add viewmodel to the micro app

Author: puneet-pdx

microapps/MapComposeApp/app/src/main/java/com/arcgismaps/toolkit/mapcomposeapp/screens/MainScreen.kt

@@ -29,9 +29,9 @@ import com.arcgismaps.toolkit.geocompose.MapState
 @Composable
 fun MainScreen() {
 
-    val mapState = MapState(arcGISMap = ArcGISMap(BasemapStyle.ArcGISStreets))
+    val mapModel = MapModel(arcGISMap = ArcGISMap(BasemapStyle.ArcGISImagery))
     Map(
         modifier = Modifier.fillMaxSize(),
-        mapState = mapState,
+        mapState = mapModel.mapState,
     )
 }

microapps/MapComposeApp/app/src/main/java/com/arcgismaps/toolkit/mapcomposeapp/screens/MapModel.kt

@@ -0,0 +1,29 @@
+/*
+ *  Copyright 2023 Esri
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ *
+ */
+
+package com.arcgismaps.toolkit.mapcomposeapp.screens
+
+import androidx.lifecycle.ViewModel
+import com.arcgismaps.mapping.ArcGISMap
+import com.arcgismaps.toolkit.geocompose.MapState
+
+class MapModel(
+    arcGISMap: ArcGISMap
+) : ViewModel() {
+
+    val mapState: MapState = MapState(arcGISMap)
+}