Updated on 2026-08-14

app/src/main/java/com/tangem/App.java

@@ -3,10 +3,13 @@ package com.tangem;
 import android.app.Application;
 import android.support.v7.app.AppCompatDelegate;
 
+import com.tangem.data.db.PINStorage;
 import com.tangem.di.DaggerNavigatorComponent;
 import com.tangem.di.DaggerNetworkComponent;
 import com.tangem.di.NavigatorComponent;
 import com.tangem.di.NetworkComponent;
+import com.tangem.domain.cardReader.Firmwares;
+import com.tangem.domain.wallet.Issuer;
 
 public class App extends Application {
 
@@ -38,6 +41,16 @@ public class App extends Application {
 
         networkComponent = DaggerNetworkComponent.create();
         navigatorComponent = buildNavigatorComponent();
+
+        // common init
+        if (PINStorage.needInit())
+            PINStorage.init(getApplicationContext());
+
+        if (Issuer.needInit())
+            Issuer.init(getApplicationContext());
+
+        if (Firmwares.needInit())
+            Firmwares.init(getApplicationContext());
     }
 
     /**

app/src/main/java/com/tangem/data/nfc/ReadCardInfoTask.java

@@ -27,8 +27,8 @@ public class ReadCardInfoTask extends Thread {
     private static String lastRead_UID;
 
     public static void resetLastReadInfo() {
-        lastRead_UID="";
+        lastRead_UID = "";
-        lastRead_Encryption=null;
+        lastRead_Encryption = null;
         lastRead_UnsuccessfullPINs.clear();
     }
 

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

@@ -61,7 +61,7 @@ class ConfirmPaymentActivity : AppCompatActivity(), NfcAdapter.ReaderCallback {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_confirm_payment)
 
-        MainActivity.commonInit(applicationContext)
+//        MainActivity.commonInit(applicationContext)
 
         nfcManager = NfcManager(this, this)
 

app/src/main/java/com/tangem/presentation/activity/CreateNewWalletActivity.kt

@@ -43,7 +43,7 @@ class CreateNewWalletActivity : AppCompatActivity(), NfcAdapter.ReaderCallback,
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_create_new_wallet)
 
-        MainActivity.commonInit(applicationContext)
+//        MainActivity.commonInit(applicationContext)
 
         nfcManager = NfcManager(this, this)
 

app/src/main/java/com/tangem/presentation/activity/EmptyWalletActivity.kt

@@ -46,7 +46,7 @@ class EmptyWalletActivity : AppCompatActivity(), NfcAdapter.ReaderCallback, Card
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_empty_wallet)
 
-        MainActivity.commonInit(applicationContext)
+//        MainActivity.commonInit(applicationContext)
 
         nfcManager = NfcManager(this, this)
 

app/src/main/java/com/tangem/presentation/activity/LoadedWalletActivity.kt

@@ -33,7 +33,7 @@ class LoadedWalletActivity : AppCompatActivity() {
 
         App.getNavigatorComponent().inject(this)
 
-        MainActivity.commonInit(applicationContext)
+//        MainActivity.commonInit(applicationContext)
 
         if (intent.extras!!.containsKey(NfcAdapter.EXTRA_TAG)) {
             val tag = intent.getParcelableExtra<Tag>(NfcAdapter.EXTRA_TAG)

app/src/main/java/com/tangem/presentation/activity/MainActivity.kt

@@ -55,16 +55,16 @@ class MainActivity : AppCompatActivity(), NfcAdapter.ReaderCallback, CardProtoco
 
         fun callingIntent(context: Context) = Intent(context, MainActivity::class.java)
 
-        fun commonInit(context: Context) {
+//        fun commonInit(context: Context) {
-            if (PINStorage.needInit())
+//            if (PINStorage.needInit())
-                PINStorage.init(context)
+//                PINStorage.init(context)
-
+//
-            if (Issuer.needInit())
+//            if (Issuer.needInit())
-                Issuer.init(context)
+//                Issuer.init(context)
-
+//
-            if (Firmwares.needInit())
+//            if (Firmwares.needInit())
-                Firmwares.init(context)
+//                Firmwares.init(context)
-        }
+//        }
     }
 
     private var nfcManager: NfcManager? = null
@@ -101,7 +101,7 @@ class MainActivity : AppCompatActivity(), NfcAdapter.ReaderCallback, CardProtoco
 
         requestedOrientation = ActivityInfo.SCREEN_ORIENTATION_NOSENSOR
 
-        commonInit(applicationContext)
+//        commonInit(applicationContext)
 
         setNfcAdapterReaderCallback(this)
 

app/src/main/java/com/tangem/presentation/activity/PinRequestActivity.kt

@@ -53,7 +53,7 @@ class PinRequestActivity : AppCompatActivity(), NfcAdapter.ReaderCallback, Finge
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_pin_request)
 
-        MainActivity.commonInit(applicationContext)
+//        MainActivity.commonInit(applicationContext)
 
         nfcManager = NfcManager(this, this)
 

app/src/main/java/com/tangem/presentation/activity/PinSaveActivity.kt

@@ -56,7 +56,7 @@ class PinSaveActivity : AppCompatActivity(), FingerprintHelper.FingerprintHelper
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_pin_save)
 
-        MainActivity.commonInit(applicationContext)
+//        MainActivity.commonInit(applicationContext)
 
         usePIN2 = intent.getBooleanExtra("PIN2", false)
 

app/src/main/java/com/tangem/presentation/activity/PinSwapActivity.kt

@@ -44,7 +44,7 @@ class PinSwapActivity : AppCompatActivity(), NfcAdapter.ReaderCallback, CardProt
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_pin_swap)
 
-        MainActivity.commonInit(applicationContext)
+//        MainActivity.commonInit(applicationContext)
 
         nfcManager = NfcManager(this, this)
 

app/src/main/java/com/tangem/presentation/activity/PrepareCryptonitOtherApiWithdrawalActivity.kt

@@ -38,7 +38,7 @@ class PrepareCryptonitOtherApiWithdrawalActivity : AppCompatActivity(), NfcAdapt
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_prepare_cryptonit_other_api_withdrawal)
 
-        MainActivity.commonInit(applicationContext)
+//        MainActivity.commonInit(applicationContext)
 
         nfcManager = NfcManager(this, this)
 
@@ -57,7 +57,7 @@ class PrepareCryptonitOtherApiWithdrawalActivity : AppCompatActivity(), NfcAdapt
         tvCurrency.text = engine!!.balanceCurrency
 
         etAmount.setText(engine.convertToAmount(engine.convertToInternalAmount(ctx.card!!.denomination)).toValueString())
-        etAmount.filters=engine.amountInputFilters
+        etAmount.filters = engine.amountInputFilters
 
         // set listeners
         btnLoad.setOnClickListener {
@@ -66,7 +66,7 @@ class PrepareCryptonitOtherApiWithdrawalActivity : AppCompatActivity(), NfcAdapt
                 val strAmount: String = etAmount.text.toString().replace(",", ".")
 //                if (!engine.checkAmount(card, strAmount))
 //                    etAmount.error = getString(R.string.unknown_amount_format)
-                var dblAmount: Double = strAmount.toDouble()
+                val dblAmount: Double = strAmount.toDouble()
 
                 rlProgressBar.visibility = View.VISIBLE
                 tvProgressDescription.text = getString(R.string.cryptonit_request_withdrawal)
@@ -177,8 +177,8 @@ class PrepareCryptonitOtherApiWithdrawalActivity : AppCompatActivity(), NfcAdapt
 
     override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
         super.onActivityResult(requestCode, resultCode, data)
-        if( resultCode == Activity.RESULT_OK && data != null && data.extras!!.containsKey("QRCode") ) {
+        if (resultCode == Activity.RESULT_OK && data != null && data.extras!!.containsKey("QRCode")) {
-            when(requestCode) {
+            when (requestCode) {
                 REQUEST_CODE_SCAN_QR_KEY -> {
                     cryptonit!!.key = data.getStringExtra("QRCode")
                     tvKey!!.text = cryptonit!!.key

app/src/main/java/com/tangem/presentation/activity/PrepareCryptonitWithdrawalActivity.kt

@@ -39,7 +39,7 @@ class PrepareCryptonitWithdrawalActivity : AppCompatActivity(), NfcAdapter.Reade
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_prepare_cryptonit_withdrawal)
 
-        MainActivity.commonInit(applicationContext)
+//        MainActivity.commonInit(applicationContext)
 
         nfcManager = NfcManager(this, this)
 

app/src/main/java/com/tangem/presentation/activity/PrepareKrakenWithdrawalActivity.kt

@@ -45,7 +45,7 @@ class PrepareKrakenWithdrawalActivity : AppCompatActivity(), NfcAdapter.ReaderCa
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_prepare_kraken_withdrawal)
 
-        MainActivity.commonInit(applicationContext)
+//        MainActivity.commonInit(applicationContext)
 
         nfcManager = NfcManager(this, this)
 

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

@@ -37,7 +37,7 @@ class PreparePaymentActivity : AppCompatActivity(), NfcAdapter.ReaderCallback {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_prepare_payment)
 
-        MainActivity.commonInit(applicationContext)
+//        MainActivity.commonInit(applicationContext)
 
         nfcManager = NfcManager(this, this)
 

app/src/main/java/com/tangem/presentation/activity/PurgeActivity.kt

@@ -42,7 +42,7 @@ class PurgeActivity : AppCompatActivity(), NfcAdapter.ReaderCallback, CardProtoc
 
         nfcManager = NfcManager(this, this)
 
-        MainActivity.commonInit(applicationContext)
+//        MainActivity.commonInit(applicationContext)
 
         ctx = TangemContext.loadFromBundle(this, intent.extras)
 

app/src/main/java/com/tangem/presentation/activity/SendTransactionActivity.kt

@@ -36,7 +36,7 @@ class SendTransactionActivity : AppCompatActivity(), NfcAdapter.ReaderCallback {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_send_transaction)
 
-        MainActivity.commonInit(applicationContext)
+//        MainActivity.commonInit(applicationContext)
 
         nfcManager = NfcManager(this, this)
 

app/src/main/java/com/tangem/presentation/activity/SignPaymentActivity.kt

@@ -56,7 +56,7 @@ class SignPaymentActivity : AppCompatActivity(), NfcAdapter.ReaderCallback, Card
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_sign_payment)
 
-        MainActivity.commonInit(applicationContext)
+//        MainActivity.commonInit(applicationContext)
 
         nfcManager = NfcManager(this, this)
 

app/src/main/java/com/tangem/presentation/activity/VerifyCardActivity.kt

@@ -34,7 +34,7 @@ class VerifyCardActivity : AppCompatActivity() {
 
         App.getNavigatorComponent().inject(this)
 
-        MainActivity.commonInit(applicationContext)
+//        MainActivity.commonInit(applicationContext)
     }
 
     override fun onBackPressed() {

app/src/main/java/com/tangem/presentation/dialog/WaitSecurityDelayDialog.java

@@ -143,6 +143,7 @@ public class WaitSecurityDelayDialog extends DialogFragment {
 
             if (msec == 0) {
                 if (instance != null) {
+                    // TODO java.lang.NullPointerException: Attempt to invoke virtual method 'android.support.v4.app.FragmentTransaction android.support.v4.app.FragmentManager.beginTransaction()' on a null object reference
                     instance.dismiss();
                     instance = null;
                 }