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...impleble-android/app/src/main/java/org/simpleble/examples/android/views/ConnectContent.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,185 @@ | ||
| package org.simpleble.examples.android.views | ||
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| import android.util.Log | ||
| import androidx.compose.foundation.clickable | ||
| import androidx.compose.foundation.layout.Arrangement | ||
| import androidx.compose.foundation.layout.Column | ||
| import androidx.compose.foundation.layout.PaddingValues | ||
| import androidx.compose.foundation.layout.fillMaxSize | ||
| import androidx.compose.foundation.layout.fillMaxWidth | ||
| import androidx.compose.foundation.layout.padding | ||
| import androidx.compose.foundation.lazy.LazyColumn | ||
| import androidx.compose.foundation.lazy.items | ||
| import androidx.compose.material.Button | ||
| import androidx.compose.material.MaterialTheme | ||
| import androidx.compose.material.Text | ||
| import androidx.compose.runtime.Composable | ||
| import androidx.compose.runtime.LaunchedEffect | ||
| import androidx.compose.runtime.getValue | ||
| import androidx.compose.runtime.mutableStateOf | ||
| import androidx.compose.runtime.remember | ||
| import androidx.compose.runtime.setValue | ||
| import androidx.compose.ui.Alignment | ||
| import androidx.compose.ui.Modifier | ||
| import androidx.compose.ui.unit.dp | ||
| import kotlinx.coroutines.CoroutineScope | ||
| import kotlinx.coroutines.Dispatchers | ||
| import kotlinx.coroutines.launch | ||
| import org.simpleble.android.Adapter | ||
| import org.simpleble.android.BluetoothUUID | ||
| import org.simpleble.android.Peripheral | ||
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| @Composable | ||
| fun ConnectContent() { | ||
| val adapter = Adapter.getAdapters()[0] | ||
| var scanResults by remember { mutableStateOf(emptyList<Peripheral>()) } | ||
| var isScanning by remember { mutableStateOf(false) } | ||
| var selectedDevice by remember { mutableStateOf<Peripheral?>(null) } | ||
| var isConnected by remember { mutableStateOf(false) } | ||
| var mtu by remember { mutableStateOf(0) } | ||
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|
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| //val adapter = SimpleBLE.getAdapter() | ||
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| LaunchedEffect(Unit) { | ||
| CoroutineScope(Dispatchers.Main).launch { | ||
| adapter.onScanActive.collect { | ||
| Log.d("SimpleBLE", "Scan active: $it") | ||
| isScanning = it | ||
| } | ||
| } | ||
|
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| CoroutineScope(Dispatchers.Main).launch { | ||
| adapter.onScanFound.collect { | ||
| Log.d("SimpleBLE", "Found device: ${it.identifier} [${it.address}] ${it.rssi} dBm") | ||
| scanResults = scanResults + it | ||
| } | ||
| } | ||
| } | ||
|
|
||
| Column( | ||
| modifier = Modifier.fillMaxSize(), | ||
| horizontalAlignment = Alignment.CenterHorizontally, | ||
| verticalArrangement = Arrangement.Center | ||
| ) { | ||
| Button( | ||
| onClick = { | ||
| if (!isScanning) { | ||
| CoroutineScope(Dispatchers.Main).launch { | ||
| scanResults = emptyList() | ||
| adapter.scanFor(5000) | ||
| } | ||
| } | ||
| }, | ||
| modifier = Modifier.padding(16.dp) | ||
| ) { | ||
| Text(text = if (isScanning) "Scanning..." else "Start Scan") | ||
| } | ||
|
|
||
| if (scanResults.isNotEmpty()) { | ||
| Text( | ||
| text = "The following devices were found:", | ||
| style = MaterialTheme.typography.h6, | ||
| modifier = Modifier.padding(16.dp) | ||
| ) | ||
|
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| LazyColumn( | ||
| modifier = Modifier.fillMaxWidth(), | ||
| contentPadding = PaddingValues(16.dp) | ||
| ) { | ||
| items(scanResults.withIndex().toList()) { (index, peripheral) -> | ||
| Text( | ||
| text = "[$index] ${peripheral.identifier} [${peripheral.address}]", | ||
| style = MaterialTheme.typography.body1, | ||
| modifier = Modifier | ||
| .padding(8.dp) | ||
| .clickable { | ||
| selectedDevice = peripheral | ||
| } | ||
| ) | ||
| } | ||
| } | ||
| } else { | ||
| Text( | ||
| text = "No devices found.", | ||
| style = MaterialTheme.typography.body1, | ||
| modifier = Modifier.padding(16.dp) | ||
| ) | ||
| } | ||
|
|
||
| selectedDevice?.let { peripheral -> | ||
| Text( | ||
| text = "Connecting to ${peripheral.identifier} [${peripheral.address}]", | ||
| style = MaterialTheme.typography.body1, | ||
| modifier = Modifier.padding(16.dp) | ||
| ) | ||
|
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||
| Button( | ||
| onClick = { | ||
| CoroutineScope(Dispatchers.Main).launch { | ||
| peripheral.connect() | ||
| peripheral.notify(BluetoothUUID("0000180f-0000-1000-8000-00805f9b34fb"), BluetoothUUID("00002a19-0000-1000-8000-00805f9b34fb")).collect { | ||
| Log.d("SimpleBLE", "Received notification: ${it.joinToString("")}") | ||
| } | ||
| } | ||
| // if (!isConnected) { | ||
| // peripheral.connect() | ||
| // isConnected = true | ||
| // mtu = peripheral.mtu | ||
| // } else { | ||
| // peripheral.disconnect() | ||
| // isConnected = false | ||
| // mtu = 0 | ||
| // } | ||
| }, | ||
| modifier = Modifier.padding(16.dp) | ||
| ) { | ||
| Text(text = if (isConnected) "Disconnect" else "Connect") | ||
| } | ||
|
|
||
| if (isConnected) { | ||
| Text( | ||
| text = "Successfully connected.", | ||
| style = MaterialTheme.typography.body1, | ||
| modifier = Modifier.padding(16.dp) | ||
| ) | ||
|
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| Text( | ||
| text = "MTU: ${peripheral.mtu}", | ||
| style = MaterialTheme.typography.body1, | ||
| modifier = Modifier.padding(16.dp) | ||
| ) | ||
|
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| // peripheral.services.forEach { service -> | ||
| // Text( | ||
| // text = "Service: ${service.uuid}", | ||
| // style = MaterialTheme.typography.body1, | ||
| // modifier = Modifier.padding(16.dp) | ||
| // ) | ||
| // | ||
| // service.characteristics.forEach { characteristic -> | ||
| // Text( | ||
| // text = "Characteristic: ${characteristic.uuid}", | ||
| // style = MaterialTheme.typography.body2, | ||
| // modifier = Modifier.padding(start = 32.dp) | ||
| // ) | ||
| // | ||
| // Text( | ||
| // text = "Capabilities: ${characteristic.capabilities.joinToString(", ")}", | ||
| // style = MaterialTheme.typography.body2, | ||
| // modifier = Modifier.padding(start = 32.dp) | ||
| // ) | ||
| // | ||
| // characteristic.descriptors.forEach { descriptor -> | ||
| // Text( | ||
| // text = "Descriptor: ${descriptor.uuid}", | ||
| // style = MaterialTheme.typography.body2, | ||
| // modifier = Modifier.padding(start = 48.dp) | ||
| // ) | ||
| // } | ||
| // } | ||
| // } | ||
| } | ||
| } | ||
| } | ||
| } |
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