Updated on 2026-08-14

app/src/main/java/com/tangem/tap/MainActivity.kt

@@ -2,10 +2,13 @@ package com.tangem.tap
 
 import android.Manifest
 import android.annotation.SuppressLint
+import android.app.PendingIntent
 import android.content.Intent
+import android.content.IntentFilter
 import android.content.pm.ActivityInfo
 import android.content.pm.PackageManager
 import android.content.res.Configuration
+import android.nfc.NfcAdapter
 import android.os.Build
 import android.os.Bundle
 import android.view.View
@@ -290,12 +293,31 @@ class MainActivity : AppCompatActivity(), SnackbarHandler, ActivityResultCallbac
 
     override fun onResume() {
         super.onResume()
+        val nfcAdapter = NfcAdapter.getDefaultAdapter(this)
+        val pendingIntent = PendingIntent.getActivity(
+            this,
+            0,
+            Intent(this, javaClass).addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP),
+            PendingIntent.FLAG_ONE_SHOT or PendingIntent.FLAG_IMMUTABLE,
+        )
+        val intentFilters = arrayOf(
+            IntentFilter(NfcAdapter.ACTION_NDEF_DISCOVERED),
+            IntentFilter(NfcAdapter.ACTION_TAG_DISCOVERED),
+            IntentFilter(NfcAdapter.ACTION_TECH_DISCOVERED),
+        )
+        nfcAdapter.enableForegroundDispatch(this, pendingIntent, intentFilters, null)
         // TODO: RESEARCH! NotificationsHandler is created in onResume and destroyed in onStop
         notificationsHandler = NotificationsHandler(binding.fragmentContainer)
 
         navigateToInitialScreenIfNeeded(intent)
     }
 
+    override fun onPause() {
+        super.onPause()
+        val nfcAdapter = NfcAdapter.getDefaultAdapter(this)
+        nfcAdapter.disableForegroundDispatch(this)
+    }
+
     override fun onStop() {
         notificationsHandler = null
         dialogManager.onStop()
@@ -348,7 +370,7 @@ class MainActivity : AppCompatActivity(), SnackbarHandler, ActivityResultCallbac
         cardSdkLifecycleObserver.onCreate(context = this)
 
         lifecycleScope.launch {
-            intentProcessor.handleIntent(intent)
+            intentProcessor.handleIntent(intent, true)
         }
 
         if (intent != null) {
@@ -456,7 +478,7 @@ class MainActivity : AppCompatActivity(), SnackbarHandler, ActivityResultCallbac
         } else {
             store.dispatch(NavigationAction.NavigateTo(AppScreen.Home))
             lifecycleScope.launch {
-                intentProcessor.handleIntent(intentWhichStartedActivity)
+                intentProcessor.handleIntent(intentWhichStartedActivity, false)
             }
         }
 

app/src/main/java/com/tangem/tap/features/intentHandler/IntentHandler.kt

@@ -7,5 +7,5 @@ import android.content.Intent
  */
 interface IntentHandler {
 
-    fun handleIntent(intent: Intent?): Boolean
+    fun handleIntent(intent: Intent?, isFromForeground: Boolean): Boolean
 }

app/src/main/java/com/tangem/tap/features/intentHandler/IntentProcessor.kt

@@ -19,9 +19,9 @@ class IntentProcessor {
         intentHandlers.clear()
     }
 
-    fun handleIntent(intent: Intent?) {
+    fun handleIntent(intent: Intent?, isFromForeground: Boolean) {
         intentHandlers.forEach {
-            it.handleIntent(intent)
+            it.handleIntent(intent, isFromForeground)
         }
     }
 }

app/src/main/java/com/tangem/tap/features/intentHandler/handlers/BackgroundScanIntentHandler.kt

@@ -25,7 +25,8 @@ class BackgroundScanIntentHandler(
         NfcAdapter.ACTION_TAG_DISCOVERED,
     )
 
-    override fun handleIntent(intent: Intent?): Boolean {
+    override fun handleIntent(intent: Intent?, isFromForeground: Boolean): Boolean {
+        if (isFromForeground) return true
         if (intent == null || intent.action !in nfcActions) return false
 
         val tag: Tag? = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {

app/src/main/java/com/tangem/tap/features/intentHandler/handlers/WalletConnectLinkIntentHandler.kt

@@ -14,7 +14,7 @@ import java.net.URLDecoder
  */
 class WalletConnectLinkIntentHandler : IntentHandler {
 
-    override fun handleIntent(intent: Intent?): Boolean {
+    override fun handleIntent(intent: Intent?, isFromForeground: Boolean): Boolean {
         val intentData = intent?.data ?: return false
         val scheme = intent.scheme ?: return false
 

app/src/main/java/com/tangem/tap/features/welcome/redux/WelcomeMiddleware.kt

@@ -70,7 +70,7 @@ internal class WelcomeMiddleware {
             scope = scope,
             hasSavedUserWalletsProvider = { true },
         )
-        val isBackgroundScanHandled = handler.handleIntent(initialIntent)
+        val isBackgroundScanHandled = handler.handleIntent(initialIntent, isFromForeground = false)
         val hasUncompletedBackup = backupService.hasIncompletedBackup
 
         if (!isBackgroundScanHandled && !hasUncompletedBackup) {
@@ -103,7 +103,7 @@ internal class WelcomeMiddleware {
                 store.onUserWalletSelected(userWallet = selectedUserWallet)
 
                 afterUnlockIntent?.let {
-                    WalletConnectLinkIntentHandler().handleIntent(it)
+                    WalletConnectLinkIntentHandler().handleIntent(it, false)
                 }
             }
     }
@@ -135,7 +135,7 @@ internal class WelcomeMiddleware {
                     store.onUserWalletSelected(userWallet = userWallet)
 
                     afterScanIntent?.let {
-                        WalletConnectLinkIntentHandler().handleIntent(it)
+                        WalletConnectLinkIntentHandler().handleIntent(it, false)
                     }
                 }
         }