From 9c11fb9a45b0f1ff2a86eb139078e5361216434b Mon Sep 17 00:00:00 2001
From: zuoxiao <470321431@qq.com>
Date: 星期三, 29 十一月 2023 14:59:10 +0800
Subject: [PATCH] 读取模拟卡修改后注释（未完成）
---
app/src/main/java/com/dayu/recharge/tools/NFCWriteHelper.java | 1
app/src/main/java/com/dayu/recharge/tools/CustomIsoDepReader.java | 35 ++++++++
app/src/main/java/com/dayu/recharge/activity/BaseNfcActivity.java | 43 ++++++++--
app/src/main/AndroidManifest.xml | 3
app/src/main/java/com/dayu/recharge/tools/LoyaltyCardReader.java | 156 +++++++++++++++++++++++++++++++++++++++
5 files changed, 227 insertions(+), 11 deletions(-)
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index a680c04..39721f4 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -92,7 +92,8 @@
android:exported="true"
android:launchMode="singleTop">
<intent-filter>
- <action android:name="android.nfc.action.TAG_DISCOVERED" />
+ <action android:name="android.nfc.action.ACTION_NDEF_DISCOVERED" />
+ <category android:name="android.intent.category.DEFAULT"/>
<data android:mimeType="text/plain" />
</intent-filter>
</activity>
diff --git a/app/src/main/java/com/dayu/recharge/activity/BaseNfcActivity.java b/app/src/main/java/com/dayu/recharge/activity/BaseNfcActivity.java
index 66804f1..fa0d0f9 100644
--- a/app/src/main/java/com/dayu/recharge/activity/BaseNfcActivity.java
+++ b/app/src/main/java/com/dayu/recharge/activity/BaseNfcActivity.java
@@ -13,10 +13,12 @@
import android.nfc.NfcAdapter;
import android.nfc.NfcEvent;
import android.nfc.Tag;
+import android.nfc.cardemulation.CardEmulation;
import android.os.Handler;
import android.os.Message;
import com.dayu.recharge.card.UserCard;
+import com.dayu.recharge.tools.LoyaltyCardReader;
import com.dayu.recharge.tools.NfcReadHelper;
import com.dayu.recharge.utils.LogUtil;
import com.dayu.recharge.utils.TipUtil;
@@ -34,7 +36,7 @@
* 鍦╫nNewIntent鏂规硶涓墽琛宨ntent浼犻�掕繃鏉ョ殑Tag鏁版嵁
* 灏哊FC鏍囩鍗￠潬杩戞墜鏈哄悗閮紙NFC鏍囩鍗″彲缃戜笂鑷璐拱锛�
*/
-public class BaseNfcActivity extends BaseActivity {
+public class BaseNfcActivity extends BaseActivity implements LoyaltyCardReader.AccountCallback {
/**
* 璇ュ崱宸插啓鍏ョ敤鎴蜂俊鎭�
@@ -57,25 +59,29 @@
volatile UserCard userCard;
Handler handler;
+ public LoyaltyCardReader mLoyaltyCardReader;
/**
* onCreat->onStart->onResume->onPause->onStop->onDestroy
* 鍚姩Activity锛岀晫闈㈠彲瑙佹椂.
*/
+
+ public static int READER_FLAGS =
+ NfcAdapter.FLAG_READER_NFC_A | NfcAdapter.FLAG_READER_SKIP_NDEF_CHECK;
+
@Override
protected void onStart() {
super.onStart();
//姝ゅadapter闇�瑕侀噸鏂拌幏鍙栵紝鍚﹀垯鏃犳硶鑾峰彇message
mNfcAdapter = NfcAdapter.getDefaultAdapter(this);
-
-// mNfcAdapter.enableReaderMode(this, new NfcAdapter.ReaderCallback() {
-// @Override
-// public void onTagDiscovered(Tag tag) {
-// LogUtil.e(tag.toString());
-// }
-// }, NfcAdapter.FLAG_READER_NFC_A | NfcAdapter.FLAG_READER_SKIP_NDEF_CHECK, null);
+ Intent intent = new Intent(this, getClass());
//涓�鏃︽埅鑾種FC娑堟伅锛屽氨浼氶�氳繃PendingIntent璋冪敤绐楀彛
- mPendingIntent = PendingIntent.getActivity(this, 0, new Intent(this, getClass()), 0);
+ mPendingIntent = PendingIntent.getActivity(this, 0, intent, 0);
+
+// mLoyaltyCardReader = new LoyaltyCardReader(this);
+// if (mNfcAdapter != null) {
+// mNfcAdapter.enableReaderMode(this, mLoyaltyCardReader, READER_FLAGS, null);
+// }
}
@@ -102,6 +108,15 @@
//鎭㈠榛樿鐘舵��
if (mNfcAdapter != null)
mNfcAdapter.disableForegroundDispatch(this);
+// mNfcAdapter.disableReaderMode(this);
+
+ }
+
+ @Override
+ protected void onDestroy() {
+ super.onDestroy();
+ if (mNfcAdapter != null)
+ mNfcAdapter.disableReaderMode(this);
}
/**
@@ -120,4 +135,14 @@
}
return true;
}
+
+
+ @Override
+ public void onAccountReceived(Tag tag) {
+
+ Intent intent = new Intent(this, getClass());
+ intent.putExtra(NfcAdapter.EXTRA_TAG, tag);
+ startActivity(intent);
+
+ }
}
diff --git a/app/src/main/java/com/dayu/recharge/tools/CustomIsoDepReader.java b/app/src/main/java/com/dayu/recharge/tools/CustomIsoDepReader.java
new file mode 100644
index 0000000..c9b140d
--- /dev/null
+++ b/app/src/main/java/com/dayu/recharge/tools/CustomIsoDepReader.java
@@ -0,0 +1,35 @@
+package com.dayu.recharge.tools;
+
+import android.nfc.Tag;
+import android.nfc.tech.TagTechnology;
+
+import java.io.IOException;
+
+/**
+ * Created by Android Studio.
+ * author: zuo
+ * Date: 2023-11-29
+ * Time: 9:13
+ * 澶囨敞锛�
+ */
+public class CustomIsoDepReader implements TagTechnology {
+ @Override
+ public Tag getTag() {
+ return null;
+ }
+
+ @Override
+ public void connect() throws IOException {
+
+ }
+
+ @Override
+ public void close() throws IOException {
+
+ }
+
+ @Override
+ public boolean isConnected() {
+ return false;
+ }
+}
diff --git a/app/src/main/java/com/dayu/recharge/tools/LoyaltyCardReader.java b/app/src/main/java/com/dayu/recharge/tools/LoyaltyCardReader.java
new file mode 100644
index 0000000..b80f6d7
--- /dev/null
+++ b/app/src/main/java/com/dayu/recharge/tools/LoyaltyCardReader.java
@@ -0,0 +1,156 @@
+/*
+ * 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.dayu.recharge.tools;
+
+import android.annotation.TargetApi;
+import android.nfc.NfcAdapter;
+import android.nfc.Tag;
+import android.nfc.tech.IsoDep;
+import android.os.Build;
+import android.util.Log;
+
+
+import java.io.IOException;
+import java.lang.ref.WeakReference;
+import java.util.Arrays;
+
+/**
+ * Callback class, invoked when an NFC card is scanned while the device is running in reader mode.
+ * <p>
+ * Reader mode can be invoked by calling NfcAdapter
+ */
+@TargetApi(Build.VERSION_CODES.KITKAT)
+public class LoyaltyCardReader implements NfcAdapter.ReaderCallback {
+ private static final String TAG = "LoyaltyCardReader";
+ // AID for our loyalty card service.
+ private static final String SAMPLE_LOYALTY_CARD_AID = "F0010203040507";
+ // ISO-DEP command HEADER for selecting an AID.
+ // Format: [Class | Instruction | Parameter 1 | Parameter 2]
+ private static final String SELECT_APDU_HEADER = "00A40400";
+ // "OK" status word sent in response to SELECT AID command (0x9000)
+ private static final byte[] SELECT_OK_SW = {(byte) 0x10, (byte) 0x00};
+
+ // Weak reference to prevent retain loop. mAccountCallback is responsible for exiting
+ // foreground mode before it becomes invalid (e.g. during onPause() or onStop()).
+ private WeakReference<AccountCallback> mAccountCallback;
+
+ public interface AccountCallback {
+ public void onAccountReceived(Tag tag);
+ }
+
+ public LoyaltyCardReader(AccountCallback accountCallback) {
+ mAccountCallback = new WeakReference<AccountCallback>(accountCallback);
+ }
+
+ /**
+ * Callback when a new tag is discovered by the system.
+ *
+ * <p>Communication with the card should take place here.
+ *
+ * @param tag Discovered tag
+ */
+ @Override
+ public void onTagDiscovered(Tag tag) {
+ Log.i(TAG, "New tag discovered");
+ mAccountCallback.get().onAccountReceived(tag);
+ // Android's Host-based Card Emulation (HCE) feature implements the ISO-DEP (ISO 14443-4)
+ // protocol.
+ //
+ // In order to communicate with a device using HCE, the discovered tag should be processed
+ // using the IsoDep class.
+ IsoDep isoDep = IsoDep.get(tag);
+ if (isoDep != null) {
+ try {
+ // Connect to the remote NFC device
+ isoDep.connect();
+ // Build SELECT AID command for our loyalty card service.
+ // This command tells the remote device which service we wish to communicate with.
+ Log.i(TAG, "Requesting remote AID: " + SAMPLE_LOYALTY_CARD_AID);
+// mAccountCallback.get().onAccountReceived();
+ byte[] command = BuildSelectApdu(SAMPLE_LOYALTY_CARD_AID);
+
+ // Send command to remote device
+ Log.i(TAG, "Sending: " + ByteArrayToHexString(command));
+// mAccountCallback.get().onAccountReceived();
+ byte[] result = isoDep.transceive(command);
+ // If AID is successfully selected, 0x9000 is returned as the status word (last 2
+ // bytes of the result) by convention. Everything before the status word is
+ // optional payload, which is used here to hold the account number.
+ int resultLength = result.length;
+ byte[] statusWord = {result[resultLength - 2], result[resultLength - 1]};
+ byte[] payload = Arrays.copyOf(result, resultLength - 2);
+ if (Arrays.equals(SELECT_OK_SW, statusWord)) {
+ // The remote NFC device will immediately respond with its stored account number
+ String accountNumber = new String(payload, "UTF-8");
+ Log.i(TAG, "Received: " + accountNumber);
+ // Inform CardReaderFragment of received account number
+// mAccountCallback.get().onAccountReceived();
+ }
+ } catch (IOException e) {
+ Log.e(TAG, "Error communicating with card: " + e.toString());
+ }
+ }
+ }
+
+ /**
+ * Build APDU for SELECT AID command. This command indicates which service a reader is
+ * interested in communicating with. See ISO 7816-4.
+ *
+ * @param aid Application ID (AID) to select
+ * @return APDU for SELECT AID command
+ */
+ public static byte[] BuildSelectApdu(String aid) {
+ // Format: [CLASS | INSTRUCTION | PARAMETER 1 | PARAMETER 2 | LENGTH | DATA]
+ return HexStringToByteArray(SELECT_APDU_HEADER + String.format("%02X", aid.length() / 2) + aid);
+ }
+
+ /**
+ * Utility class to convert a byte array to a hexadecimal string.
+ *
+ * @param bytes Bytes to convert
+ * @return String, containing hexadecimal representation.
+ */
+ public static String ByteArrayToHexString(byte[] bytes) {
+ final char[] hexArray = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'};
+ char[] hexChars = new char[bytes.length * 2];
+ int v;
+ for (int j = 0; j < bytes.length; j++) {
+ v = bytes[j] & 0xFF;
+ hexChars[j * 2] = hexArray[v >>> 4];
+ hexChars[j * 2 + 1] = hexArray[v & 0x0F];
+ }
+ return new String(hexChars);
+ }
+
+ /**
+ * Utility class to convert a hexadecimal string to a byte string.
+ *
+ * <p>Behavior with input strings containing non-hexadecimal characters is undefined.
+ *
+ * @param s String containing hexadecimal characters to convert
+ * @return Byte array generated from input
+ */
+ public static byte[] HexStringToByteArray(String s) {
+ int len = s.length();
+ byte[] data = new byte[len / 2];
+ for (int i = 0; i < len; i += 2) {
+ data[i / 2] = (byte) ((Character.digit(s.charAt(i), 16) << 4)
+ + Character.digit(s.charAt(i + 1), 16));
+ }
+ return data;
+ }
+
+}
diff --git a/app/src/main/java/com/dayu/recharge/tools/NFCWriteHelper.java b/app/src/main/java/com/dayu/recharge/tools/NFCWriteHelper.java
index ee9b31a..1dc2d29 100644
--- a/app/src/main/java/com/dayu/recharge/tools/NFCWriteHelper.java
+++ b/app/src/main/java/com/dayu/recharge/tools/NFCWriteHelper.java
@@ -34,7 +34,6 @@
public NFCWriteHelper(Intent intent) {
this.tag = intent.getParcelableExtra(NfcAdapter.EXTRA_TAG);
-
}
/**
--
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