Updated on 2026-08-14
This commit is contained in:
Tangem
parent
0374157cad
commit
8c17a8d4f0
48 changed files with 3490 additions and 3417 deletions
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package com.tangem.presentation.activity;
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import android.app.Activity;
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import android.content.Intent;
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import android.nfc.NfcAdapter;
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import android.nfc.Tag;
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import android.os.Bundle;
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import android.support.v7.app.AppCompatActivity;
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import android.text.Editable;
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import android.text.Html;
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import android.text.Spanned;
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import android.text.TextWatcher;
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import android.util.Log;
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import android.view.View;
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import android.widget.Button;
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import android.widget.EditText;
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import android.widget.ImageView;
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import android.widget.TextView;
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import com.tangem.cardReader.NfcManager;
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import com.tangem.wallet.Blockchain;
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import com.tangem.wallet.CoinEngine;
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import com.tangem.wallet.CoinEngineFactory;
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import com.tangem.wallet.FormatUtil;
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import com.tangem.wallet.R;
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import com.tangem.wallet.Tangem_Card;
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import java.io.IOException;
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public class PreparePaymentActivity extends AppCompatActivity implements NfcAdapter.ReaderCallback {
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private static final int REQUEST_CODE_SCAN_QR = 1;
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private static final int REQUEST_CODE_SEND_PAYMENT = 2;
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Button btnVerify;
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EditText etWallet;
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EditText etAmount;
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TextView tvCurrency;
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TextView tvCardId, tvBalance, tvBalanceEquivalent, tvAmountEquivalent;
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ImageView ivCamera;
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boolean use_mCurrency;
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Tangem_Card mCard;
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private NfcManager mNfcManager;
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.activity_prepare_payment);
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MainActivity.commonInit(getApplicationContext());
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mNfcManager = new NfcManager(this, this);
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mCard = new Tangem_Card(getIntent().getStringExtra("UID"));
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mCard.LoadFromBundle(getIntent().getExtras().getBundle("Card"));
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btnVerify = (Button) findViewById(R.id.btnVerify);
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etWallet = (EditText) findViewById(R.id.etWallet);
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etAmount = (EditText) findViewById(R.id.etAmount);
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ivCamera = (ImageView) findViewById(R.id.ivCamera);
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tvCurrency = (TextView) findViewById(R.id.tvCurrency);
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tvCardId = (TextView) findViewById(R.id.tvCardID);
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tvBalance = (TextView) findViewById(R.id.tvBalance);
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tvBalanceEquivalent = (TextView) findViewById(R.id.tvBalanceEquivalent);
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tvAmountEquivalent = (TextView) findViewById(R.id.tvAmountEquivalent);
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tvCardId.setText(mCard.getCIDDescription());
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CoinEngine engine = CoinEngineFactory.Create(mCard.getBlockchain());
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if (mCard.getBlockchain() == Blockchain.Token) {
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Spanned html = Html.fromHtml(engine.GetBalanceWithAlter(mCard));
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tvBalance.setText(html);
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} else {
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tvBalance.setText(engine.GetBalanceWithAlter(mCard));
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}
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tvBalanceEquivalent.setText(engine.GetBalanceEquivalent(mCard));
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if (etAmount != null && mCard.getRemainingSignatures() < 2) {
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etAmount.setEnabled(false);
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}
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if (!mCard.getAmountEquivalentDescriptionAvailable()) {
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tvBalanceEquivalent.setError("Service unavailable");
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} else {
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tvBalanceEquivalent.setError(null);
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}
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etAmount.addTextChangedListener(new TextWatcher() {
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@Override
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public void beforeTextChanged(CharSequence s, int start, int count, int after) {
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}
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@Override
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public void onTextChanged(CharSequence s, int start, int before, int count) {
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try {
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CoinEngine engine = CoinEngineFactory.Create(mCard.getBlockchain());
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tvAmountEquivalent.setText(engine.GetAmountEqualentDescriptor(mCard, etAmount.getText().toString()));
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if (!mCard.getAmountEquivalentDescriptionAvailable()) {
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tvAmountEquivalent.setError("Service unavailable");
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} else {
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tvAmountEquivalent.setError(null);
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}
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} catch (Exception e) {
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e.printStackTrace();
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tvAmountEquivalent.setText("");
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}
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}
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@Override
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public void afterTextChanged(Editable s) {
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}
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});
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if (mCard.getBlockchain() == Blockchain.Ethereum || mCard.getBlockchain() == Blockchain.EthereumTestNet) {
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tvCurrency.setText(engine.GetBalanceCurrency(mCard));
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use_mCurrency = false;
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etAmount.setText(engine.GetBalanceValue(mCard));
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} else if (mCard.getBlockchain() == Blockchain.Bitcoin || mCard.getBlockchain() == Blockchain.BitcoinTestNet) {
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Double balance = engine.GetBalanceLong(mCard) / (mCard.getBlockchain().getMultiplier() / 1000.0);
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tvCurrency.setText("m" + mCard.getBlockchain().getCurrency());
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use_mCurrency = true;
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String output = FormatUtil.DoubleToString(balance);
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etAmount.setText(output);
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} else if (mCard.getBlockchain() == Blockchain.BitcoinCash || mCard.getBlockchain() == Blockchain.BitcoinCashTestNet) {
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Double balance = engine.GetBalanceLong(mCard) / (mCard.getBlockchain().getMultiplier() / 1000.0);
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tvCurrency.setText("m" + mCard.getBlockchain().getCurrency());
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use_mCurrency = true;
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String output = FormatUtil.DoubleToString(balance);
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etAmount.setText(output);
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} else {
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tvCurrency.setText(engine.GetBalanceCurrency(mCard));
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use_mCurrency = false;
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etAmount.setText(engine.GetBalanceValue(mCard));
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}
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btnVerify.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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String strAmount;
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strAmount = etAmount.getText().toString();
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CoinEngine engine = CoinEngineFactory.Create(mCard.getBlockchain());
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try {
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if (!engine.CheckAmount(mCard, etAmount.getText().toString())) {
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etAmount.setError("Not enough funds on your card");
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}
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} catch (Exception e) {
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etAmount.setError("Unknown amount format");
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return;
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}
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boolean checkAddress = engine.ValdateAddress(etWallet.getText().toString(), mCard);
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if (!checkAddress) {
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etWallet.setError("Incorrect destination wallet address");
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return;
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}
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if (etWallet.getText().toString().equals(mCard.getWallet())) {
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etWallet.setError("Destination wallet address equal source address");
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return;
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}
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Intent intent = new Intent(getBaseContext(), ConfirmPaymentActivity.class);
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intent.putExtra("UID", mCard.getUID());
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intent.putExtra("Card", mCard.getAsBundle());
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intent.putExtra("Wallet", etWallet.getText().toString());
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intent.putExtra("Amount", strAmount);
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startActivityForResult(intent, REQUEST_CODE_SEND_PAYMENT);
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}
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});
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ivCamera.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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Intent intent = new Intent(getBaseContext(), QRScanActivity.class);
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startActivityForResult(intent, REQUEST_CODE_SCAN_QR);
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}
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});
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}
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@Override
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protected void onActivityResult(int requestCode, int resultCode, Intent data) {
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super.onActivityResult(requestCode, resultCode, data);
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if (requestCode == REQUEST_CODE_SCAN_QR && resultCode == Activity.RESULT_OK && data != null && data.getExtras().containsKey("QRCode")) {
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String code = data.getStringExtra("QRCode");
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if (code.contains("bitcoin:")) {
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String tmp[] = code.split("bitcoin:");
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code = tmp[1];
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}
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etWallet.setText(code);
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} else if (requestCode == REQUEST_CODE_SEND_PAYMENT) {
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setResult(resultCode, data);
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finish();
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}
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}
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@Override
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public void onTagDiscovered(Tag tag) {
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try {
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Log.w(getClass().getName(), "Ignore discovered tag!");
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mNfcManager.IgnoreTag(tag);
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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@Override
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public void onResume() {
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super.onResume();
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mNfcManager.onResume();
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}
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@Override
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public void onPause() {
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super.onPause();
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mNfcManager.onPause();
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}
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@Override
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public void onStop() {
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super.onStop();
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mNfcManager.onStop();
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}
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}
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