- Nur ArcGIS Karte implementiert

- in toml arcgis libraries hinzugefügt
- mindSdk von 27 auf 28 gesetzt

app/src/main/java/com/example/snapandsolve/MapViewModel.kt

@@ -1,8 +1,64 @@
 package com.example.snapandsolve
 
 import android.app.Application
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.setValue
 import androidx.lifecycle.AndroidViewModel
+import androidx.lifecycle.viewModelScope
+import com.arcgismaps.data.ArcGISFeature
+import com.arcgismaps.data.CodedValueDomain
+import com.arcgismaps.data.ServiceFeatureTable
+import com.arcgismaps.mapping.ArcGISMap
+import com.arcgismaps.mapping.BasemapStyle
+import com.arcgismaps.mapping.Viewpoint
+import com.arcgismaps.mapping.layers.FeatureLayer
+import com.arcgismaps.toolkit.geoviewcompose.MapViewProxy
+import kotlinx.coroutines.launch
 
 class MapViewModel(application: Application ): AndroidViewModel(application) {
+    val map: ArcGISMap = ArcGISMap(BasemapStyle.OpenOsmStyle).apply {
+        initialViewpoint = Viewpoint(53.14, 8.20, 20000.0)
+    }
 
+
+    /*
+    ALLES UNTER DIESEM KOMMENTAR WIRD NICHT GENUTZT. Aber EVENTUELL nötig zum einbinden von
+    Layer und Features.
+     */
+    // Hold a reference to the selected feature.
+    var selectedFeature: ArcGISFeature? by mutableStateOf(null)
+    val mapViewProxy = MapViewProxy()
+
+    //var currentFeatureOperation by mutableStateOf(FeatureOperationType.CREATE)
+
+    lateinit var featureLayer: FeatureLayer
+
+    // Create a snackbar message to display the result of feature operations.
+    var snackBarMessage: String by mutableStateOf("")
+
+    lateinit var serviceFeatureTable: ServiceFeatureTable
+
+    var currentDamageType by mutableStateOf("")
+
+    // The list of damage types to update the feature attribute.
+    var damageTypeList: List<String> = mutableListOf()
+
+    init {
+        viewModelScope.launch {
+            serviceFeatureTable = ServiceFeatureTable("https://services9.arcgis.com/UVxdrlZq3S3gqt7w/ArcGIS/rest/services/StrassenSchaeden/FeatureServer/0")
+            serviceFeatureTable.load().onSuccess {
+                // Get the field from the feature table that will be updated.
+                val typeDamageField = serviceFeatureTable.fields.first { it.name == "Typ" }
+                // Get the coded value domain for the field.
+                val attributeDomain = typeDamageField.domain as CodedValueDomain
+                // Add the damage types to the list.
+                attributeDomain.codedValues.forEach {
+                    damageTypeList += it.name
+                }
+            }
+            featureLayer = FeatureLayer.createWithFeatureTable(serviceFeatureTable)
+            map.operationalLayers.add(featureLayer)
+        }
+    }
 }