我使用monotouch.dialog开发了一个PrivateMsg对话屏幕。但是当我重新加载细胞时,细胞闪烁,如何避免呢?
在2步中添加新的pm msg:1。附加元素单元格:State.Insert(msg is sending)=> 2.重新加载元素单元格状态:State.Updated(msg send sucessced)
请找到附件:屏幕录制文件和源代码:
void HandleOnPMChanged(object sender, PMChangedEventArgs e)
{
if (e.PMSID != this.mPMSession.PMSID)
return;
this.BeginInvokeOnMainThread(() =>
{
if (e. State == State.Insert) //step1
{
element = this.GetNewPMElement(itemData);
pmSection.Add(element);
this.ScrollToBottomRow();
} else if (e.State == State.Update && e.PM != null) //step2
{
var element = FindElement(e.PM.Guid.GetHashCode());
if (element != null)
{
var indexPaths = new NSIndexPath [] { element.IndexPath };
this.TableView.ReloadRows(indexPaths, UITableViewRowAnimation.None); //this line will flicker
//remark: this.ScrollToBottomRow();
}
}
else if (e. State == State.Insert)
{
element = this.GetNewPMElement(itemData);
pmSection.Add(element);
this.ScrollToBottomRow(); //step1
}
});
}
public void ScrollToBottomRow()
{
try
{
if (pmSection.Count < 1)
return;
NSIndexPath ndxPath = pmSection[pmSection.Count - 1].IndexPath;
if (ndxPath != null)
this.TableView.ScrollToRow(ndxPath, UITableViewScrollPosition.Bottom, false); //Bottom, false);
}
catch (Exception ex)
{
Util.ReportMsg("PMDVC ScrollToBottomRow Exception:", ex.Message);
}
}
答案 0 :(得分:1)
问题已修复。
EstimatedHeight返回大于实际值。