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在android中未单击Listview_Android_Json - Fatal编程技术网

在android中未单击Listview

在android中未单击Listview,android,json,Android,Json,请帮助我这是我在列表视图中设置适配器的活动代码。我想在列表视图中单击,但没有单击,因此请帮助我找出此问题。提前感谢。这是我项目的重要部分 public class Teacher Locator extends ActionBarActivity { Defaultlistadapter defaultlistadapter; ListView listview; @Override protected void onCreate(Bundle saved

请帮助我这是我在列表视图中设置适配器的活动代码。我想在列表视图中单击,但没有单击,因此请帮助我找出此问题。提前感谢。这是我项目的重要部分

public class Teacher Locator extends ActionBarActivity {

    Defaultlistadapter defaultlistadapter;  
    ListView listview;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.test);      
        listview=(ListView)findViewById(R.id.list_company);

        //This is asyktask class
        new DefaultListService().execute();
    }

    //Defaultlist service  class
    private class DefaultListService extends AsyncTask<Void, Void, Void> {

        @Override
        protected Void doInBackground(Void... params) {  
            ServiceHandler2 sh=new ServiceHandler2();
            String url_defaultlist ="http://192.168.0.11/highschoolcoopsapp/?tag=allcompanyprofiles";
            String strjson=sh.makeServiceCall(url_defaultlist, ServiceHandler2.GET);
            Log.v("ResponseDefault",strjson);
            if(strjson!=null)
            {
                try {
                    JSONObject jobjsearch=new JSONObject(strjson);
                    tag_list=jobjsearch.getString("tag");
                    success_list=jobjsearch.getString("success");
                    error_list=jobjsearch.getString("error");

                    Log.v("TagSearch",tag_list);
                    Log.v("SuccessSearch",success_list);
                    Log.v("ErrorSearch",error_list);
                    //JsonArray Working
                    JSONArray jarr_list =jobjsearch.getJSONArray("searchresult");
                    for (int i=0; i<jarr_list.length(); i++) {  
                        JSONObject obbj=jarr_list.getJSONObject(i);
                        name_list = obbj.getString("name");
                        arrname_list.add(name_list);
                        Log.v("Companyname",name_list);
                        // allNames.add(name);
                        address_list = obbj.getString("address");
                        arraddress_list.add(address_list);    
                        Log.v("Companyaddress",address_list);
                        city_list = obbj.getString("city");
                        arrcity_list.add(city_list);
                        Log.v("Companycity",city_list);
                        state_list = obbj.getString("state");
                        arrstate_list.add(state_list);
                        Log.v("Companystate",state_list);
                        country_list = obbj.getString("country");
                        arrcountry_list.add(country_list);
                        Log.v("Companycountry",country_list);

                        //categorytitle
                        categoryid_list=obbj.getString("title");
                        arrcategoryid_list.add(categoryid_list);
                        Log.v("category",categoryid_list);
                        //title_list=obbj.getString("title");
                        //arrtitle_list.add(title_list);
                        intro_list=obbj.getString("intro");
                        arrintro_list.add(intro_list);

                        ///categoryid
                        str_categoryid=obbj.getString("category_id");
                        arrcategryid_list.add(str_categoryid);

                        //Id
                        str_id=obbj.getString("id");
                        arrid_list.add(str_id);    
                    }
                } catch (JSONException e) {
                    e.printStackTrace();
                }
            }

            else
            {
                Log.e("ServiceHandler", "Couldn't get any data from the url");  
            }
        return null;
        }

        @Override
        protected void onPostExecute(Void args) {
                defaultlistadapter=new Defaultlistadapter(TeacherLocator.this, arrname_list, arraddress_list, arrcity_list, arrstate_list,              arrcountry_list,arrcategoryid_list,arrintro_list);      
            defaultlistadapter.notifyDataSetChanged();
            listview.setAdapter(defaultlistadapter);
            listview.setOnItemClickListener(new OnItemClickListener() {    
                @Override
                public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
                    Toast.makeText(TeacherLocator.this," Not clicked....................", Toast.LENGTH_LONG).show();       
                }
            });
            Toast.makeText(TeacherLocator.this,"Listview :"+str_id,Toast.LENGTH_LONG).show();
        }
    } 
}
公共课堂教师定位器扩展了ActionBarActivity{
Defaultlistadapter默认ListAdapter;
列表视图列表视图;
@凌驾
创建时受保护的void(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.test);
listview=(listview)findViewById(R.id.list\U company);
//这是asyktask类
新建DefaultListService().execute();
}
//Defaultlist服务类
私有类DefaultListService扩展了AsyncTask{
@凌驾
受保护的Void doInBackground(Void…params){
ServiceHandler2 sh=新的ServiceHandler2();
字符串url_defaultlist=”http://192.168.0.11/highschoolcoopsapp/?tag=allcompanyprofiles";
字符串strjson=sh.makeServiceCall(url\u defaultlist,ServiceHandler2.GET);
Log.v(“ResponseDefault”,strjson);
if(strjson!=null)
{
试一试{
JSONObject jobjsearch=新JSONObject(strjson);
tag_list=jobjsearch.getString(“tag”);
success_list=jobjsearch.getString(“success”);
error_list=jobjsearch.getString(“错误”);
Log.v(“标记搜索”,标记列表);
Log.v(“成功搜索”,成功列表);
Log.v(“错误搜索”,错误列表);
//JsonArray工作
JSONArray jarr_list=jobjsearch.getJSONArray(“搜索结果”);

对于(int i=0;i如果在
getView
函数中设置
convertView
的单击,会怎么样?

当listview中的项目可聚焦时,可能会发生这种情况,请尝试添加

android:descendantFocusability="blocksDescendants"
在自定义适配器行布局的布局中,即在您的情况下,您的R.layout.defaultlist应如下所示:

<LinearLayout <--your xml's parent layout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical"
android:descendantFocusability="blocksDescendants" > <<-- add this line of code  

您有一个祝酒词“未点击”在内部单击listener?认真地说,是谁在代码中多出了这么多行。几乎编辑了一半…叹气…你能把你的xml放在listview的位置吗?为什么你要在每个响应上创建新的适配器?ItemClickListener和setAdapter不应该再次设置,请在comment.convertView.setOnClickListener中要求澄清(新建OnClickListener(){@Override public void onClick(View v){//TODO Auto-generated method stub}}});但我想在litview项的单击中获得lisview位置您在
getView
函数中拥有该位置:
public View getView(final int position,View convertView,ViewGroup parent).
<LinearLayout <--your xml's parent layout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical"
android:descendantFocusability="blocksDescendants" > <<-- add this line of code