firmware update button is kinda in

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

@@ -544,6 +544,8 @@ class MainActivity : AppCompatActivity(), Logging,
                 model.radioConfig.value =
                     MeshProtos.RadioConfig.parseFrom(service.radioConfig)
 
+                model.myNodeInfo.value = service.myNodeInfo
+
                 updateNodesFromDevice()
 
                 // we have a connection to our device now, do the channel change

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

@@ -15,6 +15,9 @@ data class MyNodeInfo(
     val couldUpdate: Boolean, // this application contains a software load we _could_ install if you want
     val shouldUpdate: Boolean // this device has old firmware
 ) : Parcelable {
+    /** A human readable description of the software/hardware version */
+    val firmwareString: String get() = "$model $region/$firmwareVersion"
+
     constructor(parcel: Parcel) : this(
         parcel.readInt(),
         parcel.readByte() != 0.toByte(),

app/src/main/java/com/geeksville/mesh/model/UIState.kt

@@ -12,6 +12,7 @@ import com.geeksville.android.BuildUtils.isEmulator
 import com.geeksville.android.Logging
 import com.geeksville.mesh.IMeshService
 import com.geeksville.mesh.MeshProtos
+import com.geeksville.mesh.MyNodeInfo
 import com.geeksville.mesh.service.MeshService
 
 /// Given a human name, strip out the first letter of the first three words and return that as the initials for
@@ -64,6 +65,9 @@ class UIViewModel(app: Application) : AndroidViewModel(app), Logging {
     val radioConfig = object : MutableLiveData<MeshProtos.RadioConfig?>(null) {
     }
 
+    /// hardware info about our local device
+    val myNodeInfo = object : MutableLiveData<MyNodeInfo>(null) {}
+
     override fun onCleared() {
         super.onCleared()
         debug("ViewModel cleared")

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

@@ -853,6 +853,7 @@ class MeshService : Service(), Logging {
         )
 
         handleMyInfo(myInfo)
+        myNodeInfo = newMyNodeInfo // Apply the changes from handleMyInfo right now
 
         radioConfig = MeshProtos.RadioConfig.parseFrom(connectedRadio.readRadioConfig())
 
@@ -1132,6 +1133,8 @@ class MeshService : Service(), Logging {
 
 
     private fun handleMyInfo(myInfo: MeshProtos.MyNodeInfo) {
+        setFirmwareUpdateFilename(myInfo)
+
         val mi = with(myInfo) {
             MyNodeInfo(
                 myNodeNum,
@@ -1139,8 +1142,8 @@ class MeshService : Service(), Logging {
                 region,
                 hwModel,
                 firmwareVersion,
-                false,
+                firmwareUpdateFilename != null,
-                false
+                SoftwareUpdateService.shouldUpdate(this@MeshService, firmwareVersion)
             )
         }
 
@@ -1284,27 +1287,27 @@ class MeshService : Service(), Logging {
 
     }
 
+    var firmwareUpdateFilename: String? = null
+
     /***
      * Return the filename we will install on the device
      */
-    val firmwareUpdateFilename: String?
+    fun setFirmwareUpdateFilename(info: MeshProtos.MyNodeInfo) {
-        get() =
+        firmwareUpdateFilename = try {
-            try {
+            if (info.region != null && info.firmwareVersion != null && info.hwModel != null)
-                myNodeInfo?.let {
-                    if (it.region != null && it.firmwareVersion != null && it.model != null)
                 SoftwareUpdateService.getUpdateFilename(
                     this,
-                            it.region,
+                    info.region,
-                            it.firmwareVersion,
+                    info.firmwareVersion,
-                            it.model
+                    info.hwModel
                 )
             else
                 null
-                }
         } catch (ex: Exception) {
             errormsg("Unable to update", ex)
             null
         }
+    }
 
     private fun doFirmwareUpdate() {
         // Run in the IO thread

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

@@ -311,11 +311,35 @@ class SettingsFragment : ScreenFragment("Settings"), Logging {
             usernameEditText.setText(name)
         })
 
-        // Only let user edit their name while connected to a radio
+        // Only let user edit their name or set software update while connected to a radio
         model.isConnected.observe(viewLifecycleOwner, Observer { connected ->
             usernameView.isEnabled = connected == MeshService.ConnectionState.CONNECTED
+
+            // If actively connected possibly let the user update firmware
+            val info = model.myNodeInfo.value
+            if (connected == MeshService.ConnectionState.CONNECTED && info != null && info.couldUpdate) {
+                updateFirmwareButton.visibility = View.VISIBLE
+            } else {
+                updateFirmwareButton.visibility = View.GONE
+            }
+
+            when (connected) {
+                MeshService.ConnectionState.CONNECTED -> {
+                    val fwStr = info?.firmwareString ?: ""
+                    scanStatusText.text = getString(R.string.connected_to).format(fwStr)
+                }
+                MeshService.ConnectionState.DISCONNECTED ->
+                    scanStatusText.text = getString(R.string.not_connected)
+                MeshService.ConnectionState.DEVICE_SLEEP ->
+                    scanStatusText.text = getString(R.string.connected_sleeping)
+            }
+
         })
 
+        updateFirmwareButton.setOnClickListener {
+            debug("User started firmware update")
+        }
+
         usernameEditText.on(EditorInfo.IME_ACTION_DONE) {
             debug("did IME action")
             val n = usernameEditText.text.toString().trim()

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

@@ -45,9 +45,9 @@
         android:layout_height="wrap_content"
         android:layout_marginStart="16dp"
         android:layout_marginTop="16dp"
-        android:layout_marginEnd="16dp"
+        android:layout_marginEnd="8dp"
         android:text="@string/looking_for_meshtastic_devices"
-        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintEnd_toStartOf="@+id/updateFirmwareButton"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toBottomOf="@+id/usernameView" />
 
@@ -117,5 +117,14 @@
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toBottomOf="@+id/scanStatusText" />
 
+    <Button
+        android:id="@+id/updateFirmwareButton"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginEnd="16dp"
+        android:text="@string/update_firmware"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toTopOf="@+id/scanStatusText" />
+
 
 </androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/values/strings.xml

@@ -54,4 +54,8 @@
     <string name="device_sleeping">Device sleeping</string>
     <string name="connected_count">Connected: %s of %s online</string>
     <string name="list_of_nodes">A list of nodes in the network</string>
+    <string name="update_firmware">Update Firmware</string>
+    <string name="connected_to">Connected to radio (%s)</string>
+    <string name="not_connected">Not connected, select radio below</string>
+    <string name="connected_sleeping">Connected to radio, but it is sleeping</string>
 </resources>