improve beacon ui

app/src/main/java/llc/arma/ble/app/ui/screen/beacon/BeaconScreen.kt

@@ -21,6 +21,7 @@ import kotlinx.coroutines.launch
 import llc.arma.ble.app.ui.common.rememberBottomDialogState
 import llc.arma.ble.app.ui.screen.beacon.view.DisplayState
 import llc.arma.ble.app.ui.screen.beacon.view.PowerEdit
+import llc.arma.ble.app.ui.screen.beacon.view.Write
 import llc.arma.ble.app.ui.screen.thermometer.localizedName
 import llc.arma.ble.domain.model.Ble
 
@@ -75,257 +76,17 @@ fun BeaconScreen(
         when(sheetPage){
             SheetPage.WRITE -> bottomDialog.show {
 
-                val scope = rememberCoroutineScope()
-
                 val currentState = viewModel.viewState.value
 
-                if(currentState is BeaconContract.State.Display) {
+                if(currentState is BeaconContract.State.Display && currentState.writeState != null) {
 
-                    Column() {
+                    Write(
-
+                        state = currentState.writeState,
-                        when (currentState.writeState) {
+                        onEvent = {
-                            is BeaconContract.State.Display.WriteState.DisplayPreview -> {
+                            viewModel.setEvent(it)
-
+                        }
-                                Text(
-                                    modifier = Modifier.padding(horizontal = 12.dp),
-                                    text = "Записать изменения?",
-                                    style = MaterialTheme.typography.titleLarge
                     )
 
-                                currentState.writeState.writeRequest.tx?.let {
-                                    Box(
-                                        modifier = Modifier.padding(
-                                            vertical = 8.dp,
-                                            horizontal = 8.dp
-                                        )
-                                    ) {
-
-                                        Row(
-                                            verticalAlignment = Alignment.CenterVertically,
-                                            modifier = Modifier
-                                                .clip(RoundedCornerShape(16.dp))
-                                                .padding(8.dp)
-                                        ) {
-
-                                            Column(
-                                                modifier = Modifier.weight(1f)
-                                            ) {
-
-                                                Text(
-                                                    text = "Мощность"
-                                                )
-                                                Text(
-                                                    color = MaterialTheme.colorScheme.secondary,
-                                                    style = MaterialTheme.typography.bodyMedium,
-                                                    text = "${currentState.origin.state.tx.localizedName} db -> ${it.localizedName} db"
-                                                )
-
-                                            }
-
-                                        }
-
-                                    }
-                                }
-
-                                Surface(
-                                    modifier = Modifier
-                                        .fillMaxWidth()
-                                        .padding(8.dp)
-                                        .height(50.dp),
-                                    shape = CircleShape,
-                                    color = MaterialTheme.colorScheme.primaryContainer,
-                                    onClick = {
-                                        viewModel.setEvent(BeaconContract.Event.OnWriteBle)
-                                    }
-                                ) {
-
-                                    Box(modifier = Modifier.fillMaxSize()) {
-
-                                        Text(
-                                            modifier = Modifier.align(Alignment.Center),
-                                            color = MaterialTheme.colorScheme.background,
-                                            style = MaterialTheme.typography.labelLarge,
-                                            text = "Записать"
-                                        )
-
-                                    }
-
-                                }
-
-                                Surface(
-                                    modifier = Modifier
-                                        .fillMaxWidth()
-                                        .padding(8.dp)
-                                        .height(50.dp),
-                                    shape = CircleShape,
-                                    color = MaterialTheme.colorScheme.surfaceVariant,
-                                    onClick = {
-                                        scope.launch {
-                                            viewModel.setEvent(BeaconContract.Event.OnHideWriteBlePreview)
-                                        }
-                                    }
-                                ) {
-
-                                    Box(modifier = Modifier.fillMaxSize()) {
-
-                                        Text(
-                                            modifier = Modifier.align(Alignment.Center),
-                                            color = MaterialTheme.colorScheme.onSurfaceVariant,
-                                            style = MaterialTheme.typography.labelLarge,
-                                            text = "Отменить"
-                                        )
-
-                                    }
-
-                                }
-
-
-                            }
-                            is BeaconContract.State.Display.WriteState.Writing -> {
-
-                                Box {
-
-                                    Column() {
-
-                                        Text(
-                                            modifier = Modifier.padding(horizontal = 12.dp),
-                                            text = "Запись",
-                                            style = MaterialTheme.typography.titleLarge
-                                        )
-
-                                        CircularProgressIndicator(
-                                            modifier = Modifier
-                                                .align(Alignment.CenterHorizontally)
-                                                .padding(bottom = 48.dp)
-                                        )
-
-                                        Surface(
-                                            modifier = Modifier
-                                                .fillMaxWidth()
-                                                .padding(8.dp)
-                                                .height(50.dp),
-                                            shape = CircleShape,
-                                            color = MaterialTheme.colorScheme.surfaceVariant,
-                                            onClick = {
-                                                scope.launch {
-                                                    viewModel.setEvent(BeaconContract.Event.OnHideWriteBlePreview)
-                                                }
-                                            }
-                                        ) {
-
-                                            Box(modifier = Modifier.fillMaxSize()) {
-
-                                                Text(
-                                                    modifier = Modifier.align(Alignment.Center),
-                                                    color = MaterialTheme.colorScheme.onSurfaceVariant,
-                                                    style = MaterialTheme.typography.labelLarge,
-                                                    text = "Отменить"
-                                                )
-
-                                            }
-
-                                        }
-
-                                    }
-
-                                }
-
-                            }
-                            BeaconContract.State.Display.WriteState.Success -> {
-
-                                Box {
-
-                                    Column {
-
-                                        Text(
-                                            modifier = Modifier.padding(horizontal = 12.dp),
-                                            text = "Запись завершена",
-                                            style = MaterialTheme.typography.titleLarge
-                                        )
-
-                                        Surface(
-                                            modifier = Modifier
-                                                .fillMaxWidth()
-                                                .padding(8.dp)
-                                                .height(50.dp),
-                                            shape = CircleShape,
-                                            color = MaterialTheme.colorScheme.primary,
-                                            onClick = {
-                                                scope.launch {
-                                                    viewModel.setEvent(BeaconContract.Event.OnHideWriteBlePreview)
-                                                }
-                                            }
-                                        ) {
-
-                                            Box(modifier = Modifier.fillMaxSize()) {
-
-                                                Text(
-                                                    modifier = Modifier.align(Alignment.Center),
-                                                    color = MaterialTheme.colorScheme.onPrimary,
-                                                    style = MaterialTheme.typography.labelLarge,
-                                                    text = "Ок"
-                                                )
-
-                                            }
-
-                                        }
-
-                                    }
-
-                                }
-
-                            }
-                            BeaconContract.State.Display.WriteState.Failure -> {
-
-                                Box {
-
-                                    Column {
-
-                                        Text(
-                                            modifier = Modifier.padding(horizontal = 12.dp),
-                                            text = "Ошибка записи",
-                                            style = MaterialTheme.typography.titleLarge
-                                        )
-
-                                        Surface(
-                                            modifier = Modifier
-                                                .fillMaxWidth()
-                                                .padding(8.dp)
-                                                .height(50.dp),
-                                            shape = CircleShape,
-                                            color = MaterialTheme.colorScheme.primary,
-                                            onClick = {
-                                                scope.launch {
-                                                    viewModel.setEvent(BeaconContract.Event.OnHideWriteBlePreview)
-                                                }
-                                            }
-                                        ) {
-
-                                            Box(modifier = Modifier.fillMaxSize()) {
-
-                                                Text(
-                                                    modifier = Modifier.align(Alignment.Center),
-                                                    color = MaterialTheme.colorScheme.onPrimary,
-                                                    style = MaterialTheme.typography.labelLarge,
-                                                    text = "Ок"
-                                                )
-
-                                            }
-
-                                        }
-
-                                    }
-
-                                }
-
-                            }
-                            else -> {}
-                        }
-
-                        Spacer(modifier = Modifier.height(48.dp))
-
-                    }
-
                 }
 
             }
@@ -354,7 +115,8 @@ fun BeaconScreen(
                 onEvent = {
                     viewModel.setEvent(it)
                 },
-                ble = state.beacon
+                ble = state.beacon,
+                origin = state.origin
             )
             is BeaconContract.State.Loading -> LoadingState()
         }

app/src/main/java/llc/arma/ble/app/ui/screen/beacon/BeaconViewModel.kt

@@ -84,6 +84,19 @@ class BeaconViewModel @Inject constructor(
         state: BeaconContract.State,
         event: BeaconContract.Event.OnBleChanged
     ) {
+
+        when(state){
+            is BeaconContract.State.Display -> {
+                setState {
+                    state.copy(
+                        origin = Ble.Beacon(
+                            info = event.ble.info,
+                            state = state.origin.state
+                        )
+                    )
+                }
+            }
+            is BeaconContract.State.Loading -> {
                 setState {
                     BeaconContract.State.Display(
                         origin = event.ble,
@@ -92,6 +105,9 @@ class BeaconViewModel @Inject constructor(
                     )
                 }
             }
+        }
+
+    }
 
     private fun reduce(
         state: BeaconContract.State,
@@ -147,22 +163,35 @@ class BeaconViewModel @Inject constructor(
 
         if(state is BeaconContract.State.Display){
 
-            state.writeState?.let {
+            state.writeState?.let { request ->
 
-                if(it is BeaconContract.State.Display.WriteState.DisplayPreview) {
+                if(request is BeaconContract.State.Display.WriteState.DisplayPreview) {
 
                     viewModelScope.launch {
 
                         setState {
                             state.copy(
-                                writeState = BeaconContract.State.Display.WriteState.Writing(it.writeRequest)
+                                writeState = BeaconContract.State.Display.WriteState.Writing(request.writeRequest)
                             )
                         }
 
-                        writeBle(state.beacon.info.serial, it.writeRequest).fold(
+                        val currentState = viewState.value
+
+                        if(currentState is BeaconContract.State.Display) {
+
+                            val newBleObject = Ble.Beacon(
+                                info = currentState.origin.info,
+                                state = currentState.origin.state.copy(
+                                    tx = request.writeRequest.tx ?: state.origin.state.tx
+                                )
+                            )
+
+                            writeBle(state.beacon.info.serial, request.writeRequest).fold(
                                 onSuccess = {
                                     setState {
-                                    state.copy(
+                                        currentState.copy(
+                                            origin = newBleObject,
+                                            beacon = bleMapper.map(newBleObject) as BleView.Beacon,
                                             writeState = BeaconContract.State.Display.WriteState.Success
                                         )
                                     }
@@ -187,3 +216,5 @@ class BeaconViewModel @Inject constructor(
         }
 
     }
+
+}

app/src/main/java/llc/arma/ble/app/ui/screen/beacon/view/DisplayState.kt

@@ -18,10 +18,12 @@ import androidx.compose.ui.unit.dp
 import llc.arma.ble.app.ui.model.BleView
 import llc.arma.ble.app.ui.screen.BleInfoView
 import llc.arma.ble.app.ui.screen.beacon.BeaconContract
+import llc.arma.ble.domain.model.Ble
 
 @Composable
 fun DisplayState(
     onEvent: (BeaconContract.Event) -> Unit,
+    origin: Ble.Beacon,
     ble: BleView.Beacon
 ) {
 
@@ -39,7 +41,7 @@ fun DisplayState(
                     horizontal = 8.dp
                 )
             ) {
-                BleInfoView(bleInfo = ble.info)
+                BleInfoView(bleInfo = origin.info)
             }
 
             Column(

app/src/main/java/llc/arma/ble/app/ui/screen/beacon/view/Write.kt

@@ -0,0 +1,346 @@
+package llc.arma.ble.app.ui.screen.beacon.view
+
+import androidx.compose.animation.animateContentSize
+import androidx.compose.foundation.Image
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.shape.CircleShape
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material3.CircularProgressIndicator
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Surface
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.graphics.StrokeCap
+import androidx.compose.ui.res.painterResource
+import androidx.compose.ui.unit.dp
+import llc.arma.ble.R
+import llc.arma.ble.app.ui.screen.beacon.BeaconContract
+import llc.arma.ble.app.ui.screen.thermometer.localizedName
+
+@Composable
+fun Write(
+    state: BeaconContract.State.Display.WriteState,
+    onEvent: (BeaconContract.Event) -> Unit
+) {
+
+    Column(
+        modifier = Modifier.animateContentSize()
+    ) {
+
+        Text(
+            modifier = Modifier.padding(horizontal = 12.dp),
+            text = "Запись изменений",
+            style = MaterialTheme.typography.titleLarge
+        )
+
+        Spacer(modifier = Modifier.height(20.dp))
+
+        when (state) {
+            is BeaconContract.State.Display.WriteState.DisplayPreview -> {
+
+                if(state.writeRequest.tx != null) {
+
+                    state.writeRequest.tx.let {
+                        Box(
+                            modifier = Modifier.padding(
+                                vertical = 0.dp,
+                                horizontal = 8.dp
+                            )
+                        ) {
+
+                            Row(
+                                verticalAlignment = Alignment.CenterVertically,
+                                modifier = Modifier
+                                    .clip(RoundedCornerShape(16.dp))
+                                    .padding(8.dp)
+                            ) {
+
+                                Column(
+                                    modifier = Modifier.weight(1f)
+                                ) {
+
+                                    Text(
+                                        text = "Мощность"
+                                    )
+                                    Text(
+                                        color = MaterialTheme.colorScheme.secondary,
+                                        style = MaterialTheme.typography.bodyMedium,
+                                        text = "${it.localizedName} db"
+                                    )
+
+                                }
+
+                            }
+
+                        }
+                    }
+
+                    Spacer(modifier = Modifier.height(20.dp))
+
+                    Surface(
+                        shape = CircleShape,
+                        color = MaterialTheme.colorScheme.primaryContainer,
+                        onClick = {
+                            onEvent(BeaconContract.Event.OnWriteBle)
+                        },
+                        modifier = Modifier
+                            .fillMaxWidth()
+                            .padding(8.dp)
+                            .height(50.dp),
+                    ) {
+
+                        Box(modifier = Modifier.fillMaxSize()) {
+
+                            Text(
+                                modifier = Modifier.align(Alignment.Center),
+                                color = MaterialTheme.colorScheme.background,
+                                style = MaterialTheme.typography.labelLarge,
+                                text = "Записать"
+                            )
+
+                        }
+
+                    }
+
+                    Surface(
+                        shape = CircleShape,
+                        color = MaterialTheme.colorScheme.surfaceVariant,
+                        onClick = {
+                            onEvent(BeaconContract.Event.OnHideWriteBlePreview)
+                        },
+                        modifier = Modifier
+                            .fillMaxWidth()
+                            .padding(8.dp)
+                            .height(50.dp),
+                    ) {
+
+                        Box(modifier = Modifier.fillMaxSize()) {
+
+                            Text(
+                                modifier = Modifier.align(Alignment.Center),
+                                color = MaterialTheme.colorScheme.onSurfaceVariant,
+                                style = MaterialTheme.typography.labelLarge,
+                                text = "Отменить"
+                            )
+
+                        }
+
+                    }
+
+                } else {
+
+                    Spacer(modifier = Modifier.height(38.dp))
+
+                    Text(
+                        text = "Нет изменений",
+                        modifier = Modifier
+                            .align(Alignment.CenterHorizontally)
+                    )
+
+                    Spacer(modifier = Modifier.height(64.dp))
+
+                    Surface(
+                        modifier = Modifier
+                            .fillMaxWidth()
+                            .padding(8.dp)
+                            .height(50.dp),
+                        shape = CircleShape,
+                        color = MaterialTheme.colorScheme.primary,
+                        onClick = {
+                            onEvent(BeaconContract.Event.OnHideWriteBlePreview)
+                        }
+                    ) {
+
+                        Box(modifier = Modifier.fillMaxSize()) {
+
+                            Text(
+                                modifier = Modifier.align(Alignment.Center),
+                                color = MaterialTheme.colorScheme.onPrimary,
+                                style = MaterialTheme.typography.labelLarge,
+                                text = "Ок"
+                            )
+
+                        }
+
+                    }
+
+                }
+
+
+            }
+            is BeaconContract.State.Display.WriteState.Writing -> {
+
+                Box {
+
+                    Column() {
+
+                        Spacer(modifier = Modifier.height(28.dp))
+
+                        CircularProgressIndicator(
+                            strokeCap = StrokeCap.Round,
+                            modifier = Modifier
+                                .align(Alignment.CenterHorizontally)
+                        )
+
+                        Spacer(modifier = Modifier.height(48.dp))
+
+                        Surface(
+                            modifier = Modifier
+                                .fillMaxWidth()
+                                .padding(8.dp)
+                                .height(50.dp),
+                            shape = CircleShape,
+                            color = MaterialTheme.colorScheme.surfaceVariant,
+                            onClick = {
+                                onEvent(BeaconContract.Event.OnHideWriteBlePreview)
+                            }
+                        ) {
+
+                            Box(modifier = Modifier.fillMaxSize()) {
+
+                                Text(
+                                    modifier = Modifier.align(Alignment.Center),
+                                    color = MaterialTheme.colorScheme.onSurfaceVariant,
+                                    style = MaterialTheme.typography.labelLarge,
+                                    text = "Отменить"
+                                )
+
+                            }
+
+                        }
+
+                    }
+
+                }
+
+            }
+            BeaconContract.State.Display.WriteState.Success -> {
+
+                Box {
+
+                    Column {
+
+                        Box(
+                            modifier = Modifier
+                                .padding(8.dp)
+                                .fillMaxWidth()
+                        ) {
+
+                            Image(
+                                modifier = Modifier
+                                    .size(125.dp)
+                                    .align(Alignment.Center),
+                                painter = painterResource(R.drawable.ic_done),
+                                contentDescription = null
+                            )
+
+                        }
+
+                        Spacer(modifier = Modifier.height(16.dp))
+
+                        Text(
+                            modifier = Modifier.align(Alignment.CenterHorizontally),
+                            text = "Успешно завершено"
+                        )
+
+                        Spacer(modifier = Modifier.height(20.dp))
+
+                        Surface(
+                            modifier = Modifier
+                                .fillMaxWidth()
+                                .padding(8.dp)
+                                .height(50.dp),
+                            shape = CircleShape,
+                            color = MaterialTheme.colorScheme.primary,
+                            onClick = {
+                                onEvent(BeaconContract.Event.OnHideWriteBlePreview)
+                            }
+                        ) {
+
+                            Box(modifier = Modifier.fillMaxSize()) {
+
+                                Text(
+                                    modifier = Modifier.align(Alignment.Center),
+                                    color = MaterialTheme.colorScheme.onPrimary,
+                                    style = MaterialTheme.typography.labelLarge,
+                                    text = "Ок"
+                                )
+
+                            }
+
+                        }
+
+                    }
+
+                }
+
+            }
+            BeaconContract.State.Display.WriteState.Failure -> {
+
+                Box {
+
+                    Column {
+
+                        Box(
+                            modifier = Modifier
+                                .padding(8.dp)
+                                .fillMaxWidth()
+                        ) {
+
+                            Image(
+                                modifier = Modifier
+                                    .size(125.dp)
+                                    .align(Alignment.Center),
+                                painter = painterResource(R.drawable.ic_error),
+                                contentDescription = null
+                            )
+
+                        }
+
+                        Spacer(modifier = Modifier.height(16.dp))
+
+                        Text(
+                            modifier = Modifier.align(Alignment.CenterHorizontally),
+                            text = "Ошибка записи"
+                        )
+
+                        Spacer(modifier = Modifier.height(20.dp))
+
+                        Surface(
+                            modifier = Modifier
+                                .fillMaxWidth()
+                                .padding(8.dp)
+                                .height(50.dp),
+                            shape = CircleShape,
+                            color = MaterialTheme.colorScheme.primary,
+                            onClick = {
+                                onEvent(BeaconContract.Event.OnHideWriteBlePreview)
+                            }
+                        ) {
+
+                            Box(modifier = Modifier.fillMaxSize()) {
+
+                                Text(
+                                    modifier = Modifier.align(Alignment.Center),
+                                    color = MaterialTheme.colorScheme.onPrimary,
+                                    style = MaterialTheme.typography.labelLarge,
+                                    text = "Ок"
+                                )
+
+                            }
+
+                        }
+
+                    }
+
+                }
+
+            }
+        }
+
+    }
+
+}

app/src/main/java/llc/arma/ble/data/BleRepositoryImpl.kt

@@ -231,7 +231,7 @@ class BleRepositoryImpl @Inject constructor(
 
                                 }
 
-                                delay(500)
+                                delay(1_000)
 
                             }
 
@@ -297,7 +297,7 @@ class BleRepositoryImpl @Inject constructor(
 
                                 }
 
-                                delay(500)
+                                delay(1_000)
 
                             }
 
@@ -310,7 +310,7 @@ class BleRepositoryImpl @Inject constructor(
 
         }
 
-        return llc.arma.ble.domain.Result.failure(BleException.UnexpectedResponse)
+        return Result.failure(BleException.UnexpectedResponse)
 
     }
 
@@ -465,37 +465,6 @@ class BleRepositoryImpl @Inject constructor(
 
             }
 
-            /*request.tx?.let {
-                Log.d("write", "tx")
-                writeTx(result.device, it)
-            }?.onFailure {
-                Log.d("write", "tx fail")
-                return Result.failure(it)
-            }
-
-            request.historyInterval?.let {
-                Log.d("write", "in")
-                writeSaveInterval(result.device, it)
-            }?.onFailure {
-                Log.d("write", "in fail")
-                return Result.failure(it)
-            }
-
-            request.saveHistory?.let {
-                Log.d("write", "hs")
-                writeSaveEnabled(result.device, it)
-            }?.onFailure {
-                Log.d("write", "hs fail")
-                return Result.failure(it)
-            }
-
-            Log.d("write", "fs")
-
-            writeToFlash(serial).onFailure {
-                Log.d("write", "fs fail")
-                return Result.failure(it)
-            }*/
-
         }
 
     }
@@ -503,44 +472,37 @@ class BleRepositoryImpl @Inject constructor(
     override suspend fun writeBle(
         serial: String,
         request: Ble.Beacon.WriteRequest
-    ): Result<Unit, BleException> {
+    ): Result<Unit, BleException> = suspendCancellableCoroutine {
 
-        deviceCache[serial]?.let { result ->
+        deviceCache[serial]?.let { scanResult ->
 
-            request.tx?.let { writeTx(result.device, it) }?.onFailure {
+            if(checkPermission()) {
-                return Result.failure(it)
-            }
 
-            writeToFlash(serial).onFailure {
+                var gatt: BluetoothGatt? = null
-                return Result.failure(it)
-            }
 
+                val callback = WriteBeaconCallback(app, request) { result ->
+
+                    gatt?.close()
+
+                    result.onSuccess {
                         deviceCache.remove(serial)
                         resultList.remove(serial)
+                    }
+
+                    it.resume(result)
 
                 }
 
-        return Result.success(Unit)
+                gatt = scanResult.device.connectGatt(app, false, callback)
+
+            } else {
+
+                it.resume(Result.failure(BleException.PermissionDenied))
 
             }
 
-    private suspend fun writeToFlash(
-        serial: String
-    ): Result<Unit, BleException>{
-
-        deviceCache[serial]?.device?.let { result ->
-
-            return writeCharacteristic(
-                device = result,
-                serviceId = serviceUUID,
-                characteristicId = flashWriteUUID,
-                writeData = byteArrayOf(9, 1)
-            )
-
         }
 
-        return Result.success(Unit)
-
     }
 
     override suspend fun changeBlePassword(
@@ -567,69 +529,6 @@ class BleRepositoryImpl @Inject constructor(
         return Result.success(Unit)
     }
 
-    private suspend fun writeTx(
-        device: BluetoothDevice,
-        tx: Ble.BleState.TX
-    ): Result<Unit, BleException>  {
-
-        return writeCharacteristic(
-            device = device,
-            serviceId = serviceUUID,
-            characteristicId = txWriteUUID,
-            writeData = byteArrayOf(
-                when(tx) {
-                    Ble.BleState.TX.MINUS_40 -> -40
-                    Ble.BleState.TX.MINUS_20 -> -20
-                    Ble.BleState.TX.MINUS_16 -> -16
-                    Ble.BleState.TX.MINUS_12 -> -12
-                    Ble.BleState.TX.MINUS_8 -> -8
-                    Ble.BleState.TX.MINUS_4 -> -4
-                    Ble.BleState.TX.ZERO -> 0
-                    Ble.BleState.TX.PLUS_3 -> 3
-                    Ble.BleState.TX.PLUS_4 -> 4
-                }
-            )
-        )
-
-    }
-
-    private suspend fun writeSaveInterval(
-        device: BluetoothDevice,
-        interval: Long
-    ): Result<Unit, BleException> {
-
-        fun UInt.to4ByteArrayInBigEndian(): ByteArray =
-            (3 downTo 0).map {
-                (this shr (it * Byte.SIZE_BITS)).toByte()
-            }.reversed().toByteArray()
-
-        return writeCharacteristic(
-            device = device,
-            serviceId = serviceUUID,
-            characteristicId = intervalWriteUUID,
-            writeData = mutableListOf<Byte>(3).apply {
-                addAll((interval / 1_000).toUInt().to4ByteArrayInBigEndian().toList())
-            }.toByteArray()
-        )
-
-    }
-
-    private suspend fun writeSaveEnabled(
-        device: BluetoothDevice,
-        enabled: Boolean
-    ): Result<Unit, BleException> {
-
-        return writeCharacteristic(
-            device = device,
-            serviceId = serviceUUID,
-            characteristicId = saveEnabledWriteUUID,
-            writeData = mutableListOf<Byte>(4).apply {
-                add(if(enabled) 1 else 0)
-            }.toByteArray()
-        )
-
-    }
-
     private suspend fun readCharacteristic(
         device: BluetoothDevice,
         serviceId: UUID,

app/src/main/java/llc/arma/ble/data/WriteBeaconCallback.kt

@@ -0,0 +1,212 @@
+package llc.arma.ble.data
+
+import android.Manifest
+import android.app.Application
+import android.bluetooth.BluetoothGatt
+import android.bluetooth.BluetoothGattCallback
+import android.bluetooth.BluetoothGattCharacteristic
+import android.bluetooth.BluetoothProfile
+import android.content.pm.PackageManager
+import android.os.Build
+import android.util.Log
+import androidx.core.app.ActivityCompat
+import llc.arma.ble.domain.Result
+import llc.arma.ble.domain.common.BleException
+import llc.arma.ble.domain.model.Ble
+import java.util.UUID
+
+class WriteBeaconCallback(
+    private val app: Application,
+    private var request: Ble.Beacon.WriteRequest,
+    private val onResult: (Result<Unit, BleException>) -> Unit
+) : BluetoothGattCallback() {
+
+    private var flashed = false
+
+    override fun onConnectionStateChange(
+        gatt: BluetoothGatt,
+        status: Int,
+        newState: Int
+    ) {
+        super.onConnectionStateChange(gatt, status, newState)
+
+        Log.d("beacon", "onConnectionStateChange $status $newState")
+
+        if(checkPermission()) {
+
+            if(status == BluetoothGatt.GATT_SUCCESS && newState == BluetoothProfile.STATE_CONNECTED) {
+
+                gatt.discoverServices()
+
+            } else {
+
+                onResult(Result.failure(BleException.UnexpectedResponse))
+
+            }
+
+        } else {
+
+            onResult(Result.failure(BleException.PermissionDenied))
+
+        }
+
+    }
+
+    override fun onServicesDiscovered(
+        gatt: BluetoothGatt,
+        status: Int
+    ) {
+        Log.d("beacon", "onServicesDiscovered $status")
+        super.onServicesDiscovered(gatt, status)
+        onCycle(gatt, status)
+
+    }
+
+    private fun onCycle(
+        gatt: BluetoothGatt,
+        status: Int
+    ){
+
+        if(request.tx != null) {
+
+            var uuid: Pair<UUID, ByteArray>? = null
+
+            uuid = request.tx?.let {
+
+                this.request = request.copy(
+                    tx = null
+                )
+
+                Pair(
+                    txWriteUUID,
+                    byteArrayOf(
+                        when (it) {
+                            Ble.BleState.TX.MINUS_40 -> -40
+                            Ble.BleState.TX.MINUS_20 -> -20
+                            Ble.BleState.TX.MINUS_16 -> -16
+                            Ble.BleState.TX.MINUS_12 -> -12
+                            Ble.BleState.TX.MINUS_8 -> -8
+                            Ble.BleState.TX.MINUS_4 -> -4
+                            Ble.BleState.TX.ZERO -> 0
+                            Ble.BleState.TX.PLUS_3 -> 3
+                            Ble.BleState.TX.PLUS_4 -> 4
+                        }
+                    )
+                )
+
+            } ?: uuid
+
+            uuid?.let { uuid ->
+
+                gatt.services.firstOrNull { it.uuid == serviceUUID }?.characteristics?.firstOrNull {
+                    it.uuid == uuid.first
+                }?.let {
+
+                    gatt.writeCharacteristic(it, uuid.second)
+
+                    return
+
+                }
+
+            }
+
+            onResult(Result.failure(BleException.UnexpectedResponse))
+
+        } else {
+
+            if(flashed.not()){
+
+                flashed = true
+
+                gatt.services.firstOrNull { it.uuid == serviceUUID }?.characteristics?.firstOrNull {
+                    it.uuid == flashWriteUUID
+                }?.let {
+
+                    gatt.writeCharacteristic(it, byteArrayOf(9))
+
+                    return
+
+                }
+
+                onResult(Result.failure(BleException.UnexpectedResponse))
+
+            } else {
+
+                onResult(Result.success(Unit))
+
+            }
+
+        }
+
+    }
+
+    override fun onCharacteristicWrite(
+        gatt: BluetoothGatt,
+        characteristic: BluetoothGattCharacteristic,
+        status: Int
+    ) {
+
+        Log.d("beacon", "onCharacteristicWrite $status")
+
+        super.onCharacteristicWrite(gatt, characteristic, status)
+
+        if(checkPermission()) {
+
+            if(status == BluetoothGatt.GATT_SUCCESS || flashed) {
+
+                onCycle(gatt, status)
+
+            } else {
+
+                onResult(Result.failure(BleException.UnexpectedResponse))
+
+            }
+
+        } else {
+
+            onResult(Result.failure(BleException.PermissionDenied))
+
+        }
+
+    }
+
+    fun BluetoothGatt.writeCharacteristic(
+        characteristic: BluetoothGattCharacteristic,
+        data: ByteArray
+    ): Result<Unit, BleException> {
+
+        return if(checkPermission()){
+
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
+                writeCharacteristic(characteristic, data, BluetoothGattCharacteristic.WRITE_TYPE_DEFAULT)
+            }else{
+
+                characteristic.writeType
+                characteristic.value = data
+                writeCharacteristic(characteristic)
+            }
+
+            Result.success(Unit)
+
+        } else {
+            Result.failure(BleException.PermissionDenied)
+        }
+
+    }
+
+    fun checkPermission(): Boolean {
+
+        return if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
+            ActivityCompat.checkSelfPermission(app, Manifest.permission.BLUETOOTH_CONNECT) ==
+                    PackageManager.PERMISSION_GRANTED &&
+                    ActivityCompat.checkSelfPermission(app, Manifest.permission.BLUETOOTH_SCAN) ==
+                    PackageManager.PERMISSION_GRANTED
+        } else {
+            return ActivityCompat.checkSelfPermission(app, Manifest.permission.ACCESS_FINE_LOCATION) ==
+                    PackageManager.PERMISSION_GRANTED &&
+                    ActivityCompat.checkSelfPermission(app, Manifest.permission.ACCESS_COARSE_LOCATION) ==
+                    PackageManager.PERMISSION_GRANTED
+        }
+    }
+
+}

app/src/main/java/llc/arma/ble/domain/model/Ble.kt

@@ -9,7 +9,7 @@ sealed class Ble(
         val state: BleState
     ) : Ble(info){
 
-        class WriteRequest(
+        data class WriteRequest(
             val tx: BleState.TX?
         )