package com.tangem.presentation.activity; import android.app.Activity; import android.content.Intent; import android.content.pm.ActivityInfo; 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.data.nfc.PurgeTask; import com.tangem.domain.cardReader.CardProtocol; import com.tangem.domain.cardReader.NfcManager; import com.tangem.domain.wallet.TangemCard; import com.tangem.presentation.dialog.NoExtendedLengthSupportDialog; import com.tangem.presentation.dialog.WaitSecurityDelayDialog; import com.tangem.util.Util; import com.tangem.wallet.R; public class PurgeActivity extends AppCompatActivity implements NfcAdapter.ReaderCallback, CardProtocol.Notifications { public static final String TAG = PurgeActivity.class.getSimpleName(); public static final int RESULT_INVALID_PIN = Activity.RESULT_FIRST_USER; private TangemCard mCard; private NfcManager mNfcManager; private ProgressBar progressBar; private PurgeTask purgeTask; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_purge); setRequestedOrientation (ActivityInfo.SCREEN_ORIENTATION_PORTRAIT); mNfcManager = new NfcManager(this, this); MainActivity.Companion.commonInit(getApplicationContext()); mCard = new TangemCard(getIntent().getStringExtra("UID")); mCard.LoadFromBundle(getIntent().getExtras().getBundle("Card")); TextView tvCardID = findViewById(R.id.tvCardID); progressBar = findViewById(R.id.progressBar); tvCardID.setText(mCard.getCIDDescription()); progressBar.setProgressTintList(ColorStateList.valueOf(Color.DKGRAY)); progressBar.setVisibility(View.INVISIBLE); } @Override public void onResume() { super.onResume(); mNfcManager.onResume(); } @Override public void onPause() { mNfcManager.onPause(); if (purgeTask != null) { purgeTask.cancel(true); } super.onPause(); } @Override public void onStop() { // dismiss enable NFC dialog mNfcManager.onStop(); if (purgeTask != null) { purgeTask.cancel(true); } super.onStop(); } @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(TAG, "UID: " + sUID); if (sUID.equals(mCard.getUID())) { isoDep.setTimeout(mCard.getPauseBeforePIN2() + 65000); purgeTask = new PurgeTask(this, mCard, mNfcManager, isoDep, this); purgeTask.start(); } else { // Log.d(TAG, "Mismatch card UID (" + sUID + " instead of " + mCard.getUID() + ")"); mNfcManager.ignoreTag(isoDep.getTag()); } } catch (Exception e) { e.printStackTrace(); } } @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); } public void OnReadStart(CardProtocol cardProtocol) { progressBar.post(() -> { progressBar.setVisibility(View.VISIBLE); progressBar.setProgress(5); }); } public void OnReadFinish(final CardProtocol cardProtocol) { purgeTask = null; if (cardProtocol != null) { if (cardProtocol.getError() == null) { progressBar.post(() -> { 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(() -> { progressBar.setProgress(100); progressBar.setProgressTintList(ColorStateList.valueOf(Color.RED)); }); progressBar.postDelayed(() -> { try { progressBar.setProgress(0); progressBar.setProgressTintList(ColorStateList.valueOf(Color.DKGRAY)); progressBar.setVisibility(View.INVISIBLE); Intent intent = new Intent(); intent.putExtra("UID", cardProtocol.getCard().getUID()); intent.putExtra("Card", cardProtocol.getCard().getAsBundle()); intent.putExtra("message", getString(R.string.cannot_erase_wallet)); setResult(RESULT_INVALID_PIN, intent); finish(); } catch (Exception e) { e.printStackTrace(); } }, 500); return; } else { progressBar.post(() -> { if (cardProtocol.getError() instanceof CardProtocol.TangemException_ExtendedLengthNotSupported) { if (!NoExtendedLengthSupportDialog.Companion.getAllReadyShowed()) { new NoExtendedLengthSupportDialog().show(getFragmentManager(), NoExtendedLengthSupportDialog.Companion.getTAG()); } } else Toast.makeText(getBaseContext(), R.string.try_to_scan_again, Toast.LENGTH_LONG).show(); progressBar.setProgress(100); progressBar.setProgressTintList(ColorStateList.valueOf(Color.RED)); }); } } } progressBar.postDelayed(() -> { 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(() -> progressBar.setProgress(progress)); } public void OnReadCancel() { purgeTask = null; progressBar.postDelayed(() -> { try { progressBar.setProgress(0); progressBar.setProgressTintList(ColorStateList.valueOf(Color.DKGRAY)); progressBar.setVisibility(View.INVISIBLE); } catch (Exception e) { e.printStackTrace(); } }, 500); } }