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private int mPosition;
private View mConvertView;
private ViewHolder(Context context, ViewGroup parent, int layoutId,
int position)
{
this.mPosition = position;
this.mViews = new SparseArray<View>();
mConvertView = LayoutInflater.from(context).inflate(layoutId, parent,
false);
// setTag
mConvertView.setTag(this);
}
/**
* 拿到一个ViewHolder对象
*
* @param context
* @param convertView
* @param parent
* @param layoutId
* @param position
* @return
*/
public static ViewHolder get(Context context, View convertView,
ViewGroup parent, int layoutId, int position)
{
ViewHolder holder = null;
if (convertView == null)
{
holder = new ViewHolder(context, parent, layoutId, position);
} else
{
holder = (ViewHolder) convertView.getTag();
holder.mPosition = position;
}
return holder;
}
public View getConvertView()
{
return mConvertView;
}
/**
* 通过控件的Id获取对于的控件,如果没有则加入views
*
* @param viewId
* @return
*/
public <T extends View> T getView(int viewId)
{
View view = mViews.get(viewId);
if (view == null)
{
view = mConvertView.findViewById(viewId);
mViews.put(viewId, view);
}
return (T) view;
}
/**
* 为ImageView设置图片
*
* @param viewId
* @param drawableId
* @return
*/
public ViewHolder setImageResource(int viewId, int drawableId)
{
ImageView view = getView(viewId);
view.setImageResource(drawableId);
return this;
}
/**
* 为ImageView设置图片
*
* @param viewId
* @return
*/
public ViewHolder setImageBitmap(int viewId, Bitmap bm)
{
ImageView view = getView(viewId);
view.setImageBitmap(bm);
return this;
}
/**
* 为ImageView设置图片
*
* @param viewId
* @return
*/
public ViewHolder setImageByUrl(int viewId, String url)
{
ImageLoader.getInstance(3, ImageLoader.Type.LIFO).loadImage(url, (ImageView) getView(viewId));
return this;
}
public int getPosition()
{
return mPosition;
}
}
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