app/build.gradle.kts

@@ -60,6 +60,7 @@ dependencies {
     implementation(libs.androidx.room.runtime)
     implementation(libs.androidx.room.ktx)
     implementation(libs.lifecycle.livedata.ktx)
+    implementation(libs.compose.runtime.livedata)
 
     ksp(libs.androidx.room.compiler)
 }

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

@@ -57,7 +57,7 @@ class MainActivity : ComponentActivity() {
 
                 // UI anzeigen
                 MainScreen(
-                    notes = notes,
+                    viewModel = viewModel,
                     onAddNoteClicked = {
                         imagePickerLauncher.launch(
                             arrayOf("image/*")

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

@@ -31,7 +31,7 @@ fun FullscreenImageViewer(
         HorizontalPager(state = pagerState) { page ->
             val context = LocalContext.current
             val imageBitmap = remember(images[page]) {
-                loadImageBitmap(context, images[page])
+                loadImageBitmap(context, images[page].toString())
             }
 
             imageBitmap?.let {

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

@@ -15,6 +15,7 @@ import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.Add
 import androidx.compose.material3.*
 import androidx.compose.runtime.*
+import androidx.compose.runtime.livedata.observeAsState
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.clip
@@ -23,11 +24,15 @@ import androidx.compose.ui.graphics.asImageBitmap
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.unit.dp
 import come.stormborntales.notevault.FullscreenImageViewerActivity
+import come.stormborntales.notevault.data.local.entity.NoteEntity
 import come.stormborntales.notevault.data.model.NoteEntry
+import come.stormborntales.notevault.ui.viewmodel.NoteViewModel
 import java.io.InputStream
+import androidx.core.net.toUri
 
-fun loadImageBitmap(context: Context, uri: Uri): ImageBitmap? {
+fun loadImageBitmap(context: Context, uriString: String): ImageBitmap? {
     return try {
+        val uri = uriString.toUri()
         val inputStream: InputStream? = context.contentResolver.openInputStream(uri)
         val bitmap = BitmapFactory.decodeStream(inputStream)
         bitmap?.asImageBitmap()
@@ -38,7 +43,7 @@ fun loadImageBitmap(context: Context, uri: Uri): ImageBitmap? {
 }
 
 @Composable
-fun NoteCard(note: NoteEntry) {
+fun NoteCard(note: NoteEntity) {
     val context = LocalContext.current
     val imageBitmap = remember(note.images) {
         note.images.firstOrNull()?.let { loadImageBitmap(context, it) }
@@ -100,8 +105,11 @@ fun NoteCard(note: NoteEntry) {
                 ) {
                     OutlinedButton(
                         onClick = {
+                            val uris = ArrayList<Uri>();
+                            note.images.forEach { uris.add(it.toUri()) }
+
                             val intent = Intent(context, FullscreenImageViewerActivity::class.java).apply {
-                                putParcelableArrayListExtra("imageUris", ArrayList(note.images))
+                                putParcelableArrayListExtra("imageUris", ArrayList(uris))
                             }
                             context.startActivity(intent)
                         },
@@ -135,12 +143,9 @@ fun NoteCard(note: NoteEntry) {
 @Composable
 fun MainScreen(
     onAddNoteClicked: () -> Unit, // Übergib hier deine Logik für den Import
-    notes: MutableList<NoteEntry>, // Liste der Notenbilder (hier als URI),
+    viewModel: NoteViewModel
 ) {
-    val dummyNotes = notes
+    val notes by viewModel.notes.observeAsState(emptyList())
-    var noteToShow by remember { mutableStateOf<NoteEntry?>(null) }
-    // Hole den aktuellen Context
-    val context = LocalContext.current
     Scaffold(
         topBar = {
             TopAppBar(
@@ -162,7 +167,7 @@ fun MainScreen(
                 .fillMaxSize()
                 .padding(16.dp)
         ) {
-            items(dummyNotes) { note ->
+            items(notes) { note ->
                 NoteCard(note = note)
             }
         }

gradle/libs.versions.toml

@@ -12,8 +12,10 @@ composeBom = "2024.04.01"
 navigationCompose = "2.8.9"
 room = "2.7.1"
 ksp="2.1.21-RC-2.0.0"
+compose = "1.6.0" # oder was immer deine aktuelle Compose-Version ist
 
 [libraries]
+compose-runtime-livedata = { group = "androidx.compose.runtime", name = "runtime-livedata", version.ref = "compose" }
 lifecycle-livedata-ktx = "androidx.lifecycle:lifecycle-livedata-ktx:2.8.7"
 androidx-compose-bom-v20240100 = { module = "androidx.compose:compose-bom", version.ref = "composeBomVersion" }
 androidx-core-ktx = { group = "androidx.core", name = "core-ktx", version.ref = "coreKtx" }