public override Java.Lang.Object InstantiateItem(ViewGroup container, int position)
{
PhotoView photoView = new PhotoView(true, curentContext);
photoView.SetScaleType(ImageView.ScaleType.CenterCrop);
photoView.Tag = position;
string path = mPathList[position];
if (path != null)
{
if (mCache.Get(path) is Android.Graphics.Bitmap bitmap)
{
photoView.SetImageBitmap(bitmap);
}
else
{
if (System.IO.File.Exists(path))
{
bitmap = BitmapLoader.GetBitmapFromFile(path, mWidth, mHeight);
if (bitmap != null)
{
photoView.SetImageBitmap(bitmap);
mCache.Put(path, bitmap);
}
else
{
photoView.SetImageResource(Resource.Drawable.aurora_picture_not_found);
}
}
else
{
photoView.SetImageResource(Resource.Drawable.aurora_picture_not_found);
}
}
}
else
{
photoView.SetImageResource(Resource.Drawable.aurora_picture_not_found);
}
container.AddView(photoView, ViewGroup.LayoutParams.MatchParent, ViewGroup.LayoutParams.MatchParent);
return(photoView);
}
private void InitCurrentItem()
{
PhotoView photoView = new PhotoView(true, this);
string msgId = Intent.GetStringExtra("msgId");
int position = mMsgIdList.IndexOf(msgId);
string path = mPathList[position];
if (path != null)
{
if (mCache.Get(path) is Android.Graphics.Bitmap bitmap)
{
photoView.SetImageBitmap(bitmap);
}
else
{
if (System.IO.File.Exists(path))
{
bitmap = BitmapLoader.GetBitmapFromFile(path, mWidth, mHeight);
if (bitmap != null)
{
photoView.SetImageBitmap(bitmap);
mCache.Put(path, bitmap);
}
else
{
photoView.SetImageResource(Resource.Drawable.aurora_picture_not_found);
}
}
else
{
photoView.SetImageResource(Resource.Drawable.aurora_picture_not_found);
}
}
}
else
{
photoView.SetImageResource(Resource.Drawable.aurora_picture_not_found);
}
mViewPager.CurrentItem = position;
}