diff --git a/app/build.gradle b/app/build.gradle
index 0419d814a4..9a0201b554 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -44,12 +44,15 @@ android {
 }
 
 dependencies {
+    def lifecycle_version = "2.0.0"
+
     implementation project(':tangemcard-common')
     implementation project(':tangemcard-android')
     implementation project(':tangemserver-android')
     implementation 'androidx.appcompat:appcompat:1.1.0-alpha01'
     implementation 'androidx.legacy:legacy-support-v4:1.0.0'
     implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
+    implementation "androidx.lifecycle:lifecycle-extensions:$lifecycle_version"
     implementation 'com.google.android.material:material:1.1.0-alpha02'
     implementation 'com.google.dagger:dagger:2.16'
     implementation 'com.google.zxing:core:3.3.3'
diff --git a/app/src/main/java/com/tangem/presentation/activity/ConfirmTransactionActivity.kt b/app/src/main/java/com/tangem/presentation/activity/ConfirmTransactionActivity.kt
index aa7826c36f..290d86db93 100644
--- a/app/src/main/java/com/tangem/presentation/activity/ConfirmTransactionActivity.kt
+++ b/app/src/main/java/com/tangem/presentation/activity/ConfirmTransactionActivity.kt
@@ -44,6 +44,7 @@ class ConfirmTransactionActivity : AppCompatActivity(), NfcAdapter.ReaderCallbac
         setContentView(R.layout.activity_confirm_transaction)
 
         nfcManager = NfcManager(this, this)
+        lifecycle.addObserver(NfcLifecycleObserver(nfcManager))
 
         ctx = TangemContext.loadFromBundle(this, intent.extras)
 
@@ -185,21 +186,6 @@ class ConfirmTransactionActivity : AppCompatActivity(), NfcAdapter.ReaderCallbac
                 amount)
     }
 
-    public override fun onResume() {
-        super.onResume()
-        nfcManager.onResume()
-    }
-
-    public override fun onPause() {
-        super.onPause()
-        nfcManager.onPause()
-    }
-
-    public override fun onStop() {
-        super.onStop()
-        nfcManager.onStop()
-    }
-
     override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
         super.onActivityResult(requestCode, resultCode, data)
         if (requestCode == Constant.REQUEST_CODE_SIGN_TRANSACTION) {
diff --git a/app/src/main/java/com/tangem/presentation/activity/CreateNewWalletActivity.kt b/app/src/main/java/com/tangem/presentation/activity/CreateNewWalletActivity.kt
index 2d658484a7..97da6ec7c5 100644
--- a/app/src/main/java/com/tangem/presentation/activity/CreateNewWalletActivity.kt
+++ b/app/src/main/java/com/tangem/presentation/activity/CreateNewWalletActivity.kt
@@ -9,14 +9,9 @@ import android.nfc.NfcAdapter
 import android.nfc.Tag
 import android.nfc.tech.IsoDep
 import android.os.Bundle
-import androidx.appcompat.app.AppCompatActivity
 import android.view.View
-import android.view.animation.Animation
-import android.view.animation.DecelerateInterpolator
-import android.view.animation.Transformation
-import android.widget.ProgressBar
-import android.widget.RelativeLayout
 import android.widget.Toast
+import androidx.appcompat.app.AppCompatActivity
 import com.tangem.App
 import com.tangem.Constant
 import com.tangem.domain.wallet.TangemContext
@@ -57,6 +52,7 @@ class CreateNewWalletActivity : AppCompatActivity(), NfcAdapter.ReaderCallback,
         setContentView(R.layout.activity_create_new_wallet)
 
         nfcManager = NfcManager(this, this)
+        lifecycle.addObserver(NfcLifecycleObserver(nfcManager))
 
         ctx = TangemContext.loadFromBundle(this, intent.extras)
 
@@ -96,26 +92,11 @@ class CreateNewWalletActivity : AppCompatActivity(), NfcAdapter.ReaderCallback,
         }
     }
 
-    public override fun onResume() {
-        super.onResume()
-        nfcManager.onResume()
-    }
-
     public override fun onPause() {
-        nfcManager.onPause()
-        if (createNewWalletTask != null)
-            createNewWalletTask!!.cancel(true)
+        createNewWalletTask?.cancel(true)
         super.onPause()
     }
 
-    public override fun onStop() {
-        // dismiss enable NFC dialog
-        nfcManager.onStop()
-        if (createNewWalletTask != null)
-            createNewWalletTask!!.cancel(true)
-        super.onStop()
-    }
-
     override fun onReadStart(cardProtocol: CardProtocol) {
         rlProgressBar?.post { rlProgressBar.visibility = View.VISIBLE }
 
diff --git a/app/src/main/java/com/tangem/presentation/activity/EmptyWalletActivity.kt b/app/src/main/java/com/tangem/presentation/activity/EmptyWalletActivity.kt
index 25218e0f0f..7aaa9aadde 100644
--- a/app/src/main/java/com/tangem/presentation/activity/EmptyWalletActivity.kt
+++ b/app/src/main/java/com/tangem/presentation/activity/EmptyWalletActivity.kt
@@ -64,6 +64,7 @@ class EmptyWalletActivity : AppCompatActivity(), NfcAdapter.ReaderCallback, Card
         App.getNavigatorComponent().inject(this)
 
         nfcManager = NfcManager(this, this)
+        lifecycle.addObserver(NfcLifecycleObserver(nfcManager))
 
         ctx = TangemContext.loadFromBundle(this, intent.extras)
 
@@ -99,21 +100,6 @@ class EmptyWalletActivity : AppCompatActivity(), NfcAdapter.ReaderCallback, Card
         }
     }
 
-    public override fun onResume() {
-        super.onResume()
-        nfcManager.onResume()
-    }
-
-    public override fun onPause() {
-        super.onPause()
-        nfcManager.onPause()
-    }
-
-    public override fun onStop() {
-        super.onStop()
-        nfcManager.onStop()
-    }
-
     override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
         if (requestCode == Constant.REQUEST_CODE_CREATE_NEW_WALLET_ACTIVITY) {
             if (resultCode == Activity.RESULT_OK) {
diff --git a/app/src/main/java/com/tangem/presentation/activity/MainActivity.kt b/app/src/main/java/com/tangem/presentation/activity/MainActivity.kt
index f3bae0bdf9..d4fe8a6c5b 100644
--- a/app/src/main/java/com/tangem/presentation/activity/MainActivity.kt
+++ b/app/src/main/java/com/tangem/presentation/activity/MainActivity.kt
@@ -86,6 +86,7 @@ class MainActivity : AppCompatActivity(), NfcAdapter.ReaderCallback, CardProtoco
         requestedOrientation = ActivityInfo.SCREEN_ORIENTATION_PORTRAIT
 
         nfcManager = NfcManager(this, this)
+        lifecycle.addObserver(NfcLifecycleObserver(nfcManager))
 
         verifyPermissions()
 
@@ -243,18 +244,14 @@ class MainActivity : AppCompatActivity(), NfcAdapter.ReaderCallback, CardProtoco
         super.onResume()
         nfcAntenna.animate()
         ReadCardInfoTask.resetLastReadInfo()
-        nfcManager.onResume()
     }
 
     public override fun onPause() {
-        nfcManager.onPause()
         readCardInfoTask?.cancel(true)
         super.onPause()
     }
 
     public override fun onStop() {
-        // dismiss enable NFC dialog
-        nfcManager.onStop()
         readCardInfoTask?.cancel(true)
         super.onStop()
     }
diff --git a/app/src/main/java/com/tangem/presentation/activity/NfcLifecycleObserver.kt b/app/src/main/java/com/tangem/presentation/activity/NfcLifecycleObserver.kt
new file mode 100644
index 0000000000..73d9b6dccf
--- /dev/null
+++ b/app/src/main/java/com/tangem/presentation/activity/NfcLifecycleObserver.kt
@@ -0,0 +1,25 @@
+package com.tangem.presentation.activity
+
+import androidx.lifecycle.Lifecycle
+import androidx.lifecycle.LifecycleObserver
+import androidx.lifecycle.OnLifecycleEvent
+import com.tangem.tangemcard.android.reader.NfcManager
+
+class NfcLifecycleObserver(private var nfcManager: NfcManager) : LifecycleObserver {
+
+    @OnLifecycleEvent(Lifecycle.Event.ON_RESUME)
+    fun onResume() {
+        nfcManager.onResume()
+    }
+
+    @OnLifecycleEvent(Lifecycle.Event.ON_PAUSE)
+    fun onPause() {
+        nfcManager.onPause()
+    }
+
+    @OnLifecycleEvent(Lifecycle.Event.ON_STOP)
+    fun onStop() {
+        nfcManager.onStop()
+    }
+
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/tangem/presentation/activity/PinRequestActivity.kt b/app/src/main/java/com/tangem/presentation/activity/PinRequestActivity.kt
index ec5851e00c..25f9e20784 100644
--- a/app/src/main/java/com/tangem/presentation/activity/PinRequestActivity.kt
+++ b/app/src/main/java/com/tangem/presentation/activity/PinRequestActivity.kt
@@ -100,6 +100,7 @@ class PinRequestActivity : AppCompatActivity(), NfcAdapter.ReaderCallback, Finge
         setContentView(R.layout.activity_pin_request)
 
         nfcManager = NfcManager(this, this)
+        lifecycle.addObserver(NfcLifecycleObserver(nfcManager))
 
         mode = Mode.valueOf(intent.getStringExtra(Constant.EXTRA_MODE))
 
@@ -171,7 +172,6 @@ class PinRequestActivity : AppCompatActivity(), NfcAdapter.ReaderCallback, Finge
 
     override fun onPause() {
         super.onPause()
-
         if (fingerprintHelper != null)
             fingerprintHelper!!.cancel()
 
@@ -179,8 +179,6 @@ class PinRequestActivity : AppCompatActivity(), NfcAdapter.ReaderCallback, Finge
             startFingerprintReaderTask!!.cancel(true)
             startFingerprintReaderTask = null
         }
-
-        nfcManager.onPause()
     }
 
     override fun onStop() {
@@ -192,13 +190,10 @@ class PinRequestActivity : AppCompatActivity(), NfcAdapter.ReaderCallback, Finge
             startFingerprintReaderTask!!.cancel(true)
             startFingerprintReaderTask = null
         }
-
-        nfcManager.onStop()
     }
 
     override fun onResume() {
         super.onResume()
-        nfcManager.onResume()
         if (allowFingerprint)
             startFingerprintReader()
     }
diff --git a/app/src/main/java/com/tangem/presentation/activity/PinSwapActivity.kt b/app/src/main/java/com/tangem/presentation/activity/PinSwapActivity.kt
index 95272c5346..49aa637d0e 100644
--- a/app/src/main/java/com/tangem/presentation/activity/PinSwapActivity.kt
+++ b/app/src/main/java/com/tangem/presentation/activity/PinSwapActivity.kt
@@ -56,6 +56,7 @@ class PinSwapActivity : AppCompatActivity(), NfcAdapter.ReaderCallback, CardProt
         setContentView(R.layout.activity_pin_swap)
 
         nfcManager = NfcManager(this, this)
+        lifecycle.addObserver(NfcLifecycleObserver(nfcManager))
 
         card = TangemCard(intent.getStringExtra(EXTRA_TANGEM_CARD_UID))
         card!!.loadFromBundle(intent.extras!!.getBundle(EXTRA_TANGEM_CARD))
@@ -92,23 +93,13 @@ class PinSwapActivity : AppCompatActivity(), NfcAdapter.ReaderCallback, CardProt
         }
     }
 
-    public override fun onResume() {
-        super.onResume()
-        nfcManager.onResume()
-    }
-
     public override fun onPause() {
-        nfcManager.onPause()
-        if (swapPinTask != null)
-            swapPinTask!!.cancel(true)
+        swapPinTask?.cancel(true)
         super.onPause()
     }
 
     public override fun onStop() {
-        // dismiss enable NFC dialog
-        nfcManager.onStop()
-        if (swapPinTask != null)
-            swapPinTask!!.cancel(true)
+        swapPinTask?.cancel(true)
         super.onStop()
     }
 
diff --git a/app/src/main/java/com/tangem/presentation/activity/PrepareCryptonitOtherApiWithdrawalActivity.kt b/app/src/main/java/com/tangem/presentation/activity/PrepareCryptonitOtherApiWithdrawalActivity.kt
index 9d13b3c9e4..4450912190 100644
--- a/app/src/main/java/com/tangem/presentation/activity/PrepareCryptonitOtherApiWithdrawalActivity.kt
+++ b/app/src/main/java/com/tangem/presentation/activity/PrepareCryptonitOtherApiWithdrawalActivity.kt
@@ -44,6 +44,7 @@ class PrepareCryptonitOtherApiWithdrawalActivity : AppCompatActivity(), NfcAdapt
         App.getNavigatorComponent().inject(this)
 
         nfcManager = NfcManager(this, this)
+        lifecycle.addObserver(NfcLifecycleObserver(nfcManager))
 
         ctx = TangemContext.loadFromBundle(this, intent.extras)
 
@@ -129,47 +130,6 @@ class PrepareCryptonitOtherApiWithdrawalActivity : AppCompatActivity(), NfcAdapt
         doRequestBalance()
     }
 
-    private fun doRequestBalance() {
-        if (cryptonit!!.havaAccountInfo()) {
-            rlProgressBar.visibility = View.VISIBLE
-            tvProgressDescription.text = getString(R.string.cryptonit_request_balance)
-            tvError.visibility = View.INVISIBLE
-            cryptonit!!.requestBalance(ctx.blockchain.currency, "USD")
-        } else {
-            tvError.visibility = View.VISIBLE
-            tvError.text = getString(R.string.cryptonit_not_enough_account_data)
-        }
-    }
-
-//    private fun EditText.afterTextChanged(afterTextChanged: (String) -> Unit) {
-//        this.addTextChangedListener(object : TextWatcher {
-//            override fun beforeTextChanged(p0: CharSequence?, p1: Int, p2: Int, p3: Int) {
-//            }
-//
-//            override fun onTextChanged(p0: CharSequence?, p1: Int, p2: Int, p3: Int) {
-//            }
-//
-//            override fun afterTextChanged(editable: Editable?) {
-//                afterTextChanged.invoke(editable.toString())
-//            }
-//        })
-//    }
-
-    public override fun onResume() {
-        super.onResume()
-        nfcManager.onResume()
-    }
-
-    public override fun onPause() {
-        super.onPause()
-        nfcManager.onPause()
-    }
-
-    public override fun onStop() {
-        super.onStop()
-        nfcManager.onStop()
-    }
-
     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")) {
@@ -198,7 +158,18 @@ class PrepareCryptonitOtherApiWithdrawalActivity : AppCompatActivity(), NfcAdapt
         } catch (e: IOException) {
             e.printStackTrace()
         }
+    }
 
+    private fun doRequestBalance() {
+        if (cryptonit!!.havaAccountInfo()) {
+            rlProgressBar.visibility = View.VISIBLE
+            tvProgressDescription.text = getString(R.string.cryptonit_request_balance)
+            tvError.visibility = View.INVISIBLE
+            cryptonit!!.requestBalance(ctx.blockchain.currency, "USD")
+        } else {
+            tvError.visibility = View.VISIBLE
+            tvError.text = getString(R.string.cryptonit_not_enough_account_data)
+        }
     }
 
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/tangem/presentation/activity/PrepareCryptonitWithdrawalActivity.kt b/app/src/main/java/com/tangem/presentation/activity/PrepareCryptonitWithdrawalActivity.kt
index 18737def81..7f90e8e0b4 100644
--- a/app/src/main/java/com/tangem/presentation/activity/PrepareCryptonitWithdrawalActivity.kt
+++ b/app/src/main/java/com/tangem/presentation/activity/PrepareCryptonitWithdrawalActivity.kt
@@ -28,8 +28,8 @@ class PrepareCryptonitWithdrawalActivity : AppCompatActivity(), NfcAdapter.Reade
         val TAG: String = PrepareCryptonitWithdrawalActivity::class.java.simpleName
     }
 
-    private lateinit var nfcManager: NfcManager
     private lateinit var ctx: TangemContext
+    private lateinit var nfcManager: NfcManager
 
     private var cryptonit: Cryptonit? = null
 
@@ -38,10 +38,11 @@ class PrepareCryptonitWithdrawalActivity : AppCompatActivity(), NfcAdapter.Reade
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_prepare_cryptonit_withdrawal)
 
-        nfcManager = NfcManager(this, this)
-
         ctx = TangemContext.loadFromBundle(this, intent.extras)
 
+        nfcManager = NfcManager(this, this)
+        lifecycle.addObserver(NfcLifecycleObserver(nfcManager))
+
         cryptonit = Cryptonit(this)
 
         etUsername.setText(cryptonit!!.username)
@@ -56,9 +57,9 @@ class PrepareCryptonitWithdrawalActivity : AppCompatActivity(), NfcAdapter.Reade
         tvFeeCurrency.text = engine.feeCurrency
 
         etAmount.setText(engine.convertToAmount(engine.convertToInternalAmount(ctx.card!!.denomination)).toValueString())
-        etAmount.filters=engine.amountInputFilters
+        etAmount.filters = engine.amountInputFilters
 
-        etAmount.setOnEditorActionListener { lv, actionId, event ->
+        etAmount.setOnEditorActionListener { lv, actionId, _ ->
             if (actionId == EditorInfo.IME_ACTION_DONE) {
                 val imm = lv.context.getSystemService(Context.INPUT_METHOD_SERVICE) as InputMethodManager
                 imm.hideSoftInputFromWindow(lv.windowToken, 0)
@@ -125,7 +126,7 @@ class PrepareCryptonitWithdrawalActivity : AppCompatActivity(), NfcAdapter.Reade
         cryptonit!!.setWithdrawalListener { response ->
             rlProgressBar.visibility = View.INVISIBLE
             if (response.success != null && response.success!!) {
-                Toast.makeText(this, "Withdrawal successful!", Toast.LENGTH_LONG).show();
+                Toast.makeText(this, R.string.withdrawal_successful, Toast.LENGTH_LONG).show();
                 finish()
             } else {
                 tvError.visibility = View.VISIBLE
@@ -136,6 +137,14 @@ class PrepareCryptonitWithdrawalActivity : AppCompatActivity(), NfcAdapter.Reade
         doRequestBalance()
     }
 
+    override fun onTagDiscovered(tag: Tag) {
+        try {
+            nfcManager.ignoreTag(tag)
+        } catch (e: IOException) {
+            e.printStackTrace()
+        }
+    }
+
     private fun doRequestBalance() {
         if (cryptonit!!.haveAccountInfo()) {
             rlProgressBar.visibility = View.VISIBLE
@@ -148,28 +157,4 @@ class PrepareCryptonitWithdrawalActivity : AppCompatActivity(), NfcAdapter.Reade
         }
     }
 
-    public override fun onResume() {
-        super.onResume()
-        nfcManager.onResume()
-    }
-
-    public override fun onPause() {
-        super.onPause()
-        nfcManager.onPause()
-    }
-
-    public override fun onStop() {
-        super.onStop()
-        nfcManager.onStop()
-    }
-
-    override fun onTagDiscovered(tag: Tag) {
-        try {
-            nfcManager.ignoreTag(tag)
-        } catch (e: IOException) {
-            e.printStackTrace()
-        }
-
-    }
-
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/tangem/presentation/activity/PrepareKrakenWithdrawalActivity.kt b/app/src/main/java/com/tangem/presentation/activity/PrepareKrakenWithdrawalActivity.kt
index b99dfa531c..74f190c552 100644
--- a/app/src/main/java/com/tangem/presentation/activity/PrepareKrakenWithdrawalActivity.kt
+++ b/app/src/main/java/com/tangem/presentation/activity/PrepareKrakenWithdrawalActivity.kt
@@ -38,7 +38,8 @@ class PrepareKrakenWithdrawalActivity : AppCompatActivity(), NfcAdapter.ReaderCa
     }
 
     private lateinit var ctx: TangemContext
-    private var nfcManager: NfcManager? = null
+    private lateinit var nfcManager: NfcManager
+
     private var kraken: Kraken? = null
     private var fee: BigDecimal? = null
 
@@ -52,10 +53,11 @@ class PrepareKrakenWithdrawalActivity : AppCompatActivity(), NfcAdapter.ReaderCa
 
         App.getNavigatorComponent().inject(this)
 
-        nfcManager = NfcManager(this, this)
-
         ctx = TangemContext.loadFromBundle(this, intent.extras)
 
+        nfcManager = NfcManager(this, this)
+        lifecycle.addObserver(NfcLifecycleObserver(nfcManager))
+
         kraken = Kraken(this)
 
         tvKey.text = kraken!!.key
@@ -68,7 +70,7 @@ class PrepareKrakenWithdrawalActivity : AppCompatActivity(), NfcAdapter.ReaderCa
         tvCurrency.text = engine!!.balanceCurrency
 
         etAmount.setText(engine.convertToAmount(engine.convertToInternalAmount(ctx.card!!.denomination)).toValueString())
-        etAmount.filters=engine.amountInputFilters
+        etAmount.filters = engine.amountInputFilters
 
         etAmount.setOnEditorActionListener { lv, actionId, event ->
             if (actionId == EditorInfo.IME_ACTION_DONE) {
@@ -167,7 +169,7 @@ class PrepareKrakenWithdrawalActivity : AppCompatActivity(), NfcAdapter.ReaderCa
         val builder = AlertDialog.Builder(this)
 
         // Set a title for alert dialog
-        builder.setTitle("Please confirm withdraw")
+        builder.setTitle(R.string.please_confirm_withdraw)
 
         // Set a message for alert dialog
         builder.setMessage(String.format("Continue with fee %s %s?", fee!!.toString().trimEnd('0'), ctx.blockchain.currency))
@@ -186,23 +188,22 @@ class PrepareKrakenWithdrawalActivity : AppCompatActivity(), NfcAdapter.ReaderCa
                         rlProgressBar.visibility = View.VISIBLE
                         tvProgressDescription.text = getString(R.string.kraken_request_withdrawal)
 
-                        //Toast.makeText(this, String.format("Withdraw %s!",dblAmount.toString()), Toast.LENGTH_LONG).show()
                         kraken!!.requestWithdraw(ctx.blockchain.currency, dblAmount.toString(), ctx.coinData!!.wallet)
                     } catch (e: Exception) {
                         etAmount.error = getString(R.string.unknown_amount_format)
                     }
                 }
                 DialogInterface.BUTTON_NEGATIVE -> {
-                    Toast.makeText(this, "Operation canceled!", Toast.LENGTH_LONG).show()
+                    Toast.makeText(this, R.string.operation_canceled, Toast.LENGTH_LONG).show()
                 }
             }
         }
 
         // Set the alert dialog positive/yes button
-        builder.setPositiveButton("YES", dialogClickListener)
+        builder.setPositiveButton(R.string.yes, dialogClickListener)
 
         // Set the alert dialog negative/no button
-        builder.setNegativeButton("NO", dialogClickListener)
+        builder.setNegativeButton(R.string.no, dialogClickListener)
 
 
         // Initialize the AlertDialog using builder object
@@ -224,21 +225,6 @@ class PrepareKrakenWithdrawalActivity : AppCompatActivity(), NfcAdapter.ReaderCa
         }
     }
 
-    public override fun onResume() {
-        super.onResume()
-        nfcManager!!.onResume()
-    }
-
-    public override fun onPause() {
-        super.onPause()
-        nfcManager!!.onPause()
-    }
-
-    public override fun onStop() {
-        super.onStop()
-        nfcManager!!.onStop()
-    }
-
     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")) {
@@ -262,12 +248,10 @@ class PrepareKrakenWithdrawalActivity : AppCompatActivity(), NfcAdapter.ReaderCa
 
     override fun onTagDiscovered(tag: Tag) {
         try {
-//            Log.w(javaClass.name, "Ignore discovered tag!")
-            nfcManager!!.ignoreTag(tag)
+            nfcManager.ignoreTag(tag)
         } catch (e: IOException) {
             e.printStackTrace()
         }
-
     }
 
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/tangem/presentation/activity/PrepareTransactionActivity.kt b/app/src/main/java/com/tangem/presentation/activity/PrepareTransactionActivity.kt
index 6050ead283..3cb2c6db29 100644
--- a/app/src/main/java/com/tangem/presentation/activity/PrepareTransactionActivity.kt
+++ b/app/src/main/java/com/tangem/presentation/activity/PrepareTransactionActivity.kt
@@ -47,6 +47,7 @@ class PrepareTransactionActivity : AppCompatActivity(), NfcAdapter.ReaderCallbac
         App.getNavigatorComponent().inject(this)
 
         nfcManager = NfcManager(this, this)
+        lifecycle.addObserver(NfcLifecycleObserver(nfcManager))
 
         ctx = TangemContext.loadFromBundle(this, intent.extras)
 
@@ -129,21 +130,6 @@ class PrepareTransactionActivity : AppCompatActivity(), NfcAdapter.ReaderCallbac
         ivCamera.setOnClickListener { navigator.showQrScanActivity(this, Constant.REQUEST_CODE_SCAN_QR) }
     }
 
-    public override fun onResume() {
-        super.onResume()
-        nfcManager.onResume()
-    }
-
-    public override fun onPause() {
-        super.onPause()
-        nfcManager.onPause()
-    }
-
-    public override fun onStop() {
-        super.onStop()
-        nfcManager.onStop()
-    }
-
     override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
         super.onActivityResult(requestCode, resultCode, data)
         if (requestCode == Constant.REQUEST_CODE_SCAN_QR && resultCode == Activity.RESULT_OK && data != null && data.extras!!.containsKey("QRCode")) {
diff --git a/app/src/main/java/com/tangem/presentation/activity/PurgeActivity.kt b/app/src/main/java/com/tangem/presentation/activity/PurgeActivity.kt
index 2db65fc008..7fc331f2be 100644
--- a/app/src/main/java/com/tangem/presentation/activity/PurgeActivity.kt
+++ b/app/src/main/java/com/tangem/presentation/activity/PurgeActivity.kt
@@ -10,28 +10,21 @@ import android.nfc.NfcAdapter
 import android.nfc.Tag
 import android.nfc.tech.IsoDep
 import android.os.Bundle
-import androidx.appcompat.app.AppCompatActivity
 import android.view.View
-import android.view.animation.Animation
-import android.view.animation.DecelerateInterpolator
-import android.view.animation.Transformation
-import android.widget.RelativeLayout
 import android.widget.Toast
+import androidx.appcompat.app.AppCompatActivity
 import com.tangem.App
-import com.tangem.tangemcard.tasks.PurgeTask
-import com.tangem.tangemcard.reader.CardProtocol
-import com.tangem.tangemcard.android.reader.NfcManager
 import com.tangem.domain.wallet.TangemContext
 import com.tangem.presentation.dialog.NoExtendedLengthSupportDialog
 import com.tangem.presentation.dialog.WaitSecurityDelayDialog
 import com.tangem.presentation.dialog.WaitSecurityDelayDialogNew
 import com.tangem.presentation.event.DeletingWalletFinish
-import com.tangem.presentation.event.ReadAfterRequest
-import com.tangem.presentation.event.ReadBeforeRequest
-import com.tangem.presentation.event.ReadWait
 import com.tangem.tangemcard.android.nfc.DeviceNFCAntennaLocation
+import com.tangem.tangemcard.android.reader.NfcManager
 import com.tangem.tangemcard.android.reader.NfcReader
 import com.tangem.tangemcard.data.asBundle
+import com.tangem.tangemcard.reader.CardProtocol
+import com.tangem.tangemcard.tasks.PurgeTask
 import com.tangem.tangemcard.util.Util
 import com.tangem.util.LOG
 import com.tangem.wallet.R
@@ -72,6 +65,7 @@ class PurgeActivity : AppCompatActivity(), NfcAdapter.ReaderCallback, CardProtoc
         requestedOrientation = ActivityInfo.SCREEN_ORIENTATION_PORTRAIT
 
         nfcManager = NfcManager(this, this)
+        lifecycle.addObserver(NfcLifecycleObserver(nfcManager))
 
         ctx = TangemContext.loadFromBundle(this, intent.extras)
 
@@ -84,20 +78,12 @@ class PurgeActivity : AppCompatActivity(), NfcAdapter.ReaderCallback, CardProtoc
         progressBar.visibility = View.INVISIBLE
     }
 
-    public override fun onResume() {
-        super.onResume()
-        nfcManager.onResume()
-    }
-
     public override fun onPause() {
-        nfcManager.onPause()
         purgeTask?.cancel(true)
         super.onPause()
     }
 
     public override fun onStop() {
-        // dismiss enable NFC dialog
-        nfcManager.onStop()
         purgeTask?.cancel(true)
         super.onStop()
     }
diff --git a/app/src/main/java/com/tangem/presentation/activity/SendTransactionActivity.kt b/app/src/main/java/com/tangem/presentation/activity/SendTransactionActivity.kt
index dc568af6ae..866da0588c 100644
--- a/app/src/main/java/com/tangem/presentation/activity/SendTransactionActivity.kt
+++ b/app/src/main/java/com/tangem/presentation/activity/SendTransactionActivity.kt
@@ -31,6 +31,7 @@ class SendTransactionActivity : AppCompatActivity(), NfcAdapter.ReaderCallback {
         setContentView(R.layout.activity_send_transaction)
 
         nfcManager = NfcManager(this, this)
+        lifecycle.addObserver(NfcLifecycleObserver(nfcManager))
 
         ctx = TangemContext.loadFromBundle(this, intent.extras)
         tx = intent.getByteArrayExtra(Constant.EXTRA_TX)
@@ -67,21 +68,6 @@ class SendTransactionActivity : AppCompatActivity(), NfcAdapter.ReaderCallback {
         return super.onKeyDown(keyCode, event)
     }
 
-    public override fun onResume() {
-        super.onResume()
-        nfcManager.onResume()
-    }
-
-    public override fun onPause() {
-        super.onPause()
-        nfcManager.onPause()
-    }
-
-    public override fun onStop() {
-        super.onStop()
-        nfcManager.onStop()
-    }
-
     override fun onTagDiscovered(tag: Tag) {
         try {
             nfcManager.ignoreTag(tag)
diff --git a/app/src/main/java/com/tangem/presentation/activity/SignTransactionActivity.kt b/app/src/main/java/com/tangem/presentation/activity/SignTransactionActivity.kt
index 2e20915f48..959c6e1f8c 100644
--- a/app/src/main/java/com/tangem/presentation/activity/SignTransactionActivity.kt
+++ b/app/src/main/java/com/tangem/presentation/activity/SignTransactionActivity.kt
@@ -10,7 +10,6 @@ import android.nfc.tech.IsoDep
 import android.os.Bundle
 import android.view.KeyEvent
 import android.view.View
-import android.widget.ProgressBar
 import android.widget.Toast
 import androidx.appcompat.app.AppCompatActivity
 import com.tangem.App
@@ -57,6 +56,7 @@ class SignTransactionActivity : AppCompatActivity(), NfcAdapter.ReaderCallback,
         setContentView(R.layout.activity_sign_transaction)
 
         nfcManager = NfcManager(this, this)
+        lifecycle.addObserver(NfcLifecycleObserver(nfcManager))
 
         ctx = TangemContext.loadFromBundle(this, intent.extras)
 
@@ -74,23 +74,13 @@ class SignTransactionActivity : AppCompatActivity(), NfcAdapter.ReaderCallback,
         progressBar.visibility = View.INVISIBLE
     }
 
-    public override fun onResume() {
-        super.onResume()
-        nfcManager.onResume()
-    }
-
     public override fun onPause() {
-        nfcManager.onPause()
-        if (signTransactionTask != null)
-            signTransactionTask!!.cancel(true)
+        signTransactionTask?.cancel(true)
         super.onPause()
     }
 
     public override fun onStop() {
-        // dismiss enable NFC dialog
-        nfcManager.onStop()
-        if (signTransactionTask != null)
-            signTransactionTask!!.cancel(true)
+        signTransactionTask?.cancel(true)
         super.onStop()
     }
 
diff --git a/app/src/main/java/com/tangem/presentation/fragment/LoadedWallet.kt b/app/src/main/java/com/tangem/presentation/fragment/LoadedWallet.kt
index 941929df51..fe2dd54a87 100644
--- a/app/src/main/java/com/tangem/presentation/fragment/LoadedWallet.kt
+++ b/app/src/main/java/com/tangem/presentation/fragment/LoadedWallet.kt
@@ -27,10 +27,7 @@ import com.tangem.domain.wallet.BalanceValidator
 import com.tangem.domain.wallet.CoinEngine
 import com.tangem.domain.wallet.CoinEngineFactory
 import com.tangem.domain.wallet.TangemContext
-import com.tangem.presentation.activity.LoadedWalletActivity
-import com.tangem.presentation.activity.PinRequestActivity
-import com.tangem.presentation.activity.PrepareCryptonitWithdrawalActivity
-import com.tangem.presentation.activity.PrepareKrakenWithdrawalActivity
+import com.tangem.presentation.activity.*
 import com.tangem.presentation.dialog.NoExtendedLengthSupportDialog
 import com.tangem.presentation.dialog.PINSwapWarningDialog
 import com.tangem.presentation.dialog.ShowQRCodeDialog
@@ -97,10 +94,11 @@ class LoadedWallet : androidx.fragment.app.Fragment(), NfcAdapter.ReaderCallback
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
-        nfcManager = NfcManager(activity, this)
-
         ctx = TangemContext.loadFromBundle(activity, activity?.intent?.extras)
 
+        nfcManager = NfcManager(activity, this)
+        lifecycle.addObserver(NfcLifecycleObserver(nfcManager))
+
         lastTag = activity?.intent?.getParcelableExtra(Constant.EXTRA_LAST_DISCOVERED_TAG)
     }
 
@@ -276,14 +274,8 @@ class LoadedWallet : androidx.fragment.app.Fragment(), NfcAdapter.ReaderCallback
         startVerify(lastTag)
     }
 
-    override fun onResume() {
-        super.onResume()
-        nfcManager.onResume()
-    }
-
     override fun onPause() {
         super.onPause()
-        nfcManager.onPause()
         if (timerHideErrorAndMessage != null) {
             timerHideErrorAndMessage!!.cancel()
             timerHideErrorAndMessage = null
@@ -296,11 +288,6 @@ class LoadedWallet : androidx.fragment.app.Fragment(), NfcAdapter.ReaderCallback
             EventBus.getDefault().register(this)
     }
 
-    override fun onStop() {
-        super.onStop()
-        nfcManager.onStop()
-    }
-
     override fun onDestroy() {
         EventBus.getDefault().unregister(this)
         super.onDestroy()
diff --git a/app/src/main/java/com/tangem/presentation/fragment/VerifyCard.kt b/app/src/main/java/com/tangem/presentation/fragment/VerifyCard.kt
index 35c5a8cf01..dc8403a612 100644
--- a/app/src/main/java/com/tangem/presentation/fragment/VerifyCard.kt
+++ b/app/src/main/java/com/tangem/presentation/fragment/VerifyCard.kt
@@ -50,8 +50,10 @@ class VerifyCard : androidx.fragment.app.Fragment(), NfcAdapter.ReaderCallback {
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
-        nfcManager = NfcManager(activity, this)
         ctx = TangemContext.loadFromBundle(activity, activity?.intent?.extras)
+
+        nfcManager = NfcManager(activity, this)
+        lifecycle.addObserver(NfcLifecycleObserver(nfcManager))
     }
 
     override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
@@ -60,7 +62,6 @@ class VerifyCard : androidx.fragment.app.Fragment(), NfcAdapter.ReaderCallback {
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
-
         updateViews()
 
         srlVerifyCard.setOnRefreshListener { srlVerifyCard.isRefreshing = false }
@@ -210,21 +211,6 @@ class VerifyCard : androidx.fragment.app.Fragment(), NfcAdapter.ReaderCallback {
         }
     }
 
-    override fun onResume() {
-        super.onResume()
-        nfcManager.onResume()
-    }
-
-    override fun onPause() {
-        super.onPause()
-        nfcManager.onPause()
-    }
-
-    override fun onStop() {
-        super.onStop()
-        nfcManager.onStop()
-    }
-
     override fun onTagDiscovered(tag: Tag?) {
         try {
             nfcManager.ignoreTag(tag)
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index c56cbf03da..d490e04416 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -2,6 +2,8 @@
 
     <string name="ok">OK</string>
     <string name="cancel">Cancel</string>
+    <string name="yes">Yes</string>
+    <string name="no">No</string>
     <string name="no_connection">No connection with blockchain nodes</string>
     <string name="contin">Continue</string>
     <string name="not_found">Not found</string>
@@ -247,6 +249,7 @@
     <string name="cryptonit_request_balance">Get balance</string>
     <string name="cryptonit_request_withdrawal">Withdrawal</string>
     <string name="withdrawal_fee">operation fee</string>
+    <string name="withdrawal_successful">Withdrawal successful!</string>
 
     <!-- PrepareKrakenWithdrawal -->
     <string name="kraken_payment">KRAKEN payment</string>
@@ -256,5 +259,7 @@
     <string name="kraken_not_enough_account_data">Please enter account data</string>
     <string name="kraken_request_balance">Get balance</string>
     <string name="kraken_request_withdrawal">Withdrawal</string>
+    <string name="operation_canceled">Operation canceled!</string>
+    <string name="please_confirm_withdraw">Please confirm withdraw</string>
 
 </resources>
\ No newline at end of file