Updated on 2026-08-14

app/build.gradle

@@ -15,7 +15,7 @@ android {
         applicationId "com.tangem.wallet"
         minSdkVersion 21
         targetSdkVersion 27
-        versionCode 31
+        versionCode 32
         versionName "0.85.5." + generateVersionName()
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
     }

app/src/main/java/com/tangem/presentation/activity/ConfirmPaymentActivity.java

@@ -429,7 +429,7 @@ public class ConfirmPaymentActivity extends AppCompatActivity implements NfcAdap
         } else {
             tvBalance.setText(engine.GetBalanceWithAlter(mCard));
         }
-        etAmount.setText(getIntent().getStringExtra("Amount"));
+        etAmount.setText(getIntent().getStringExtra(SignPaymentActivity.EXTRA_AMOUNT));
         tvCurrency.setText(engine.GetBalanceCurrency(mCard));
         tvCurrency2.setText(engine.GetFeeCurrency());
 
@@ -593,7 +593,11 @@ public class ConfirmPaymentActivity extends AppCompatActivity implements NfcAdap
                 intent.putExtra("UID", mCard.getUID());
                 intent.putExtra("Card", mCard.getAsBundle());
                 intent.putExtra("Wallet", etWallet.getText().toString());
-                intent.putExtra("Amount", etAmount.getText().toString());
+                intent.putExtra(SignPaymentActivity.EXTRA_AMOUNT, etAmount.getText().toString());
+
+//                if (BuildConfig.DEBUG)
+//                    Toast.makeText(this, etAmount.getText().toString(), Toast.LENGTH_LONG).show();
+
                 intent.putExtra("Fee", etFee.getText().toString());
                 startActivityForResult(intent, REQUEST_CODE_SIGN_PAYMENT);
             } else {

app/src/main/java/com/tangem/presentation/activity/PreparePaymentActivity.java

@@ -16,6 +16,7 @@ import android.widget.Button;
 import android.widget.EditText;
 import android.widget.ImageView;
 import android.widget.TextView;
+import android.widget.Toast;
 
 import com.tangem.domain.cardReader.NfcManager;
 import com.tangem.domain.wallet.Blockchain;
@@ -23,6 +24,7 @@ import com.tangem.domain.wallet.CoinEngine;
 import com.tangem.domain.wallet.CoinEngineFactory;
 import com.tangem.domain.wallet.TangemCard;
 import com.tangem.util.FormatUtil;
+import com.tangem.wallet.BuildConfig;
 import com.tangem.wallet.R;
 
 import java.io.IOException;
@@ -104,6 +106,7 @@ public class PreparePaymentActivity extends AppCompatActivity implements NfcAdap
 //                    e.printStackTrace();
 //                    tvAmountEquivalent.setText("");
 //                }
+
             }
 
             @Override
@@ -136,7 +139,11 @@ public class PreparePaymentActivity extends AppCompatActivity implements NfcAdap
 
         btnVerify.setOnClickListener(v -> {
             String strAmount;
-            strAmount = etAmount.getText().toString().replace(",",".");
+            strAmount = etAmount.getText().toString().replace(",", ".");
+
+            if (BuildConfig.DEBUG)
+                Toast.makeText(this, strAmount, Toast.LENGTH_LONG).show();
+
             CoinEngine engine1 = CoinEngineFactory.Create(mCard.getBlockchain());
 
             Log.i(TAG, mCard.getBlockchain().getOfficialName());
@@ -150,7 +157,11 @@ public class PreparePaymentActivity extends AppCompatActivity implements NfcAdap
                 return;
             }
 
-            boolean checkAddress = engine1.ValdateAddress(etWallet.getText().toString(), mCard);
+            boolean checkAddress = false;
+            if (engine1 != null) {
+                checkAddress = engine1.ValdateAddress(etWallet.getText().toString(), mCard);
+            }
+
             if (!checkAddress) {
                 etWallet.setError(getString(R.string.incorrect_destination_wallet_address));
                 return;
@@ -165,7 +176,7 @@ public class PreparePaymentActivity extends AppCompatActivity implements NfcAdap
             intent.putExtra("UID", mCard.getUID());
             intent.putExtra("Card", mCard.getAsBundle());
             intent.putExtra("Wallet", etWallet.getText().toString());
-            intent.putExtra("Amount", strAmount);
+            intent.putExtra(SignPaymentActivity.EXTRA_AMOUNT, strAmount);
             startActivityForResult(intent, REQUEST_CODE_SEND_PAYMENT);
         });