Layout issues in the Start Exercise Screen

app/build.gradle.kts

@@ -126,6 +126,7 @@ dependencies {
     implementation(libs.androidx.room.runtime) // ADDED: Explicitly add runtime
     implementation(libs.androidx.room.ktx)
     implementation(libs.core.ktx)
+    implementation(libs.androidx.compose.runtime)
     ksp(libs.room.compiler)
 
     // Networking

app/src/main/java/eu/gaudian/translator/view/Navigation.kt

@@ -154,8 +154,22 @@ fun AppNavHost(
             NewWordReviewScreen(navController = navController)
         }
 
-        composable(NavigationRoutes.START_EXERCISE) {
+        composable(
-            StartExerciseScreen(navController = navController)
+            route = "${NavigationRoutes.START_EXERCISE}?categoryId={categoryId}",
+            arguments = listOf(
+                navArgument("categoryId") {
+                    type = NavType.StringType
+                    nullable = true
+                    defaultValue = null
+                }
+            )
+        ) { backStackEntry ->
+            val categoryIdString = backStackEntry.arguments?.getString("categoryId")
+            val categoryId = categoryIdString?.toIntOrNull()
+            StartExerciseScreen(
+                navController = navController,
+                preselectedCategoryId = categoryId
+            )
         }
 
         // Define all other navigation graphs at the same top level.

app/src/main/java/eu/gaudian/translator/view/exercises/StartExerciseScreen.kt

@@ -35,6 +35,7 @@ import androidx.compose.material3.Surface
 import androidx.compose.material3.Text
 import androidx.compose.material3.rememberModalBottomSheetState
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableIntStateOf
@@ -56,7 +57,6 @@ import androidx.hilt.lifecycle.viewmodel.compose.hiltViewModel
 import androidx.navigation.NavHostController
 import eu.gaudian.translator.R
 import eu.gaudian.translator.model.Language
-import eu.gaudian.translator.model.TagCategory
 import eu.gaudian.translator.model.VocabularyCategory
 import eu.gaudian.translator.model.VocabularyStage
 import eu.gaudian.translator.utils.findActivity
@@ -76,17 +76,30 @@ import kotlinx.coroutines.launch
 @Composable
 fun StartExerciseScreen(
     navController: NavHostController,
+    preselectedCategoryId: Int? = null,
     modifier: Modifier = Modifier
 ) {
     val activity = androidx.compose.ui.platform.LocalContext.current.findActivity()
     val vocabularyViewModel: VocabularyViewModel = hiltViewModel(viewModelStoreOwner = activity)
+    val categoryViewModel: CategoryViewModel = hiltViewModel(viewModelStoreOwner = activity)
     val exerciseViewModel: VocabularyExerciseViewModel = hiltViewModel(viewModelStoreOwner = activity)
 
     val exerciseConfig by exerciseViewModel.pendingExerciseConfig.collectAsState()
+    val allCategories by categoryViewModel.categories.collectAsState(initial = emptyList())
     var selectedLanguagePairs by remember { mutableStateOf<List<Pair<Language, Language>>>(emptyList()) }
     var selectedCategories by remember { mutableStateOf<List<VocabularyCategory>>(emptyList()) }
     var selectedStages by remember { mutableStateOf<List<VocabularyStage>>(emptyList()) }
 
+    // Initialize preselected category
+    LaunchedEffect(allCategories, preselectedCategoryId) {
+        if (preselectedCategoryId != null) {
+            val category = allCategories.find { it.id == preselectedCategoryId }
+            if (category != null && category !in selectedCategories) {
+                selectedCategories = listOf(category)
+            }
+        }
+    }
+
     var selectedOriginLanguage by remember { mutableStateOf<Language?>(null) }
     var selectedTargetLanguage by remember { mutableStateOf<Language?>(null) }
     val isDirectionPreferenceSet = selectedOriginLanguage != null || selectedTargetLanguage != null
@@ -143,6 +156,13 @@ fun StartExerciseScreen(
                 .widthIn(max = 700.dp) // Keeps it from over-stretching on tablets
                 .fillMaxSize()
         ) {
+            val languageViewModel: LanguageViewModel = hiltViewModel(viewModelStoreOwner = activity)
+            val allLanguages by languageViewModel.allLanguages.collectAsState(initial = emptyList())
+            
+            val availableLanguages = remember(availableLanguagesFromItems, allLanguages) {
+                allLanguages.filter { it.nameResId in availableLanguagesFromItems }
+            }
+            
             TopBarSection(
                 onBackClick = { navController.popBackStack() },
                 shuffleCards = exerciseConfig.shuffleCards,
@@ -152,6 +172,36 @@ fun StartExerciseScreen(
                 shuffleLanguagesEnabled = !isDirectionPreferenceSet,
                 trainingMode = exerciseConfig.trainingMode,
                 onTrainingModeChanged = { updateConfig(exerciseConfig.copy(trainingMode = it)) },
+                selectedOriginLanguage = selectedOriginLanguage,
+                selectedTargetLanguage = selectedTargetLanguage,
+                languageSelectionEnabled = true,
+                availableLanguages = availableLanguages,
+                onOriginLanguageSelected = { language ->
+                    if (language?.nameResId == selectedOriginLanguage?.nameResId) {
+                        selectedOriginLanguage = null
+                        updateConfig(exerciseConfig.copy(originLanguageId = null))
+                    } else {
+                        selectedOriginLanguage = language
+                        if (selectedTargetLanguage?.nameResId == language?.nameResId) {
+                            selectedTargetLanguage = null
+                            updateConfig(exerciseConfig.copy(targetLanguageId = null))
+                        }
+                        updateConfig(exerciseConfig.copy(originLanguageId = language?.nameResId))
+                    }
+                },
+                onTargetLanguageSelected = { language ->
+                    if (language?.nameResId == selectedTargetLanguage?.nameResId) {
+                        selectedTargetLanguage = null
+                        updateConfig(exerciseConfig.copy(targetLanguageId = null))
+                    } else {
+                        selectedTargetLanguage = language
+                        if (selectedOriginLanguage?.nameResId == language?.nameResId) {
+                            selectedOriginLanguage = null
+                            updateConfig(exerciseConfig.copy(originLanguageId = null))
+                        }
+                        updateConfig(exerciseConfig.copy(targetLanguageId = language?.nameResId))
+                    }
+                }
             )
 
             LazyColumn(
@@ -176,36 +226,7 @@ fun StartExerciseScreen(
                                 updateConfig(exerciseConfig.copy(originLanguageId = null, targetLanguageId = null))
                             }
                         },
-                        onOriginLanguageSelected = { language ->
+                        selectedPairsCount = selectedLanguagePairs.size
-                            if (language?.nameResId == selectedOriginLanguage?.nameResId) {
-                                selectedOriginLanguage = null
-                                updateConfig(exerciseConfig.copy(originLanguageId = null))
-                            } else {
-                                selectedOriginLanguage = language
-                                if (selectedTargetLanguage?.nameResId == language?.nameResId) {
-                                    selectedTargetLanguage = null
-                                    updateConfig(exerciseConfig.copy(targetLanguageId = null))
-                                }
-                                updateConfig(exerciseConfig.copy(originLanguageId = language?.nameResId))
-                            }
-                        },
-                        onTargetLanguageSelected = { language ->
-                            if (language?.nameResId == selectedTargetLanguage?.nameResId) {
-                                selectedTargetLanguage = null
-                                updateConfig(exerciseConfig.copy(targetLanguageId = null))
-                            } else {
-                                selectedTargetLanguage = language
-                                if (selectedOriginLanguage?.nameResId == language?.nameResId) {
-                                    selectedOriginLanguage = null
-                                    updateConfig(exerciseConfig.copy(originLanguageId = null))
-                                }
-                                updateConfig(exerciseConfig.copy(targetLanguageId = language?.nameResId))
-                            }
-                        },
-                        languageSelectionEnabled = true,
-                        selectedPairsCount = selectedLanguagePairs.size,
-                        selectedOriginLanguage = selectedOriginLanguage,
-                        selectedTargetLanguage = selectedTargetLanguage
                     )
                 }
                 item {
@@ -284,7 +305,13 @@ fun TopBarSection(
     onShuffleLanguagesChanged: (Boolean) -> Unit,
     shuffleLanguagesEnabled: Boolean,
     trainingMode: Boolean,
-    onTrainingModeChanged: (Boolean) -> Unit
+    onTrainingModeChanged: (Boolean) -> Unit,
+    selectedOriginLanguage: Language?,
+    selectedTargetLanguage: Language?,
+    languageSelectionEnabled: Boolean,
+    availableLanguages: List<Language>,
+    onOriginLanguageSelected: (Language?) -> Unit,
+    onTargetLanguageSelected: (Language?) -> Unit
 ) {
     var showSettings by remember { mutableStateOf(false) }
     val sheetState = rememberModalBottomSheetState(skipPartiallyExpanded = true)
@@ -343,6 +370,12 @@ fun TopBarSection(
             shuffleLanguagesEnabled = shuffleLanguagesEnabled,
             trainingMode = trainingMode,
             onTrainingModeChanged = onTrainingModeChanged,
+            selectedOriginLanguage = selectedOriginLanguage,
+            selectedTargetLanguage = selectedTargetLanguage,
+            languageSelectionEnabled = languageSelectionEnabled,
+            availableLanguages = availableLanguages,
+            onOriginLanguageSelected = onOriginLanguageSelected,
+            onTargetLanguageSelected = onTargetLanguageSelected,
             onDismiss = {
                 scope.launch { sheetState.hide() }.invokeOnCompletion {
                     if (!sheetState.isVisible) {
@@ -388,12 +421,7 @@ fun LanguagePairSection(
     selectedPairs: List<Pair<Language, Language>>,
     availableLanguageIds: Set<Int>,
     onPairsChanged: (List<Pair<Language, Language>>) -> Unit,
-    onOriginLanguageSelected: (Language?) -> Unit,
+    selectedPairsCount: Int
-    onTargetLanguageSelected: (Language?) -> Unit,
-    languageSelectionEnabled: Boolean,
-    selectedPairsCount: Int,
-    selectedOriginLanguage: Language?,
-    selectedTargetLanguage: Language?
 ) {
     val activity = androidx.compose.ui.platform.LocalContext.current.findActivity()
     val vocabularyViewModel: VocabularyViewModel = hiltViewModel(viewModelStoreOwner = activity)
@@ -428,8 +456,17 @@ fun LanguagePairSection(
             }
     }
 
+    var isExpanded by remember { mutableStateOf(false) }
+    val displayedPairs = if (isExpanded) availablePairs else availablePairs.take(3)
+
     Column {
-        SectionHeader(title = stringResource(R.string.language_pair))
+        SectionHeader(
+            title = stringResource(R.string.language_pair),
+            actionText = if (availablePairs.size > 3) {
+                if (isExpanded) stringResource(R.string.label_show_less) else stringResource(R.string.label_show_more)
+            } else null,
+            onActionClick = { isExpanded = !isExpanded }
+        )
 
         if (availablePairs.isEmpty()) {
             Text(
@@ -442,7 +479,7 @@ fun LanguagePairSection(
                 horizontalArrangement = Arrangement.spacedBy(12.dp),
                 verticalArrangement = Arrangement.spacedBy(12.dp)
             ) {
-                availablePairs.forEach { pair ->
+                displayedPairs.forEach { pair ->
                     val isSelected = selectedPairs.contains(pair)
                     LanguageChip(
                         text = "${pair.first.name} ⇄ ${pair.second.name}",
@@ -460,74 +497,6 @@ fun LanguagePairSection(
                 }
             }
         }
-
-        Spacer(modifier = Modifier.height(16.dp))
-        Text(
-            text = stringResource(R.string.label_language_direction),
-            style = MaterialTheme.typography.titleMedium,
-            fontWeight = FontWeight.Bold
-        )
-        Text(
-            text = stringResource(R.string.text_language_direction_explanation),
-            style = MaterialTheme.typography.bodyMedium,
-            color = MaterialTheme.colorScheme.onSurfaceVariant
-        )
-        if (!languageSelectionEnabled && selectedPairsCount > 0) {
-            Spacer(modifier = Modifier.height(8.dp))
-            Text(
-                text = stringResource(R.string.text_language_direction_disabled_with_pairs),
-                style = MaterialTheme.typography.bodyMedium,
-                color = MaterialTheme.colorScheme.onSurfaceVariant
-            )
-        }
-        Spacer(modifier = Modifier.height(12.dp))
-        Row(
-            horizontalArrangement = Arrangement.spacedBy(16.dp),
-            modifier = Modifier.fillMaxWidth()
-        ) {
-            Column(modifier = Modifier.weight(1f)) {
-                Text(
-                    text = stringResource(R.string.label_origin_language),
-                    style = MaterialTheme.typography.bodyMedium,
-                    modifier = Modifier.padding(bottom = 8.dp)
-                )
-                eu.gaudian.translator.view.composable.SingleLanguageDropDown(
-                    modifier = Modifier.fillMaxWidth(),
-                    languageViewModel = languageViewModel,
-                    selectedLanguage = selectedOriginLanguage,
-                    onLanguageSelected = { language ->
-                        if (selectedTargetLanguage?.nameResId == language.nameResId) return@SingleLanguageDropDown
-                        onOriginLanguageSelected(language)
-                    },
-                    showNoneOption = true,
-                    onNoneSelected = { onOriginLanguageSelected(null) },
-                    alternateLanguages = availableLanguages,
-                    restrictToAlternateLanguages = true,
-                    enabled = languageSelectionEnabled
-                )
-            }
-            Column(modifier = Modifier.weight(1f)) {
-                Text(
-                    text = stringResource(R.string.label_target_language),
-                    style = MaterialTheme.typography.bodyMedium,
-                    modifier = Modifier.padding(bottom = 8.dp)
-                )
-                eu.gaudian.translator.view.composable.SingleLanguageDropDown(
-                    modifier = Modifier.fillMaxWidth(),
-                    languageViewModel = languageViewModel,
-                    selectedLanguage = selectedTargetLanguage,
-                    onLanguageSelected = { language ->
-                        if (selectedOriginLanguage?.nameResId == language.nameResId) return@SingleLanguageDropDown
-                        onTargetLanguageSelected(language)
-                    },
-                    showNoneOption = true,
-                    onNoneSelected = { onTargetLanguageSelected(null) },
-                    alternateLanguages = availableLanguages,
-                    restrictToAlternateLanguages = true,
-                    enabled = languageSelectionEnabled
-                )
-            }
-        }
     }
 }
 
@@ -576,10 +545,25 @@ fun CategoriesSection(
     val categories by categoryViewModel.categories.collectAsState(initial = emptyList())
 
     Column {
-        SectionHeader(title = stringResource(R.string.label_categories))
+        val tagCategories = categories
+        var isExpanded by remember { mutableStateOf(false) }
+        val displayedCategories = if (isExpanded) tagCategories else tagCategories.take(3)
 
-        val tagCategories = categories.filterIsInstance<TagCategory>()
+        SectionHeader(
-        if (tagCategories.size > 15) {
+            title = stringResource(R.string.label_categories),
+            actionText = if (tagCategories.size > 3) {
+                if (isExpanded) stringResource(R.string.label_show_less) else stringResource(R.string.label_show_more)
+            } else null,
+            onActionClick = { isExpanded = !isExpanded }
+        )
+
+        if (tagCategories.isEmpty()) {
+            Text(
+                text = stringResource(R.string.no_vocabulary_items_found_perhaps_try_changing_the_filters),
+                style = MaterialTheme.typography.bodyMedium,
+                color = MaterialTheme.colorScheme.onSurfaceVariant
+            )
+        } else if (tagCategories.size > 15) {
             CategoryDropdown(
                 onCategorySelected = { selections ->
                     onCategoriesChanged(selections.filterNotNull())
@@ -596,7 +580,7 @@ fun CategoriesSection(
                 verticalArrangement = Arrangement.spacedBy(8.dp),
                 modifier = Modifier.fillMaxWidth()
             ) {
-                tagCategories.forEach { category ->
+                displayedCategories.forEach { category ->
                     val isSelected = selectedCategories.contains(category)
                     Surface(
                         shape = RoundedCornerShape(20.dp),
@@ -879,8 +863,17 @@ private fun StartExerciseSettingsBottomSheet(
     shuffleLanguagesEnabled: Boolean,
     trainingMode: Boolean,
     onTrainingModeChanged: (Boolean) -> Unit,
+    selectedOriginLanguage: Language?,
+    selectedTargetLanguage: Language?,
+    languageSelectionEnabled: Boolean,
+    availableLanguages: List<Language>,
+    onOriginLanguageSelected: (Language?) -> Unit,
+    onTargetLanguageSelected: (Language?) -> Unit,
     onDismiss: () -> Unit
 ) {
+    val activity = androidx.compose.ui.platform.LocalContext.current.findActivity()
+    val languageViewModel: LanguageViewModel = hiltViewModel(viewModelStoreOwner = activity)
+
     ModalBottomSheet(
         onDismissRequest = onDismiss,
         sheetState = sheetState
@@ -889,7 +882,7 @@ private fun StartExerciseSettingsBottomSheet(
             modifier = Modifier
                 .fillMaxWidth()
                 .padding(horizontal = 20.dp, vertical = 16.dp),
-            verticalArrangement = Arrangement.spacedBy(12.dp)
+            verticalArrangement = Arrangement.spacedBy(16.dp)
         ) {
             Text(
                 text = stringResource(R.string.options),
@@ -927,6 +920,73 @@ private fun StartExerciseSettingsBottomSheet(
                 checked = trainingMode,
                 onCheckedChange = onTrainingModeChanged
             )
+
+            // Language Direction Section
+            Text(
+                text = stringResource(R.string.label_language_direction),
+                style = MaterialTheme.typography.titleMedium,
+                fontWeight = FontWeight.Bold
+            )
+            Text(
+                text = stringResource(R.string.text_language_direction_explanation),
+                style = MaterialTheme.typography.bodyMedium,
+                color = MaterialTheme.colorScheme.onSurfaceVariant
+            )
+            if (!languageSelectionEnabled) {
+                Text(
+                    text = stringResource(R.string.text_language_direction_disabled_with_pairs),
+                    style = MaterialTheme.typography.bodyMedium,
+                    color = MaterialTheme.colorScheme.onSurfaceVariant
+                )
+            }
+            Spacer(modifier = Modifier.height(12.dp))
+            Row(
+                horizontalArrangement = Arrangement.spacedBy(16.dp),
+                modifier = Modifier.fillMaxWidth()
+            ) {
+                Column(modifier = Modifier.weight(1f)) {
+                    Text(
+                        text = stringResource(R.string.label_origin_language),
+                        style = MaterialTheme.typography.bodyMedium,
+                        modifier = Modifier.padding(bottom = 8.dp)
+                    )
+                    eu.gaudian.translator.view.composable.SingleLanguageDropDown(
+                        modifier = Modifier.fillMaxWidth(),
+                        languageViewModel = languageViewModel,
+                        selectedLanguage = selectedOriginLanguage,
+                        onLanguageSelected = { language ->
+                            if (selectedTargetLanguage?.nameResId == language.nameResId) return@SingleLanguageDropDown
+                            onOriginLanguageSelected(language)
+                        },
+                        showNoneOption = true,
+                        onNoneSelected = { onOriginLanguageSelected(null) },
+                        alternateLanguages = availableLanguages,
+                        restrictToAlternateLanguages = true,
+                        enabled = languageSelectionEnabled
+                    )
+                }
+                Column(modifier = Modifier.weight(1f)) {
+                    Text(
+                        text = stringResource(R.string.label_target_language),
+                        style = MaterialTheme.typography.bodyMedium,
+                        modifier = Modifier.padding(bottom = 8.dp)
+                    )
+                    eu.gaudian.translator.view.composable.SingleLanguageDropDown(
+                        modifier = Modifier.fillMaxWidth(),
+                        languageViewModel = languageViewModel,
+                        selectedLanguage = selectedTargetLanguage,
+                        onLanguageSelected = { language ->
+                            if (selectedOriginLanguage?.nameResId == language.nameResId) return@SingleLanguageDropDown
+                            onTargetLanguageSelected(language)
+                        },
+                        showNoneOption = true,
+                        onNoneSelected = { onTargetLanguageSelected(null) },
+                        alternateLanguages = availableLanguages,
+                        restrictToAlternateLanguages = true,
+                        enabled = languageSelectionEnabled
+                    )
+                }
+            }
         }
     }
-}
+}

app/src/main/java/eu/gaudian/translator/view/vocabulary/CategoryDetailScreen.kt

@@ -255,9 +255,7 @@ fun CategoryDetailScreen(
                         subtitle = subtitle,
                         categoryProgress = categoryProgress,
                         onStartExerciseClick = {
-                            val categories = listOf(category)
+                            navController.navigate("start_exercise?categoryId=$categoryId")
-                            val categoryIds = categories.joinToString(",") { it?.id.toString() }
-                            navController.navigate("vocabulary_exercise/false?categories=$categoryIds")
                         },
                         onEditClick = {
                             categoryViewModel.setShowEditCategoryDialog(true, categoryId)

app/src/main/res/values-de-rDE/strings.xml

@@ -834,7 +834,7 @@
     <string name="label_quit_app">App beenden</string>
     <string name="label_target_correct_answers_per_day">Ziel für richtige Antworten pro Tag</string>
     <string name="label_interval_settings_in_days">Intervall-Einstellungen</string>
-    <string name="label_vocabulary_settings">Fortschritts-Einstellungen</string>
+    <string name="label_vocabulary_settings">Fortschritt</string>
     <string name="label_no_category">Keine</string>
     <string name="text_search">Suche</string>
     <string name="text_language_settings_description">Stelle ein, welche Sprachen du in der App verwenden möchtest. Sprachen, die nicht aktiviert sind, werden in dieser App nicht angezeigt. Du kannst auch deine eigene Sprache zur Liste hinzufügen oder eine vorhandene Sprache (Region/Locale) ändern.</string>
@@ -898,7 +898,7 @@
     <string name="cd_go">Los</string>
     <string name="label_sort_by">Sortieren nach</string>
     <string name="label_reset">Zurücksetzen</string>
-    <string name="label_filter_cards">Filter Cards</string>
+    <string name="label_filter_cards">Karten Filtern</string>
     <string name="text_desc_organize_vocabulary_groups">Organisiere deinen Wortschatz in Gruppen</string>
     <string name="text_add_new_word_to_list">Extrahiere ein neues Wort in deine Liste</string>
     <string name="cd_scroll_to_top">Nach oben scrollen</string>

app/src/main/res/values-pt-rBR/strings.xml

@@ -832,7 +832,7 @@
     <string name="label_home">Início</string>
     <string name="label_quit_app">Sair do App</string>
     <string name="label_interval_settings_in_days">Configurações de Intervalo</string>
-    <string name="label_vocabulary_settings">Configurações de Progresso</string>
+    <string name="label_vocabulary_settings">Progresso</string>
     <string name="label_no_category">Nenhum</string>
     <string name="text_search">Buscar</string>
     <string name="text_language_settings_description">1. Escolha quais idiomas você quer usar no app. Idiomas que não estiverem ativados não vão aparecer aqui. Você também pode adicionar o seu próprio idioma à lista ou mudar um idioma existente (região/localidade)</string>

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

@@ -1114,4 +1114,5 @@
     <string name="label_search_cards">Search cards</string>
     <string name="label_learnedd">learned</string>
     <string name="label_all_categoriess">All Categories</string>
+    <string name="label_show_more">Show More</string>
 </resources>

gradle/libs.versions.toml

@@ -42,6 +42,7 @@ coreKtxVersion = "1.7.0"
 truth = "1.4.5"
 zstdJni = "1.5.7-7"
 composeMarkdown = "0.5.8"
+runtime = "1.10.3"
 
 
 [libraries]
@@ -102,6 +103,7 @@ hilt-android-compiler = { module = "com.google.dagger:hilt-android-compiler", ve
 hilt-navigation-compose = { module = "androidx.hilt:hilt-navigation-compose", version = "1.3.0" }
 mockk = { module = "io.mockk:mockk", version = "1.14.9" }
 compose-markdown = { module = "com.github.jeziellago:compose-markdown", version.ref = "composeMarkdown" }
+androidx-compose-runtime = { group = "androidx.compose.runtime", name = "runtime", version.ref = "runtime" }
 
 [plugins]
 android-application = { id = "com.android.application", version.ref = "agp" }