. Change-Id: I25e1058e84f468e47fd40f43b65389c04373a3ab
107 lines
3.7 KiB
Java
107 lines
3.7 KiB
Java
/*
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* Copyright (C) 2013 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.settings.nfc;
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import android.content.ComponentName;
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import android.content.Context;
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import android.content.pm.PackageManager;
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import android.graphics.drawable.Drawable;
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import android.nfc.NfcAdapter;
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import android.nfc.cardemulation.ApduServiceInfo;
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import android.nfc.cardemulation.CardEmulation;
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import android.provider.Settings;
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import android.provider.Settings.SettingNotFoundException;
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import java.util.ArrayList;
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import java.util.List;
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public class PaymentBackend {
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public static final String TAG = "Settings.PaymentBackend";
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public static class PaymentAppInfo {
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CharSequence caption;
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Drawable banner;
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boolean isDefault;
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public ComponentName componentName;
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}
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private final Context mContext;
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private final NfcAdapter mAdapter;
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private final CardEmulation mCardEmuManager;
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public PaymentBackend(Context context) {
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mContext = context;
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mAdapter = NfcAdapter.getDefaultAdapter(context);
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mCardEmuManager = CardEmulation.getInstance(mAdapter);
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}
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public List<PaymentAppInfo> getPaymentAppInfos() {
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PackageManager pm = mContext.getPackageManager();
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List<ApduServiceInfo> serviceInfos =
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mCardEmuManager.getServices(CardEmulation.CATEGORY_PAYMENT);
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List<PaymentAppInfo> appInfos = new ArrayList<PaymentAppInfo>();
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if (serviceInfos == null) return appInfos;
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ComponentName defaultApp = getDefaultPaymentApp();
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for (ApduServiceInfo service : serviceInfos) {
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PaymentAppInfo appInfo = new PaymentAppInfo();
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appInfo.banner = service.loadBanner(pm);
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appInfo.caption = service.getDescription();
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if (appInfo.caption == null) {
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appInfo.caption = service.loadLabel(pm);
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}
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appInfo.isDefault = service.getComponent().equals(defaultApp);
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appInfo.componentName = service.getComponent();
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appInfos.add(appInfo);
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}
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return appInfos;
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}
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boolean isForegroundMode() {
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try {
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return Settings.Secure.getInt(mContext.getContentResolver(),
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Settings.Secure.NFC_PAYMENT_FOREGROUND) != 0;
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} catch (SettingNotFoundException e) {
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return false;
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}
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}
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void setForegroundMode(boolean foreground) {
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Settings.Secure.putInt(mContext.getContentResolver(),
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Settings.Secure.NFC_PAYMENT_FOREGROUND, foreground ? 1 : 0) ;
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}
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ComponentName getDefaultPaymentApp() {
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String componentString = Settings.Secure.getString(mContext.getContentResolver(),
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Settings.Secure.NFC_PAYMENT_DEFAULT_COMPONENT);
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if (componentString != null) {
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return ComponentName.unflattenFromString(componentString);
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} else {
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return null;
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}
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}
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public void setDefaultPaymentApp(ComponentName app) {
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Settings.Secure.putString(mContext.getContentResolver(),
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Settings.Secure.NFC_PAYMENT_DEFAULT_COMPONENT,
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app != null ? app.flattenToString() : null);
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}
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} |