feat: app-level display name (v0.3.1)

app/src/main/java/kr/tkrmagid/easyappliance/data/SettingsRepository.kt

@@ -17,6 +17,8 @@ private val Context.dataStore: DataStore<Preferences> by preferencesDataStore(na
 
 /** User/admin choices that must survive app restarts. */
 data class AppSettings(
+    /** App-level display name shown as the home header; null = default. */
+    val appName: String? = null,
     val selectedDeviceId: String? = null,
     val showRemainingTime: Boolean = true,
     val showReservation: Boolean = true,
@@ -36,6 +38,7 @@ class SettingsRepository(private val context: Context) {
 
     val settings: Flow<AppSettings> = context.dataStore.data.map { p ->
         AppSettings(
+            appName = p[KEY_APP_NAME]?.takeIf { it.isNotBlank() },
             selectedDeviceId = p[KEY_SELECTED_DEVICE],
             showRemainingTime = p[KEY_SHOW_REMAINING] ?: true,
             showReservation = p[KEY_SHOW_RESERVATION] ?: true,
@@ -47,6 +50,9 @@ class SettingsRepository(private val context: Context) {
         )
     }
 
+    suspend fun setAppName(name: String) =
+        edit { it[KEY_APP_NAME] = name.trim() }
+
     suspend fun setSelectedDevice(deviceId: String) =
         edit { it[KEY_SELECTED_DEVICE] = deviceId }
 
@@ -93,6 +99,7 @@ class SettingsRepository(private val context: Context) {
         else runCatching { Json.decodeFromString<Map<String, DeviceMacro>>(raw) }.getOrDefault(emptyMap())
 
     private companion object {
+        val KEY_APP_NAME = stringPreferencesKey("app_name")
         val KEY_SELECTED_DEVICE = stringPreferencesKey("selected_device_id")
         val KEY_SHOW_REMAINING = booleanPreferencesKey("show_remaining_time")
         val KEY_SHOW_RESERVATION = booleanPreferencesKey("show_reservation")

app/src/main/java/kr/tkrmagid/easyappliance/ui/AdminScreen.kt

@@ -49,6 +49,7 @@ import kr.tkrmagid.easyappliance.data.DeviceImages
 import kr.tkrmagid.easyappliance.data.DeviceMacro
 import kr.tkrmagid.easyappliance.data.ImageStorage
 import kr.tkrmagid.easyappliance.vm.HomeUiState
+import kr.tkrmagid.easyappliance.vm.appDisplayName
 import kr.tkrmagid.easyappliance.vm.displayLabelFor
 import kr.tkrmagid.easyappliance.vm.imageRefFor
 import kr.tkrmagid.easyappliance.vm.macroFor
@@ -57,6 +58,7 @@ import kr.tkrmagid.easyappliance.vm.macroFor
 fun AdminScreen(
     state: HomeUiState,
     onSelectDevice: (String) -> Unit,
+    onSetAppName: (String) -> Unit,
     onToggleRemaining: (Boolean) -> Unit,
     onToggleReservation: (Boolean) -> Unit,
     onTogglePowerControls: (Boolean) -> Unit,
@@ -78,6 +80,13 @@ fun AdminScreen(
         Text("관리자 설정", style = MaterialTheme.typography.headlineLarge)
         Spacer(Modifier.height(24.dp))
 
+        SectionTitle("앱 이름 바꾸기")
+        NameEditor(
+            current = state.appDisplayName(),
+            onSave = onSetAppName,
+        )
+
+        Spacer(Modifier.height(28.dp))
         SectionTitle("조작할 기기 선택")
         Card(
             modifier = Modifier.fillMaxWidth(),
@@ -104,7 +113,7 @@ fun AdminScreen(
 
         if (selected != null) {
             Spacer(Modifier.height(28.dp))
-            SectionTitle("이름 바꾸기")
+            SectionTitle("기기 이름 바꾸기")
             NameEditor(
                 current = state.displayLabelFor(selected),
                 onSave = { onSetLabel(selected.id, it) },

app/src/main/java/kr/tkrmagid/easyappliance/ui/AppRoot.kt

@@ -63,6 +63,7 @@ fun AppRoot() {
                 Screen.ADMIN -> AdminScreen(
                     state = state,
                     onSelectDevice = vm::selectDevice,
+                    onSetAppName = vm::setAppName,
                     onToggleRemaining = vm::setShowRemainingTime,
                     onToggleReservation = vm::setShowReservation,
                     onTogglePowerControls = vm::setShowPowerControls,

app/src/main/java/kr/tkrmagid/easyappliance/ui/HomeScreen.kt

@@ -34,6 +34,7 @@ import androidx.compose.ui.unit.dp
 import kr.tkrmagid.easyappliance.data.DeviceType
 import androidx.compose.material.icons.filled.PlayArrow
 import kr.tkrmagid.easyappliance.vm.HomeUiState
+import kr.tkrmagid.easyappliance.vm.appDisplayName
 import kr.tkrmagid.easyappliance.vm.displayLabelFor
 import kr.tkrmagid.easyappliance.vm.imageRefFor
 import kr.tkrmagid.easyappliance.vm.macroFor
@@ -71,6 +72,13 @@ fun HomeScreen(
                 modifier = Modifier.widthIn(max = contentMaxWidth).fillMaxWidth(),
                 horizontalAlignment = Alignment.CenterHorizontally,
             ) {
+                Text(
+                    text = state.appDisplayName(),
+                    style = MaterialTheme.typography.titleLarge,
+                    color = MaterialTheme.colorScheme.primary,
+                    textAlign = TextAlign.Center,
+                )
+                Spacer(Modifier.height(16.dp))
                 DeviceImage(
                     imageRef = state.imageRefFor(device),
                     modifier = Modifier.size(if (narrow) 96.dp else 128.dp),

app/src/main/java/kr/tkrmagid/easyappliance/vm/AppViewModel.kt

@@ -170,6 +170,7 @@ class AppViewModel(app: Application) : AndroidViewModel(app) {
         viewModelScope.launch { settingsRepo.setDeviceMacro(deviceId, macro) }
     }
 
+    fun setAppName(name: String) { viewModelScope.launch { settingsRepo.setAppName(name) } }
     fun setShowRemainingTime(value: Boolean) { viewModelScope.launch { settingsRepo.setShowRemainingTime(value) } }
     fun setShowReservation(value: Boolean) { viewModelScope.launch { settingsRepo.setShowReservation(value) } }
     fun setShowPowerControls(value: Boolean) { viewModelScope.launch { settingsRepo.setShowPowerControls(value) } }
@@ -188,3 +189,8 @@ fun HomeUiState.imageRefFor(device: Device): String =
 
 /** The device's macro, or null if none configured. */
 fun HomeUiState.macroFor(device: Device): DeviceMacro? = settings.deviceMacros[device.id]
+
+const val DEFAULT_APP_NAME = "쉬운 가전 리모컨"
+
+/** App-level display name shown as the home header. */
+fun HomeUiState.appDisplayName(): String = settings.appName ?: DEFAULT_APP_NAME