a little less ugly

app/src/main/java/com/geeksville/mesh/MainActivity.kt

@@ -24,8 +24,10 @@ import com.geeksville.mesh.model.NodeDB
 import com.geeksville.mesh.model.TextMessage
 import com.geeksville.mesh.model.UIState
 import com.geeksville.mesh.service.*
+import com.geeksville.mesh.ui.AppStatus
 import com.geeksville.mesh.ui.MeshApp
 import com.geeksville.mesh.ui.ScanState
+import com.geeksville.mesh.ui.Screen
 import com.geeksville.util.exceptionReporter
 import com.google.android.gms.auth.api.signin.GoogleSignIn
 import com.google.android.gms.auth.api.signin.GoogleSignInAccount
@@ -401,6 +403,10 @@ class MainActivity : AppCompatActivity(), Logging,
         super.onStart()
 
         bindMeshService()
+
+        val bonded = RadioInterfaceService.getBondedDeviceAddress(this) != null
+        if (!bonded)
+            AppStatus.currentScreen = Screen.settings
     }
 
     override fun onCreateOptionsMenu(menu: Menu): Boolean {

app/src/main/java/com/geeksville/mesh/ui/Settings.kt

@@ -14,6 +14,7 @@ import androidx.ui.unit.dp
 import com.geeksville.android.Logging
 import com.geeksville.mesh.model.MessagesState
 import com.geeksville.mesh.model.UIState
+import com.geeksville.mesh.service.RadioInterfaceService
 
 
 object SettingsLog : Logging
@@ -48,6 +49,26 @@ fun SettingsContent() {
         }
 
         BTScanScreen()
+
+        val context = ambient(ContextAmbient)
+
+        val bonded = RadioInterfaceService.getBondedDeviceAddress(context) != null
+        if (!bonded) {
+
+            val typography = MaterialTheme.typography()
+            val context = ambient(ContextAmbient)
+
+            Text(
+                text =
+                """
+            You haven't yet paired a Meshtastic compatible radio with this phone.
+            
+            This application is an early alpha release, if you find problems please post on our website chat.
+            
+            For more information see our web page - www.meshtastic.org.
+        """.trimIndent(), style = typography.body2
+            )
+        }
     }
 }