clean up and reformat

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

@@ -36,7 +36,6 @@ import androidx.core.content.ContextCompat
 import androidx.fragment.app.Fragment
 import androidx.fragment.app.FragmentManager
 import androidx.fragment.app.FragmentTransaction
-import androidx.lifecycle.Observer
 import androidx.viewpager2.adapter.FragmentStateAdapter
 import com.geeksville.android.BindFailedException
 import com.geeksville.android.GeeksvilleApplication
@@ -66,7 +65,6 @@ import com.vorlonsoft.android.rate.AppRate
 import com.vorlonsoft.android.rate.StoreType
 import kotlinx.coroutines.*
 import java.io.FileOutputStream
-import java.lang.Runnable
 import java.nio.charset.Charset
 import java.text.DateFormat
 import java.util.*
@@ -194,7 +192,7 @@ class MainActivity : AppCompatActivity(), Logging,
         }
     }
 
-    private val btStateReceiver = BluetoothStateReceiver { _ ->
+    private val btStateReceiver = BluetoothStateReceiver {
         updateBluetoothEnabled()
     }
 
@@ -532,9 +530,9 @@ class MainActivity : AppCompatActivity(), Logging,
             tab.icon = ContextCompat.getDrawable(this, tabInfos[position].icon)
         }.attach()
 
-        model.isConnected.observe(this, Observer { connected ->
+        model.isConnected.observe(this) { connected ->
             updateConnectionStatusImage(connected)
-        })
+        }
 
         // Handle any intent
         handleIntent(intent)
@@ -927,10 +925,10 @@ class MainActivity : AppCompatActivity(), Logging,
     private var connectionJob: Job? = null
 
     private val mesh = object :
-        ServiceClient<com.geeksville.mesh.IMeshService>({
-            com.geeksville.mesh.IMeshService.Stub.asInterface(it)
+        ServiceClient<IMeshService>({
+            IMeshService.Stub.asInterface(it)
         }) {
-        override fun onConnected(service: com.geeksville.mesh.IMeshService) {
+        override fun onConnected(service: IMeshService) {
 
             /*
                 Note: we must call this callback in a coroutine.  Because apparently there is only a single activity looper thread.  and if that onConnected override
@@ -1147,12 +1145,7 @@ class MainActivity : AppCompatActivity(), Logging,
                     val str = "Ping " + DateFormat.getTimeInstance(DateFormat.MEDIUM)
                         .format(Date(System.currentTimeMillis()))
                     model.messagesState.sendMessage(str)
-                    handler.postDelayed(
-                        Runnable {
-                            postPing()
-                        },
-                        30000
-                    )
+                    handler.postDelayed({ postPing() }, 30000)
                 }
                 item.isChecked = !item.isChecked // toggle ping test
                 if (item.isChecked)

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

@@ -1,5 +1,6 @@
 package com.geeksville.mesh.service
 
+import android.annotation.SuppressLint
 import android.bluetooth.BluetoothAdapter
 import android.bluetooth.BluetoothGattCharacteristic
 import android.bluetooth.BluetoothGattService
@@ -92,13 +93,13 @@ class BluetoothInterface(val service: RadioInterfaceService, val address: String
         }
 
         /// this service UUID is publically visible for scanning
-        val BTM_SERVICE_UUID = UUID.fromString("6ba1b218-15a8-461f-9fa8-5dcae273eafd")
+        val BTM_SERVICE_UUID: UUID = UUID.fromString("6ba1b218-15a8-461f-9fa8-5dcae273eafd")
 
-        val BTM_FROMRADIO_CHARACTER =
+        val BTM_FROMRADIO_CHARACTER: UUID =
             UUID.fromString("8ba2bcc2-ee02-4a55-a531-c525c5e454d5")
-        val BTM_TORADIO_CHARACTER =
+        val BTM_TORADIO_CHARACTER: UUID =
             UUID.fromString("f75c76d2-129e-4dad-a1dd-7866124401e7")
-        val BTM_FROMNUM_CHARACTER =
+        val BTM_FROMNUM_CHARACTER: UUID =
             UUID.fromString("ed9da18c-a800-4f66-a670-aa7547e34453")
 
         /// Get our bluetooth adapter (should always succeed except on emulator
@@ -109,6 +110,7 @@ class BluetoothInterface(val service: RadioInterfaceService, val address: String
         }
 
         /** Return true if this address is still acceptable. For BLE that means, still bonded */
+        @SuppressLint("NewApi", "MissingPermission")
         override fun addressValid(context: Context, rest: String): Boolean {
             val allPaired = if (hasCompanionDeviceApi(context)) {
                 val deviceManager = context.getSystemService(CompanionDeviceManager::class.java)
@@ -196,7 +198,7 @@ class BluetoothInterface(val service: RadioInterfaceService, val address: String
             ?: throw RadioNotConnectedException("No GATT")
 
     /// Our service - note - it is possible to get back a null response for getService if the device services haven't yet been found
-    val bservice
+    private val bservice
         get(): BluetoothGattService = device.getService(BTM_SERVICE_UUID)
             ?: throw RadioNotConnectedException("BLE service not found")
 
@@ -268,7 +270,7 @@ class BluetoothInterface(val service: RadioInterfaceService, val address: String
     /**
      * We had some problem, schedule a reconnection attempt (if one isn't already queued)
      */
-    fun scheduleReconnect(reason: String) {
+    private fun scheduleReconnect(reason: String) {
         if (reconnectJob == null) {
             warn("Scheduling reconnect because $reason")
             reconnectJob = service.serviceScope.handledLaunch { retryDueToException() }

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

@@ -619,44 +619,44 @@ class SettingsFragment : ScreenFragment("Settings"), Logging {
         regionAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item)
         spinner.adapter = regionAdapter
 
-        model.bluetoothEnabled.observe(viewLifecycleOwner, {
+        model.bluetoothEnabled.observe(viewLifecycleOwner) {
             if (it) binding.changeRadioButton.show()
             else binding.changeRadioButton.hide()
-        })
+        }
 
-        model.ownerName.observe(viewLifecycleOwner, { name ->
+        model.ownerName.observe(viewLifecycleOwner) { name ->
             binding.usernameEditText.setText(name)
-        })
+        }
 
         // Only let user edit their name or set software update while connected to a radio
-        model.isConnected.observe(viewLifecycleOwner, {
+        model.isConnected.observe(viewLifecycleOwner) {
             updateNodeInfo()
             updateDevicesButtons(scanModel.devices.value)
-        })
+        }
 
-        model.radioConfig.observe(viewLifecycleOwner, {
+        model.radioConfig.observe(viewLifecycleOwner) {
             binding.provideLocationCheckbox.isEnabled =
                 isGooglePlayAvailable(requireContext()) && model.locationShare ?: true
             if (model.locationShare == false) {
                 model.provideLocation.value = false
                 binding.provideLocationCheckbox.isChecked = false
             }
-        })
+        }
 
         // Also watch myNodeInfo because it might change later
-        model.myNodeInfo.observe(viewLifecycleOwner, {
+        model.myNodeInfo.observe(viewLifecycleOwner) {
             updateNodeInfo()
-        })
+        }
 
-        scanModel.errorText.observe(viewLifecycleOwner, { errMsg ->
+        scanModel.errorText.observe(viewLifecycleOwner) { errMsg ->
             if (errMsg != null) {
                 binding.scanStatusText.text = errMsg
             }
-        })
+        }
 
-        scanModel.devices.observe(viewLifecycleOwner, { devices ->
+        scanModel.devices.observe(viewLifecycleOwner) { devices ->
             updateDevicesButtons(devices)
-        })
+        }
 
         binding.updateFirmwareButton.setOnClickListener {
             doFirmwareUpdate()
@@ -961,7 +961,11 @@ class SettingsFragment : ScreenFragment("Settings"), Logging {
         if (!hasUSB) {
             // Warn user if BLE is disabled
             if (scanModel.bluetoothAdapter?.isEnabled != true) {
-                Snackbar.make(binding.changeRadioButton, R.string.error_bluetooth, Snackbar.LENGTH_INDEFINITE)
+                Snackbar.make(
+                    binding.changeRadioButton,
+                    R.string.error_bluetooth,
+                    Snackbar.LENGTH_INDEFINITE
+                )
                     .setAction(R.string.okay) {
                         // dismiss
                     }