用法
topFourFuncAdapter=new AbsCommonAdapter<TabOneFunMenuBean>(this, R.layout.tabone_item_gridview,funcs){ @Override public void convert( AbsCommonAdapter.ViewHolder helper, TabOneFunMenuBean item, int _selectedItem) { helper.setText(R.id.funName, item.getFunName()); ((ImageView)helper.getView(R.id.funIcon)).setImageResource(item.getResId()); } };
?通用BaseAdapter
import java.util.Arrays; import java.util.List; import android.content.Context; import android.graphics.Bitmap; import android.util.SparseArray; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.BaseAdapter; import android.widget.ImageView; import android.widget.TextView; /** * @author 喧嚣求静,yinbiao * 万能通用适配器 * */ public abstract class AbsCommonAdapter<T> extends BaseAdapter { protected Context mContext; protected List<T> mDatas; protected final int mItemLayoutId; protected int selectedItem=-1; public AbsCommonAdapter(Context context, int itemLayoutId, List<T> mDatas) { this.mContext = context; this.mDatas = mDatas; this.mItemLayoutId = itemLayoutId; } public AbsCommonAdapter(Context context, int itemLayoutId, T[] mDatas) { this.mContext = context; this.mDatas = Arrays.asList(mDatas); this.mItemLayoutId = itemLayoutId; } @Override public int getCount() { if (mDatas != null) { return mDatas.size(); } return 0; } @Override public T getItem(int position) { return mDatas.get(position); } @Override public long getItemId(int position) { return position; } @Override public View getView(int position, View convertView, ViewGroup parent) { ViewHolder viewHolder = getViewHolder(position, convertView, parent); viewHolder.setPosition(position); convert(viewHolder, getItem(position),selectedItem); return viewHolder.getConvertView(); } private ViewHolder getViewHolder(int position, View convertView, ViewGroup parent) { return ViewHolder.get(mContext, convertView, parent, mItemLayoutId, position); } public abstract void convert(ViewHolder helper, final T item,final int _selectedItem); public void add(List<T> list) { if (list == null || list.size() == 0) return; this.mDatas.addAll(list); notifyDataSetChanged(); } public void replace(List<T> list) { if (list == null || list.size() == 0) return; this.mDatas.clear(); this.mDatas.addAll(list); notifyDataSetChanged(); } public void add(T t) { this.mDatas.add(t); notifyDataSetChanged(); } public void add(int position, T t) { this.mDatas.add(position, t); notifyDataSetChanged(); } public void clearAll() { this.mDatas.clear(); notifyDataSetChanged(); } public void removeItem(T t) { this.mDatas.remove(t); notifyDataSetChanged(); } public void removeItem(int position) { this.mDatas.remove(position); notifyDataSetChanged(); } public List<T> getData() { return mDatas; } public void setSelectedItem(int selectedItem) { this.selectedItem = selectedItem; } /** * 公共ViewHolder对象 * * @author * * @date 2015-6-9下午2:16:04 */ public static class ViewHolder { private final SparseArray<View> mViews; private View mConvertView; private int position; public int getPosition() { return position; } public void setPosition(int position) { this.position = position; } private ViewHolder(Context context, ViewGroup parent, int layoutId, int position) { this.mViews = new SparseArray<View>(); mConvertView = LayoutInflater.from(context).inflate(layoutId, parent, false); 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) { if (convertView == null) { return new ViewHolder(context, parent, layoutId, position); } return (ViewHolder) convertView.getTag(); } 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 */ @SuppressWarnings("unchecked") 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TextView设置字符串 * * @param viewId * @param text * @return */ public void setText(int viewId, String text) { TextView view = getView(viewId); view.setText(text); } /** * 为ImageView设置图片 * * @param viewId * @param drawableId * @return */ public void setImageResource(int viewId, int drawableId) { ImageView view = getView(viewId); view.setImageResource(drawableId); } /** * 为ImageView设置图片 * * @param viewId * @param drawableId * @return */ public void setImageBitmap(int viewId, Bitmap bm) { ImageView view = getView(viewId); view.setImageBitmap(bm); } } }
?
原文:http://913.iteye.com/blog/2308028