android– 如何将listview转换为gridview

概述下面是我的代码,它适用于水平显示列表视图.如何将其更改为gridvew.我应该做些什么更改才能将其更改为gridview？请帮帮我publicclassfifthscreenextendsActivity{intIOConnect=0;String_response;Stringstatus;HorizontalListViewlistview;CategoryListAdapter3

下面是我的代码,它适用于水平显示列表视图.如何将其更改为grIDvew.我应该做些什么更改才能将其更改为grIDvIEw？请帮帮我

public class fifthscreen extends Activity {int IOConnect = 0;String _response;String status;horizontallistVIEw ListvIEw;categorylistadapter3 cla;String URL, URL2;String SelectMenuAPI;static ArrayList<Long> category_ID = new ArrayList<Long>();static ArrayList<String> category_name = new ArrayList<String>();static ArrayList<String> category_image = new ArrayList<String>();public static String allergen2;String name;String url1;@OverrIDepublic voID onCreate(Bundle savedInstanceState) {    super.onCreate(savedInstanceState);    setContentVIEw(R.layout.fifthscreen);    ListvIEw = (horizontallistVIEw) this.findVIEwByID(R.ID.ListvIEw2);    cla = new categorylistadapter3(fifthscreen.this);    new TheTask().execute();}public class TheTask extends AsyncTask<VoID, String, String> {    @OverrIDe    protected voID onPreExecute() {        super.onPreExecute();    }    @OverrIDe    protected String doInBackground(VoID... arg0) {        try {            httpGet request = new httpGet(url);            httpResponse response = clIEnt.execute(request);            httpentity resEntity = response.getEntity();            _response = EntityUtils.toString(resEntity);        } catch (Exception e) {            e.printstacktrace();        }        return _response;    }    @OverrIDe    protected voID onPostExecute(String result) {        super.onPostExecute(result);        try {            JsONObject Json2 = new JsONObject(result);            status = Json2.getString("status");            if (status.equals("1")) {                JsONArray school4 = Json2.getJsONArray("dish_allergen");                //                for (int i = 0; i < school4.length(); i++) {                    JsONObject object = school4.getJsONObject(i);                    category_ID.add((long) i);                    category_name.add(object.getString("name"));                    category_image.add(object.getString("image"));                }            }            else {                JsONArray school2 = Json2.getJsONArray("data");                for (int i = 0; i < school2.length(); i++) {                    JsONObject object = school2.getJsONObject(i);                    category_ID.add((long) i);                    category_name.add(object.getString("name"));                }            }        } catch (JsONException e) {            // Todo auto-generated catch block            e.printstacktrace();        }        ListvIEw.setAdapter(cla);    }}     }   public class categorylistadapter3 extends BaseAdapter {private Activity activity;private Aquery androIDAquery;public categorylistadapter3(Activity act) {    this.activity = act;//  imageLoader = new ImageLoader(act);}public int getCount() {    // Todo auto-generated method stub    return fifthscreen.category_ID.size();}public Object getItem(int position) {    // Todo auto-generated method stub    return position;}public long getItemID(int position) {    // Todo auto-generated method stub    return position;}public VIEw getVIEw(int position, VIEw convertVIEw, VIEwGroup parent) {    // Todo auto-generated method stub    VIEwHolder holder;    androIDAquery = new Aquery(getcontext());    if(convertVIEw == null){        LayoutInflater inflater = (LayoutInflater) activity                .getSystemService(Context.LAYOUT_INFLATER_SERVICE);        convertVIEw = inflater.inflate(R.layout.vIEwitem2, null);        holder = new VIEwHolder();        convertVIEw.setTag(holder);    }else{        holder = (VIEwHolder) convertVIEw.getTag();    }    holder.txtText = (TextVIEw) convertVIEw.findVIEwByID(R.ID.Title2);    holder.imgThumb = (ImageVIEw) convertVIEw.findVIEwByID(R.ID.image2);    holder.txtText.setText(fifthscreen.category_name.get(position));    //  imageLoader.displayImage(fifthscreen.category_image.get(position),             activity, holder.imgThumb);     androIDAquery.ID(holder.imgThumb).image(fifthscreen.category_image.get(position), false,      false);    return convertVIEw;}private Activity getcontext() {    // Todo auto-generated method stub    return null;}static class VIEwHolder {    TextVIEw txtText;    ImageVIEw imgThumb;}          }             <!---  fifithscreen.xml--->                  <linearLayout            androID:layout_wIDth="fill_parent"            androID:layout_height="fill_parent"          androID:layout_marginleft="10dp"          androID:layout_marginRight="10dp"          androID:layout_below="@+ID/test_button_text5"         androID:orIEntation="vertical" >   <com.example.examplecode.horizontallistVIEw           androID:ID="@+ID/ListvIEw2"           androID:layout_wIDth="wrap_content"           androID:layout_height="120dp"             androID:layout_below="@+ID/test_button_text5"           androID:background="#ffffff"/>      </linearLayout>   <!--vIEwitem2.xml--->     <?xml version="1.0" enCoding="utf-8"?>  <linearLayout  xmlns:androID="http://schemas.androID.com/apk/res/androID"  androID:orIEntation="vertical" androID:layout_wIDth="wrap_content"   androID:layout_height="wrap_content"   >  <ImageVIEwandroID:ID="@+ID/image2"   androID:layout_wIDth="90dp" androID:layout_height="70dp"  androID:scaleType="fitXY" androID:padding="5dp"  androID:layout_marginleft="5dp"   androID:layout_marginRight="5dp"androID:src="@drawable/ic_launcher"/><TextVIEwandroID:ID="@+ID/Title2"androID:layout_wIDth="90dp"androID:layout_height="wrap_content"androID:textcolor="#000"androID:paddingtop="10dp"androID:gravity="center_horizontal"/>   </linearLayout>

解决方法:

完全没有变化.只需将GrIDVIEw的适配器设置为ListVIEw的设置即可.

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