feat(android): init basic marker and polylines

composeApp/src/commonMain/kotlin/moe/lava/banksia/App.kt

@@ -2,14 +2,16 @@ package moe.lava.banksia
 
 import androidx.compose.animation.AnimatedVisibility
 import androidx.compose.foundation.Image
+import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
-import androidx.compose.material.BottomSheetScaffold
-import androidx.compose.material.Button
-import androidx.compose.material.MaterialTheme
-import androidx.compose.material.Scaffold
-import androidx.compose.material.Text
+import androidx.compose.material3.BottomSheetScaffold
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.SheetValue
+import androidx.compose.material3.rememberBottomSheetScaffoldState
+import androidx.compose.material3.rememberStandardBottomSheetState
 import androidx.compose.runtime.*
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
@@ -20,12 +22,25 @@ import banksia.composeapp.generated.resources.Res
 import banksia.composeapp.generated.resources.compose_multiplatform
 import moe.lava.banksia.native.maps.Maps
 
+@OptIn(ExperimentalMaterial3Api::class)
 @Composable
 @Preview
 fun App() {
+    val scaffoldState = rememberBottomSheetScaffoldState(
+        bottomSheetState = rememberStandardBottomSheetState(
+            initialValue = SheetValue.Hidden,
+            skipHiddenState = false
+        )
+    )
     MaterialTheme {
-        Scaffold {
-            Maps(modifier = Modifier.fillMaxSize())
+        BottomSheetScaffold(
+            scaffoldState = scaffoldState,
+            sheetContent = { Box(modifier = Modifier) },
+        ) {
+            Maps(
+                modifier = Modifier.fillMaxSize(),
+                sheetState = scaffoldState.bottomSheetState,
+            )
         }
     }
 }