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Android BaseAdapter tamplate
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public class MyBaseAdapter extends BaseAdapter { | |
private static final String TAG = MyBaseAdapter.class.getSimpleName(); | |
private Context mContext; | |
private LayoutInflater mInflater; | |
private List<FunctionItem> mItemList; | |
private int mSelectedItem = -1; | |
public HomeListAdapter(Context context, List<FunctionItem> itemList) { | |
super(); | |
mContext = context; | |
mInflater = LayoutInflater.from(mContext); | |
mItemList = itemList; | |
} | |
@Override | |
public int getCount() { | |
return mItemList.size(); | |
} | |
@Override | |
public Object getItem(int position) { | |
return mItemList.get(position); | |
} | |
@Override | |
public long getItemId(int position) { | |
return position; | |
} | |
@Override | |
public View getView(int position, View convertView, ViewGroup parent) { | |
ViewHolder viewHolder; | |
if (convertView == null) { | |
convertView = mInflater.inflate(R.layout.list_item_view, parent, false); | |
viewHolder = new ViewHolder(); | |
viewHolder.icon = (ImageView) convertView.findViewById(R.id.icon); | |
viewHolder.name = (TextView) convertView.findViewById(R.id.name); | |
convertView.setTag(viewHolder); | |
} else { | |
viewHolder = (ViewHolder) convertView.getTag(); | |
} | |
FunctionItem item = mItemList.get(position); | |
if (position == mSelectItem) { | |
// Hightlight item. | |
viewHolder.name.setText(item.getName()); | |
viewHolder.icon.setImageDrawable(item.getIcon()); | |
} else { | |
// Normal Item. | |
viewHolder.name.setText(item.getName()); | |
viewHolder.icon.setImageDrawable(item.getIcon()); | |
} | |
return convertView; | |
} | |
public void setSelectedItem(int selectedItem) { | |
mSelectedItem = selectedItem; | |
notifyDataSetChanged(); | |
} | |
static class ViewHolder { | |
ImageView icon; | |
TextView name; | |
} | |
} |
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