public View getView(final int position, View view, ViewGroup arg2) {
ViewHolder viewHolder = null;
if (view == null) {
viewHolder = new ViewHolder();
view = LayoutInflater.from(mContext).inflate(R.layout.association_fragment_one_item, null);
viewHolder.tvIcon = (ImageView) view.findViewById(R.id.association_fragment_one_icon);
viewHolder.tvTitle = (TextView) view.findViewById(R.id.association_fragment_one_title);
viewHolder.tvLetter = (TextView) view.findViewById(R.id.association_fragment_one_catalog);
view.setTag(viewHolder);
} else {
viewHolder = (ViewHolder) view.getTag();
}
final Association mDemo = list.get(position);
if (position == 0) {
// 设置社团首字母
viewHolder.tvLetter.setVisibility(View.VISIBLE);
viewHolder.tvLetter.setText(mDemo.getKey());
} else {
String lastCatalog = list.get(position - 1).getKey();
if (mDemo.getKey().equals(lastCatalog)) {
viewHolder.tvLetter.setVisibility(View.GONE);
} else {
viewHolder.tvLetter.setVisibility(View.VISIBLE);
viewHolder.tvLetter.setText(mDemo.getKey());
}
}
// 设置社团标题
viewHolder.tvTitle.setText(this.list.get(position).getName());
String pic = this.list.get(position).getIcon();
// 设置LOGO - 文件名 - 资源ID
// 方式1：反射
// 通过反射机制，把icon文件名，转化成资源id，设置到对应的社团imageView中
//
// try {
// field = draw.getDeclaredField(pic);
// resId = field.getInt(pic);
// } catch (Exception e) {
// e.printStackTrace();
// resId = R.drawable.association_logo_0;
// }
// 方式2：getIdentifier
int resId = mContext.getResources().getIdentifier(pic, "drawable", "pyp.navigation.main");
// 找不到资源就设置为默认logo
if (resId == 0) resId = R.drawable.association_logo_0;
// 设置为社团Logo图像资源
viewHolder.tvIcon.setImageResource(resId);
return view;
}
public int getPositionForSection(int section) {
Association mDemo;
String l;
if (section == '!') {
return 0;
} else {
for (int i = 0; i < getCount(); i++) {
mDemo = (Association) list.get(i);
l = mDemo.getKey();
char firstChar = l.toUpperCase().charAt(0);
if (firstChar == section) {
return i + 1;
}
}
}
mDemo = null;
l = null;
return -1;
}