Home | History | Annotate | Download | only in nfc 
      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.Activity;
     20 import android.content.Context;
     21 import android.content.Intent;
     22 import android.nfc.NfcAdapter;
     23 import android.os.Bundle;
     24 import android.support.v7.preference.PreferenceManager;
     25 import android.support.v7.preference.PreferenceScreen;
     26 import android.view.Menu;
     27 import android.view.MenuInflater;
     28 import android.view.MenuItem;
     29 import android.view.View;
     30 import android.view.ViewGroup;
     31 
     32 import com.android.internal.logging.MetricsProto.MetricsEvent;
     33 import com.android.settings.R;
     34 import com.android.settings.SettingsPreferenceFragment;
     35 import com.android.settings.dashboard.SummaryLoader;
     36 import com.android.settings.nfc.PaymentBackend.PaymentAppInfo;
     37 
     38 import java.util.List;
     39 
     40 public class PaymentSettings extends SettingsPreferenceFragment {
     41     public static final String TAG = "PaymentSettings";
     42     private PaymentBackend mPaymentBackend;
     43 
     44     @Override
     45     protected int getMetricsCategory() {
     46         return MetricsEvent.NFC_PAYMENT;
     47     }
     48 
     49     @Override
     50     public void onCreate(Bundle icicle) {
     51         super.onCreate(icicle);
     52 
     53         mPaymentBackend = new PaymentBackend(getActivity());
     54         setHasOptionsMenu(true);
     55 
     56         PreferenceManager manager = getPreferenceManager();
     57         PreferenceScreen screen = manager.createPreferenceScreen(getActivity());
     58 
     59         List<PaymentBackend.PaymentAppInfo> appInfos = mPaymentBackend.getPaymentAppInfos();
     60         if (appInfos != null && appInfos.size() > 0) {
     61             NfcPaymentPreference preference =
     62                     new NfcPaymentPreference(getPrefContext(), mPaymentBackend);
     63             preference.setKey("payment");
     64             screen.addPreference(preference);
     65             NfcForegroundPreference foreground = new NfcForegroundPreference(getPrefContext(),
     66                     mPaymentBackend);
     67             screen.addPreference(foreground);
     68         }
     69         setPreferenceScreen(screen);
     70     }
     71 
     72     @Override
     73     public void onViewCreated(View view, Bundle savedInstanceState) {
     74         super.onViewCreated(view, savedInstanceState);
     75         ViewGroup contentRoot = (ViewGroup) getListView().getParent();
     76         View emptyView = getActivity().getLayoutInflater().inflate(
     77                 R.layout.nfc_payment_empty, contentRoot, false);
     78         contentRoot.addView(emptyView);
     79         setEmptyView(emptyView);
     80     }
     81 
     82     @Override
     83     public void onResume() {
     84         super.onResume();
     85         mPaymentBackend.onResume();
     86     }
     87 
     88     @Override
     89     public void onPause() {
     90         super.onPause();
     91         mPaymentBackend.onPause();
     92     }
     93 
     94     @Override
     95     public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
     96         super.onCreateOptionsMenu(menu, inflater);
     97         MenuItem menuItem = menu.add(R.string.nfc_payment_how_it_works);
     98         Intent howItWorksIntent = new Intent(getActivity(), HowItWorks.class);
     99         menuItem.setIntent(howItWorksIntent);
    100         menuItem.setShowAsActionFlags(MenuItem.SHOW_AS_ACTION_NEVER);
    101     }
    102 
    103     private static class SummaryProvider implements SummaryLoader.SummaryProvider {
    104 
    105         private final Context mContext;
    106         private final SummaryLoader mSummaryLoader;
    107 
    108         public SummaryProvider(Context context, SummaryLoader summaryLoader) {
    109             mContext = context;
    110             mSummaryLoader = summaryLoader;
    111         }
    112 
    113         @Override
    114         public void setListening(boolean listening) {
    115             if (listening && NfcAdapter.getDefaultAdapter(mContext) != null) {
    116                 PaymentBackend paymentBackend = new PaymentBackend(mContext);
    117                 paymentBackend.refresh();
    118                 PaymentAppInfo app = paymentBackend.getDefaultApp();
    119                 if (app != null) {
    120                     mSummaryLoader.setSummary(this, mContext.getString(R.string.payment_summary,
    121                             app.label));
    122                 }
    123             }
    124         }
    125     }
    126 
    127     public static final SummaryLoader.SummaryProviderFactory SUMMARY_PROVIDER_FACTORY
    128             = new SummaryLoader.SummaryProviderFactory() {
    129         @Override
    130         public SummaryLoader.SummaryProvider createSummaryProvider(Activity activity,
    131                                                                    SummaryLoader summaryLoader) {
    132             return new SummaryProvider(activity, summaryLoader);
    133         }
    134     };
    135 }
    136