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Updated on 2026-08-14

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Tangem 2018-05-28 13:56:12 +03:00
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app/src/main/java/com/tangem/wallet/SwapPINActivity.java Normal file
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package com.tangem.wallet;
import android.app.Activity;
import android.content.Intent;
import android.content.res.ColorStateList;
import android.graphics.Color;
import android.nfc.NfcAdapter;
import android.nfc.Tag;
import android.nfc.tech.IsoDep;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.view.View;
import android.widget.ProgressBar;
import android.widget.TextView;
import android.widget.Toast;
import com.tangem.cardReader.CardProtocol;
import com.tangem.cardReader.NfcManager;
import com.tangem.cardReader.Util;
public class SwapPINActivity extends AppCompatActivity implements NfcAdapter.ReaderCallback, CardProtocol.Notifications {
public static final int RESULT_INVALID_PIN = Activity.RESULT_FIRST_USER;
private Tangem_Card mCard;
private NfcManager mNfcManager;
private static final String logTag = "SwapPIN";
private ProgressBar progressBar;
private SwapPINTask swapPinTask;
private String newPIN, newPIN2;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_swap_pin);
MainActivity.commonInit(getApplicationContext());
mCard = new Tangem_Card(getIntent().getStringExtra("UID"));
mCard.LoadFromBundle(getIntent().getExtras().getBundle("Card"));
newPIN = getIntent().getStringExtra("newPIN");
newPIN2 = getIntent().getStringExtra("newPIN2");
TextView tvCardID = findViewById(R.id.tvCardID);
tvCardID.setText(mCard.getCIDDescription());
mNfcManager = new NfcManager(this, this);
progressBar = findViewById(R.id.progressBar);
progressBar.setProgressTintList(ColorStateList.valueOf(Color.DKGRAY));
progressBar.setVisibility(View.INVISIBLE);
}
@Override
public void onTagDiscovered(Tag tag) {
try {
// get IsoDep handle and run cardReader thread
final IsoDep isoDep = IsoDep.get(tag);
if (isoDep == null) {
throw new CardProtocol.TangemException(getString(R.string.wrong_tag_err));
}
byte UID[] = tag.getId();
String sUID = Util.byteArrayToHexString(UID);
Log.v(logTag, "UID: " + sUID);
if (sUID.equals(mCard.getUID())) {
isoDep.setTimeout(mCard.getPauseBeforePIN2() + 65000);
swapPinTask = new SwapPINTask(isoDep, this);
swapPinTask.start();
} else {
Log.d(logTag, "Mismatch card UID (" + sUID + " instead of " + mCard.getUID() + ")");
mNfcManager.IgnoreTag(isoDep.getTag());
}
} catch (Exception e) {
e.printStackTrace();
}
}
@Override
public void onResume() {
super.onResume();
mNfcManager.onResume();
}
@Override
public void onPause() {
mNfcManager.onPause();
if (swapPinTask != null) {
swapPinTask.cancel(true);
}
super.onPause();
}
@Override
public void onStop() {
// dismiss enable NFC dialog
mNfcManager.onStop();
if (swapPinTask != null) {
swapPinTask.cancel(true);
}
super.onStop();
}
private class SwapPINTask extends Thread {
IsoDep mIsoDep;
CardProtocol.Notifications mNotifications;
private boolean isCancelled = false;
SwapPINTask(IsoDep isoDep, CardProtocol.Notifications notifications) {
mIsoDep = isoDep;
mNotifications = notifications;
}
@Override
public void run() {
if (mIsoDep == null) {
return;
}
CardProtocol protocol = new CardProtocol(getBaseContext(), mIsoDep, mCard, mNotifications);
mNotifications.OnReadStart(protocol);
try {
// for Samsung's bugs -
// Workaround for the Samsung Galaxy S5 (since the
// first connection always hangs on transceive).
int timeout = mIsoDep.getTimeout();
mIsoDep.connect();
mIsoDep.close();
mIsoDep.connect();
mIsoDep.setTimeout(timeout);
try {
mNotifications.OnReadProgress(protocol, 5);
Log.i("SwapTask", "[-- Start swap pin --]");
if (isCancelled) return;
if (mCard.getPauseBeforePIN2() > 0) {
mNotifications.OnReadWait(mCard.getPauseBeforePIN2());
}
// try {
protocol.run_SwapPIN(PINStorage.getPIN2(), newPIN, newPIN2, false);
protocol.setPIN(newPIN);
mCard.setPIN(newPIN);
// } finally {
// mNotifications.OnReadWait(0);
// }
mNotifications.OnReadProgress(protocol, 50);
protocol.run_Read();
mNotifications.OnReadProgress(protocol, 100);
} finally {
mNfcManager.IgnoreTag(mIsoDep.getTag());
}
} catch (Exception e) {
e.printStackTrace();
protocol.setError(e);
} finally {
Log.i("SwapPINTask", "[-- Finish purge --]");
mNotifications.OnReadFinish(protocol);
}
}
public void cancel(Boolean AllowInterrupt) {
try {
if (this.isAlive()) {
isCancelled = true;
join(500);
}
if (this.isAlive() && AllowInterrupt) {
interrupt();
mNotifications.OnReadCancel();
}
} catch (Exception e) {
e.printStackTrace();
}
}
}
public void OnReadStart(CardProtocol cardProtocol) {
progressBar.post(new Runnable() {
@Override
public void run() {
progressBar.setVisibility(View.VISIBLE);
progressBar.setProgress(5);
}
});
}
public void OnReadFinish(final CardProtocol cardProtocol) {
swapPinTask = null;
if (cardProtocol != null) {
if (cardProtocol.getError() == null) {
progressBar.post(new Runnable() {
@Override
public void run() {
progressBar.setProgress(100);
progressBar.setProgressTintList(ColorStateList.valueOf(Color.GREEN));
Intent intent = new Intent();
intent.putExtra("UID", cardProtocol.getCard().getUID());
intent.putExtra("Card", cardProtocol.getCard().getAsBundle());
setResult(Activity.RESULT_OK, intent);
finish();
}
});
} else if (cardProtocol.getError() instanceof CardProtocol.TangemException_InvalidPIN) {
progressBar.post(new Runnable() {
@Override
public void run() {
progressBar.setProgress(100);
progressBar.setProgressTintList(ColorStateList.valueOf(Color.RED));
}
});
progressBar.postDelayed(new Runnable() {
@Override
public void run() {
try {
progressBar.setProgress(0);
progressBar.setProgressTintList(ColorStateList.valueOf(Color.DKGRAY));
progressBar.setVisibility(View.INVISIBLE);
Intent intent = new Intent();
intent.putExtra("message", "Cannot change PIN(s). Make sure you enter correct PIN2!");
intent.putExtra("UID", cardProtocol.getCard().getUID());
intent.putExtra("Card", cardProtocol.getCard().getAsBundle());
setResult(RESULT_INVALID_PIN, intent);
finish();
} catch (Exception e) {
e.printStackTrace();
}
}
}, 500);
return;
} else {
progressBar.post(new Runnable() {
@Override
public void run() {
if (cardProtocol.getError() instanceof CardProtocol.TangemException_ExtendedLengthNotSupported) {
if (!NoExtendedLengthSupportDialog.allreadyShowed) {
new NoExtendedLengthSupportDialog().show(getFragmentManager(), "NoExtendedLengthSupportDialog");
}
} else {
Toast.makeText(getBaseContext(), "Try to scan again", Toast.LENGTH_LONG).show();
}
progressBar.setProgress(100);
progressBar.setProgressTintList(ColorStateList.valueOf(Color.RED));
}
});
}
progressBar.postDelayed(new Runnable() {
@Override
public void run() {
try {
progressBar.setProgress(0);
progressBar.setProgressTintList(ColorStateList.valueOf(Color.DKGRAY));
progressBar.setVisibility(View.INVISIBLE);
} catch (Exception e) {
e.printStackTrace();
}
}
}, 500);
}
}
public void OnReadProgress(CardProtocol protocol, final int progress) {
progressBar.post(new Runnable() {
@Override
public void run() {
progressBar.setProgress(progress);
}
});
}
public void OnReadCancel() {
swapPinTask = null;
progressBar.postDelayed(new Runnable() {
@Override
public void run() {
try {
progressBar.setProgress(0);
progressBar.setProgressTintList(ColorStateList.valueOf(Color.DKGRAY));
progressBar.setVisibility(View.INVISIBLE);
} catch (Exception e) {
e.printStackTrace();
}
}
}, 500);
}
@Override
public void OnReadWait(final int msec) {
WaitSecurityDelayDialog.OnReadWait(this, msec);
}
@Override
public void OnReadBeforeRequest(int timeout) {
WaitSecurityDelayDialog.onReadBeforeRequest(this, timeout);
}
@Override
public void OnReadAfterRequest() {
WaitSecurityDelayDialog.onReadAfterRequest(this);
}
}