Always show weather and music widgets even if there's no data available

i18n/src/main/res/values-de/strings.xml

@@ -415,4 +415,5 @@
     <string name="weather_wind">Wind:</string>
     <string name="preference_themed_icons">Eingefärbte Symbole</string>
     <string name="preference_themed_icons_summary">Symbole an das Farbschema der App anpassen</string>
+    <string name="weather_no_data">Keine Wetterdaten verfügbar.</string>
 </resources>

i18n/src/main/res/values/strings.xml

@@ -445,6 +445,8 @@
     <string name="weather_widget_hide_details">Hide details</string>
     <string name="weather_humidity">Humidity:</string>
     <string name="weather_wind">Wind:</string>
+    <string name="weather_no_data">No weather data available.</string>
+
     <string name="weather_precipitation">Precipitation:</string>
     <string name="preference_category_license">License</string>
     <string name="preference_about_license">This app is free software.</string>

ui/src/main/java/de/mm20/launcher2/ui/widget/MusicWidget.kt

@@ -7,14 +7,14 @@ import androidx.compose.foundation.Image
 import androidx.compose.foundation.background
 import androidx.compose.foundation.combinedClickable
 import androidx.compose.foundation.layout.*
-import androidx.compose.material3.Icon
-import androidx.compose.material3.IconButton
-import androidx.compose.material3.MaterialTheme
-import androidx.compose.material3.Text
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.rounded.MusicNote
 import androidx.compose.material.icons.rounded.SkipNext
 import androidx.compose.material.icons.rounded.SkipPrevious
+import androidx.compose.material3.Icon
+import androidx.compose.material3.IconButton
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.livedata.observeAsState
@@ -29,7 +29,6 @@ import de.mm20.launcher2.music.MusicViewModel
 import de.mm20.launcher2.music.PlaybackState
 import de.mm20.launcher2.ui.R
 import de.mm20.launcher2.ui.ktx.conditional
-import de.mm20.launcher2.ui.locals.LocalColorScheme
 import org.koin.androidx.compose.getViewModel
 
 @OptIn(
@@ -52,7 +51,6 @@ fun MusicWidget() {
     Row(
         modifier = Modifier.height(IntrinsicSize.Min)
     ) {
-        if (title != null) {
         Column(
             modifier = Modifier
                 .padding(top = 16.dp)
@@ -154,9 +152,5 @@ fun MusicWidget() {
                 )
             }
         }
-        } else {
-            // TODO
-        }
-
     }
 }

ui/src/main/java/de/mm20/launcher2/ui/widget/WeatherWidget.kt

@@ -13,6 +13,7 @@ import androidx.compose.material.DropdownMenu
 import androidx.compose.material.DropdownMenuItem
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.rounded.ArrowDropDown
+import androidx.compose.material.icons.rounded.LightMode
 import androidx.compose.material3.*
 import androidx.compose.runtime.*
 import androidx.compose.runtime.livedata.observeAsState
@@ -49,18 +50,22 @@ fun WeatherWidget() {
     var selectedForecastIndex by remember { mutableStateOf(0) }
     var detailsExpanded by remember { mutableStateOf(false) }
 
-    if (weatherData.isEmpty()) return
 
-    if (weatherData.size <= selectedDayIndex) {
+    if (weatherData.isNotEmpty() && weatherData.size <= selectedDayIndex) {
         selectedDayIndex = 0
         return
     }
 
-    if (weatherData[selectedDayIndex].hourlyForecasts.size <= selectedForecastIndex) {
+    if (weatherData.isNotEmpty() && weatherData[selectedDayIndex].hourlyForecasts.size <= selectedForecastIndex) {
         selectedForecastIndex = 0
         return
     }
 
+    if (weatherData.isEmpty()) {
+        NoData()
+        return
+    }
+
     val selectedForecast = weatherData[selectedDayIndex].hourlyForecasts[selectedForecastIndex]
     val imperialUnits = LauncherPreferences.instance.imperialUnits
 
@@ -441,3 +446,25 @@ private fun weatherIconById(id: Int): WeatherIcon {
         else -> WeatherIcon.None
     }
 }
+
+@Composable
+fun NoData() {
+    Row(
+        modifier = Modifier
+            .fillMaxWidth()
+            .wrapContentHeight(),
+        verticalAlignment = Alignment.CenterVertically
+    ) {
+        Icon(imageVector = Icons.Rounded.LightMode,
+            contentDescription = "",
+            modifier = Modifier
+                .padding(24.dp)
+                .size(32.dp),
+            tint = MaterialTheme.colorScheme.secondary
+        )
+        Text(
+            text = stringResource(id = R.string.weather_no_data),
+            style = MaterialTheme.typography.bodySmall
+        )
+    }
+}