1 /* 2 * Copyright (C) 2010 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.nfc.nxp; 18 19 import android.content.Context; 20 import android.content.SharedPreferences; 21 22 23 /** 24 * Native interface to the NFC Secure Element functions 25 * 26 * {@hide} 27 */ 28 public class NativeNfcSecureElement { 29 30 static final String PREF_SE_WIRED = "se_wired"; 31 32 private final Context mContext; 33 34 SharedPreferences mPrefs; 35 SharedPreferences.Editor mPrefsEditor; 36 NativeNfcSecureElement(Context context)37 public NativeNfcSecureElement(Context context) { 38 mContext = context; 39 40 mPrefs = mContext.getSharedPreferences(NativeNfcManager.PREF, Context.MODE_PRIVATE); 41 mPrefsEditor = mPrefs.edit(); 42 } 43 doNativeOpenSecureElementConnection()44 private native int doNativeOpenSecureElementConnection(); 45 doOpenSecureElementConnection()46 public int doOpenSecureElementConnection() { 47 mPrefsEditor.putBoolean(PREF_SE_WIRED, true); 48 mPrefsEditor.apply(); 49 50 return doNativeOpenSecureElementConnection(); 51 } 52 doNativeDisconnectSecureElementConnection(int handle)53 private native boolean doNativeDisconnectSecureElementConnection(int handle); 54 doDisconnect(int handle)55 public boolean doDisconnect(int handle) { 56 mPrefsEditor.putBoolean(PREF_SE_WIRED, false); 57 mPrefsEditor.apply(); 58 59 return doNativeDisconnectSecureElementConnection(handle); 60 } 61 doTransceive(int handle, byte[] data)62 public native byte[] doTransceive(int handle, byte[] data); 63 doGetTechList(int handle)64 public native int[] doGetTechList(int handle); 65 doGetUid(int handle)66 public native byte [] doGetUid(int handle); 67 } 68