From c362f08ec329fb69824d00f73ed4ffe3637b14d4 Mon Sep 17 00:00:00 2001
From: andrekir <andrekir@pm.me>
Date: Wed, 2 Feb 2022 23:28:23 -0300
Subject: [PATCH] disassociate old CompanionDeviceManager address

---
 .../mesh/service/RadioInterfaceService.kt       | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/app/src/main/java/com/geeksville/mesh/service/RadioInterfaceService.kt b/app/src/main/java/com/geeksville/mesh/service/RadioInterfaceService.kt
index 52f6b57cc..c5f1deabc 100644
--- a/app/src/main/java/com/geeksville/mesh/service/RadioInterfaceService.kt
+++ b/app/src/main/java/com/geeksville/mesh/service/RadioInterfaceService.kt
@@ -2,6 +2,7 @@ package com.geeksville.mesh.service
 
 import android.annotation.SuppressLint
 import android.app.Service
+import android.companion.CompanionDeviceManager
 import android.content.Context
 import android.content.Intent
 import android.content.SharedPreferences
@@ -285,6 +286,22 @@ class RadioInterfaceService : Service(), Logging {
 
             debug("Setting bonded device to ${address.anonymize}")
 
+            // We only keep an association to one device at a time... (move to BluetoothInterface?)
+            if (BluetoothInterface.hasCompanionDeviceApi(this)) {
+                if (address != null) {
+                    val deviceManager = getSystemService(CompanionDeviceManager::class.java)
+                    val c = address[0]
+                    val rest = address.substring(1)
+
+                    deviceManager.associations.forEach { old ->
+                        if (rest != old) {
+                            debug("Forgetting old BLE association ${old.anonymize}")
+                            deviceManager.disassociate(old)
+                        }
+                    }
+                }
+            }
+
             getPrefs(this).edit(commit = true) {
                 if (address == null)
                     this.remove(DEVADDR_KEY)