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Revisit Identify layer features sample #177

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Mar 11, 2024
Merged

Revisit Identify layer features sample #177

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e5e2e5c
reflect changes in toolkit
ruiqima Mar 7, 2024
fd159ff
Update MapViewModel.kt
ruiqima Mar 7, 2024
0535683
resolve comments
ruiqima Mar 11, 2024
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18 changes: 16 additions & 2 deletions ...src/main/java/com/esri/arcgismaps/sample/identifylayerfeatures/components/MapViewModel.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -21,8 +21,11 @@ import androidx.compose.runtime.mutableStateOf
import androidx.compose.ui.unit.dp
import androidx.lifecycle.AndroidViewModel
import com.arcgismaps.data.ServiceFeatureTable
import com.arcgismaps.geometry.Point
import com.arcgismaps.geometry.SpatialReference
import com.arcgismaps.mapping.ArcGISMap
import com.arcgismaps.mapping.BasemapStyle
import com.arcgismaps.mapping.Viewpoint
import com.arcgismaps.mapping.layers.ArcGISMapImageLayer
import com.arcgismaps.mapping.layers.FeatureLayer.Companion.createWithFeatureTable
import com.arcgismaps.mapping.view.IdentifyLayerResult
Expand Down Expand Up @@ -71,14 +74,25 @@ class MapViewModel(
}

// add the world cities layer with and the damaged properties feature layer
map.operationalLayers.addAll(listOf(mapImageLayer, featureLayer))
map.apply {
// set initial Viewpoint to North America
initialViewpoint = Viewpoint(
center = Point(
x = -10977012.785807,
y = 4514257.550369,
spatialReference = SpatialReference(wkid = 3857)
),
scale = 68015210.0
)
operationalLayers.addAll(listOf(mapImageLayer, featureLayer))
}

}

/**
* Identify the feature layer results and display the resulting information
*/
fun handleIdentifyResult(result: Result<List<IdentifyLayerResult>>) {
private fun handleIdentifyResult(result: Result<List<IdentifyLayerResult>>) {
sampleCoroutineScope.launch {
result.onSuccess { identifyResultList ->
val message = StringBuilder()
Expand Down
14 changes: 1 addition & 13 deletions ...ures/src/main/java/com/esri/arcgismaps/sample/identifylayerfeatures/screens/MainScreen.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -31,11 +31,7 @@ import androidx.compose.runtime.rememberCoroutineScope
import androidx.compose.ui.Modifier
import androidx.compose.ui.platform.LocalContext
import androidx.compose.ui.unit.dp
import com.arcgismaps.geometry.Point
import com.arcgismaps.geometry.SpatialReference
import com.arcgismaps.mapping.Viewpoint
import com.arcgismaps.toolkit.geocompose.MapView
import com.arcgismaps.toolkit.geocompose.MapViewpointOperation
import com.esri.arcgismaps.sample.identifylayerfeatures.components.MapViewModel
import com.esri.arcgismaps.sample.sampleslib.components.MessageDialog
import com.esri.arcgismaps.sample.sampleslib.components.SampleTopAppBar
Expand All @@ -52,14 +48,7 @@ fun MainScreen(sampleName: String) {
// create a ViewModel to handle MapView interactions
val mapViewModel = remember { MapViewModel(sampleApplication, sampleCoroutineScope) }
// create a Viewpoint
val northAmericaViewpoint = Viewpoint(
center = Point(
x = -10977012.785807,
y = 4514257.550369,
spatialReference = SpatialReference(wkid = 3857)
),
scale = 68015210.0
)


Scaffold(
topBar = { SampleTopAppBar(title = sampleName) },
Expand All @@ -75,7 +64,6 @@ fun MainScreen(sampleName: String) {
.weight(1f)
.animateContentSize(),
arcGISMap = mapViewModel.map,
viewpointOperation = MapViewpointOperation.Set(viewpoint = northAmericaViewpoint),
mapViewProxy = mapViewModel.mapViewProxy,
onSingleTapConfirmed = mapViewModel::identify
)
Expand Down
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