public abstract class ABaseAdapter extends BaseAdapter{Context context;protected ABaseAdapter(Context context) {this.context = context;}protected ABaseAdapter() {}/*** 各个控件的缓存*/public class ViewHolder{public SparseArray<View> views = new SparseArray<View>();/*** 指定resId和类型即可获取到相应的view* @param convertView* @param resId* @param <T>* @return*/public <T extends View> T obtainView(View convertView, int resId){View v = views.get(resId);if(null == v){v = convertView.findViewById(resId);views.put(resId, v);}return (T)v;}}/*** 改方法需要子类实现，需要返回item布局的resource id* @return*/public abstract int itemLayoutRes();@Overridepublic View getView(int position, View convertView, ViewGroup parent) {ViewHolder holder;if(null == convertView){holder = new ViewHolder();convertView = LayoutInflater.from(context).inflate(itemLayoutRes(), null);convertView.setTag(holder);}else{holder = (ViewHolder) convertView.getTag();}return getView(position, convertView, parent, holder);}/*** 使用该getView方法替换原来的getView方法，需要子类实现* @param position* @param convertView* @param parent* @param holder* @return*/public abstract View getView(int position, View convertView, ViewGroup parent, ViewHolder holder);}

public MyAdapter(Context context){super(context);}

@Override
public int itemLayoutRes() {return R.layout.caipu_griditem;//返回布局的文件
}

    @Overridepublic View getView(int position, View convertView, ViewGroup parent,ViewHolder holder) {ImageView imageView = holder.obtainView(convertView, R.id.cp_grid_img);TextView textView = holder.obtainView(convertView, R.id.cp_grid_text);imageView.setBackgroundResource(IMAGES[position]);textView.setText(TITLES[position]);return convertView;}