diff options
Diffstat (limited to 'src/com/android/settings/nfc/PaymentBackend.java')
-rw-r--r-- | src/com/android/settings/nfc/PaymentBackend.java | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/src/com/android/settings/nfc/PaymentBackend.java b/src/com/android/settings/nfc/PaymentBackend.java new file mode 100644 index 000000000..fc0f4a365 --- /dev/null +++ b/src/com/android/settings/nfc/PaymentBackend.java @@ -0,0 +1,102 @@ +/* + * Copyright (C) 2013 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package com.android.settings.nfc; + +import android.content.ComponentName; +import android.content.Context; +import android.content.pm.PackageManager; +import android.graphics.drawable.Drawable; +import android.nfc.NfcAdapter; +import android.nfc.cardemulation.ApduServiceInfo; +import android.nfc.cardemulation.CardEmulationManager; +import android.provider.Settings; + +import java.util.ArrayList; +import java.util.List; + +public class PaymentBackend { + public static final String TAG = "Settings.PaymentBackend"; + + public static class PaymentAppInfo { + CharSequence caption; + Drawable icon; + boolean isDefault; + public ComponentName componentName; + } + + private final Context mContext; + private final NfcAdapter mAdapter; + private final CardEmulationManager mCardEmuManager; + + public PaymentBackend(Context context) { + mContext = context; + + mAdapter = NfcAdapter.getDefaultAdapter(context); + mCardEmuManager = CardEmulationManager.getInstance(mAdapter); + } + + public List<PaymentAppInfo> getPaymentAppInfos() { + PackageManager pm = mContext.getPackageManager(); + List<ApduServiceInfo> serviceInfos = + mCardEmuManager.getServices(CardEmulationManager.CATEGORY_PAYMENT); + List<PaymentAppInfo> appInfos = new ArrayList<PaymentAppInfo>(); + + if (serviceInfos == null) return appInfos; + + ComponentName defaultApp = getDefaultPaymentApp(); + + for (ApduServiceInfo service : serviceInfos) { + PaymentAppInfo appInfo = new PaymentAppInfo(); + appInfo.caption = service.loadLabel(pm); + appInfo.icon = service.loadIcon(pm); + appInfo.isDefault = service.getComponent().equals(defaultApp); + appInfo.componentName = service.getComponent(); + appInfos.add(appInfo); + } + + return appInfos; + } + + ComponentName getDefaultPaymentApp() { + String componentString = Settings.Secure.getString(mContext.getContentResolver(), + Settings.Secure.NFC_PAYMENT_DEFAULT_COMPONENT); + if (componentString != null) { + return ComponentName.unflattenFromString(componentString); + } else { + return null; + } + } + + public void setDefaultPaymentApp(ComponentName app) { + Settings.Secure.putString(mContext.getContentResolver(), + Settings.Secure.NFC_PAYMENT_DEFAULT_COMPONENT, + app != null ? app.flattenToString() : null); + } + + public boolean isAutoPaymentMode() { + String mode = Settings.Secure.getString(mContext.getContentResolver(), + Settings.Secure.NFC_PAYMENT_MODE); + return (!CardEmulationManager.PAYMENT_MODE_MANUAL.equals(mode)); + } + + public void setAutoPaymentMode(boolean enable) { + Settings.Secure.putString(mContext.getContentResolver(), + Settings.Secure.NFC_PAYMENT_MODE, + enable ? CardEmulationManager.PAYMENT_MODE_AUTO + : CardEmulationManager.PAYMENT_MODE_MANUAL); + } +}
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