Use scanAfterDelay for connect/disconnect issue

Author: motinis

G7SensorKit/G7CGMManager/G7BluetoothManager.swift

@@ -259,7 +259,7 @@ class G7BluetoothManager: NSObject {
      The sleep gives the transmitter time to shut down, but keeps the app running.
 
      */
-    fileprivate func scanAfterDelay() {
+    func scanAfterDelay() {
         DispatchQueue.global(qos: .utility).async {
             Thread.sleep(forTimeInterval: 5)
 

G7SensorKit/G7CGMManager/G7CGMManager.swift

@@ -237,14 +237,14 @@ public class G7CGMManager: CGMManager {
         return nil
     }
 
-    public func scanForNewSensor() {
+    public func scanForNewSensor(scanAfterDelay: Bool = false) {
         logDeviceCommunication("Forgetting existing sensor and starting scan for new sensor.", type: .connection)
 
         mutateState { state in
             state.sensorID = nil
             state.activatedAt = nil
         }
-        sensor.scanForNewSensor()
+        sensor.scanForNewSensor(scanAfterDelay: scanAfterDelay)
     }
 
     private var device: HKDevice? {
@@ -319,7 +319,7 @@ extension G7CGMManager: G7SensorDelegate {
     public func sensorDisconnected(_ sensor: G7Sensor, suspectedEndOfSession: Bool) {
         logDeviceCommunication("Sensor disconnected: suspectedEndOfSession=\(suspectedEndOfSession)", type: .connection)
         if suspectedEndOfSession {
-            scanForNewSensor()
+            scanForNewSensor(scanAfterDelay: true)
         }
     }
 

G7SensorKit/G7CGMManager/G7Sensor.swift

@@ -99,11 +99,15 @@ public final class G7Sensor: G7BluetoothManagerDelegate {
         bluetoothManager.delegate = self
     }
 
-    public func scanForNewSensor() {
+    public func scanForNewSensor(scanAfterDelay: Bool = false) {
         self.sensorID = nil
         bluetoothManager.disconnect()
         bluetoothManager.forgetPeripheral()
-        bluetoothManager.scanForPeripheral()
+        if scanAfterDelay {
+            bluetoothManager.scanAfterDelay()
+        } else {
+            bluetoothManager.scanForPeripheral()
+        }
     }
 
     public func resumeScanning() {