public override View GetView(int position, View convertView, ViewGroup parent)
{
View rowView = convertView;
//reuse view
if (rowView == null) {
rowView = _context.LayoutInflater.Inflate (Resource.Layout.PersonCustomLayout, parent, false);
viewHolder = new ViewHolderItem ();
viewHolder.txtTemName = rowView.FindViewById<TextView> (Resource.Id.lblPersonName);
viewHolder.imgItem = rowView.FindViewById<ImageView> (Resource.Id.imgPerson);
rowView.Tag = viewHolder;
}
else
{
viewHolder = (ViewHolderItem)rowView.Tag;
}
viewHolder.txtTemName.Text = _lstItem [position].PersonName;
var option= ImageHelper.GetBitmapOptionsOfImageNonAsync ( _lstItem[position].PersonImage );
var bitmapSampled= ImageHelper.LoadScaledDownBitmapForDisplay ( _lstItem[position].PersonImage , option , 100 , 100 );
//to get cirlcle shape H*W should be same
int intRoundPicResolution;
if ( bitmapSampled.Height > bitmapSampled.Width ) //only to get circle shape
intRoundPicResolution = bitmapSampled.Width;
else
intRoundPicResolution = bitmapSampled.Height;
//set bitmap height and width
bitmapSampled = Bitmap.CreateScaledBitmap ( bitmapSampled , intRoundPicResolution , intRoundPicResolution , false );
int imgRadius = ( intRoundPicResolution ) / 2;
using ( var bitmapRoundedCorner =ImageHelper.GetRoundedCornerBitmap ( bitmapSampled , imgRadius ) )
{
// if (viewHolder.imgItem != null && !viewHolder.imgItem.isrecycled))
// viewHolder.imgItem.RecycleBitmap ();
viewHolder.imgItem.SetImageBitmap ( bitmapRoundedCorner );
}
bitmapSampled.Dispose ();
bitmapSampled = null;
Java.Lang.JavaSystem.Gc ();
return rowView;
}
public override View GetView(int position, View convertView, ViewGroup parent)
{
View rowView = convertView;
if (rowView == null)
{
//create new row view
rowView = _context.LayoutInflater.Inflate(Resource.Layout.ItemCustomLayout, parent, false);
viewHolder = new ViewHolderItem();
viewHolder.txtTemName = rowView.FindViewById <TextView> (Resource.Id.lblItemName);
viewHolder.imgItem = rowView.FindViewById <ImageView> (Resource.Id.imgItem);
viewHolder.chkItem = rowView.FindViewById <CheckBox> (Resource.Id.checkitem);
viewHolder.Initialize(rowView); //to initialize listen for ImgView click
//tag viewHolder instance to row view.
rowView.Tag = viewHolder;
}
else
{ //re-use row view
//fetch viewholder instance from the Tag attached to rowview
viewHolder = (ViewHolderItem)rowView.Tag;
}
//Initialize click event
//subscribe to event from viewholder ImgView click
viewHolder.eventHandlerImgViewSelected = () =>
{
// publish ImgView click event to ActivityClass
if (ActionImgSelectedToActivity != null)
{
ActionImgSelectedToActivity(_lstItem[position].ItemName);
}
};
viewHolder.txtTemName.Text = _lstItem [position].ItemName;
viewHolder.imgItem.SetImageResource(Resource.Drawable.imgItem);
viewHolder.chkItem.Checked = lstSelectedItem.Contains(_lstItem [position].ItemName) ? true :false;
viewHolder.chkItem.Tag = position;
return(rowView);
}
