自定义BaseAdapter Android ListView GrideView spinner 等 每行包孕图片，TextView,checkbox的显示

?/**
? * MyAdapter
? * TODO
? * @knownBugs
? */
?public class MyAdapter extends BaseAdapter {
???? /** the context*/
??private Context mContext;
??/** the list of the ShopInfoSerialzable*/
??private List<ShopInfoSerialzable> mShopData;
??/** layoutInflater*/
??private LayoutInflater layoutInflater;
??
??/**
?? * ViewHolder
?? * TODO
?? * @knownBugs
?? */
??class ViewHolder {//这个类变量对应显示的一行的所有组件
????? /** the picture of the goods*/
???ImageView shopIcon;
???/** the name of the goods*/
???TextView shopName;
???/** the checkBox*/
???CheckBox checkBox;
???
??}
??
??//构造函数
??public MyAdapter(Context aContext,
????????? List<ShopInfoSerialzable> aShopData) {
???this.mContext = aContext;
???this.mShopData = aShopData;
???layoutInflater =
?????? (LayoutInflater) getSystemService(LAYOUT_INFLATER_SERVICE);
??}

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??public int getCount() {
???return mShopData.size();
??}

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??public Object getItem(int aPosition) {
???return mShopData.get(aPosition);
??}

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??public long getItemId(int aPosition) {
???return aPosition;
??}
??
??//主要需要重写的方法，得到用来显示的每一行组件
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??public View getView(final int aPosition,
????????? View aConvertView, ViewGroup aParent) {
???ViewHolder holder = null;
???if (aConvertView == null) {
?????? aConvertView =
?????????? layoutInflater.inflate(R.layout.shopping_list_row, null);
????holder = new ViewHolder();
????holder.shopIcon =
??????? (ImageView) aConvertView.findViewById(R.id.shoppingIcon);
????aConvertView.setTag(holder);//这里就设定了图片，可以从一个集合中动态取,可以接下来改变它们的值
????holder.shopName =
??????? (TextView) aConvertView.findViewById(R.id.shoppingName);
????holder.checkBox =
??????? (CheckBox) aConvertView.findViewById(R.id.checkBox);
???} else {
????holder = (ViewHolder) aConvertView.getTag();
???}
???
???ShopInfoSerialzable shopInfoSerialzable = mShopInfos.get(aPosition);
???if (shopInfoSerialzable != null) {
????holder.shopName.setText(shopInfoSerialzable.getmShopName()
??????????? + "(" + shopInfoSerialzable.getmShopNumber() + ")");
????
????int finishId = shopInfoSerialzable.getmFinishId();
????String comleteStr = (finishId == 1)
??????? ? mContext.getResources().getString(R.string.complete)
?????: mContext.getResources().getString(R.string.uncomplete);
????boolean checked = (finishId == 1) ? true : false;
????holder.complete.setText(comleteStr);
????holder.checkBox.setChecked(checked);
????
????if (checked) {
??????? aConvertView
??????????? .setBackgroundColor(Color.parseColor("#99CC66"));
?????holder.checkBox.setVisibility(CheckBox.INVISIBLE);
?????
????} else {
??????? aConvertView.setBackgroundColor(Color.WHITE);
?????holder.checkBox.setVisibility(CheckBox.VISIBLE);
?????holder.complete.setTextColor(Color.parseColor("#cc0000"));
????}
???}
???holder.checkBox.setOnClickListener(new OnClickListener() {
????
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????public void onClick(View av) {
?????ShopInfoSerialzable shopInfoSerialzable =
???????? mShopInfos.get(aPosition);
?????int finishId = shopInfoSerialzable.getmFinishId();
?????if (finishId == 0) { //unCheck to check
??????String shopName = shopInfoSerialzable.getmShopName();
??????mDb.updateDataStatus(DataModel.TABLE_SHOPPING,
????????????? DataModel.FINISHID, 1,
????????????? DataModel.SHOPNAME, shopName);
??????reGroupStatus(1, shopName);
??????MyAdapter.this.notifyDataSetChanged();
?????} else if (finishId == 1) { //check to unCheck
??????mShoppingName = shopInfoSerialzable.getmShopName();
??????mDb.updateDataStatus(DataModel.TABLE_SHOPPING,
????????????? DataModel.FINISHID, 0, DataModel.SHOPNAME,
????????????? mShoppingName);
??????reGroupStatus(0, mShoppingName);
??????MyAdapter.this.notifyDataSetChanged();
?????}
????}
???});
???
???
???return aConvertView;
??}

?

?

?

显示图片的方式也可以

1. @Override??
2. ????????public?View?getView(int?position,?View?convertView,?ViewGroup?parent)?{ ??
3. ????????????ImageView?i; ??
4. ????????????if(null==convertView){ ??
5. ????????????????i=new?ImageView(PeopleScreen.this); ??
6. ????????????????i.setScaleType(ScaleType.FIT_CENTER); ??
7. ????????????????i.setLayoutParams(new?GridView.LayoutParams(50,?50)); ??
8. ????????????}else{ ??
9. ????????????????i=(ImageView)convertView; ??
10. ????????????} ??
11. ????????????ResolveInfo?info=mApps.get(position); ??
12. ????????????i.setImageDrawable(info.activityInfo.loadIcon(getPackageManager())); ??
13. ????????????return?i; ??
14. ????????} ??

?}