[ADDED] Support for dynamic padding using WindowSizeClass.

app/src/main/java/dev/hossain/weatheralert/MainActivity.kt

@@ -5,6 +5,7 @@ import android.os.Bundle
 import androidx.activity.ComponentActivity
 import androidx.activity.compose.setContent
 import androidx.activity.enableEdgeToEdge
+import androidx.compose.material3.adaptive.currentWindowAdaptiveInfo
 import com.slack.circuit.backstack.rememberSaveableBackStack
 import com.slack.circuit.foundation.Circuit
 import com.slack.circuit.foundation.CircuitCompositionLocals
@@ -17,6 +18,7 @@ import dev.hossain.weatheralert.di.AppScope
 import dev.hossain.weatheralert.network.NetworkMonitor
 import dev.hossain.weatheralert.ui.alertslist.CurrentWeatherAlertScreen
 import dev.hossain.weatheralert.ui.theme.WeatherAlertAppTheme
+import dev.hossain.weatheralert.ui.theme.dimensions
 import javax.inject.Inject
 
 @ContributesMultibinding(AppScope::class, boundType = Activity::class)
@@ -32,7 +34,8 @@ class MainActivity
             enableEdgeToEdge()
 
             setContent {
-                WeatherAlertAppTheme {
+                val windowSizeClass = currentWindowAdaptiveInfo().windowSizeClass
+                WeatherAlertAppTheme(dimensions = windowSizeClass.windowWidthSizeClass.dimensions()) {
                     // See https://slackhq.github.io/circuit/navigation/
                     val backStack = rememberSaveableBackStack(root = CurrentWeatherAlertScreen("root"))
                     val navigator = rememberCircuitNavigator(backStack)

app/src/main/java/dev/hossain/weatheralert/ui/addalert/AddNewWeatherAlertScreen.kt

@@ -94,6 +94,7 @@ import dev.hossain.weatheralert.di.AppScope
 import dev.hossain.weatheralert.ui.addapikey.BringYourOwnApiKeyScreen
 import dev.hossain.weatheralert.ui.serviceConfig
 import dev.hossain.weatheralert.ui.theme.WeatherAlertAppTheme
+import dev.hossain.weatheralert.ui.theme.dimensions
 import dev.hossain.weatheralert.util.Analytics
 import kotlinx.coroutines.launch
 import kotlinx.parcelize.Parcelize
@@ -376,7 +377,7 @@ fun AddNewWeatherAlertScreen(
                 modifier
                     .fillMaxSize()
                     .padding(contentPaddingValues)
-                    .padding(horizontal = 24.dp)
+                    .padding(horizontal = MaterialTheme.dimensions.horizontalScreenPadding)
                     .verticalScroll(rememberScrollState()),
             verticalArrangement = Arrangement.spacedBy(24.dp),
         ) {

app/src/main/java/dev/hossain/weatheralert/ui/addapikey/ByoApiKeyScreen.kt

@@ -71,6 +71,7 @@ import dev.hossain.weatheralert.ui.WeatherServiceLogoConfig
 import dev.hossain.weatheralert.ui.alertslist.CurrentWeatherAlertScreen
 import dev.hossain.weatheralert.ui.serviceConfig
 import dev.hossain.weatheralert.ui.theme.WeatherAlertAppTheme
+import dev.hossain.weatheralert.ui.theme.dimensions
 import dev.hossain.weatheralert.util.Analytics
 import kotlinx.coroutines.launch
 import kotlinx.parcelize.Parcelize
@@ -271,7 +272,7 @@ fun BringYourOwnApiKeyScreen(
                 modifier
                     .fillMaxSize()
                     .padding(contentPaddingValues)
-                    .padding(horizontal = 24.dp)
+                    .padding(horizontal = MaterialTheme.dimensions.horizontalScreenPadding)
                     .verticalScroll(rememberScrollState()),
             verticalArrangement = Arrangement.spacedBy(24.dp),
         ) {

app/src/main/java/dev/hossain/weatheralert/ui/alertslist/CurrentAlertScreen.kt

@@ -94,6 +94,7 @@ import dev.hossain.weatheralert.network.NetworkMonitor
 import dev.hossain.weatheralert.ui.addalert.AddNewWeatherAlertScreen
 import dev.hossain.weatheralert.ui.details.WeatherAlertDetailsScreen
 import dev.hossain.weatheralert.ui.settings.UserSettingsScreen
+import dev.hossain.weatheralert.ui.theme.dimensions
 import dev.hossain.weatheralert.util.Analytics
 import dev.hossain.weatheralert.util.formatUnit
 import dev.hossain.weatheralert.util.parseMarkdown
@@ -377,7 +378,11 @@ fun AlertTileGrid(
 ) {
     LazyColumn(
         modifier = Modifier.fillMaxSize(),
-        contentPadding = PaddingValues(vertical = 12.dp, horizontal = 16.dp),
+        contentPadding =
+            PaddingValues(
+                vertical = MaterialTheme.dimensions.verticalScreenPadding,
+                horizontal = MaterialTheme.dimensions.horizontalScreenPadding,
+            ),
     ) {
         itemsIndexed(
             items = tiles,

app/src/main/java/dev/hossain/weatheralert/ui/alertslist/EmptyAlertView.kt

@@ -23,6 +23,7 @@ import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.dp
 import dev.hossain.weatheralert.R
 import dev.hossain.weatheralert.ui.theme.WeatherAlertAppTheme
+import dev.hossain.weatheralert.ui.theme.dimensions
 
 @Composable
 fun EmptyAlertState(modifier: Modifier = Modifier) {
@@ -31,7 +32,7 @@ fun EmptyAlertState(modifier: Modifier = Modifier) {
             modifier
                 .fillMaxSize()
                 .verticalScroll(rememberScrollState())
-                .padding(horizontal = 24.dp),
+                .padding(horizontal = MaterialTheme.dimensions.horizontalScreenPadding),
         verticalArrangement = Arrangement.Center,
         horizontalAlignment = Alignment.CenterHorizontally,
     ) {
@@ -78,7 +79,11 @@ fun EmptyAlertState(modifier: Modifier = Modifier) {
                         .alpha(0.9f),
                 contentDescription = "Tomorrow.io Logo",
             )
-            Image(
+
+            // Open-Mateo is disabled due to some inconsistencies discovered
+            // See https://github.com/hossain-khan/android-weather-alert/pull/165
+
+            /*Image(
                 painter = painterResource(id = R.drawable.open_mateo_logo),
                 modifier =
                     Modifier
@@ -89,7 +94,7 @@ fun EmptyAlertState(modifier: Modifier = Modifier) {
                         // Reduces intensity by a bit
                         .alpha(0.9f),
                 contentDescription = "Tomorrow.io Logo",
-            )
+            )*/
         }
     }
 }

app/src/main/java/dev/hossain/weatheralert/ui/details/WeatherAlertDetails.kt

@@ -65,6 +65,7 @@ import dev.hossain.weatheralert.db.UserCityAlert
 import dev.hossain.weatheralert.di.AppScope
 import dev.hossain.weatheralert.ui.serviceConfig
 import dev.hossain.weatheralert.ui.theme.WeatherAlertAppTheme
+import dev.hossain.weatheralert.ui.theme.dimensions
 import dev.hossain.weatheralert.util.Analytics
 import dev.hossain.weatheralert.util.formatToDate
 import dev.hossain.weatheralert.util.formatUnit
@@ -211,7 +212,7 @@ fun WeatherAlertDetailsScreen(
                 modifier
                     .fillMaxSize()
                     .padding(contentPaddingValues)
-                    .padding(horizontal = 24.dp)
+                    .padding(horizontal = MaterialTheme.dimensions.horizontalScreenPadding)
                     .verticalScroll(rememberScrollState()),
             verticalArrangement = Arrangement.spacedBy(16.dp),
         ) {

app/src/main/java/dev/hossain/weatheralert/ui/settings/UserSettingsScreen.kt

@@ -69,6 +69,7 @@ import dev.hossain.weatheralert.di.AppScope
 import dev.hossain.weatheralert.ui.addapikey.BringYourOwnApiKeyScreen
 import dev.hossain.weatheralert.ui.serviceConfig
 import dev.hossain.weatheralert.ui.theme.WeatherAlertAppTheme
+import dev.hossain.weatheralert.ui.theme.dimensions
 import dev.hossain.weatheralert.util.Analytics
 import dev.hossain.weatheralert.work.scheduleWeatherAlertsWork
 import dev.hossain.weatheralert.work.supportedWeatherUpdateInterval
@@ -190,13 +191,13 @@ fun UserSettingsScreen(
                 },
             )
         },
-    ) { padding ->
+    ) { contentPaddingValues ->
         Column(
             modifier =
                 modifier
                     .fillMaxSize()
-                    .padding(padding)
-                    .padding(horizontal = 16.dp)
+                    .padding(contentPaddingValues)
+                    .padding(horizontal = MaterialTheme.dimensions.horizontalScreenPadding)
                     .verticalScroll(rememberScrollState()),
             verticalArrangement = Arrangement.spacedBy(16.dp),
         ) {

app/src/main/java/dev/hossain/weatheralert/ui/theme/Dimension.kt

@@ -0,0 +1,86 @@
+package dev.hossain.weatheralert.ui.theme
+
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.staticCompositionLocalOf
+import androidx.compose.ui.unit.Dp
+import androidx.compose.ui.unit.dp
+import androidx.window.core.layout.WindowWidthSizeClass
+
+// For background, see:
+// - https://github.com/hossain-khan/android-weather-alert/issues/126
+// - https://bsky.app/profile/hossain.dev/post/3lflhafgn622p
+
+/**
+ * Data class to hold dimension values for padding and screen spacing.
+ */
+data class Dimensions(
+    val smallPadding: Dp,
+    val mediumPadding: Dp,
+    val largePadding: Dp,
+    val horizontalScreenPadding: Dp,
+    val verticalScreenPadding: Dp,
+)
+
+/**
+ * CompositionLocal to provide the current Dimensions instance.
+ */
+val LocalDimensions =
+    staticCompositionLocalOf {
+        Dimensions(
+            smallPadding = 16.dp,
+            mediumPadding = 24.dp,
+            largePadding = 32.dp,
+            horizontalScreenPadding = 16.dp,
+            verticalScreenPadding = 16.dp,
+        )
+    }
+
+/**
+ * Extension property to access the current Dimensions instance from MaterialTheme.
+ */
+val MaterialTheme.dimensions: Dimensions
+    @Composable
+    get() = LocalDimensions.current
+
+/**
+ * Extension function to get Dimensions based on the WindowWidthSizeClass.
+ *
+ * @receiver WindowWidthSizeClass The current window size class.
+ * @return Dimensions The corresponding Dimensions instance.
+ */
+internal fun WindowWidthSizeClass.dimensions(): Dimensions =
+    when (this) {
+        WindowWidthSizeClass.COMPACT ->
+            Dimensions(
+                smallPadding = 8.dp,
+                mediumPadding = 16.dp,
+                largePadding = 24.dp,
+                horizontalScreenPadding = 16.dp,
+                verticalScreenPadding = 16.dp,
+            )
+        WindowWidthSizeClass.MEDIUM ->
+            Dimensions(
+                smallPadding = 16.dp,
+                mediumPadding = 24.dp,
+                largePadding = 32.dp,
+                horizontalScreenPadding = 48.dp,
+                verticalScreenPadding = 24.dp,
+            )
+        WindowWidthSizeClass.EXPANDED ->
+            Dimensions(
+                smallPadding = 24.dp,
+                mediumPadding = 32.dp,
+                largePadding = 40.dp,
+                horizontalScreenPadding = 64.dp,
+                verticalScreenPadding = 24.dp,
+            )
+        else ->
+            Dimensions(
+                smallPadding = 16.dp,
+                mediumPadding = 24.dp,
+                largePadding = 32.dp,
+                horizontalScreenPadding = 16.dp,
+                verticalScreenPadding = 16.dp,
+            )
+    }

app/src/main/java/dev/hossain/weatheralert/ui/theme/Theme.kt

@@ -7,6 +7,7 @@ import androidx.compose.material3.dynamicDarkColorScheme
 import androidx.compose.material3.dynamicLightColorScheme
 import androidx.compose.material3.lightColorScheme
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.CompositionLocalProvider
 import androidx.compose.ui.platform.LocalContext
 
 private val DarkColorScheme =
@@ -34,6 +35,7 @@ fun WeatherAlertAppTheme(
     darkTheme: Boolean = isSystemInDarkTheme(),
     // Dynamic color is available on Android 12+
     dynamicColor: Boolean = true,
+    dimensions: Dimensions = LocalDimensions.current,
     content: @Composable () -> Unit,
 ) {
     val colorScheme =
@@ -47,9 +49,15 @@ fun WeatherAlertAppTheme(
             else -> LightColorScheme
         }
 
-    MaterialTheme(
-        colorScheme = colorScheme,
-        typography = AppTypography,
-        content = content,
-    )
+    // CompositionLocalProvider binds values to ProvidableCompositionLocal keys.
+    // https://developer.android.com/develop/ui/compose/compositionlocal
+    CompositionLocalProvider(
+        LocalDimensions provides dimensions,
+    ) {
+        MaterialTheme(
+            colorScheme = colorScheme,
+            typography = AppTypography,
+            content = content,
+        )
+    }
 }