#Region Service Attributes
#StartAtBoot: False
#ExcludeFromLibrary: True
#End Region
Sub Process_Globals
Public manager As BleManager2
Public currentStateText As String = "UNKNOWN"
Public currentState As Int
Public connected As Boolean = False
Public ConnectedName As String
Private ConnectedServices As List
Public rp As RuntimePermissions
Private ManagerJO As JavaObject
Private Adapter As JavaObject
Private Scanner As JavaObject
Private ScanCallback As JavaObject
End Sub
Sub Service_Create
manager.Initialize("manager")
ManagerJO = manager
Adapter = ManagerJO.GetField("blueAdapter")
Scanner = Adapter.RunMethod("getBluetoothLeScanner", Null)
ScanCallback.InitializeNewInstance(Application.PackageName & ".starter$MyScanCallback", Null)
End Sub
Sub Service_Start (StartingIntent As Intent)
End Sub
Public Sub ReadData
For Each s As String In ConnectedServices
manager.ReadData(s)
Next
End Sub
Public Sub Disconnect
manager.Disconnect
Manager_Disconnected
End Sub
Sub Manager_StateChanged (State As Int)
Select State
Case manager.STATE_POWERED_OFF
currentStateText = "POWERED OFF"
Case manager.STATE_POWERED_ON
currentStateText = "POWERED ON"
Case manager.STATE_UNSUPPORTED
currentStateText = "UNSUPPORTED"
End Select
currentState = State
CallSub(Main, "StateChanged")
End Sub
Sub Manager_DeviceFound (Name As String, Id As String, AdvertisingData As Map, RSSI As Double)
Log("Found: " & Name & ", " & Id & ", RSSI = " & RSSI & ", " & AdvertisingData)
ConnectedName = Name
StopScanWithLeScanner
manager.Connect2(Id, False) 'disabling auto connect can make the connection quicker
End Sub
Public Sub StartScan
If manager.State <> manager.STATE_POWERED_ON Then
Log("Not powered on.")
Else If rp.Check(rp.PERMISSION_ACCESS_COARSE_LOCATION) = False Then
Log("No location permission.")
Else
ScanWithLeScanner
End If
End Sub
Private Sub Scan_Result (Result As Object)
Log("Scan_Result")
Dim ScanResult As JavaObject = Result
Dim device As JavaObject = ScanResult.RunMethod("getDevice", Null)
Dim address As String = device.RunMethod("getAddress", Null)
ManagerJO.GetFieldJO("devices").RunMethod("put", Array(address, device))
Dim name As String
Dim o As Object = device.RunMethod("getName", Null)
If o = Null Then name = "" Else name = o
Dim ScanRecord As JavaObject = ScanResult.RunMethod("getScanRecord", Null)
Log(ScanRecord) 'you can extend the code to access the data.
'https://developer.android.com/reference/android/bluetooth/le/ScanRecord
Dim rssi As Double = ScanResult.RunMethod("getRssi", Null)
Manager_DeviceFound(name, address, CreateMap(), rssi)
End Sub
Private Sub ScanWithLeScanner
Dim ScanSettingsStatic As JavaObject
ScanSettingsStatic.InitializeStatic("android.bluetooth.le.ScanSettings")
Dim ScanSettingsBuilder As JavaObject
ScanSettingsBuilder.InitializeNewInstance("android.bluetooth.le.ScanSettings.Builder", Null)
'https://developer.android.com/reference/android/bluetooth/le/ScanSettings.Builder
ScanSettingsBuilder.RunMethod("setScanMode", Array(ScanSettingsStatic.GetField("SCAN_MODE_LOW_LATENCY")))
Scanner.RunMethod("startScan", Array(Null, ScanSettingsBuilder.RunMethod("build", Null), ScanCallback))
End Sub
Private Sub StopScanWithLeScanner
Scanner.RunMethod("stopScan", Array(ScanCallback))
End Sub
Sub Manager_DataAvailable (ServiceId As String, Characteristics As Map)
CallSub3(Main, "DataAvailable", ServiceId, Characteristics)
End Sub
Sub Manager_Disconnected
Log("Disconnected")
connected = False
CallSub(Main, "StateChanged")
End Sub
Sub Manager_Connected (services As List)
Log("Connected")
connected = True
ConnectedServices = services
CallSub(Main, "StateChanged")
End Sub
'Return true to allow the OS default exceptions handler to handle the uncaught exception.
Sub Application_Error (Error As Exception, StackTrace As String) As Boolean
Return True
End Sub
Sub Service_Destroy
End Sub
#if Java
import android.bluetooth.le.*;
public static class MyScanCallback extends ScanCallback {
public void onScanResult(int callbackType, ScanResult result) {
processBA.raiseEvent(this, "scan_result", result);
}
/**
* Callback when scan could not be started.
*
* @param errorCode Error code (one of SCAN_FAILED_*) for scan failure.
*/
public void onScanFailed(int errorCode) {
BA.Log("Error: " + errorCode);
}
}
#End If