.idea/deploymentTargetSelector.xml

@@ -4,10 +4,10 @@
     <selectionStates>
       <SelectionState runConfigName="app">
         <option name="selectionMode" value="DROPDOWN" />
-        <DropdownSelection timestamp="2025-05-03T08:26:48.052108137Z">
+        <DropdownSelection timestamp="2025-05-03T08:34:29.354537334Z">
           <Target type="DEFAULT_BOOT">
             <handle>
-              <DeviceId pluginId="LocalEmulator" identifier="path=/home/sebastian/.android/avd/Small_Phone_API_36.avd" />
+              <DeviceId pluginId="PhysicalDevice" identifier="serial=R52N50NLGRT" />
             </handle>
           </Target>
         </DropdownSelection>

app/src/main/java/come/stormborntales/notevault/MainActivity.kt

@@ -7,10 +7,15 @@ import androidx.activity.ComponentActivity
 import androidx.activity.compose.rememberLauncherForActivityResult
 import androidx.activity.compose.setContent
 import androidx.activity.result.contract.ActivityResultContracts
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.padding
 import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.AccountCircle
 import androidx.compose.material.icons.filled.Menu
 import androidx.compose.material3.DrawerValue
+import androidx.compose.material3.DropdownMenu
+import androidx.compose.material3.DropdownMenuItem
 import androidx.compose.material3.ExperimentalMaterial3Api
 import androidx.compose.material3.Icon
 import androidx.compose.material3.IconButton
@@ -21,15 +26,19 @@ import androidx.compose.material3.NavigationDrawerItem
 import androidx.compose.material3.NavigationDrawerItemDefaults
 import androidx.compose.material3.Scaffold
 import androidx.compose.material3.Text
+import androidx.compose.material3.TextField
+import androidx.compose.material3.TextFieldDefaults
 import androidx.compose.material3.TopAppBar
 import androidx.compose.material3.rememberDrawerState
 import androidx.compose.runtime.*
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.unit.dp
 import androidx.lifecycle.viewmodel.compose.viewModel
 import androidx.navigation.compose.NavHost
 import androidx.navigation.compose.composable
+import androidx.navigation.compose.currentBackStackEntryAsState
 import androidx.navigation.compose.rememberNavController
 import come.stormborntales.notevault.data.local.AppDatabase
 import come.stormborntales.notevault.data.local.entity.NoteEntity
@@ -109,13 +118,69 @@ class MainActivity : ComponentActivity() {
                 ) {
                     Scaffold(
                         topBar = {
+                            var searchQuery by remember { mutableStateOf("") }
+                            var isMenuExpanded by remember { mutableStateOf(false) }
+
+                            val navBackStackEntry by navController.currentBackStackEntryAsState()
+                            val currentRoute = navBackStackEntry?.destination?.route
+
                             TopAppBar(
-                                title = { Text("NoteVault") },
+                                title = {
+                                    if(currentRoute == "main") {
+                                        TextField(
+                                            value = searchQuery,
+                                            onValueChange = {
+                                                searchQuery = it
+                                                viewModel.searchQuery.value = it
+                                            },
+                                            placeholder = { Text("Suche...") },
+                                            singleLine = true,
+                                            modifier = Modifier
+                                                .fillMaxWidth()
+                                                .padding(end = 48.dp), // Platz für Avatar
+                                            textStyle = MaterialTheme.typography.bodyLarge,
+                                            colors = TextFieldDefaults.textFieldColors(
+                                                containerColor = Color.Transparent,
+                                                unfocusedIndicatorColor = Color.Transparent,
+                                                focusedIndicatorColor = Color.Transparent
+                                            )
+                                        )
+                                    } else {
+                                        Text("NoteVault")
+                                    }
+                                },
                                 navigationIcon = {
-                                    IconButton(onClick = {
+                                    IconButton(onClick = { scope.launch { drawerState.open() } }) {
-                                        scope.launch { drawerState.open() }
+                                        Icon(Icons.Default.Menu, contentDescription = "Menü öffnen")
-                                    }) {
+                                    }
-                                        Icon(Icons.Default.Menu, contentDescription = "Menu")
+                                },
+                                actions = {
+                                    Box {
+                                        IconButton(onClick = { isMenuExpanded = true }) {
+                                            Icon(
+                                                imageVector = Icons.Default.AccountCircle, // Avatar-Icon
+                                                contentDescription = "Benutzerprofil"
+                                            )
+                                        }
+                                        DropdownMenu(
+                                            expanded = isMenuExpanded,
+                                            onDismissRequest = { isMenuExpanded = false }
+                                        ) {
+                                            DropdownMenuItem(
+                                                text = { Text("Profil") },
+                                                onClick = {
+                                                    isMenuExpanded = false
+                                                    // TODO: Navigiere ggf. zu Profilscreen
+                                                }
+                                            )
+                                            DropdownMenuItem(
+                                                text = { Text("Abmelden") },
+                                                onClick = {
+                                                    isMenuExpanded = false
+                                                    // TODO: Logout-Logik
+                                                }
+                                            )
+                                        }
                                     }
                                 }
                             )
@@ -179,7 +244,5 @@ class MainActivity : ComponentActivity() {
                 }
             }
         }
-
-
     }
 }

app/src/main/java/come/stormborntales/notevault/ui/screens/MainScreen.kt

@@ -242,7 +242,7 @@ fun MainScreen(
     viewModel: NoteViewModel,
     onEditNote: (NoteEntity) -> Unit
 ) {
-    val notes by viewModel.notes.observeAsState(emptyList())
+    val notes by viewModel.filteredNotes.collectAsState(initial = emptyList())
     Scaffold(
         floatingActionButton = {
             FloatingActionButton(

app/src/main/java/come/stormborntales/notevault/ui/viewmodel/NoteViewModel.kt

@@ -15,11 +15,34 @@ import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import java.io.File
 import androidx.core.graphics.scale
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.SharingStarted
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.combine
+import kotlinx.coroutines.flow.stateIn
 
 class NoteViewModel(
     private val repository: NoteRepository,
 ) : ViewModel() {
-    val notes = repository.allNotes.asLiveData()
+    // Sucheingabe als StateFlow
+    val searchQuery = MutableStateFlow("")
+
+    // Alle Notizen als Flow aus der Datenbank (NICHT blockierend!)
+    private val allNotes: Flow<List<NoteEntity>> = repository.allNotes
+
+    // Gefilterte Notizen basierend auf Sucheingabe
+    val filteredNotes: StateFlow<List<NoteEntity>> = combine(searchQuery, allNotes) { query, notes ->
+        if (query.isBlank()) {
+            notes
+        } else {
+            notes.filter {
+                it.title.contains(query, ignoreCase = true) ||
+                        it.description?.contains(query, ignoreCase = true) == true
+            }
+        }
+    }.stateIn(viewModelScope, SharingStarted.WhileSubscribed(5000), emptyList())
+
 
     fun createPreviewImage(context: Context, uri: Uri): File? {
        return try {