mirror of
https://github.com/meshtastic/Meshtastic-Android.git
synced 2026-04-20 22:23:37 +00:00
89 lines
3 KiB
Kotlin
89 lines
3 KiB
Kotlin
|
package com.geeksville.mesh.ui
|
||
|
|
|
||
|
|
import android.bluetooth.BluetoothManager
|
||
|
|
import android.bluetooth.le.ScanCallback
|
||
|
|
import android.bluetooth.le.ScanFilter
|
||
|
|
import android.bluetooth.le.ScanResult
|
||
|
|
import android.bluetooth.le.ScanSettings
|
||
|
|
import android.os.ParcelUuid
|
||
|
|
import androidx.compose.Composable
|
||
|
|
import androidx.compose.Context
|
||
|
|
import androidx.compose.ambient
|
||
|
|
import androidx.compose.onActive
|
||
|
|
import androidx.ui.core.ContextAmbient
|
||
|
|
import androidx.ui.core.Text
|
||
|
|
import androidx.ui.layout.Column
|
||
|
|
import androidx.ui.tooling.preview.Preview
|
||
|
|
import com.geeksville.android.Logging
|
||
|
|
import com.geeksville.mesh.service.RadioInterfaceService
|
||
|
|
|
||
|
|
object BTLog : Logging
|
||
|
|
|
||
|
|
@Composable
|
||
|
|
fun BTScanScreen() {
|
||
|
|
val context = ambient(ContextAmbient)
|
||
|
|
|
||
|
|
/// Note: may be null on platforms without a bluetooth driver (ie. the emulator)
|
||
|
|
val bluetoothAdapter =
|
||
|
|
(context.getSystemService(Context.BLUETOOTH_SERVICE) as BluetoothManager?)?.adapter
|
||
|
|
|
||
|
|
onActive {
|
||
|
|
|
||
|
|
if (bluetoothAdapter == null)
|
||
|
|
BTLog.warn("No bluetooth adapter. Running under emulation?")
|
||
|
|
else {
|
||
|
|
val scanner = bluetoothAdapter.bluetoothLeScanner
|
||
|
|
|
||
|
|
val scanCallback = object : ScanCallback() {
|
||
|
|
override fun onScanFailed(errorCode: Int) {
|
||
|
|
TODO() // FIXME, update gui with message about this
|
||
|
|
}
|
||
|
|
|
||
|
|
// For each device that appears in our scan, ask for its GATT, when the gatt arrives,
|
||
|
|
// check if it is an eligable device and store it in our list of candidates
|
||
|
|
// if that device later disconnects remove it as a candidate
|
||
|
|
override fun onScanResult(callbackType: Int, result: ScanResult) {
|
||
|
|
|
||
|
|
BTLog.info("onScanResult ${result.device.address}")
|
||
|
|
|
||
|
|
// We don't need any more results now
|
||
|
|
// scanner.stopScan(this)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
BTLog.debug("starting scan")
|
||
|
|
|
||
|
|
// filter and only accept devices that have a sw update service
|
||
|
|
val filter =
|
||
|
|
ScanFilter.Builder()
|
||
|
|
.setServiceUuid(ParcelUuid(RadioInterfaceService.BTM_SERVICE_UUID))
|
||
|
|
.build()
|
||
|
|
|
||
|
|
/* ScanSettings.CALLBACK_TYPE_FIRST_MATCH seems to trigger a bug returning an error of
|
||
|
|
SCAN_FAILED_OUT_OF_HARDWARE_RESOURCES (error #5)
|
||
|
|
*/
|
||
|
|
val settings =
|
||
|
|
ScanSettings.Builder().setScanMode(ScanSettings.SCAN_MODE_LOW_LATENCY).
|
||
|
|
// setMatchMode(ScanSettings.MATCH_NUM_ONE_ADVERTISEMENT).
|
||
|
|
// setCallbackType(ScanSettings.CALLBACK_TYPE_FIRST_MATCH).
|
||
|
|
build()
|
||
|
|
scanner.startScan(listOf(filter), settings, scanCallback)
|
||
|
|
|
||
|
|
onDispose {
|
||
|
|
BTLog.debug("stopping scan")
|
||
|
|
scanner.stopScan(scanCallback)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
Column {
|
||
|
|
Text("FIXME")
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
@Preview
|
||
|
|
@Composable
|
||
|
|
fun btScanScreenPreview() {
|
||
|
|
BTScanScreen()
|
||
|
|
}
|