Fixed show_content bug. Buttons cancel and continue doesn't work.

app/build.gradle.kts

@@ -2,8 +2,17 @@ plugins {
     alias(libs.plugins.android.application)
     alias(libs.plugins.kotlin.android)
     alias(libs.plugins.kotlin.compose)
+    alias(libs.plugins.kotlin.serialization)
 }
 
+val localPropertiesFile = rootProject.file("local.properties")
+val nocobaseToken = localPropertiesFile.readLines()
+    .firstOrNull { it.startsWith("NOCOBASE_TOKEN=") }
+    ?.removePrefix("NOCOBASE_TOKEN=") ?: ""
+val nocobaseUrl = localPropertiesFile.readLines()
+    .firstOrNull { it.startsWith("NOCOBASE_URL=") }
+    ?.removePrefix("NOCOBASE_URL=") ?: ""
+
 android {
     namespace = "com.example.ichwillheim"
     compileSdk {
@@ -18,6 +27,9 @@ android {
         versionName = "1.0"
 
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+
+        buildConfigField("String", "NOCOBASE_TOKEN", "\"$nocobaseToken\"")
+        buildConfigField("String", "NOCOBASE_URL", "\"$nocobaseUrl\"")
     }
 
     buildTypes {
@@ -38,18 +50,27 @@ android {
     }
     buildFeatures {
         compose = true
+        buildConfig = true
     }
 }
 
 dependencies {
     implementation(libs.androidx.core.ktx)
     implementation(libs.androidx.lifecycle.runtime.ktx)
+    implementation(libs.androidx.lifecycle.runtime.compose)
     implementation(libs.androidx.activity.compose)
     implementation(platform(libs.androidx.compose.bom))
     implementation(libs.androidx.compose.ui)
     implementation(libs.androidx.compose.ui.graphics)
     implementation(libs.androidx.compose.ui.tooling.preview)
     implementation(libs.androidx.compose.material3)
+    implementation("androidx.compose.material:material-icons-extended")
+    implementation(libs.kotlinx.serialization.json)
+    implementation("androidx.savedstate:savedstate:1.4.0")
+    implementation("androidx.appcompat:appcompat:1.7.0")
+    implementation("io.ktor:ktor-client-android:2.3.12")
+    implementation("io.ktor:ktor-client-content-negotiation:2.3.12")
+    implementation("io.ktor:ktor-serialization-kotlinx-json:2.3.12")
     testImplementation(libs.junit)
     androidTestImplementation(libs.androidx.junit)
     androidTestImplementation(libs.androidx.espresso.core)

app/src/main/AndroidManifest.xml

@@ -2,6 +2,19 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools">
 
+    <uses-permission android:name="android.permission.INTERNET" />
+
+    <uses-feature android:name="android.hardware.telephony" android:required="false" />
+
+    <uses-permission android:name="android.permission.CALL_PHONE" />
+    <uses-permission android:name="android.permission.READ_PHONE_STATE" />
+    <uses-permission android:name="android.permission.MODIFY_AUDIO_SETTINGS" />
+    <uses-permission android:name="android.permission.ANSWER_PHONE_CALLS" />
+    <uses-permission android:name="android.permission.SYSTEM_ALERT_WINDOW" />
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE_SPECIAL_USE" />
+    <uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
+
     <application
         android:allowBackup="true"
         android:dataExtractionRules="@xml/data_extraction_rules"
@@ -20,8 +33,15 @@
                 <action android:name="android.intent.action.MAIN" />
 
                 <category android:name="android.intent.category.LAUNCHER" />
+                <category android:name="android.intent.category.HOME" />
+                <category android:name="android.intent.category.DEFAULT" />
             </intent-filter>
         </activity>
+
+        <service
+            android:name=".CallOverlayService"
+            android:foregroundServiceType="specialUse"
+            android:exported="false" />
     </application>
 
 </manifest>

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

@@ -1,36 +1,51 @@
 package com.example.ichwillheim
 
+import android.Manifest
+import android.annotation.SuppressLint
+import android.content.BroadcastReceiver
 import android.content.Context
 import android.content.Intent
+import android.content.IntentFilter
+import android.content.pm.PackageManager
+import android.media.AudioDeviceInfo
+import android.media.AudioManager
 import android.net.Uri
+import android.os.Build
 import android.os.Bundle
+import android.provider.MediaStore
+import android.provider.Settings
+import android.telephony.TelephonyManager
 import android.widget.Toast
-import androidx.activity.ComponentActivity
+import androidx.activity.compose.rememberLauncherForActivityResult
+import androidx.activity.result.contract.ActivityResultContracts
+import androidx.appcompat.app.AppCompatActivity
+import androidx.activity.compose.BackHandler
 import androidx.activity.compose.setContent
+import androidx.core.content.ContextCompat
 import androidx.activity.enableEdgeToEdge
-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.fillMaxWidth
-import androidx.compose.foundation.layout.height
 import androidx.compose.foundation.layout.padding
-import androidx.compose.material3.Button
-import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Scaffold
-import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.Immutable
-import androidx.compose.ui.Alignment
+import androidx.compose.runtime.DisposableEffect
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.rememberCoroutineScope
+import androidx.compose.runtime.rememberUpdatedState
+import androidx.compose.runtime.setValue
+import kotlinx.coroutines.launch
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.tooling.preview.Preview
-import androidx.compose.ui.unit.dp
-import androidx.compose.ui.unit.sp
-import com.example.ichwillheim.ui.theme.IchWillHeimTheme
 import androidx.core.net.toUri
+import androidx.lifecycle.Lifecycle
+import androidx.lifecycle.LifecycleEventObserver
+import androidx.lifecycle.compose.LocalLifecycleOwner
+import com.example.ichwillheim.ui.theme.IchWillHeimTheme
 
-class MainActivity : ComponentActivity() {
+class MainActivity : AppCompatActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         enableEdgeToEdge()
@@ -47,59 +62,217 @@ class MainActivity : ComponentActivity() {
 @Composable
 fun LauncherScreen(modifier: Modifier = Modifier) {
     val context = LocalContext.current
-    val favorites = listOf(
-        FavoriteContact(
-            name = "Sandro",
-            phone = "+1-555-0100"
-        ),
-        FavoriteContact(
-            name = "Paulo",
-            phone = "+1-555-0111"
-        )
-    )
+    val scope = rememberCoroutineScope()
 
-    val apps = listOf(
-        AppEntry(
-            label = "Messages",
-            action = { openMessages(context) }
-        )
-    )
+    var settings by remember { mutableStateOf(SettingsRepository.load(context)) }
 
-    Column(
-        modifier = modifier
-            .fillMaxSize()
-            .padding(24.dp),
-        verticalArrangement = Arrangement.Center,
-        horizontalAlignment = Alignment.CenterHorizontally
-    ) {
-        Text(text = "Favorites", style = MaterialTheme.typography.headlineSmall)
-        Spacer(modifier = Modifier.height(16.dp))
-        favorites.forEach { favorite ->
-            Button(
-                onClick = { openDialerNumber(context, favorite.phone) },
-                modifier = Modifier
-                    .fillMaxWidth()
-                    .height(96.dp)
-            ) {
-                Text(text = favorite.name, fontSize = 24.sp)
-            }
-            Spacer(modifier = Modifier.height(16.dp))
-        }
-        Spacer(modifier = Modifier.height(8.dp))
-        Text(text = "Apps", style = MaterialTheme.typography.headlineSmall)
-        Spacer(modifier = Modifier.height(16.dp))
-        apps.forEach { app ->
-            Button(
-                onClick = { app.action() },
-                modifier = Modifier
-                    .fillMaxWidth()
-                    .height(96.dp)
-            ) {
-                Text(text = app.label, fontSize = 24.sp)
-            }
-            Spacer(modifier = Modifier.height(16.dp))
+    // Request CALL_PHONE permission at startup if not already granted.
+    // CALL_PHONE is a "dangerous" permission — having it in the manifest is not enough on
+    // Android 6+; the user must explicitly grant it the first time.
+    val callPermissionLauncher = rememberLauncherForActivityResult(
+        ActivityResultContracts.RequestPermission()
+    ) { /* result is ignored — if denied, performCall will show an error at call time */ }
+    LaunchedEffect(Unit) {
+        if (ContextCompat.checkSelfPermission(context, Manifest.permission.CALL_PHONE)
+            != PackageManager.PERMISSION_GRANTED
+        ) {
+            callPermissionLauncher.launch(Manifest.permission.CALL_PHONE)
         }
     }
+
+    // Navigation flags — only one is true at a time.
+    var showPin by remember { mutableStateOf(false) }
+    var showCaregiverMenu by remember { mutableStateOf(false) }
+    var showLauncherSettings by remember { mutableStateOf(false) }
+    var activeRun by remember { mutableStateOf<WorkflowRunState?>(null) }
+    var stepStartTime by remember { mutableStateOf(System.currentTimeMillis()) }
+    LaunchedEffect(activeRun?.currentStep?.id) { stepStartTime = System.currentTimeMillis() }
+
+    // Fetch remote config on every resume so the home screen stays up-to-date when
+    // the caregiver adds or changes workflows without restarting the app.
+    // Also resets sub-screen navigation so the patient always returns to the home screen.
+    val settingsRef = rememberUpdatedState(settings)
+    val lifecycleOwner = LocalLifecycleOwner.current
+    DisposableEffect(lifecycleOwner) {
+        val observer = LifecycleEventObserver { _, event ->
+            if (event == Lifecycle.Event.ON_RESUME) {
+                showPin = false
+                showCaregiverMenu = false
+                showLauncherSettings = false
+                activeRun = null
+                if (settingsRef.value.deviceId.isNotBlank()) {
+                    scope.launch {
+                        val remote = RemoteConfigRepository.fetchWorkflows(settingsRef.value.deviceId)
+                        if (remote != null) {
+                            val updated = settingsRef.value.copy(workflows = remote)
+                            SettingsRepository.save(context, updated)
+                            settings = updated
+                        }
+                    }
+                }
+            }
+        }
+        lifecycleOwner.lifecycle.addObserver(observer)
+        onDispose { lifecycleOwner.lifecycle.removeObserver(observer) }
+    }
+
+    val anySubScreenOpen = showPin || showCaregiverMenu || showLauncherSettings || activeRun != null
+    BackHandler(enabled = !anySubScreenOpen) { /* swallow back on main screen */ }
+
+    if (activeRun != null) {
+        val run = activeRun!!
+        android.util.Log.d("WorkflowEngine", "Step: ${run.currentStep?.functionKey}, finished: ${run.isFinished}")
+        when (run.currentStep?.functionKey) {
+            "show_call_confirm" -> WorkflowConfirmScreen(
+                title = run.workflow.name,
+                onConfirm = {
+                    val completedStep = run.currentStep
+                    val duration = (System.currentTimeMillis() - stepStartTime) / 1000.0
+                    val next = run.advance("confirmed")
+                    activeRun = next.takeIf { !next.isFinished }
+                    if (completedStep != null && settings.deviceId.isNotBlank()) {
+                        scope.launch {
+                            RemoteConfigRepository.logEvent(settings.deviceId, run.workflow.name, completedStep.functionKey, "confirmed", duration)
+                        }
+                    }
+                },
+                onCancel = {
+                    val completedStep = run.currentStep
+                    val duration = (System.currentTimeMillis() - stepStartTime) / 1000.0
+                    activeRun = null
+                    if (completedStep != null && settings.deviceId.isNotBlank()) {
+                        scope.launch {
+                            RemoteConfigRepository.logEvent(settings.deviceId, run.workflow.name, completedStep.functionKey, "cancelled", duration)
+                        }
+                    }
+                }
+            )
+            "show_speaker_choice" -> WorkflowSpeakerChoiceScreen(
+                onChoice = { choice ->
+                    val completedStep = run.currentStep
+                    val duration = (System.currentTimeMillis() - stepStartTime) / 1000.0
+                    val next = run.advance(choice)
+                    activeRun = next.takeIf { !next.isFinished }
+                    if (completedStep != null && settings.deviceId.isNotBlank()) {
+                        scope.launch {
+                            RemoteConfigRepository.logEvent(settings.deviceId, run.workflow.name, completedStep.functionKey, choice, duration)
+                        }
+                    }
+                },
+                onCancel = {
+                    val completedStep = run.currentStep
+                    val duration = (System.currentTimeMillis() - stepStartTime) / 1000.0
+                    activeRun = null
+                    if (completedStep != null && settings.deviceId.isNotBlank()) {
+                        scope.launch {
+                            RemoteConfigRepository.logEvent(settings.deviceId, run.workflow.name, completedStep.functionKey, "cancelled", duration)
+                        }
+                    }
+                }
+            )
+            "call_contact" -> LaunchedEffect(run.currentStep!!.id) {
+                val completedStep = run.currentStep!!
+                val duration = (System.currentTimeMillis() - stepStartTime) / 1000.0
+                val phone = run.param("phone") ?: ""
+                val speakerphone = run.param("speakerphone")?.toBooleanStrictOrNull()
+                    ?: (run.lastResultCode == "speakerphone")
+                android.util.Log.d("WorkflowEngine", "call_contact: phone='$phone' speakerphone=$speakerphone")
+                if (phone.isBlank()) {
+                    Toast.makeText(context, "No phone number set for this step. Add a contact in the web app.", Toast.LENGTH_LONG).show()
+                } else {
+                    performCall(context, phone, speakerphone, showOverlay = false)
+                }
+                val next = run.advance(null)
+                activeRun = next.takeIf { !next.isFinished }
+                if (settings.deviceId.isNotBlank()) {
+                    RemoteConfigRepository.logEvent(settings.deviceId, run.workflow.name, completedStep.functionKey, null, duration)
+                }
+            }
+            "show_content" -> ContentScreen(
+                blocks = run.currentStep?.contentBlocks ?: emptyList(),
+                onAdvance = { resultCode ->
+                    val completedStep = run.currentStep
+                    val duration = (System.currentTimeMillis() - stepStartTime) / 1000.0
+                    val next = run.advance(resultCode)
+                    activeRun = next.takeIf { !next.isFinished }
+                    if (completedStep != null && settings.deviceId.isNotBlank()) {
+                        scope.launch {
+                            RemoteConfigRepository.logEvent(
+                                settings.deviceId, run.workflow.name,
+                                completedStep.functionKey, resultCode, duration
+                            )
+                        }
+                    }
+                },
+                onCancel = {
+                    val completedStep = run.currentStep
+                    val duration = (System.currentTimeMillis() - stepStartTime) / 1000.0
+                    activeRun = null
+                    if (completedStep != null && settings.deviceId.isNotBlank()) {
+                        scope.launch {
+                            RemoteConfigRepository.logEvent(
+                                settings.deviceId, run.workflow.name,
+                                completedStep.functionKey, "cancelled", duration
+                            )
+                        }
+                    }
+                }
+            )
+            else -> LaunchedEffect(run.currentStep?.id) {
+                val completedStep = run.currentStep
+                val duration = (System.currentTimeMillis() - stepStartTime) / 1000.0
+                val next = run.advance(null)
+                activeRun = next.takeIf { !next.isFinished }
+                if (completedStep != null && settings.deviceId.isNotBlank()) {
+                    RemoteConfigRepository.logEvent(settings.deviceId, run.workflow.name, completedStep.functionKey, null, duration)
+                }
+            }
+        }
+        return
+    }
+
+    if (showLauncherSettings) {
+        LauncherSettingsScreen(
+            settings = settings,
+            onSettingsChanged = { updated ->
+                settings = updated
+                SettingsRepository.save(context, updated)
+            },
+            onClose = { showLauncherSettings = false }
+        )
+        return
+    }
+
+    if (showCaregiverMenu) {
+        SettingsMenuScreen(
+            onLauncherSettings = { showLauncherSettings = true },
+            onPhoneSettings = {
+                showCaregiverMenu = false
+                context.startActivity(Intent(Settings.ACTION_SETTINGS))
+            },
+            onClose = { showCaregiverMenu = false }
+        )
+        return
+    }
+
+    if (showPin) {
+        PinScreen(
+            onCorrectPin = {
+                showPin = false
+                showCaregiverMenu = true
+            },
+            onCancel = { showPin = false }
+        )
+        return
+    }
+
+    HomeScreen(
+        onOpenSettings = { showPin = true },
+        workflows = settings.workflows,
+        gridSize = settings.gridSize,
+        onStartWorkflow = { workflow -> activeRun = WorkflowRunState.start(workflow).takeIf { !it.isFinished } },
+        modifier = modifier
+    )
 }
 
 @Preview(showBackground = true)
@@ -110,30 +283,23 @@ fun LauncherPreview() {
     }
 }
 
-@Immutable
-data class AppEntry(
-    val label: String,
-    val action: () -> Unit
-)
-
-@Immutable
-data class FavoriteContact(
-    val name: String,
-    val phone: String
-)
-
-private fun openDialerNumber(context: Context, phone: String) {
+fun openDialerNumber(context: Context, phone: String) {
     val intent = Intent(Intent.ACTION_DIAL).apply {
         data = "tel:${Uri.encode(phone)}".toUri()
     }
-    startIntentOrToast(context, intent, "Phone app not found")
+    startIntentOrToast(context, intent, context.getString(R.string.error_phone_app_not_found))
 }
 
 private fun openMessages(context: Context) {
     val intent = Intent(Intent.ACTION_SENDTO).apply {
         data = "smsto:".toUri()
     }
-    startIntentOrToast(context, intent, "Messages app not found")
+    startIntentOrToast(context, intent, context.getString(R.string.error_messages_app_not_found))
+}
+
+private fun openCamera(context: Context) {
+    val intent = Intent(MediaStore.ACTION_IMAGE_CAPTURE)
+    startIntentOrToast(context, intent, context.getString(R.string.error_camera_app_not_found))
 }
 
 private fun startIntentOrToast(context: Context, intent: Intent, error: String) {
@@ -143,3 +309,58 @@ private fun startIntentOrToast(context: Context, intent: Intent, error: String)
         Toast.makeText(context, error, Toast.LENGTH_SHORT).show()
     }
 }
+
+fun performCall(context: Context, phone: String, speakerphone: Boolean, showOverlay: Boolean) {
+    val willShowOverlay = showOverlay &&
+            Build.VERSION.SDK_INT >= Build.VERSION_CODES.O &&
+            Settings.canDrawOverlays(context)
+
+    // Only use the standalone BroadcastReceiver when the overlay isn't handling speakerphone
+    if (speakerphone && !willShowOverlay) enableSpeakerphoneOnAnswer(context)
+
+    if (willShowOverlay) {
+        val serviceIntent = Intent(context, CallOverlayService::class.java).apply {
+            putExtra(EXTRA_SPEAKERPHONE, speakerphone)
+        }
+        context.startForegroundService(serviceIntent)
+    }
+
+    val callIntent = Intent(Intent.ACTION_CALL).apply {
+        data = Uri.parse("tel:$phone")
+    }
+    try {
+        context.startActivity(callIntent)
+    } catch (_: Exception) {
+        Toast.makeText(context, context.getString(R.string.error_phone_app_not_found), Toast.LENGTH_SHORT).show()
+    }
+}
+
+@SuppressLint("UnspecifiedRegisterReceiverFlag")
+private fun enableSpeakerphoneOnAnswer(context: Context) {
+    val receiver = object : BroadcastReceiver() {
+        override fun onReceive(ctx: Context, intent: Intent) {
+            if (intent.getStringExtra(TelephonyManager.EXTRA_STATE)
+                    == TelephonyManager.EXTRA_STATE_OFFHOOK) {
+                setSpeakerphoneOn(ctx.getSystemService(Context.AUDIO_SERVICE) as AudioManager)
+                ctx.unregisterReceiver(this)
+            }
+        }
+    }
+    val filter = IntentFilter(TelephonyManager.ACTION_PHONE_STATE_CHANGED)
+    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
+        context.registerReceiver(receiver, filter, Context.RECEIVER_NOT_EXPORTED)
+    } else {
+        context.registerReceiver(receiver, filter)
+    }
+}
+
+private fun setSpeakerphoneOn(audioManager: AudioManager) {
+    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
+        val speaker = audioManager.availableCommunicationDevices
+            .firstOrNull { it.type == AudioDeviceInfo.TYPE_BUILTIN_SPEAKER }
+        if (speaker != null) audioManager.setCommunicationDevice(speaker)
+    } else {
+        @Suppress("DEPRECATION")
+        audioManager.isSpeakerphoneOn = true
+    }
+}

app/src/main/java/com/example/ichwillheim/ui/theme/Color.kt

@@ -2,10 +2,9 @@ package com.example.ichwillheim.ui.theme
 
 import androidx.compose.ui.graphics.Color
 
-val Purple80 = Color(0xFFD0BCFF)
-val PurpleGrey80 = Color(0xFFCCC2DC)
-val Pink80 = Color(0xFFEFB8C8)
-
-val Purple40 = Color(0xFF6650a4)
-val PurpleGrey40 = Color(0xFF625b71)
-val Pink40 = Color(0xFF7D5260)
+val PeachLight   = Color(0xFFFFF6E5)
+val SageGreen    = Color(0xFFA6CDB2)
+val WarmOrange   = Color(0xFFFCAB7E)
+val DarkWarm     = Color(0xFF2D2D2D)
+val PeachMedium  = Color(0xFFE8D4BE)
+val PeachSurface = Color(0xFFFEF3E8)

app/src/main/java/com/example/ichwillheim/ui/theme/Theme.kt

@@ -1,58 +1,34 @@
 package com.example.ichwillheim.ui.theme
 
-import android.app.Activity
-import android.os.Build
-import androidx.compose.foundation.isSystemInDarkTheme
 import androidx.compose.material3.MaterialTheme
-import androidx.compose.material3.darkColorScheme
-import androidx.compose.material3.dynamicDarkColorScheme
-import androidx.compose.material3.dynamicLightColorScheme
 import androidx.compose.material3.lightColorScheme
 import androidx.compose.runtime.Composable
-import androidx.compose.ui.platform.LocalContext
 
-private val DarkColorScheme = darkColorScheme(
-    primary = Purple80,
-    secondary = PurpleGrey80,
-    tertiary = Pink80
-)
-
-private val LightColorScheme = lightColorScheme(
-    primary = Purple40,
-    secondary = PurpleGrey40,
-    tertiary = Pink40
-
-    /* Other default colors to override
-    background = Color(0xFFFFFBFE),
-    surface = Color(0xFFFFFBFE),
-    onPrimary = Color.White,
-    onSecondary = Color.White,
-    onTertiary = Color.White,
-    onBackground = Color(0xFF1C1B1F),
-    onSurface = Color(0xFF1C1B1F),
-    */
+private val ColorScheme = lightColorScheme(
+    primary                = SageGreen,
+    onPrimary              = DarkWarm,
+    primaryContainer       = PeachLight,
+    onPrimaryContainer     = DarkWarm,
+    secondary              = WarmOrange,
+    onSecondary            = DarkWarm,
+    secondaryContainer     = PeachLight,
+    onSecondaryContainer   = DarkWarm,
+    tertiary               = PeachLight,
+    onTertiary             = DarkWarm,
+    background             = PeachLight,
+    onBackground           = DarkWarm,
+    surface                = PeachLight,
+    onSurface              = DarkWarm,
+    surfaceVariant         = PeachSurface,
+    onSurfaceVariant       = DarkWarm,
+    outline                = PeachMedium,
 )
 
 @Composable
-fun IchWillHeimTheme(
-    darkTheme: Boolean = isSystemInDarkTheme(),
-    // Dynamic color is available on Android 12+
-    dynamicColor: Boolean = true,
-    content: @Composable () -> Unit
-) {
-    val colorScheme = when {
-        dynamicColor && Build.VERSION.SDK_INT >= Build.VERSION_CODES.S -> {
-            val context = LocalContext.current
-            if (darkTheme) dynamicDarkColorScheme(context) else dynamicLightColorScheme(context)
-        }
-
-        darkTheme -> DarkColorScheme
-        else -> LightColorScheme
-    }
-
+fun IchWillHeimTheme(content: @Composable () -> Unit) {
     MaterialTheme(
-        colorScheme = colorScheme,
+        colorScheme = ColorScheme,
         typography = Typography,
         content = content
     )
-}
+}

app/src/main/res/values/strings.xml

@@ -1,3 +1,116 @@
+<?xml version="1.0" encoding="utf-8"?>
 <resources>
     <string name="app_name">IchWillHeim</string>
-</resources>
+
+    <!-- Common actions -->
+    <string name="action_cancel">Cancel</string>
+    <string name="action_done">Done</string>
+    <string name="action_save">Save</string>
+    <string name="action_confirm">Confirm</string>
+    <string name="action_next">Next</string>
+    <string name="action_close">Close</string>
+    <string name="action_call">Call</string>
+    <string name="action_open_settings">Open settings</string>
+    <string name="action_add_contact">Add Contact</string>
+    <string name="action_add_guide">Add Guide</string>
+    <string name="action_add_step">Add Step</string>
+    <string name="action_edit_help_screen">Edit Help Screen</string>
+
+    <!-- Content descriptions -->
+    <string name="cd_previous">Previous</string>
+    <string name="cd_next">Next</string>
+    <string name="cd_back">Back</string>
+    <string name="cd_caregiver_settings">Settings access</string>
+    <string name="cd_edit_contact">Edit %1$s</string>
+    <string name="cd_delete_contact">Delete %1$s</string>
+    <string name="cd_edit_steps">Edit steps</string>
+    <string name="cd_delete_guide">Delete guide</string>
+    <string name="cd_edit_step">Edit step</string>
+    <string name="cd_delete_step">Delete step</string>
+
+    <!-- Home screen -->
+    <string name="home_new_messages">You have new messages</string>
+    <string name="btn_contacts">Contacts</string>
+    <string name="btn_messages">Messages</string>
+    <string name="btn_camera">Camera</string>
+    <string name="photo_placeholder">Photo %1$d</string>
+
+    <!-- Favorites screen -->
+    <string name="favorites_who_to_call">Who would you like to call?</string>
+
+    <!-- Caregiver menu -->
+    <string name="caregiver_menu_title">Settings Menu</string>
+    <string name="launcher_settings_title">Settings</string>
+    <string name="caregiver_menu_phone_settings">Phone Settings</string>
+
+    <!-- PIN screen -->
+    <string name="pin_screen_title">Settings Access</string>
+    <string name="field_pin">PIN</string>
+    <string name="pin_error_incorrect">Incorrect PIN</string>
+
+    <!-- Launcher settings -->
+    <string name="edit_contacts_title">Edit Contacts</string>
+    <string name="settings_language_section">Language</string>
+    <string name="settings_language_system">System default</string>
+    <string name="settings_device_section">Device</string>
+    <string name="settings_device_id">Device ID</string>
+    <string name="settings_call_flow_section">Call flow</string>
+    <string name="settings_call_flow_description">Choose which steps are shown before each call.</string>
+    <string name="settings_call_overlay_section">Call overlay</string>
+    <string name="settings_call_overlay_label">Overlay during call</string>
+    <string name="step_reminders_label">Reminders</string>
+    <string name="step_reminders_desc">Important information before the call</string>
+    <string name="step_help_offer_label">Help offer</string>
+    <string name="step_help_offer_desc">Ask if the patient needs help</string>
+    <string name="step_call_confirm_label">Call confirmation</string>
+    <string name="step_call_confirm_desc">Ask patient to confirm the call</string>
+    <string name="step_speaker_choice_label">Speaker choice</string>
+    <string name="step_speaker_choice_desc">Choose between normal or speakerphone call</string>
+
+    <!-- Overlay permission dialog -->
+    <string name="overlay_permission_title">Permission required</string>
+    <string name="overlay_permission_text">To show the call overlay, please grant the \"Display over other apps\" permission in settings.</string>
+
+    <!-- Contacts screen -->
+    <string name="dialog_add_contact">Add Contact</string>
+    <string name="dialog_edit_contact">Edit Contact</string>
+    <string name="field_name">Name</string>
+    <string name="field_phone">Phone number</string>
+    <string name="field_reminder_message">Reminder message (optional)</string>
+
+    <!-- Pre-call steps -->
+    <string name="reminders_step_title">Before calling %1$s</string>
+    <string name="call_confirm_title">Would you like to call %1$s?</string>
+    <string name="help_offer_no_guides">No help available.</string>
+    <string name="guide_no_steps">No steps available.</string>
+    <string name="guide_step_counter">%1$d / %2$d</string>
+
+    <!-- Help config screen -->
+    <string name="help_config_title">Help Screen</string>
+    <string name="field_title">Title</string>
+    <string name="field_subtitle">Subtitle (optional)</string>
+    <string name="help_config_guides_section">Guides</string>
+    <string name="dialog_add_guide">Add Guide</string>
+    <string name="dialog_rename_guide">Rename Guide</string>
+    <string name="dialog_add_step">Add Step</string>
+    <string name="dialog_edit_step">Edit Step</string>
+    <string name="field_text">Text</string>
+
+    <!-- Speaker choice and call overlay -->
+    <string name="speaker_normal_call">Normal call</string>
+    <string name="speaker_speakerphone">Speakerphone</string>
+    <string name="overlay_hang_up">Hang up</string>
+    <string name="cd_toggle_speakerphone">Toggle speakerphone</string>
+
+    <!-- Errors and permissions -->
+    <string name="error_phone_app_not_found">Phone app not found</string>
+    <string name="error_messages_app_not_found">Messages app not found</string>
+    <string name="error_camera_app_not_found">Camera app not found</string>
+    <string name="permission_call_missing">Call permission missing</string>
+
+    <!-- Plurals -->
+    <plurals name="guide_step_count">
+        <item quantity="one">1 step</item>
+        <item quantity="other">%d steps</item>
+    </plurals>
+</resources>

app/src/main/res/values/themes.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
 
-    <style name="Theme.IchWillHeim" parent="android:Theme.Material.Light.NoActionBar" />
+    <style name="Theme.IchWillHeim" parent="Theme.AppCompat.DayNight.NoActionBar" />
 </resources>