Clean up MAUI .NET 10 warnings

src/MAUI/Maui.Samples/Helpers/ArcGISLoginPrompt.cs

@@ -53,7 +53,7 @@ public static async Task<bool> EnsureAGOLCredentialAsync()
             }
             catch (Exception ex)
             {
-                await Application.Current.Windows[0].Page.DisplayAlert("Login failed", ex.Message, "OK");
+                await Application.Current.Windows[0].Page.DisplayAlertAsync("Login failed", ex.Message, "OK");
             }
             return false;
         }

src/MAUI/Maui.Samples/Helpers/FeedbackPrompt.cs

@@ -20,7 +20,7 @@ internal static class FeedbackPrompt
 
         public async static Task ShowFeedbackPromptAsync()
         {
-            await Application.Current.Windows[0].Page.DisplayActionSheet("Open an issue on GitHub:", "Cancel", null, [BugReport, FeatureRequest]).ContinueWith((result) =>
+            await Application.Current.Windows[0].Page.DisplayActionSheetAsync("Open an issue on GitHub:", "Cancel", null, [BugReport, FeatureRequest]).ContinueWith((result) =>
             {
                 switch (result.Result)
                 {

src/MAUI/Maui.Samples/Helpers/SampleLoader.cs

@@ -53,7 +53,7 @@ public static async Task LoadSample(SampleInfo sampleInfo)
                 if (sampleInfo.OfflineDataItems != null && !await DataManager.HasSampleDataPresent(sampleInfo))
                 {
                     // Ask the user for permission before downloading.
-                    bool download = await Application.Current.Windows[0].Page.DisplayAlert(
+                    bool download = await Application.Current.Windows[0].Page.DisplayAlertAsync(
                         "Download Required",
                         "This sample requires data to be downloaded. Would you like to download it now?",
                         "Download", "Cancel");
@@ -91,7 +91,7 @@ await DataManager.EnsureSampleDataPresent(sampleInfo, cancellationSource.Token,
                     await Shell.Current.Navigation.PopModalAsync(false);
                 }
 
-                await Application.Current.Windows[0].Page.DisplayAlert("", "Download cancelled", "OK");
+                await Application.Current.Windows[0].Page.DisplayAlertAsync("", "Download cancelled", "OK");
             }
             catch (Exception ex)
             {

src/MAUI/Maui.Samples/Samples/Analysis/ApplyMapAlgebra/ApplyMapAlgebra.xaml.cs

@@ -62,7 +62,7 @@ private async Task Initialize()
             }
             catch (Exception ex)
             {
-                await Application.Current.Windows[0].Page.DisplayAlert("Error", ex.Message, "OK");
+                await Application.Current.Windows[0].Page.DisplayAlertAsync("Error", ex.Message, "OK");
             }
         }
 
@@ -127,7 +127,7 @@ private async void OnCategorizeClicked(object sender, EventArgs e)
             }
             catch (Exception ex)
             {
-                await Application.Current.Windows[0].Page.DisplayAlert("Error creating geomorphic category field", ex.Message, "OK");
+                await Application.Current.Windows[0].Page.DisplayAlertAsync("Error creating geomorphic category field", ex.Message, "OK");
                 CategorizeButton.IsEnabled = true;
                 CategorizeButton.Text = "Categorize";
                 return;
@@ -149,7 +149,7 @@ private async void OnCategorizeClicked(object sender, EventArgs e)
 
                 if (exportedFiles.Count == 0 || !File.Exists(exportedFiles[0]))
                 {
-                    await Application.Current.Windows[0].Page.DisplayAlert("Export Error", "Exported geomorphic categorization file does not exist.", "OK");
+                    await Application.Current.Windows[0].Page.DisplayAlertAsync("Export Error", "Exported geomorphic categorization file does not exist.", "OK");
                     CategorizeButton.IsEnabled = true;
                     CategorizeButton.Text = "Categorize";
                     return;
@@ -166,7 +166,7 @@ private async void OnCategorizeClicked(object sender, EventArgs e)
             }
             catch (Exception ex)
             {
-                await Application.Current.Windows[0].Page.DisplayAlert("Error exporting geomorphic categorization", ex.Message, "OK");
+                await Application.Current.Windows[0].Page.DisplayAlertAsync("Error exporting geomorphic categorization", ex.Message, "OK");
                 CategorizeButton.IsEnabled = true;
                 CategorizeButton.Text = "Categorize";
             }

src/MAUI/Maui.Samples/Samples/Analysis/QueryFeatureCountAndExtent/QueryFeatureCountAndExtent.xaml.cs

@@ -79,7 +79,7 @@ private async Task Initialize()
             }
             catch (Exception e)
             {
-                await Application.Current.Windows[0].Page.DisplayAlert("Error", e.ToString(), "OK");
+                await Application.Current.Windows[0].Page.DisplayAlertAsync("Error", e.ToString(), "OK");
             }
         }
 
@@ -107,7 +107,7 @@ private async void StatesPicker_SelectionChanged(object sender, EventArgs e)
             }
             catch (Exception ex)
             {
-                await Application.Current.Windows[0].Page.DisplayAlert("Error", ex.ToString(), "OK");
+                await Application.Current.Windows[0].Page.DisplayAlertAsync("Error", ex.ToString(), "OK");
             }
         }
 
@@ -134,7 +134,7 @@ private async void CountFeaturesButton_Click(object sender, EventArgs e)
             }
             catch (Exception ex)
             {
-                await Application.Current.Windows[0].Page.DisplayAlert("Error", ex.ToString(), "OK");
+                await Application.Current.Windows[0].Page.DisplayAlertAsync("Error", ex.ToString(), "OK");
             }
         }
     }

src/MAUI/Maui.Samples/Samples/Analysis/ShowExploratoryLineOfSightBetweenGeoelements/ShowExploratoryLineOfSightBetweenGeoelements.xaml.cs

@@ -138,7 +138,7 @@ private async Task Initialize()
             }
             catch (Exception e)
             {
-                await Application.Current.Windows[0].Page.DisplayAlert("Error", e.ToString(), "OK");
+                await Application.Current.Windows[0].Page.DisplayAlertAsync("Error", e.ToString(), "OK");
             }
         }
 

src/MAUI/Maui.Samples/Samples/Analysis/ShowExploratoryViewshedFromGeoelementInScene/ShowExploratoryViewshedFromGeoelementInScene.xaml.cs

@@ -135,7 +135,7 @@ private async Task Initialize()
             }
             catch (Exception e)
             {
-                await Application.Current.Windows[0].Page.DisplayAlert("Error", e.ToString(), "OK");
+                await Application.Current.Windows[0].Page.DisplayAlertAsync("Error", e.ToString(), "OK");
             }
         }
 

src/MAUI/Maui.Samples/Samples/Analysis/ShowInteractiveViewshedInAnalysisOverlay/ShowInteractiveViewshedInAnalysisOverlay.xaml.cs

@@ -133,7 +133,7 @@ private async Task Initialize()
             }
             catch (Exception ex)
             {
-                await Application.Current.Windows[0].Page.DisplayAlert("Error initializing viewshed", ex.Message, "OK");
+                await Application.Current.Windows[0].Page.DisplayAlertAsync("Error initializing viewshed", ex.Message, "OK");
             }
         }
 

src/MAUI/Maui.Samples/Samples/Data/AddFeaturesWithContingentValues/AddFeaturesWithContingentValues.xaml.cs

@@ -135,7 +135,7 @@ private async Task QueryAndBufferFeatures()
             }
             catch (Exception e)
             {
-                await Application.Current.Windows[0].Page.DisplayAlert("Error", e.Message, "OK");
+                await Application.Current.Windows[0].Page.DisplayAlertAsync("Error", e.Message, "OK");
             }
         }
 
@@ -163,7 +163,7 @@ private async Task CreateNewEmptyFeature(Esri.ArcGISRuntime.Maui.GeoViewInputEve
             }
             catch (Exception ex)
             {
-                await Application.Current.Windows[0].Page.DisplayAlert("Error", ex.Message, "OK");
+                await Application.Current.Windows[0].Page.DisplayAlertAsync("Error", ex.Message, "OK");
             }
         }
 
@@ -197,7 +197,7 @@ private async Task<List<string>> GetContingentValues(string field, string fieldG
             }
             catch (Exception e)
             {
-                await Application.Current.Windows[0].Page.DisplayAlert("Error", e.Message, "OK");
+                await Application.Current.Windows[0].Page.DisplayAlertAsync("Error", e.Message, "OK");
             }
 
             return contingentValuesNamesList;
@@ -250,7 +250,7 @@ private async Task DiscardFeature()
             }
             catch (Exception e)
             {
-                await Application.Current.Windows[0].Page.DisplayAlert("Error", e.Message, "OK");
+                await Application.Current.Windows[0].Page.DisplayAlertAsync("Error", e.Message, "OK");
             }
         }
 
@@ -274,13 +274,13 @@ private async Task UpdateField(string field, object value)
                         break;
 
                     default:
-                        await Application.Current.Windows[0].Page.DisplayAlert("Error", $"{field} not found in any of the data dictionaries.", "OK");
+                        await Application.Current.Windows[0].Page.DisplayAlertAsync("Error", $"{field} not found in any of the data dictionaries.", "OK");
                         break;
                 }
             }
             catch (Exception e)
             {
-                await Application.Current.Windows[0].Page.DisplayAlert("Error", e.Message, "OK");
+                await Application.Current.Windows[0].Page.DisplayAlertAsync("Error", e.Message, "OK");
             }
         }
 
@@ -345,7 +345,7 @@ private async Task SaveFeature()
             }
             else
             {
-                await Application.Current.Windows[0].Page.DisplayAlert("Error", $"Error saving feature. {numberOfViolations} violation(s) in field group(s) {string.Join(", ", fieldGroupNames)}.", "OK");
+                await Application.Current.Windows[0].Page.DisplayAlertAsync("Error", $"Error saving feature. {numberOfViolations} violation(s) in field group(s) {string.Join(", ", fieldGroupNames)}.", "OK");
             }
         }
 

src/MAUI/Maui.Samples/Samples/Data/AddRastersAndFeatureTablesFromGeopackage/AddRastersAndFeatureTablesFromGeopackage.xaml.cs

@@ -75,7 +75,7 @@ private async Task Initialize()
             }
             catch (Exception e)
             {
-                await Application.Current.Windows[0].Page.DisplayAlert("Error", e.ToString(), "OK");
+                await Application.Current.Windows[0].Page.DisplayAlertAsync("Error", e.ToString(), "OK");
             }
         }
 

src/MAUI/Maui.Samples/Samples/Data/CreateMobileGeodatabase/CreateMobileGeodatabase.xaml

@@ -36,8 +36,10 @@
                 WidthRequest="{OnIdiom Default=-1,
                                        Desktop=450}">
             <Grid RowDefinitions="*,auto">
-                <ListView x:Name="FeatureListView" Grid.Row="0">
-                    <ListView.Header>
+                <CollectionView x:Name="FeatureListView"
+                                Grid.Row="0"
+                                SelectionMode="None">
+                    <CollectionView.Header>
                         <Grid ColumnDefinitions="*,*">
                             <Label Grid.Column="0"
                                    FontAttributes="Bold"
@@ -50,24 +52,22 @@
                                    HorizontalTextAlignment="Center"
                                    Text="Collection Timestamp" />
                         </Grid>
-                    </ListView.Header>
-                    <ListView.ItemTemplate>
+                    </CollectionView.Header>
+                    <CollectionView.ItemTemplate>
                         <DataTemplate x:DataType="esri:Feature">
-                            <ViewCell>
-                                <Grid ColumnDefinitions="*,*">
-                                    <Label Grid.Column="0"
-                                           HorizontalOptions="Fill"
-                                           HorizontalTextAlignment="Center"
-                                           Text="{Binding Path=Attributes[oid]}" />
-                                    <Label Grid.Column="1"
-                                           HorizontalOptions="Fill"
-                                           HorizontalTextAlignment="Center"
-                                           Text="{Binding Path=Attributes[collection_timestamp]}" />
-                                </Grid>
-                            </ViewCell>
+                            <Grid ColumnDefinitions="*,*">
+                                <Label Grid.Column="0"
+                                       HorizontalOptions="Fill"
+                                       HorizontalTextAlignment="Center"
+                                       Text="{Binding Path=Attributes[oid]}" />
+                                <Label Grid.Column="1"
+                                       HorizontalOptions="Fill"
+                                       HorizontalTextAlignment="Center"
+                                       Text="{Binding Path=Attributes[collection_timestamp]}" />
+                            </Grid>
                         </DataTemplate>
-                    </ListView.ItemTemplate>
-                </ListView>
+                    </CollectionView.ItemTemplate>
+                </CollectionView>
                 <Button Grid.Row="1"
                         Margin="5"
                         Clicked="CloseTable"

src/MAUI/Maui.Samples/Samples/Data/CreateMobileGeodatabase/CreateMobileGeodatabase.xaml.cs

@@ -101,7 +101,7 @@ private async Task CreateGeodatabase()
             }
             catch (Exception ex)
             {
-                await Application.Current.Windows[0].Page.DisplayAlert(ex.GetType().Name, ex.Message, "OK");
+                await Application.Current.Windows[0].Page.DisplayAlertAsync(ex.GetType().Name, ex.Message, "OK");
             }
         }
 
@@ -131,7 +131,7 @@ private async Task AddFeature(MapPoint location)
             }
             catch (Exception ex)
             {
-                await Application.Current.Windows[0].Page.DisplayAlert(ex.GetType().Name, ex.Message, "OK");
+                await Application.Current.Windows[0].Page.DisplayAlertAsync(ex.GetType().Name, ex.Message, "OK");
             }
         }
 
@@ -178,7 +178,7 @@ private void CloseGeodatabaseClick(object sender, EventArgs e)
             }
             catch (Exception ex)
             {
-                DisplayAlert(ex.GetType().Name, ex.Message, "OK");
+                DisplayAlertAsync(ex.GetType().Name, ex.Message, "OK");
             }
         }
 
@@ -195,7 +195,7 @@ await Share.RequestAsync(new ShareFileRequest
             }
             catch (Exception ex)
             {
-                await Application.Current.Windows[0].Page.DisplayAlert(ex.GetType().Name, ex.Message, "OK");
+                await Application.Current.Windows[0].Page.DisplayAlertAsync(ex.GetType().Name, ex.Message, "OK");
             }
         }
 

src/MAUI/Maui.Samples/Samples/Data/EditAndSyncFeatures/EditAndSyncFeatures.xaml.cs

@@ -131,7 +131,7 @@ private async Task Initialize()
             }
             catch (Exception ex)
             {
-                await Application.Current.Windows[0].Page.DisplayAlert("Error", ex.ToString(), "OK");
+                await Application.Current.Windows[0].Page.DisplayAlertAsync("Error", ex.ToString(), "OK");
             }
         }
 
@@ -227,7 +227,7 @@ private async void GeoViewTapped(object sender, GeoViewInputEventArgs e)
             }
             catch (Exception ex)
             {
-                await Application.Current.Windows[0].Page.DisplayAlert("Error", ex.ToString(), "OK");
+                await Application.Current.Windows[0].Page.DisplayAlertAsync("Error", ex.ToString(), "OK");
             }
         }
 
@@ -373,7 +373,7 @@ private async Task HandleGenerationStatusChange(GenerateGeodatabaseJob job)
                 }
 
                 // Show the message.
-                await Application.Current.Windows[0].Page.DisplayAlert("Error", message, "OK");
+                await Application.Current.Windows[0].Page.DisplayAlertAsync("Error", message, "OK");
             }
         }
 
@@ -438,7 +438,7 @@ private void HandleSyncCompleted(SyncGeodatabaseJob job)
             // Tell the user about job completion.
             if (job.Status == JobStatus.Succeeded)
             {
-                DisplayAlert("Alert", "Geodatabase synchronization succeeded.", "OK");
+                DisplayAlertAsync("Alert", "Geodatabase synchronization succeeded.", "OK");
             }
             // See if the job failed.
             else if (job.Status == JobStatus.Failed)
@@ -462,7 +462,7 @@ private void HandleSyncCompleted(SyncGeodatabaseJob job)
                 }
 
                 // Show the message.
-                DisplayAlert("Error", message, "OK");
+                DisplayAlertAsync("Error", message, "OK");
             }
         }
 
@@ -481,7 +481,7 @@ private async void GenerateButton_Clicked(object sender, EventArgs e)
             }
             catch (Exception ex)
             {
-                await Application.Current.Windows[0].Page.DisplayAlert("Error", ex.ToString(), "OK");
+                await Application.Current.Windows[0].Page.DisplayAlertAsync("Error", ex.ToString(), "OK");
             }
         }
 
@@ -512,7 +512,7 @@ private async void SyncButton_Click(object sender, EventArgs e)
             }
             catch (Exception ex)
             {
-                await Application.Current.Windows[0].Page.DisplayAlert("Alert", ex.ToString(), "OK");
+                await Application.Current.Windows[0].Page.DisplayAlertAsync("Alert", ex.ToString(), "OK");
             }
         }
     }

src/MAUI/Maui.Samples/Samples/Data/EditBranchVersioning/EditBranchVersioning.xaml.cs

@@ -180,7 +180,7 @@ private bool VersionNameValid(string versionName)
 
         private void ShowAlert(string alertText, string titleText = "Alert")
         {
-            Application.Current.Windows[0].Page.DisplayAlert(titleText, alertText, "OK");
+            Application.Current.Windows[0].Page.DisplayAlertAsync(titleText, alertText, "OK");
         }
 
         private async void MyMapView_GeoViewTapped(object sender, Esri.ArcGISRuntime.Maui.GeoViewInputEventArgs e)