m3 expressive theme and full screen loader

revert pre-loading non-main screens

core/ui/src/main/kotlin/dev/meloda/fast/ui/components/FullScreenLoader.kt

@@ -3,12 +3,15 @@ package dev.meloda.fast.ui.components
 import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.navigationBarsPadding
-import androidx.compose.material3.CircularProgressIndicator
+import androidx.compose.material3.ContainedLoadingIndicator
+import androidx.compose.material3.ExperimentalMaterial3ExpressiveApi
+import androidx.compose.material3.MaterialTheme
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.tooling.preview.Preview
 
+@OptIn(ExperimentalMaterial3ExpressiveApi::class)
 @Composable
 fun FullScreenLoader(modifier: Modifier = Modifier) {
     Box(
@@ -17,7 +20,10 @@ fun FullScreenLoader(modifier: Modifier = Modifier) {
             .navigationBarsPadding(),
         contentAlignment = Alignment.Center
     ) {
-        CircularProgressIndicator()
+        ContainedLoadingIndicator(
+            containerColor = MaterialTheme.colorScheme.primary,
+            indicatorColor = MaterialTheme.colorScheme.primaryContainer
+        )
     }
 }
 

core/ui/src/main/kotlin/dev/meloda/fast/ui/theme/AppTheme.kt

@@ -4,6 +4,8 @@ import android.app.Activity
 import android.os.Build
 import androidx.compose.animation.animateColorAsState
 import androidx.compose.material3.ColorScheme
+import androidx.compose.material3.ExperimentalMaterial3ExpressiveApi
+import androidx.compose.material3.MaterialExpressiveTheme
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.darkColorScheme
 import androidx.compose.material3.dynamicDarkColorScheme
@@ -142,6 +144,7 @@ fun <T: NavController> ProvidableCompositionLocal<T?>.getOrThrow(): T {
     return requireNotNull(current)
 }
 
+@OptIn(ExperimentalMaterial3ExpressiveApi::class)
 @Composable
 fun AppTheme(
     predefinedColorScheme: ColorScheme? = null,
@@ -213,7 +216,7 @@ fun AppTheme(
         }
     }
 
-    MaterialTheme(
+    MaterialExpressiveTheme(
         colorScheme = (predefinedColorScheme ?: colorScheme)
             .copy(
                 primary = colorPrimary,