| /* |
| * Copyright (C) 2017 NXP Semiconductors |
| * |
| * 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.nfc; |
| |
| import java.util.List; |
| |
| import android.content.ComponentName; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.ServiceConnection; |
| import android.content.pm.PackageManager; |
| import android.content.pm.ResolveInfo; |
| import android.os.Bundle; |
| import android.os.IBinder; |
| import android.os.Message; |
| import android.os.Messenger; |
| import android.os.RemoteException; |
| |
| public class DtaServiceConnector { |
| |
| |
| private static String sMessageService; |
| Context mContext; |
| Messenger dtaMessenger = null; |
| boolean isBound; |
| |
| |
| public DtaServiceConnector(Context mContext) { |
| this.mContext = mContext; |
| } |
| |
| public void bindService() { |
| if (!isBound) { |
| Intent intent = new Intent(sMessageService); |
| mContext.bindService(createExplicitFromImplicitIntent(mContext,intent), |
| myConnection,Context.BIND_AUTO_CREATE); |
| } |
| } |
| |
| private ServiceConnection myConnection = new ServiceConnection() { |
| public void onServiceConnected(ComponentName className, IBinder service) { |
| dtaMessenger = new Messenger(service); |
| isBound = true; |
| } |
| |
| public void onServiceDisconnected(ComponentName className) { |
| dtaMessenger = null; |
| isBound = false; |
| } |
| }; |
| |
| public void sendMessage(String ndefMessage) { |
| if (!isBound) return; |
| Message msg = Message.obtain(); |
| Bundle bundle = new Bundle(); |
| bundle.putString("NDEF_MESSAGE", ndefMessage); |
| msg.setData(bundle); |
| try { |
| dtaMessenger.send(msg); |
| } catch (RemoteException e) { |
| e.printStackTrace(); |
| } catch (NullPointerException e) { |
| e.printStackTrace(); |
| } |
| } |
| |
| public static Intent createExplicitFromImplicitIntent(Context context, Intent implicitIntent) { |
| PackageManager pm = context.getPackageManager(); |
| List<ResolveInfo> resolveInfo = pm.queryIntentServices(implicitIntent, 0); |
| if (resolveInfo == null || resolveInfo.size() != 1) { |
| return null; |
| } |
| ResolveInfo serviceInfo = resolveInfo.get(0); |
| String packageName = serviceInfo.serviceInfo.packageName; |
| String className = serviceInfo.serviceInfo.name; |
| ComponentName component = new ComponentName(packageName, className); |
| Intent explicitIntent = new Intent(implicitIntent); |
| explicitIntent.setComponent(component); |
| return explicitIntent; |
| } |
| |
| public static void setMessageService(String service) { |
| sMessageService = service; |
| } |
| |
| } |