Pipe rssi to the view

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

@@ -83,7 +83,8 @@ data class NodeInfo(
     val num: Int, // This is immutable, and used as a key
     var user: MeshUser? = null,
     var position: Position? = null,
-    var snr: Float = 1000.0f
+    var snr: Float = Float.MAX_VALUE,
+    var rssi: Int = Int.MAX_VALUE
 ) : Parcelable {
 
     /// Return the last time we've seen this node in secs since 1970

app/src/main/java/com/geeksville/mesh/service/MeshService.kt

@@ -926,6 +926,7 @@ class MeshService : Service(), Logging {
                 // Update our last seen based on any valid timestamps.  If the device didn't provide a timestamp make one
                 updateNodeInfoTime(it, rxTime)
                 it.snr = packet.rxSnr
+                it.rssi = packet.rxRssi
             }
 
             handleReceivedData(packet)

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

@@ -21,6 +21,7 @@ import com.geeksville.mesh.databinding.NodelistFragmentBinding
 import com.geeksville.mesh.model.UIViewModel
 import com.geeksville.util.formatAgo
 import java.net.URLEncoder
+import kotlin.math.roundToInt
 
 
 class UsersFragment : ScreenFragment("Users"), Logging {
@@ -41,7 +42,7 @@ class UsersFragment : ScreenFragment("Users"), Logging {
         val batteryPctView = itemView.batteryPercentageView
         val lastTime = itemView.lastConnectionView
         val powerIcon = itemView.batteryIcon
-        val snrView = itemView.snrView
+        val signalView = itemView.signalView
     }
 
     private val nodesAdapter = object : RecyclerView.Adapter<ViewHolder>() {
@@ -143,10 +144,16 @@ class UsersFragment : ScreenFragment("Users"), Logging {
             holder.lastTime.text = formatAgo(n.lastSeen);
 
             if ((n.num == ourNodeInfo?.num) || (n.snr > 100f)) {
-                holder.snrView.visibility = View.INVISIBLE
+                holder.signalView.visibility = View.INVISIBLE
             } else {
-                holder.snrView.visibility = View.VISIBLE
-                holder.snrView.text = n.snr.toString()
+                val text = if (n.rssi < 0) {
+                    "rssi:${n.rssi}  snr:${n.snr.roundToInt()}"
+                } else {
+                    // Older devices do not send rssi. Remove this branch once upgraded past 1.2.1
+                    "snr:${n.snr.roundToInt()}"
+                }
+                holder.signalView.text = text
+                holder.signalView.visibility = View.VISIBLE
             }
         }
 

app/src/main/res/layout/adapter_node_layout.xml

@@ -60,7 +60,7 @@
                 android:layout_marginBottom="8dp"
                 android:text="@string/sample_coords"
                 android:textAppearance="@style/TextAppearance.AppCompat.Small"
-                app:layout_constraintBottom_toBottomOf="parent"
+
                 app:layout_constraintStart_toEndOf="@+id/distance_view"
                 app:layout_constraintTop_toBottomOf="@+id/imageView"
                 app:layout_constraintVertical_bias="0.0" />
@@ -85,16 +85,6 @@
                 app:layout_constraintEnd_toEndOf="parent"
                 app:layout_constraintTop_toTopOf="@+id/batteryIcon" />
 
-            <TextView
-                android:id="@+id/snrView"
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:layout_marginEnd="8dp"
-                android:layout_marginBottom="8dp"
-                android:text="-8.0"
-                app:layout_constraintBottom_toBottomOf="parent"
-                app:layout_constraintEnd_toStartOf="@id/lastCommIcon" />
-
             <ImageView
                 android:id="@+id/lastCommIcon"
                 android:layout_width="wrap_content"
@@ -102,7 +92,8 @@
                 android:layout_marginEnd="8dp"
                 android:layout_marginBottom="8dp"
                 android:visibility="visible"
-                app:layout_constraintBottom_toBottomOf="parent"
+                app:layout_constraintTop_toBottomOf="@id/batteryIcon"
+                app:layout_constraintBottom_toTopOf="@id/signalView"
                 app:layout_constraintEnd_toStartOf="@+id/lastConnectionView"
                 app:srcCompat="@drawable/ic_antenna_24" />
 
@@ -116,6 +107,17 @@
                 app:layout_constraintBottom_toBottomOf="@+id/lastCommIcon"
                 app:layout_constraintEnd_toEndOf="parent"
                 app:layout_constraintTop_toTopOf="@+id/lastCommIcon" />
+
+            <TextView
+                android:id="@+id/signalView"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginEnd="8dp"
+                android:text="rssi:-40 snr:-8"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintTop_toBottomOf="@id/lastConnectionView"
+                app:layout_constraintBottom_toBottomOf="parent" />
+
         </androidx.constraintlayout.widget.ConstraintLayout>
     </com.google.android.material.card.MaterialCardView>
 </LinearLayout>