Updated placeholder

app/src/main/java/com/sadellie/unitto/MainActivity.kt

@@ -133,6 +133,7 @@ fun UnittoApp(
                 currentUnit = mainViewModel.unitTo,
                 navigateUp = { navController.navigateUp() },
                 selectAction = { mainViewModel.changeUnitTo(it) },
+                navigateToSettingsActtion = { navController.navigate(UNIT_GROUPS_SCREEN) },
                 viewModel = secondViewModel,
                 inputValue = mainViewModel.mainUIState.inputValue.toBigDecimal(),
                 unitFrom = mainViewModel.unitFrom

app/src/main/java/com/sadellie/unitto/screens/second/SecondScreen.kt

@@ -49,6 +49,7 @@ import java.math.BigDecimal
  *
  * @param currentUnit Currently selected [AbstractUnit].
  * @param navigateUp Action to navigate up. Called when user click back button.
+ * @param navigateToSettingsActtion Action to perform when clicking open settings in placeholder.
  * @param selectAction Action to perform when user clicks on [UnitListItem].
  * @param viewModel [SecondViewModel].
  * @param chipsRow Composable that is placed under TopAppBar. See [ChipsRow]
@@ -61,6 +62,7 @@ import java.math.BigDecimal
 private fun BasicUnitListScreen(
     currentUnit: AbstractUnit,
     navigateUp: () -> Unit,
+    navigateToSettingsActtion: () -> Unit,
     selectAction: (AbstractUnit) -> Unit,
     viewModel: SecondViewModel,
     chipsRow: @Composable (UnitGroup?, LazyListState) -> Unit = {_, _->},
@@ -102,7 +104,7 @@ private fun BasicUnitListScreen(
                 )
             }
             if (uiState.unitsToShow.isEmpty()) {
-                item { SearchPlaceholder() }
+                item { SearchPlaceholder(navigateToSettingsActtion) }
                 return@LazyColumn
             }
             uiState.unitsToShow.forEach { (unitGroup, listOfUnits) ->
@@ -149,6 +151,7 @@ fun LeftSideScreen(
 ) = BasicUnitListScreen(
     currentUnit = currentUnit,
     navigateUp = navigateUp,
+    navigateToSettingsActtion = navigateToSettingsActtion,
     selectAction = selectAction,
     viewModel = viewModel,
     chipsRow = { unitGroup, lazyListState ->
@@ -180,6 +183,7 @@ fun LeftSideScreen(
  *
  * @param currentUnit Currently selected [AbstractUnit].
  * @param navigateUp Action to navigate up. Called when user click back button.
+ * @param navigateToSettingsActtion Action to perform when clicking settings chip at the end.
  * @param selectAction Action to perform when user clicks on [UnitListItem].
  * @param viewModel [SecondViewModel].
  * @param inputValue Current input value (upper text field on MainScreen)
@@ -189,6 +193,7 @@ fun LeftSideScreen(
 fun RightSideScreen(
     currentUnit: AbstractUnit,
     navigateUp: () -> Unit,
+    navigateToSettingsActtion: () -> Unit,
     selectAction: (AbstractUnit) -> Unit,
     viewModel: SecondViewModel,
     inputValue: BigDecimal,
@@ -196,6 +201,7 @@ fun RightSideScreen(
 ) = BasicUnitListScreen(
     currentUnit = currentUnit,
     navigateUp = navigateUp,
+    navigateToSettingsActtion = navigateToSettingsActtion,
     selectAction = selectAction,
     viewModel = viewModel,
     unitsListItem = { unit, selectUnitAction ->

app/src/main/java/com/sadellie/unitto/screens/second/components/SearchPlaceholder.kt

@@ -25,6 +25,7 @@ import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.size
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.SearchOff
+import androidx.compose.material3.ElevatedButton
 import androidx.compose.material3.Icon
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Text
@@ -39,15 +40,16 @@ import com.sadellie.unitto.R
 /**
  * Placeholder that can be seen when there are no units found
  *
+ * @param navigateToSettingsActtion Action to perform when clicking open settings button.
  */
 @Composable
-fun SearchPlaceholder() {
+fun SearchPlaceholder(navigateToSettingsActtion: () -> Unit) {
     Column(
         modifier = Modifier
             .fillMaxWidth()
             .padding(16.dp),
         horizontalAlignment = Alignment.CenterHorizontally,
-        verticalArrangement = Arrangement.Center
+        verticalArrangement = Arrangement.spacedBy(16.dp)
     ) {
         // Big icon in the middle
         Icon(
@@ -67,5 +69,9 @@ fun SearchPlaceholder() {
             textAlign = TextAlign.Center,
             style = MaterialTheme.typography.bodySmall
         )
+        // Open settings button
+        ElevatedButton(onClick = navigateToSettingsActtion) {
+            Text(text = stringResource(id = R.string.search_placeholder_button_label))
+        }
     }
 }

app/src/main/res/values-en-rGB/strings.xml

@@ -724,7 +724,7 @@
     <string name="cancel_label">Cancel</string>
     <string name="search_bar_placeholder">Search units</string>
     <string name="search_placeholder">No results found</string>
-    <string name="search_placeholder_secondary">Make sure there are no typos or try different filters</string>
+    <string name="search_placeholder_secondary">Make sure there are no typos, try different filters or check for disabled unit groups.</string>
 
     <!--Content descriptions-->
     <string name="navigate_up_description">Navigate up</string>
@@ -742,5 +742,6 @@
     <string name="drop_down_description">Open or close drop down menu</string>
     <string name="hello_label">Hello!</string>
     <string name="unit_groups_setting">Unit groups</string>
+    <string name="search_placeholder_button_label">Open settings</string>
 
 </resources>

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

@@ -528,7 +528,7 @@
     <string name="cancel_label">Отмена</string>
     <string name="search_bar_placeholder">Поиск величин</string>
     <string name="search_placeholder">Не найдено</string>
-    <string name="search_placeholder_secondary">Убедитесь в отсутствии опечаток или попробуйте другие фильтры</string>
+    <string name="search_placeholder_secondary">Убедитесь в отсутствии опечаток, попробуйте другие фильтры или проверьте отключенные величины.</string>
     <string name="navigate_up_description">Навигация наверх</string>
     <string name="checked_filter_description">Выбранный фильтр</string>
     <string name="open_settings_description">Открыть настройки</string>
@@ -677,5 +677,6 @@
     <string name="drop_down_description">Открыть или закрыть меню</string>
     <string name="hello_label">Привет!</string>
     <string name="unit_groups_setting">Группы величин</string>
+    <string name="search_placeholder_button_label">Открыть настройки</string>
 
 </resources>

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

@@ -1004,7 +1004,8 @@
     <string name="ok_label" translatable="false">OK</string>
     <string name="search_bar_placeholder">Search units</string>
     <string name="search_placeholder">No results found</string>
-    <string name="search_placeholder_secondary">Make sure there are no typos or try different filters</string>
+    <string name="search_placeholder_button_label">Open settings</string>
+    <string name="search_placeholder_secondary">Make sure there are no typos, try different filters or check for disabled unit groups.</string>
     <string name="hello_label">Hello!</string>
 
     <!--Content descriptions-->