[+] Ability to close a ble

app/src/main/java/org/hydev/wearsync/ActivityScan.kt

@@ -86,6 +86,7 @@ class ActivityScan : AppCompatActivity() {
     {
         view.snack("✅ Connected.")
         prefs.chosenDevice = address
+        ble.close()
         finish()
     }
 }

app/src/main/java/org/hydev/wearsync/bles/BluetoothHandler.kt

@@ -78,6 +78,11 @@ internal class BluetoothHandler private constructor(context: Context) {
         }
     }
 
+    fun close() {
+        central.close()
+        instance = null
+    }
+
     companion object {
         val decoders = listOf(BatteryDecoder(), BloodPressureDecoder(), GlucoseDecoder(), HeartRateDecoder(),
             PLXSpotDecoder(), PLXContinuousDecoder(), TemperatureDecoder(), WeightDecoder())