1. 复用 convertview 减少 getview 方法对 Inflater 的操作
2.使用static的view对象的应用 减少内存中申请的局部变量的个数(或者使用viewHolder)
3.图片数据使用异步加载与缓存机制
public class AppListAdapter extends BaseAdapter { private Context context ; private ListappInfos ; private static ImageView iv ; private static TextView tv; public AppListAdapter(Context context, List appInfos){ this.context=context; this.appInfos=appInfos; } public void setAppInfos(List appInfos) { this.appInfos = appInfos; } @Override public int getCount() { return appInfos.size(); } @Override public Object getItem(int position) { // TODO Auto-generated method stub return appInfos.get(position); } @Override public long getItemId(int position) { return position; } @Override public View getView(int position, View convertView, ViewGroup parent) { View view; if(convertView==null){ view = View.inflate(context, R.layout.app_item, null); }else{ view = convertView; } AppInfo appInfo = appInfos.get(position); iv = (ImageView)view.findViewById(R.id.iv_app_icon); iv.setImageDrawable(appInfo.getIcon()); tv = (TextView)view.findViewById(R.id.tv_app_name); tv.setText(appInfo.getAppName()); return view; }}