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Exception thrown when fast horizontal scrolling DataGrid in .NET 7.0 Completed

: Jul 07, 2023 12:27 PM

: Sep 25, 2023 2:05 AM

: Bug Report

: SfDataGrid

: 22.1.37

: Android

: Vol 3 2023 (Sep 15, 2023)

: Jul 07, 2023 12:27 PM

: Bug Report

: SfDataGrid

The SfDataGrid will crash after scrolling horizontally a few times and the scrolling causes lag on Android.

I have 3 columns which consist of two date columns and one text column.

The exception:

Java.Lang.IllegalArgumentException: 'Cannot add a null child view to a ViewGroup'

at Java.Interop.JniEnvironment.InstanceMethods.CallNonvirtualVoidMethod(JniObjectReference instance, JniObjectReference type, JniMethodInfo method, JniArgumentValue* args) in /Users/runner/work/1/s/xamarin-android/external/Java.Interop/src/Java.Interop/obj/Release/net7.0/JniEnvironment.g.cs:line 12324

at Java.Interop.JniPeerMembers.JniInstanceMethods.InvokeVirtualVoidMethod(String encodedMember, IJavaPeerable self, JniArgumentValue* parameters) in /Users/runner/work/1/s/xamarin-android/external/Java.Interop/src/Java.Interop/Java.Interop/JniPeerMembers.JniInstanceMethods_Invoke.cs:line 75

at Android.Views.ViewGroup.AddView(View child, Int32 index) in /Users/runner/work/1/s/xamarin-android/src/Mono.Android/obj/Release/net7.0/android-33/mcw/Android.Views.ViewGroup.cs:line 2065

at Microsoft.Maui.Handlers.LayoutHandler.Add(IView child) in D:\a\_work\1\s\src\Core\src\Handlers\Layout\LayoutHandler.Android.cs:line 54

at Syncfusion.Maui.Core.SfView.System.Collections.Generic.ICollection.Add(IView child)

at Syncfusion.Maui.Core.SfView.Add(View view)

at Syncfusion.Maui.Core.SfContentView.OnContentChanged(Object oldValue, Object newValue)

at Syncfusion.Maui.Core.SfContentView.OnContentPropertyChanged(BindableObject bindable, Object oldValue, Object newValue)

at Microsoft.Maui.Controls.BindableObject.SetValueActual(BindableProperty property, BindablePropertyContext context, Object value, Boolean currentlyApplying, SetValueFlags attributes, Boolean silent) in D:\a\_work\1\s\src\Controls\src\Core\BindableObject.cs:line 535

at Microsoft.Maui.Controls.BindableObject.SetValueCore(BindableProperty property, Object value, SetValueFlags attributes, SetValuePrivateFlags privateAttributes) in D:\a\_work\1\s\src\Controls\src\Core\BindableObject.cs:line 469

at Microsoft.Maui.Controls.BindableObject.SetValue(BindableProperty property, Object value, Boolean fromStyle, Boolean checkAccess) in D:\a\_work\1\s\src\Controls\src\Core\BindableObject.cs:line 391

at Microsoft.Maui.Controls.BindableObject.SetValue(BindableProperty property, Object value) in D:\a\_work\1\s\src\Controls\src\Core\BindableObject.cs:line 365

at Syncfusion.Maui.Core.SfContentView.set_Content(View value)

at Syncfusion.Maui.DataGrid.DataGridCellRenderer`2[[Microsoft.Maui.Controls.Label, Microsoft.Maui.Controls, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null],[Syncfusion.Maui.Inputs.SfNumericEntry, Syncfusion.Maui.Inputs, Version=22.1.37.0, Culture=neutral, PublicKeyToken=null]].OnInitializeDisplayView(DataColumnBase dataColumn, Label view)

at Syncfusion.Maui.DataGrid.DataColumn.OnInitializeColumnElement(Object rowData, Boolean isInEdit)

at Syncfusion.Maui.DataGrid.DataColumnBase.InitializeColumnElement(Object rowData, Boolean isInEdit)

at Syncfusion.Maui.DataGrid.DataRow.UpdateColumn(DataColumnBase dc, Int32 index)

at Syncfusion.Maui.DataGrid.DataRow.EnsureColumns(VisibleLinesCollection visibleColumnLines)

at Syncfusion.Maui.DataGrid.RowGenerator.EnsureColumns(VisibleLinesCollection visibleColumns)

at Syncfusion.Maui.DataGrid.VisualContainer.EnsureItems(Boolean needToRefresh)

at Syncfusion.Maui.DataGrid.VisualContainer.set_HorizontalOffset(Double value)

at Syncfusion.Maui.DataGrid.VisualContainer.ExtendedScrollView_Scrolled(Object sender, ScrolledEventArgs e)

at Microsoft.Maui.Controls.ScrollView.SetScrolledPosition(Double x, Double y) in D:\a\_work\1\s\src\Controls\src\Core\ScrollView.cs:line 93

at Microsoft.Maui.Controls.ScrollView.Microsoft.Maui.IScrollView.set_HorizontalOffset(Double value) in D:\a\_work\1\s\src\Controls\src\Core\HandlerImpl\ScrollView\ScrollView.Impl.cs:line 21

at Syncfusion.Maui.Core.Hosting.DataGridScrollViewHandler.NativeHorizontalScrollView_ScrollChange(Object sender, ScrollChangeEventArgs e)

at Android.Views.View.IOnScrollChangeListenerImplementor.OnScrollChange(View v, Int32 scrollX, Int32 scrollY, Int32 oldScrollX, Int32 oldScrollY) in /Users/runner/work/1/s/xamarin-android/src/Mono.Android/obj/Release/net7.0/android-33/mcw/Android.Views.View.cs:line 3852

at Android.Views.View.IOnScrollChangeListenerInvoker.n_OnScrollChange_Landroid_view_View_IIII(IntPtr jnienv, IntPtr native__this, IntPtr native_v, Int32 scrollX, Int32 scrollY, Int32 oldScrollX, Int32 oldScrollY) in /Users/runner/work/1/s/xamarin-android/src/Mono.Android/obj/Release/net7.0/android-33/mcw/Android.Views.View.cs:line 3768

at Android.Runtime.JNINativeWrapper.Wrap_JniMarshal_PPLIIII_V(_JniMarshal_PPLIIII_V callback, IntPtr jnienv, IntPtr klazz, IntPtr p0, Int32 p1, Int32 p2, Int32 p3, Int32 p4) in /Users/runner/work/1/s/xamarin-android/src/Mono.Android/Android.Runtime/JNINativeWrapper.g.cs:line 418

--- End of managed Java.Lang.IllegalArgumentException stack trace ---

java.lang.IllegalArgumentException: Cannot add a null child view to a ViewGroup

at android.view.ViewGroup.addView(ViewGroup.java:5007)

at mono.android.view.View_OnScrollChangeListenerImplementor.n_onScrollChange(Native Method)

at mono.android.view.View_OnScrollChangeListenerImplementor.onScrollChange(View_OnScrollChangeListenerImplementor.java:31)

at android.view.View.onScrollChanged(View.java:17059)

at android.view.View.scrollTo(View.java:19031)

at android.widget.HorizontalScrollView.scrollTo(HorizontalScrollView.java:1765)

at android.view.View.scrollBy(View.java:19046)

at crc648a9457dd5f66374f.ExtMauiScrollView.n_onTouchEvent(Native Method)

at crc648a9457dd5f66374f.ExtMauiScrollView.onTouchEvent(ExtMauiScrollView.java:66)

at android.view.View.dispatchTouchEvent(View.java:15026)

at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:3115)

at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2788)