Updated on 2026-08-14

core/ui/src/main/java/com/tangem/core/ui/message/EventMessage.kt

@@ -19,6 +19,27 @@ import com.tangem.core.ui.message.SnackbarMessage.Duration
 @Immutable
 sealed interface EventMessage : UiMessage
 
+data class ToastMessage(
+    val message: TextReference,
+    val duration: Duration = ToastMessage.Duration.Short,
+) : EventMessage {
+    /**
+     * The duration of the snackbar.
+     * */
+    enum class Duration {
+
+        /**
+         * Shows the toast for a short period of time.
+         * */
+        Short,
+
+        /**
+         * Shows the toast for a long period of time.
+         * */
+        Long,
+    }
+}
+
 /**
  * Shows a snackbar.
  *

core/ui/src/main/java/com/tangem/core/ui/message/EventMessageEffect.kt

@@ -1,6 +1,7 @@
 package com.tangem.core.ui.message
 
 import android.content.Context
+import android.widget.Toast
 import androidx.compose.material3.SnackbarDuration
 import androidx.compose.material3.SnackbarHostState
 import androidx.compose.material3.SnackbarResult
@@ -24,6 +25,7 @@ fun EventMessageEffect(
     onShowSnackbar: suspend (SnackbarMessage, Context) -> Unit = { message, context ->
         showSnackbar(snackbarHostState, message, context)
     },
+    onShowToast: (ToastMessage, Context) -> Unit = { message, context -> showToast(message, context) },
 ) {
     val messageEvent by messageHandler.collectAsState()
     val context = LocalContext.current
@@ -46,6 +48,9 @@ fun EventMessageEffect(
             is BottomSheetMessageV2 -> {
                 bottomSheetMessageV2 = message
             }
+            is ToastMessage -> {
+                onShowToast(message, context)
+            }
         }
     }
 
@@ -162,4 +167,15 @@ private suspend fun showSnackbar(snackbarHostState: SnackbarHostState, message:
         SnackbarResult.Dismissed -> message.onDismissRequest()
         SnackbarResult.ActionPerformed -> message.action?.invoke()
     }
+}
+
+private fun showToast(message: ToastMessage, context: Context) {
+    Toast.makeText(
+        /* context = */ context,
+        /* text = */ message.message.resolveReference(context.resources),
+        /* duration = */ when (message.duration) {
+            ToastMessage.Duration.Short -> Toast.LENGTH_SHORT
+            ToastMessage.Duration.Long -> Toast.LENGTH_LONG
+        },
+    ).show()
 }

features/walletconnect/impl/src/main/kotlin/com/tangem/features/walletconnect/connections/model/WcPairModel.kt

@@ -9,6 +9,9 @@ import com.tangem.core.decompose.di.ModelScoped
 import com.tangem.core.decompose.model.Model
 import com.tangem.core.decompose.model.ParamsContainer
 import com.tangem.core.decompose.navigation.Router
+import com.tangem.core.decompose.ui.UiMessageSender
+import com.tangem.core.ui.extensions.stringReference
+import com.tangem.core.ui.message.ToastMessage
 import com.tangem.domain.models.network.Network
 import com.tangem.domain.walletconnect.model.WcPairRequest
 import com.tangem.domain.walletconnect.model.WcSessionApprove
@@ -42,6 +45,7 @@ internal interface WcPairComponentCallback :
 @ModelScoped
 internal class WcPairModel @Inject constructor(
     private val router: Router,
+    private val messageSender: UiMessageSender,
     override val dispatchers: CoroutineDispatcherProvider,
     wcPairUseCaseFactory: WcPairUseCase.Factory,
     getWalletsUseCase: GetWalletsUseCase,
@@ -87,6 +91,10 @@ internal class WcPairModel @Inject constructor(
                         router.pop()
                     }
                     is WcPairState.Error -> {
+                        appInfoUiState.transformerUpdate(
+                            WcConnectButtonProgressTransformer(showProgress = false),
+                        )
+                        messageSender.send(ToastMessage(message = stringReference(pairState.error.message)))
                         Timber.e(pairState.error)
                     }
                     is WcPairState.Loading -> appInfoUiState.update { createLoadingState() }