Handle request bluetooth permission

2026-05-25 10:18:56 +07:00
parent 66fe3be32f
commit 31ea6be8cd
14 changed files with 426 additions and 9 deletions
@@ -1,6 +1,12 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android">
    <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.BLUETOOTH" />
+    <uses-permission android:name="android.permission.BLUETOOTH_ADMIN" />
+    <uses-permission android:name="android.permission.BLUETOOTH_SCAN" />
+    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
+    <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
+    <uses-permission android:name="android.permission.BLUETOOTH_CONNECT" />
    <!-- Allow access http: android:usesCleartextTraffic="true" -->
    <application
        android:name=".MyApplication"
@@ -6,8 +6,6 @@ import androidx.activity.compose.setContent
 import androidx.activity.enableEdgeToEdge
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.tooling.preview.Preview
-import com.digitoolsolutions.app.torquevaultkmp.di.initKoin
-import org.koin.android.ext.koin.androidContext

 class MainActivity : ComponentActivity() {
    override fun onCreate(savedInstanceState: Bundle?) {
@@ -5,11 +5,14 @@ import app.cash.sqldelight.driver.android.AndroidSqliteDriver
 import com.digitoolsolutions.app.torquevaultkmp.AppStoragePlatform
 import com.digitoolsolutions.app.torquevaultkmp.data.storage.AppStorage
 import com.digitoolsolutions.app.torquevaultkmp.data.storage.db.AppDatabase
+import com.digitoolsolutions.app.torquevaultkmp.utils.AndroidBluetoothManager
+import com.digitoolsolutions.app.torquevaultkmp.utils.BluetoothManager
 import org.koin.android.ext.koin.androidContext
 import org.koin.dsl.module

 actual val platformModule = module {
    single<AppStorage> { AppStoragePlatform(androidContext()) }
+    single<BluetoothManager> { AndroidBluetoothManager(androidContext()) }
    single<SqlDriver> {
        AndroidSqliteDriver(
            schema = AppDatabase.Schema,
@@ -0,0 +1,93 @@
+package com.digitoolsolutions.app.torquevaultkmp.utils
+
+import android.Manifest
+import android.bluetooth.BluetoothAdapter
+import android.bluetooth.BluetoothManager as AndroidBluetoothManager
+import android.content.BroadcastReceiver
+import android.content.Context
+import android.content.Intent
+import android.content.IntentFilter
+import android.content.pm.PackageManager
+import android.net.Uri
+import android.os.Build
+import android.provider.Settings
+import androidx.core.content.ContextCompat
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.asStateFlow
+
+class AndroidBluetoothManager(private val context: Context) : BluetoothManager {
+    private val bluetoothManager = context.getSystemService(Context.BLUETOOTH_SERVICE) as AndroidBluetoothManager
+    private val bluetoothAdapter: BluetoothAdapter? = bluetoothManager.adapter
+
+    private val _isBluetoothEnabled = MutableStateFlow(false)
+    override val isBluetoothEnabled: StateFlow<Boolean> = _isBluetoothEnabled.asStateFlow()
+
+    private val _hasBluetoothPermission = MutableStateFlow(false)
+    override val hasBluetoothPermission: StateFlow<Boolean> = _hasBluetoothPermission.asStateFlow()
+
+    private val receiver = object : BroadcastReceiver() {
+        override fun onReceive(context: Context?, intent: Intent?) {
+            if (intent?.action == BluetoothAdapter.ACTION_STATE_CHANGED) {
+                checkBluetoothState()
+            }
+        }
+    }
+
+    init {
+        checkBluetoothState()
+        checkBluetoothPermission()
+        context.registerReceiver(receiver, IntentFilter(BluetoothAdapter.ACTION_STATE_CHANGED))
+    }
+
+    override fun checkBluetoothState() {
+        try {
+            _isBluetoothEnabled.value = bluetoothAdapter?.isEnabled == true
+        } catch (e: SecurityException) {
+            _isBluetoothEnabled.value = false
+        }
+    }
+
+    override fun checkBluetoothPermission() {
+        val permissions = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
+            listOf(
+                Manifest.permission.BLUETOOTH_SCAN,
+                Manifest.permission.BLUETOOTH_CONNECT
+            )
+        } else {
+            listOf(
+                Manifest.permission.BLUETOOTH,
+                Manifest.permission.ACCESS_FINE_LOCATION
+            )
+        }
+
+        _hasBluetoothPermission.value = permissions.all {
+            ContextCompat.checkSelfPermission(context, it) == PackageManager.PERMISSION_GRANTED
+        }
+    }
+
+    override fun openSettings() {
+        val intent = Intent(Settings.ACTION_APPLICATION_DETAILS_SETTINGS).apply {
+            data = Uri.fromParts("package", context.packageName, null)
+            addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
+        }
+        context.startActivity(intent)
+    }
+
+    override fun enableBluetooth() {
+        if (bluetoothAdapter?.isEnabled == false) {
+            val intent = Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE).apply {
+                addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
+            }
+            context.startActivity(intent)
+        }
+    }
+}
+
+actual fun createBluetoothManager(): BluetoothManager {
+    // This will be handled by Koin in a real app, 
+    // but for the sake of expect/actual fulfilling the requirement:
+    // We'll need to get the context from somewhere if we don't use Koin.
+    // However, the user has Koin, so we should use it.
+    throw UnsupportedOperationException("Use Koin to inject BluetoothManager")
+}
@@ -0,0 +1,36 @@
+package com.digitoolsolutions.app.torquevaultkmp.utils
+
+import android.Manifest
+import android.os.Build
+import androidx.activity.compose.rememberLauncherForActivityResult
+import androidx.activity.result.contract.ActivityResultContracts
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+
+@Composable
+actual fun HandlePermissionRequest(
+    onPermissionResult: (Boolean) -> Unit
+) {
+    val permissions = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
+        arrayOf(
+            Manifest.permission.BLUETOOTH_SCAN,
+            Manifest.permission.BLUETOOTH_CONNECT
+        )
+    } else {
+        arrayOf(
+            Manifest.permission.BLUETOOTH,
+            Manifest.permission.ACCESS_FINE_LOCATION
+        )
+    }
+
+    val launcher = rememberLauncherForActivityResult(
+        ActivityResultContracts.RequestMultiplePermissions()
+    ) { result ->
+        val allGranted = result.values.all { it }
+        onPermissionResult(allGranted)
+    }
+
+    LaunchedEffect(Unit) {
+        launcher.launch(permissions)
+    }
+}
@@ -4,6 +4,7 @@ import androidx.compose.foundation.isSystemInDarkTheme
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.tooling.preview.Preview
 import com.digitoolsolutions.app.torquevaultkmp.screens.MainScreen
+import com.digitoolsolutions.app.torquevaultkmp.screens.bluetooth.BluetoothRequirementWrapper
 import com.digitoolsolutions.app.torquevaultkmp.theme.TorqueVaultTheme
 import org.koin.compose.viewmodel.koinViewModel

@@ -16,10 +17,12 @@ fun App() {
    val isLoggedIn = viewModel.isLoggedIn()

    TorqueVaultTheme(darkTheme = isDarkTheme) {
-        MainScreen(
-            isDarkTheme = isDarkTheme,
-            onThemeToggle = { viewModel.toggleTheme(it) },
-            isLoggedIn = isLoggedIn
-        )
+        BluetoothRequirementWrapper {
+            MainScreen(
+                isDarkTheme = isDarkTheme,
+                onThemeToggle = { viewModel.toggleTheme(it) },
+                isLoggedIn = isLoggedIn
+            )
+        }
    }
 }
@@ -19,6 +19,7 @@ import androidx.navigation.compose.rememberNavController
 import com.digitoolsolutions.app.torquevaultkmp.AppViewModel
 import com.digitoolsolutions.app.torquevaultkmp.screens.auth.AuthDestination
 import com.digitoolsolutions.app.torquevaultkmp.screens.auth.LoginScreen
+import com.digitoolsolutions.app.torquevaultkmp.screens.bluetooth.BluetoothRequirementWrapper
 import com.digitoolsolutions.app.torquevaultkmp.screens.bonded.BondedDestination
 import com.digitoolsolutions.app.torquevaultkmp.screens.bonded.BondedScreen
 import com.digitoolsolutions.app.torquevaultkmp.screens.home.HomeDestination
@@ -109,8 +110,16 @@ fun MainScreen(
            modifier = Modifier.padding(innerPadding).fillMaxSize()
        ) {
            composable(AuthDestination.route) { LoginScreen(navController) }
-            composable(HomeDestination.route) { HomeScreen(navController) }
-            composable(BondedDestination.route) { BondedScreen(navController) }
+            composable(HomeDestination.route) {
+                BluetoothRequirementWrapper {
+                    HomeScreen(navController)
+                }
+            }
+            composable(BondedDestination.route) {
+                BluetoothRequirementWrapper {
+                    BondedScreen(navController)
+                }
+            }
            composable(LogDestination.route) { LogScreen(navController) }
            composable(SettingDestination.route) {
                SettingScreen(navController, isDarkTheme, onThemeToggle)
@@ -0,0 +1,125 @@
+package com.digitoolsolutions.app.torquevaultkmp.screens.bluetooth
+
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.size
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.BluetoothDisabled
+import androidx.compose.material.icons.filled.Security
+import androidx.compose.material3.Button
+import androidx.compose.material3.Icon
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Text
+import androidx.compose.material3.TextButton
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.collectAsState
+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.text.style.TextAlign
+import androidx.compose.ui.unit.dp
+import androidx.lifecycle.compose.LifecycleResumeEffect
+import com.digitoolsolutions.app.torquevaultkmp.utils.BluetoothManager
+import com.digitoolsolutions.app.torquevaultkmp.utils.HandlePermissionRequest
+import org.koin.compose.koinInject
+
+@Composable
+fun BluetoothRequirementWrapper(
+    content: @Composable () -> Unit
+) {
+    val bluetoothManager: BluetoothManager = koinInject()
+    val isEnabled by bluetoothManager.isBluetoothEnabled.collectAsState()
+    val hasPermission by bluetoothManager.hasBluetoothPermission.collectAsState()
+    
+    var showPermissionRequest by remember { mutableStateOf(false) }
+
+    if (showPermissionRequest) {
+        HandlePermissionRequest { _ ->
+            showPermissionRequest = false
+            bluetoothManager.checkBluetoothPermission()
+        }
+    }
+
+    LifecycleResumeEffect(Unit) {
+        bluetoothManager.checkBluetoothState()
+        bluetoothManager.checkBluetoothPermission()
+        onPauseOrDispose { }
+    }
+
+    LaunchedEffect(isEnabled, hasPermission) {
+        if (!isEnabled && hasPermission) {
+            bluetoothManager.enableBluetooth()
+        }
+    }
+
+    if (isEnabled && hasPermission) {
+        content()
+    } else {
+        BluetoothRequestScreen(
+            isEnabled = isEnabled,
+            hasPermission = hasPermission,
+            onEnableBluetooth = { bluetoothManager.enableBluetooth() },
+            onRequestPermission = { 
+                bluetoothManager.enableBluetooth()
+                showPermissionRequest = true 
+            },
+            onOpenSettings = { bluetoothManager.openSettings() }
+        )
+    }
+}
+
+@Composable
+fun BluetoothRequestScreen(
+    isEnabled: Boolean,
+    hasPermission: Boolean,
+    onEnableBluetooth: () -> Unit,
+    onRequestPermission: () -> Unit,
+    onOpenSettings: () -> Unit
+) {
+    Column(
+        modifier = Modifier.fillMaxSize().padding(24.dp),
+        verticalArrangement = Arrangement.Center,
+        horizontalAlignment = Alignment.CenterHorizontally
+    ) {
+        Icon(
+            imageVector = if (!hasPermission) Icons.Default.Security else Icons.Default.BluetoothDisabled,
+            contentDescription = null,
+            modifier = Modifier.size(80.dp),
+            tint = MaterialTheme.colorScheme.primary
+        )
+        Spacer(modifier = Modifier.height(24.dp))
+        Text(
+            text = if (!hasPermission) "Bluetooth Permission Required" else "Bluetooth is Disabled",
+            style = MaterialTheme.typography.headlineSmall,
+            textAlign = TextAlign.Center
+        )
+        Spacer(modifier = Modifier.height(16.dp))
+        Text(
+            text = if (!hasPermission)
+                "This app needs Bluetooth permissions to connect to your devices. Please grant permission."
+                else "Please enable Bluetooth to use this app's features.",
+            style = MaterialTheme.typography.bodyMedium,
+            textAlign = TextAlign.Center,
+            color = MaterialTheme.colorScheme.onSurfaceVariant
+        )
+        Spacer(modifier = Modifier.height(32.dp))
+
+        if (!hasPermission) {
+            Button(onClick = onRequestPermission) {
+                Text("Request Permission")
+            }
+        } else if (!isEnabled) {
+            Button(onClick = onEnableBluetooth) {
+                Text("Enable Bluetooth")
+            }
+        }
+    }
+}
@@ -0,0 +1,15 @@
+package com.digitoolsolutions.app.torquevaultkmp.utils
+
+import kotlinx.coroutines.flow.StateFlow
+
+interface BluetoothManager {
+    val isBluetoothEnabled: StateFlow<Boolean>
+    val hasBluetoothPermission: StateFlow<Boolean>
+
+    fun checkBluetoothState()
+    fun checkBluetoothPermission()
+    fun openSettings()
+    fun enableBluetooth()
+}
+
+expect fun createBluetoothManager(): BluetoothManager
@@ -0,0 +1,8 @@
+package com.digitoolsolutions.app.torquevaultkmp.utils
+
+import androidx.compose.runtime.Composable
+
+@Composable
+expect fun HandlePermissionRequest(
+    onPermissionResult: (Boolean) -> Unit
+)
@@ -5,10 +5,13 @@ import app.cash.sqldelight.driver.native.NativeSqliteDriver
 import com.digitoolsolutions.app.torquevaultkmp.AppStoragePlatform
 import com.digitoolsolutions.app.torquevaultkmp.data.storage.AppStorage
 import com.digitoolsolutions.app.torquevaultkmp.data.storage.db.AppDatabase
+import com.digitoolsolutions.app.torquevaultkmp.utils.BluetoothManager
+import com.digitoolsolutions.app.torquevaultkmp.utils.IosBluetoothManager
 import org.koin.dsl.module

 actual val platformModule = module {
    single<AppStorage> { AppStoragePlatform() }
+    single<BluetoothManager> { IosBluetoothManager() }
    single<SqlDriver> {
        NativeSqliteDriver(
            schema = AppDatabase.Schema,
@@ -0,0 +1,90 @@
+package com.digitoolsolutions.app.torquevaultkmp.utils
+
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.asStateFlow
+import platform.CoreBluetooth.*
+import platform.Foundation.NSURL
+import platform.UIKit.*
+import platform.darwin.NSObject
+import platform.darwin.dispatch_async
+import platform.darwin.dispatch_get_main_queue
+
+class IosBluetoothManager : BluetoothManager {
+    private val _isBluetoothEnabled = MutableStateFlow(false)
+    override val isBluetoothEnabled: StateFlow<Boolean> = _isBluetoothEnabled.asStateFlow()
+
+    private val _hasBluetoothPermission = MutableStateFlow(false)
+    override val hasBluetoothPermission: StateFlow<Boolean> = _hasBluetoothPermission.asStateFlow()
+
+    // Strong reference to delegate to prevent garbage collection
+    private val centralManagerDelegate = object : NSObject(), CBCentralManagerDelegateProtocol {
+        override fun centralManagerDidUpdateState(central: CBCentralManager) {
+            _isBluetoothEnabled.value = central.state == CBCentralManagerStatePoweredOn
+            checkBluetoothPermission()
+        }
+    }
+
+    private val centralManager: CBCentralManager by lazy {
+        val options = mapOf<Any?, Any?>(CBCentralManagerOptionShowPowerAlertKey to true)
+        CBCentralManager(delegate = centralManagerDelegate, queue = null, options = options)
+    }
+
+    init {
+        // Trigger lazy initialization
+        checkBluetoothState()
+        checkBluetoothPermission()
+    }
+
+    override fun checkBluetoothState() {
+        _isBluetoothEnabled.value = centralManager.state == CBCentralManagerStatePoweredOn
+    }
+
+    override fun checkBluetoothPermission() {
+        val auth = CBManager.authorization
+        _hasBluetoothPermission.value = auth == CBManagerAuthorizationAllowedAlways
+    }
+
+    override fun openSettings() {
+        val url = NSURL.URLWithString(UIApplicationOpenSettingsURLString)
+        if (url != null) {
+            dispatch_async(dispatch_get_main_queue()) {
+                if (UIApplication.sharedApplication.canOpenURL(url)) {
+                    UIApplication.sharedApplication.openURL(url, mapOf<Any?, Any?>(), null)
+                }
+            }
+        }
+    }
+
+    override fun enableBluetooth() {
+        val auth = CBManager.authorization
+        if (auth == CBManagerAuthorizationDenied || auth == CBManagerAuthorizationRestricted) {
+            openSettings()
+            return
+        }
+
+        val state = centralManager.state
+        if (state == CBCentralManagerStatePoweredOff) {
+            // Attempt to open Bluetooth settings directly via App-Prefs (best effort)
+            val bluetoothUrl = NSURL.URLWithString("App-Prefs:root=Bluetooth")
+            dispatch_async(dispatch_get_main_queue()) {
+                val app = UIApplication.sharedApplication
+                if (bluetoothUrl != null && app.canOpenURL(bluetoothUrl)) {
+                    app.openURL(bluetoothUrl, mapOf<Any?, Any?>(), null)
+                } else {
+                    // Fallback: Trigger the system's "Bluetooth is Off" power alert
+                    // This alert has a "Settings" button that goes to the right place.
+                    centralManager.scanForPeripheralsWithServices(null, null)
+                    centralManager.stopScan()
+                }
+            }
+        } else if (auth == CBManagerAuthorizationNotDetermined) {
+            // Accessing the state or scanning will trigger the system prompt
+            centralManager.scanForPeripheralsWithServices(null, null)
+            centralManager.stopScan()
+            checkBluetoothState()
+        }
+    }
+}
+
+actual fun createBluetoothManager(): BluetoothManager = IosBluetoothManager()
@@ -0,0 +1,22 @@
+package com.digitoolsolutions.app.torquevaultkmp.utils
+
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import org.koin.compose.koinInject
+
+@Composable
+actual fun HandlePermissionRequest(
+    onPermissionResult: (Boolean) -> Unit
+) {
+    val bluetoothManager: BluetoothManager = koinInject()
+    
+    LaunchedEffect(Unit) {
+        // Trigger enableBluetooth which on iOS will touch the CBCentralManager 
+        // and show the permission prompt if it's currently "Not Determined"
+        bluetoothManager.enableBluetooth()
+        
+        // We call the result immediately, but the StateFlows in BluetoothManager 
+        // will update asynchronously via the CBCentralManagerDelegate
+        onPermissionResult(bluetoothManager.hasBluetoothPermission.value)
+    }
+}
@@ -18,5 +18,11 @@
            </dict>
        </dict>
    </dict>
+    <!--    Bluetooth permission-->
+    <key>NSBluetoothAlwaysUsageDescription</key>
+    <string>The app requires Bluetooth to connect and manage Torque devices.</string>
+    <key>NSBluetoothPeripheralUsageDescription</key>
+    <string>The app requires Bluetooth to connect and manage Torque devices.</string>
+
 </dict>
 </plist>