diff --git a/app/src/main/java/com/geeksville/mesh/MainActivity.kt b/app/src/main/java/com/geeksville/mesh/MainActivity.kt
index 888c35074..812c6e001 100644
--- a/app/src/main/java/com/geeksville/mesh/MainActivity.kt
+++ b/app/src/main/java/com/geeksville/mesh/MainActivity.kt
@@ -25,6 +25,7 @@ import android.hardware.usb.UsbManager
 import android.net.Uri
 import android.os.Build
 import android.os.Bundle
+import android.widget.Toast
 import androidx.activity.SystemBarStyle
 import androidx.activity.compose.setContent
 import androidx.activity.enableEdgeToEdge
@@ -44,6 +45,7 @@ import com.geeksville.mesh.ui.MainScreen
 import dagger.hilt.android.AndroidEntryPoint
 import org.meshtastic.core.datastore.UiPreferencesDataSource
 import org.meshtastic.core.navigation.DEEP_LINK_BASE_URI
+import org.meshtastic.core.strings.R
 import org.meshtastic.core.ui.theme.AppTheme
 import org.meshtastic.core.ui.theme.MODE_DYNAMIC
 import org.meshtastic.feature.intro.AppIntroductionScreen
@@ -115,10 +117,16 @@ class MainActivity : AppCompatActivity() {
                     Timber.d("App link data: $it")
                     if (it.path?.startsWith("/e/") == true || it.path?.startsWith("/E/") == true) {
                         Timber.d("App link data is a channel set")
-                        model.requestChannelUrl(it)
+                        model.requestChannelUrl(
+                            url = it,
+                            onFailure = { Toast.makeText(this, R.string.channel_invalid, Toast.LENGTH_SHORT).show() },
+                        )
                     } else if (it.path?.startsWith("/v/") == true || it.path?.startsWith("/V/") == true) {
                         Timber.d("App link data is a shared contact")
-                        model.setSharedContactRequested(it)
+                        model.setSharedContactRequested(
+                            url = it,
+                            onFailure = { Toast.makeText(this, R.string.contact_invalid, Toast.LENGTH_SHORT).show() },
+                        )
                     } else {
                         Timber.d("App link data is not a channel set")
                     }
diff --git a/app/src/main/java/com/geeksville/mesh/model/UIState.kt b/app/src/main/java/com/geeksville/mesh/model/UIState.kt
index 4a0ae5954..5d3e56939 100644
--- a/app/src/main/java/com/geeksville/mesh/model/UIState.kt
+++ b/app/src/main/java/com/geeksville/mesh/model/UIState.kt
@@ -19,9 +19,6 @@ package com.geeksville.mesh.model
 
 import android.app.Application
 import android.net.Uri
-import androidx.compose.material3.SnackbarDuration
-import androidx.compose.material3.SnackbarHostState
-import androidx.compose.material3.SnackbarResult
 import androidx.compose.runtime.Composable
 import androidx.lifecycle.LiveData
 import androidx.lifecycle.ViewModel
@@ -42,7 +39,6 @@ import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.flow.mapNotNull
 import kotlinx.coroutines.flow.onEach
 import kotlinx.coroutines.flow.shareIn
-import kotlinx.coroutines.launch
 import org.meshtastic.core.analytics.platform.PlatformAnalytics
 import org.meshtastic.core.data.repository.FirmwareReleaseRepository
 import org.meshtastic.core.data.repository.MeshLogRepository
@@ -177,26 +173,6 @@ constructor(
     val myNodeInfo: StateFlow<MyNodeEntity?>
         get() = nodeDB.myNodeInfo
 
-    val snackBarHostState = SnackbarHostState()
-
-    fun showSnackBar(text: Int) = showSnackBar(app.getString(text))
-
-    fun showSnackBar(
-        text: String,
-        actionLabel: String? = null,
-        withDismissAction: Boolean = false,
-        duration: SnackbarDuration = if (actionLabel == null) SnackbarDuration.Short else SnackbarDuration.Indefinite,
-        onActionPerformed: (() -> Unit) = {},
-        onDismissed: (() -> Unit) = {},
-    ) = viewModelScope.launch {
-        snackBarHostState.showSnackbar(text, actionLabel, withDismissAction, duration).run {
-            when (this) {
-                SnackbarResult.ActionPerformed -> onActionPerformed()
-                SnackbarResult.Dismissed -> onDismissed()
-            }
-        }
-    }
-
     init {
         serviceRepository.errorMessage
             .filterNotNull()
@@ -217,11 +193,11 @@ constructor(
     val sharedContactRequested: StateFlow<AdminProtos.SharedContact?>
         get() = _sharedContactRequested.asStateFlow()
 
-    fun setSharedContactRequested(url: Uri) {
+    fun setSharedContactRequested(url: Uri, onFailure: () -> Unit) {
         runCatching { _sharedContactRequested.value = url.toSharedContact() }
             .onFailure { ex ->
                 Timber.e(ex, "Shared contact error")
-                showSnackBar(R.string.contact_invalid)
+                onFailure()
             }
     }
 
@@ -238,11 +214,12 @@ constructor(
     val requestChannelSet: StateFlow<AppOnlyProtos.ChannelSet?>
         get() = _requestChannelSet
 
-    fun requestChannelUrl(url: Uri) = runCatching { _requestChannelSet.value = url.toChannelSet() }
-        .onFailure { ex ->
-            Timber.e(ex, "Channel url error")
-            showSnackBar(R.string.channel_invalid)
-        }
+    fun requestChannelUrl(url: Uri, onFailure: () -> Unit) =
+        runCatching { _requestChannelSet.value = url.toChannelSet() }
+            .onFailure { ex ->
+                Timber.e(ex, "Channel url error")
+                onFailure()
+            }
 
     val latestStableFirmwareRelease = firmwareReleaseRepository.stableRelease.mapNotNull { it?.asDeviceVersion() }
 
diff --git a/app/src/main/java/com/geeksville/mesh/ui/Main.kt b/app/src/main/java/com/geeksville/mesh/ui/Main.kt
index 49c5c733f..7f1a6cacd 100644
--- a/app/src/main/java/com/geeksville/mesh/ui/Main.kt
+++ b/app/src/main/java/com/geeksville/mesh/ui/Main.kt
@@ -34,7 +34,6 @@ import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.imePadding
-import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.recalculateWindowInsets
 import androidx.compose.foundation.layout.safeDrawingPadding
 import androidx.compose.foundation.rememberScrollState
@@ -48,8 +47,6 @@ import androidx.compose.material3.Icon
 import androidx.compose.material3.LocalContentColor
 import androidx.compose.material3.MaterialTheme.colorScheme
 import androidx.compose.material3.PlainTooltip
-import androidx.compose.material3.Scaffold
-import androidx.compose.material3.SnackbarHost
 import androidx.compose.material3.Text
 import androidx.compose.material3.TooltipBox
 import androidx.compose.material3.TooltipDefaults
@@ -373,21 +370,17 @@ fun MainScreen(uIViewModel: UIViewModel = hiltViewModel(), scanModel: BTScanMode
             }
         },
     ) {
-        Scaffold(snackbarHost = { SnackbarHost(uIViewModel.snackBarHostState) }) { paddingValues ->
-            Column(modifier = Modifier.fillMaxSize().padding(paddingValues)) {
-                NavHost(
-                    navController = navController,
-                    startDestination = NodesRoutes.NodesGraph,
-                    modifier = Modifier.fillMaxSize().recalculateWindowInsets().safeDrawingPadding().imePadding(),
-                ) {
-                    contactsGraph(navController)
-                    nodesGraph(navController)
-                    mapGraph(navController)
-                    channelsGraph(navController)
-                    connectionsGraph(navController)
-                    settingsGraph(navController)
-                }
-            }
+        NavHost(
+            navController = navController,
+            startDestination = NodesRoutes.NodesGraph,
+            modifier = Modifier.fillMaxSize().recalculateWindowInsets().safeDrawingPadding().imePadding(),
+        ) {
+            contactsGraph(navController)
+            nodesGraph(navController)
+            mapGraph(navController)
+            channelsGraph(navController)
+            connectionsGraph(navController)
+            settingsGraph(navController)
         }
     }
 }