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using Android.Content;
using Android.Views;
using Android.Widget;
namespace Xamarin.Forms.Platform.Android
{
internal class ConditionalFocusLayout : LinearLayout, global::Android.Views.View.IOnTouchListener
{
public ConditionalFocusLayout(Context context) : base(context)
{
SetOnTouchListener(this);
}
public bool OnTouch(global::Android.Views.View v, MotionEvent e)
{
bool allowFocus = v is EditText;
DescendantFocusability = allowFocus ? DescendantFocusability.AfterDescendants : DescendantFocusability.BlockDescendants;
return false;
}
internal void ApplyTouchListenersToSpecialCells(Cell item)
{
DescendantFocusability = DescendantFocusability.BlockDescendants;
global::Android.Views.View aView = GetChildAt(0);
(aView as EntryCellView)?.EditText.SetOnTouchListener(this);
var viewCell = item as ViewCell;
if (viewCell == null || viewCell?.View == null)
return;
IVisualElementRenderer renderer = Platform.GetRenderer(viewCell.View);
if (renderer?.ViewGroup?.ChildCount != 0)
(renderer.ViewGroup.GetChildAt(0) as EditText)?.SetOnTouchListener(this);
foreach (Element descendant in viewCell.View.Descendants())
{
var element = descendant as VisualElement;
if (element == null)
continue;
renderer = Platform.GetRenderer(element);
if (renderer?.ViewGroup?.ChildCount == 0)
continue;
(renderer.ViewGroup.GetChildAt(0) as EditText)?.SetOnTouchListener(this);
}
}
}
}
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