Fixes alerts

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

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

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

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

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

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

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

@@ -135,7 +135,7 @@ private async Task QueryAndBufferFeatures()
             }
             catch (Exception e)
             {
-                await DisplayAlert("Error", e.Message, "OK");
+                await Application.Current.Windows[0].Page.DisplayAlert("Error", e.Message, "OK");
             }
         }
 
@@ -163,7 +163,7 @@ private async Task CreateNewEmptyFeature(Esri.ArcGISRuntime.Maui.GeoViewInputEve
             }
             catch (Exception ex)
             {
-                await DisplayAlert("Error", ex.Message, "OK");
+                await Application.Current.Windows[0].Page.DisplayAlert("Error", ex.Message, "OK");
             }
         }
 
@@ -197,7 +197,7 @@ private async Task<List<string>> GetContingentValues(string field, string fieldG
             }
             catch (Exception e)
             {
-                await DisplayAlert("Error", e.Message, "OK");
+                await Application.Current.Windows[0].Page.DisplayAlert("Error", e.Message, "OK");
             }
 
             return contingentValuesNamesList;
@@ -250,7 +250,7 @@ private async Task DiscardFeature()
             }
             catch (Exception e)
             {
-                await DisplayAlert("Error", e.Message, "OK");
+                await Application.Current.Windows[0].Page.DisplayAlert("Error", e.Message, "OK");
             }
         }
 
@@ -274,13 +274,13 @@ private async Task UpdateField(string field, object value)
                         break;
 
                     default:
-                        await DisplayAlert("Error", $"{field} not found in any of the data dictionaries.", "OK");
+                        await Application.Current.Windows[0].Page.DisplayAlert("Error", $"{field} not found in any of the data dictionaries.", "OK");
                         break;
                 }
             }
             catch (Exception e)
             {
-                await DisplayAlert("Error", e.Message, "OK");
+                await Application.Current.Windows[0].Page.DisplayAlert("Error", e.Message, "OK");
             }
         }
 
@@ -344,7 +344,7 @@ private async Task SaveFeature()
             }
             else
             {
-                await DisplayAlert("Error", $"Error saving feature. {numberOfViolations} violation(s) in field group(s) {string.Join(", ", fieldGroupNames)}.", "OK");
+                await Application.Current.Windows[0].Page.DisplayAlert("Error", $"Error saving feature. {numberOfViolations} violation(s) in field group(s) {string.Join(", ", fieldGroupNames)}.", "OK");
             }
         }
 

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

@@ -101,7 +101,7 @@ private async Task CreateGeodatabase()
             }
             catch (Exception ex)
             {
-                await DisplayAlert(ex.GetType().Name, ex.Message, "OK");
+                await Application.Current.Windows[0].Page.DisplayAlert(ex.GetType().Name, ex.Message, "OK");
             }
         }
 
@@ -131,7 +131,7 @@ private async Task AddFeature(MapPoint location)
             }
             catch (Exception ex)
             {
-                await DisplayAlert(ex.GetType().Name, ex.Message, "OK");
+                await Application.Current.Windows[0].Page.DisplayAlert(ex.GetType().Name, ex.Message, "OK");
             }
         }
 
@@ -195,7 +195,7 @@ await Share.RequestAsync(new ShareFileRequest
             }
             catch (Exception ex)
             {
-                await DisplayAlert(ex.GetType().Name, ex.Message, "OK");
+                await Application.Current.Windows[0].Page.DisplayAlert(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 DisplayAlert("Error", ex.ToString(), "OK");
+                await Application.Current.Windows[0].Page.DisplayAlert("Error", ex.ToString(), "OK");
             }
         }
 
@@ -227,7 +227,7 @@ private async void GeoViewTapped(object sender, GeoViewInputEventArgs e)
             }
             catch (Exception ex)
             {
-                await DisplayAlert("Error", ex.ToString(), "OK");
+                await Application.Current.Windows[0].Page.DisplayAlert("Error", ex.ToString(), "OK");
             }
         }
 
@@ -373,7 +373,7 @@ private async Task HandleGenerationStatusChange(GenerateGeodatabaseJob job)
                 }
 
                 // Show the message.
-                await DisplayAlert("Error", message, "OK");
+                await Application.Current.Windows[0].Page.DisplayAlert("Error", message, "OK");
             }
         }
 
@@ -481,7 +481,7 @@ private async void GenerateButton_Clicked(object sender, EventArgs e)
             }
             catch (Exception ex)
             {
-                await DisplayAlert("Error", ex.ToString(), "OK");
+                await Application.Current.Windows[0].Page.DisplayAlert("Error", ex.ToString(), "OK");
             }
         }
 
@@ -512,7 +512,7 @@ private async void SyncButton_Click(object sender, EventArgs e)
             }
             catch (Exception ex)
             {
-                await DisplayAlert("Alert", ex.ToString(), "OK");
+                await Application.Current.Windows[0].Page.DisplayAlert("Alert", ex.ToString(), "OK");
             }
         }
     }

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

@@ -62,7 +62,7 @@ private async Task Initialize()
             }
             catch (Exception ex)
             {
-                await DisplayAlert("Error", ex.ToString(), "OK");
+                await Application.Current.Windows[0].Page.DisplayAlert("Error", ex.ToString(), "OK");
             }
         }
 
@@ -106,7 +106,7 @@ private async void MapView_Tapped(object sender, Esri.ArcGISRuntime.Maui.GeoView
             }
             catch (Exception ex)
             {
-                await DisplayAlert("Error selecting feature", ex.ToString(), "OK");
+                await Application.Current.Windows[0].Page.DisplayAlert("Error selecting feature", ex.ToString(), "OK");
             }
         }
 

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

@@ -58,7 +58,7 @@ private async Task Initialize()
             }
             catch (Exception ex)
             {
-                await DisplayAlert("Error", ex.Message, "OK");
+                await Application.Current.Windows[0].Page.DisplayAlert("Error", ex.Message, "OK");
             }
         }
 
@@ -113,7 +113,7 @@ private async Task SelectFeature(Point clickedPoint)
             }
             catch (Exception ex)
             {
-                await DisplayAlert("Error", ex.Message, "OK");
+                await Application.Current.Windows[0].Page.DisplayAlert("Error", ex.Message, "OK");
             }
         }
 
@@ -170,7 +170,7 @@ private async void OkClick(object sender, System.EventArgs e)
             }
             catch (Exception ex)
             {
-                await DisplayAlert("Error", ex.Message, "OK");
+                await Application.Current.Windows[0].Page.DisplayAlert("Error", ex.Message, "OK");
             }
             finally
             {

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

@@ -48,7 +48,7 @@ private async Task Initialize()
             }
             catch (Exception ex)
             {
-                await DisplayAlert("Error", ex.Message, "OK");
+                await Application.Current.Windows[0].Page.DisplayAlert("Error", ex.Message, "OK");
             }
         }
 
@@ -74,7 +74,7 @@ private async void MyMapView_GeoViewTapped(object sender, Esri.ArcGISRuntime.Mau
             }
             catch (Exception ex)
             {
-                await DisplayAlert("Error", ex.Message, "OK");
+                await Application.Current.Windows[0].Page.DisplayAlert("Error", ex.Message, "OK");
             }
         }
 
@@ -115,7 +115,7 @@ private async void SaveButton_Clicked(object sender, EventArgs e)
             }
             catch (Exception ex)
             {
-                await DisplayAlert("Error", ex.Message, "OK");
+                await Application.Current.Windows[0].Page.DisplayAlert("Error", ex.Message, "OK");
             }
         }
 

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

@@ -128,12 +128,12 @@ private async Task QueryStateFeature(string stateName)
                 }
                 else
                 {
-                    await DisplayAlert("State Not Found!", "Add a valid state name.", "OK");
+                    await Application.Current.Windows[0].Page.DisplayAlert("State Not Found!", "Add a valid state name.", "OK");
                 }
             }
             catch (Exception)
             {
-                await DisplayAlert("Sample error", "An error occurred", "OK");
+                await Application.Current.Windows[0].Page.DisplayAlert("Sample error", "An error occurred", "OK");
             }
         }
     }

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

@@ -111,7 +111,7 @@ private async Task Initialize()
             }
             catch (Exception ex)
             {
-                await DisplayAlert("Error", ex.ToString(), "OK");
+                await Application.Current.Windows[0].Page.DisplayAlert("Error", ex.ToString(), "OK");
             }
         }
 
@@ -218,7 +218,7 @@ private async Task HandleGenerationStatusChange(GenerateGeodatabaseJob job, Geod
                 await _gdbSyncTask.UnregisterGeodatabaseAsync(resultGdb);
 
                 // Tell the user that the geodatabase was unregistered.
-                await DisplayAlert("Alert", "Since no edits will be made, the local geodatabase has been unregistered per best practice.", "OK");
+                await Application.Current.Windows[0].Page.DisplayAlert("Alert", "Since no edits will be made, the local geodatabase has been unregistered per best practice.", "OK");
 
                 // Re-enable generate button.
                 MyGenerateButton.IsEnabled = true;
@@ -241,7 +241,7 @@ private async Task HandleGenerationStatusChange(GenerateGeodatabaseJob job, Geod
                     message += ": " + String.Join("\n", job.Messages.Select(m => m.Message));
                 }
 
-                await DisplayAlert("Alert", message, "OK");
+                await Application.Current.Windows[0].Page.DisplayAlert("Alert", message, "OK");
             }
         }
 
@@ -260,7 +260,7 @@ private async void GenerateButton_Clicked(object sender, EventArgs e)
             }
             catch (Exception ex)
             {
-                await DisplayAlert("Error", ex.ToString(), "OK");
+                await Application.Current.Windows[0].Page.DisplayAlert("Error", ex.ToString(), "OK");
             }
         }
 

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

@@ -299,7 +299,7 @@ private async void StopEditTransaction(object sender, EventArgs e)
             }
             catch (Exception ex)
             {
-                await DisplayAlert("Error", ex.Message, "OK");
+                await Application.Current.Windows[0].Page.DisplayAlert("Error", ex.Message, "OK");
             }
         }
 

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

@@ -65,7 +65,7 @@ private async Task Initialize()
             }
             catch (Exception e)
             {
-                await DisplayAlert("Error", e.ToString(), "OK");
+                await Application.Current.Windows[0].Page.DisplayAlert("Error", e.ToString(), "OK");
             }
         }
 
@@ -132,7 +132,7 @@ private async void MyMapViewOnGeoViewTapped(object sender, GeoViewInputEventArgs
             }
             catch (Exception ex)
             {
-                await DisplayAlert("Error", ex.ToString(), "OK");
+                await Application.Current.Windows[0].Page.DisplayAlert("Error", ex.ToString(), "OK");
             }
         }
     }