migrate

app/src/main/AndroidManifest.xml

@@ -6,7 +6,6 @@
     <uses-permission android:name="android.permission.BLUETOOTH_SCAN" android:usesPermissionFlags="neverForLocation" />
     <uses-permission android:name="android.permission.BLUETOOTH_CONNECT" />
     <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" android:maxSdkVersion="30" />
-    <uses-permission android:name="android.permission.FOREGROUND_SERVICE"/>
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE_CONNECTED_DEVICE"/>
 
     <application
@@ -18,12 +17,9 @@
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/Theme.SmartWatchAndroid">
-        <service
-            android:name=".BluetoothForegroundService"
-            android:foregroundServiceType="connectedDevice"
-            android:exported="false" />
         <activity
             android:name=".MainActivity"
+            android:screenOrientation="portrait"
             android:exported="true"
             android:theme="@style/Theme.SmartWatchAndroid"
             android:windowSoftInputMode="adjustResize">

app/src/main/java/com/example/smart_watch_android/BLE/BleManager.kt

@@ -14,9 +14,8 @@ import android.os.Build
 import android.util.Log
 import androidx.annotation.RequiresApi
 import androidx.annotation.RequiresPermission
+import androidx.compose.runtime.mutableStateOf
 import androidx.core.app.ActivityCompat
-import com.example.smart_watch_android.MainActivity
-import com.example.smart_watch_android.ViewModel
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.delay
@@ -27,15 +26,15 @@ import java.time.format.DateTimeFormatter
 import java.util.UUID
 import kotlin.time.Duration.Companion.milliseconds
 
-class BleManager(private val context: Context, val viewModel: ViewModel) {
+class BleManager(private val context: Context) {
 
     //var deviceAddress = "10:BD:A3:8F:01:0E"
-    val devices = mutableListOf<Devices>()
+    var devices = mutableListOf<Devices>()
+    var isConnected = mutableStateOf(false)
 
     val currentDate: LocalDate? = LocalDate.now()
     private val deviceUUIDs = DeviceUUIDs
     private var bluetoothGatt: BluetoothGatt? = null
-
     private var bluetoothManager: BluetoothManager? = null
     private var bluetoothAdapter: BluetoothAdapter? = null
     var deviceAddress: String = ""
@@ -47,7 +46,7 @@ class BleManager(private val context: Context, val viewModel: ViewModel) {
                     Log.d("ESP32_BLE", "Connected! Start discoverServices()...")
                     gatt.discoverServices()
                 } else if (newState == BluetoothProfile.STATE_DISCONNECTED) {
-                    viewModel.setDeviceConection(false)
+                    isConnected.value = false
 
                     gatt.close()
                     bluetoothGatt = null
@@ -55,14 +54,14 @@ class BleManager(private val context: Context, val viewModel: ViewModel) {
                 }
             } else {
                 Log.d("ESP32_BLE", "error in onConnectionStateChange! Status-Code: $status")
-                viewModel.setDeviceConection(false)
+                isConnected.value = false
             }
         }
 
         override fun onServicesDiscovered(gatt: BluetoothGatt, status: Int) {
             if (status == BluetoothGatt.GATT_SUCCESS) {
-                viewModel.setDeviceConection(true)
                 Log.d("ESP32_BLE", "connected successfully.")
+                isConnected.value = true
             }
         }
     }
@@ -77,6 +76,7 @@ class BleManager(private val context: Context, val viewModel: ViewModel) {
         checkAndRequestBluetoothPermissions()
         bluetoothManager = context.getSystemService(Context.BLUETOOTH_SERVICE) as BluetoothManager
         bluetoothAdapter = bluetoothManager?.adapter
+        devices = getDeviceList() as MutableList<Devices>
     }
 
     @RequiresPermission(Manifest.permission.BLUETOOTH_CONNECT)
@@ -84,6 +84,7 @@ class BleManager(private val context: Context, val viewModel: ViewModel) {
         bluetoothAdapter?.bondedDevices?.forEach { device ->
             devices.add(Devices(deviceName = device.name, deviceMac = device.address))
         }
+        Log.d("devices","$devices")
         return devices
     }
 
@@ -116,7 +117,6 @@ class BleManager(private val context: Context, val viewModel: ViewModel) {
             Log.d("ESP32_BLE", "error: Bluetooth is not supported!")
             return
         }
-
         try {
             val device = bluetoothAdapter!!.getRemoteDevice(deviceAddress)
 

app/src/main/java/com/example/smart_watch_android/MainActivity.kt

@@ -13,19 +13,19 @@ import androidx.annotation.RequiresPermission
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Surface
+import androidx.compose.runtime.Composable
 import androidx.compose.ui.Modifier
 import com.example.smart_watch_android.BLE.BleManager
 import com.example.smart_watch_android.Screens.AppNavigation
 
 class MainActivity : ComponentActivity() {
     lateinit var bleManager: BleManager
-    private val viewModel: ViewModel by viewModels()
 
     @RequiresApi(Build.VERSION_CODES.S)
     @RequiresPermission(Manifest.permission.BLUETOOTH_CONNECT)
-    override fun onCreate(savedInstanceState: Bundle?) {
+    override fun onCreate(savedInstanceState: Bundle?,) {
         super.onCreate(savedInstanceState)
-            bleManager = BleManager(this, viewModel)
+            bleManager = BleManager(this)
             bleManager.init()
         enableEdgeToEdge()
         setContent {
@@ -34,7 +34,7 @@ class MainActivity : ComponentActivity() {
                     modifier = Modifier.fillMaxSize(),
                     color = MaterialTheme.colorScheme.background
                 ) {
-                    AppNavigation(bleManager = bleManager, viewModel = viewModel)
+                    AppNavigation(bleManager = bleManager)
                 }
             }
         }

app/src/main/java/com/example/smart_watch_android/Screens/AppNavigation.kt

@@ -4,22 +4,17 @@ import android.Manifest
 import androidx.annotation.RequiresPermission
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
-import androidx.compose.runtime.collectAsState
-import androidx.compose.runtime.getValue
 import androidx.navigation.compose.NavHost
 import androidx.navigation.compose.composable
 import androidx.navigation.compose.rememberNavController
 import com.example.smart_watch_android.BLE.BleManager
-import com.example.smart_watch_android.ViewModel
 
 @RequiresPermission(Manifest.permission.BLUETOOTH_CONNECT)
 @Composable
-fun AppNavigation(bleManager: BleManager, viewModel: ViewModel) {
+fun AppNavigation(bleManager: BleManager) {
     val navController = rememberNavController()
-    val isConnected by viewModel.isDeviceConnected.collectAsState()
+    LaunchedEffect(bleManager.isConnected) {
-
+        if (bleManager.isConnected.value) {
-    LaunchedEffect(viewModel.isConnected) {
-        if (isConnected) {
             navController.navigate("control_panel") {
                 popUpTo("connect") { inclusive = true }
             }
@@ -29,7 +24,7 @@ fun AppNavigation(bleManager: BleManager, viewModel: ViewModel) {
             }
         }
     }
-    val startDestination = if (isConnected) {
+    val startDestination = if (bleManager.isConnected.value) {
         "control_panel"
     } else {
         "connect"
@@ -42,8 +37,7 @@ fun AppNavigation(bleManager: BleManager, viewModel: ViewModel) {
         // Connect Screen
         composable("connect") {
             ConnectScreen(
-                bleManager = bleManager,
+                bleManager = bleManager
-                viewModel = viewModel
             )
         }
 

app/src/main/java/com/example/smart_watch_android/Screens/ConnectScreen.kt

@@ -8,7 +8,6 @@ import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.Spacer
 import androidx.compose.foundation.layout.fillMaxSize
-import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.height
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.size
@@ -31,14 +30,12 @@ import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
 import com.example.smart_watch_android.BLE.BleManager
-import com.example.smart_watch_android.ViewModel
 
 @RequiresPermission(Manifest.permission.BLUETOOTH_CONNECT)
 @Composable
-fun ConnectScreen(bleManager: BleManager, viewModel: ViewModel) {
+fun ConnectScreen(bleManager: BleManager) {
     var expanded by remember { mutableStateOf(false) }
     var selectedDevice by remember { mutableStateOf("device") }
-    val devices = bleManager.getDeviceList()
     Column(
         modifier = Modifier
             .fillMaxSize()
@@ -47,6 +44,10 @@ fun ConnectScreen(bleManager: BleManager, viewModel: ViewModel) {
         horizontalAlignment = Alignment.CenterHorizontally
     )
     {
+        Box(
+            modifier = Modifier
+                .padding(16.dp)
+        ) {
             Button(
                 onClick = { expanded = !expanded },
                 shape = RoundedCornerShape(4.dp),
@@ -56,9 +57,11 @@ fun ConnectScreen(bleManager: BleManager, viewModel: ViewModel) {
             }
             DropdownMenu(
                 expanded = expanded,
-                onDismissRequest = { expanded = false }
+                onDismissRequest = { expanded = false },
+                modifier = Modifier
+                    .width(400.dp)
             ) {
-                devices.forEach { item ->
+                bleManager.devices.forEach { item ->
                     DropdownMenuItem(
                         text = { Text(item.deviceName) },
                         onClick = {
@@ -70,6 +73,9 @@ fun ConnectScreen(bleManager: BleManager, viewModel: ViewModel) {
                     )
                 }
             }
+        }
+
+
 
         Spacer(modifier = Modifier.height(64.dp))
 

app/src/main/java/com/example/smart_watch_android/viewModel.kt

@@ -1,16 +0,0 @@
-package com.example.smart_watch_android
-
-import androidx.lifecycle.ViewModel
-import kotlinx.coroutines.flow.MutableStateFlow
-import kotlinx.coroutines.flow.StateFlow
-import kotlinx.coroutines.flow.asStateFlow
-
-class ViewModel : ViewModel() {
-    var isConnected = MutableStateFlow(false)
-
-    val isDeviceConnected: StateFlow<Boolean> = isConnected.asStateFlow()
-
-    fun setDeviceConection(status: Boolean) {
-        isConnected.value = status
-    }
-}