onListItemClick不工作

Question

功能onListItemClick不會被調用：

ListActivity

package it.devapp.listview; 


import java.util.ArrayList; 
import com.koushikdutta.urlimageviewhelper.UrlImageViewHelper; 

import android.os.AsyncTask; 
import android.os.Bundle; 
import android.app.Activity; 
import android.app.ListActivity; 
import android.app.ProgressDialog; 
import android.content.Intent; 
import android.content.res.Resources; 
import android.graphics.Color; 
import android.graphics.drawable.Drawable; 
import android.util.Log; 
import android.view.Gravity; 
import android.view.Menu; 
import android.view.View; 
import android.view.ViewGroup; 
import android.widget.BaseAdapter; 
import android.widget.ImageView; 
import android.widget.ListView; 
import android.widget.RelativeLayout; 
import android.widget.TextView; 

public class ListNewsActivity extends ListActivity { 

ArrayList<News> news; 
Util util = new Util(); 

@Override 
protected void onCreate(Bundle savedInstanceState) { 
    super.onCreate(savedInstanceState); 

    setContentView(R.layout.main); 

    LoadData task = new LoadData(); 
    task.execute(); 
} 

@Override 
protected void onListItemClick(ListView l, View v, int position, long id) { 


    News news = (News) getListAdapter().getItem(position); 
    Intent i = new Intent(getApplicationContext(), NewsActivity.class); 
    i.putExtra("news",news); 
    startActivity(i); 

} 


private final class MyAdapter extends BaseAdapter 
{ 

    @Override 
    public boolean isEnabled(int position) { 
     return false; 
    } 

    @Override 
    public View getView(int position, View convertView, ViewGroup parent) 
    { 


     RowWrapper wrapper; 
     if (convertView == null) 
     { 
      convertView = getLayoutInflater().inflate(R.layout.activity_list_news, null); 
      wrapper = new RowWrapper(convertView); 
      convertView.setTag(wrapper); 
     } 
     else 
     { 
      wrapper = (RowWrapper) convertView.getTag(); 
     } 

     News news = (News) getItem(position); 
     wrapper.poulate(news); 

     return convertView; 
    } 

    @Override 
    public long getItemId(int position) 
    { 
     return position; 
    } 

    @Override 
    public Object getItem(int position) 
    { 
     //return News.notizie[position]; 
     return news.get(position); 
    } 

    @Override 
    public int getCount() 
    { 
     return news.size(); 
    } 

} 


private static class RowWrapper 
{ 
    private TextView data,titolo; 
    private ImageView immagine; 



    public RowWrapper(View convertView) 
    { 

     data = (TextView) convertView.findViewById(R.id.datanews); 
     immagine = (ImageView) convertView.findViewById(R.id.immagine); 
     titolo = (TextView) convertView.findViewById(R.id.titolo); 


    } 

    public void poulate(News news) 
    { 

     titolo.setText(news.getTitolo()); 
     data.setText(news.getDate()); 

     if ("".equals(news.getImg())){ 
      immagine.setImageResource(R.drawable.news); 

     }else{ 
      UrlImageViewHelper.setUrlDrawable(immagine, news.getImg(),null, 60000); 
     } 

    } 
} 

public class LoadData extends AsyncTask<Void, Void, ArrayList<News>> { 
    ProgressDialog progressDialog; 
    //declare other objects as per your need 
    @Override 
    protected void onPreExecute() 
    { 
     progressDialog= ProgressDialog.show(ListNewsActivity.this, "Caricamento dati","Attendere prego", true); 

     //do initialization of required objects objects here     
    };  
    @Override 
    protected ArrayList<News> doInBackground(Void... params) 
    { 

     news = util.getNews(); 


     return news; 
    }  
    @Override 
    protected void onPostExecute(ArrayList<News> news) 
    { 
     super.onPostExecute(news); 
     setListAdapter(new MyAdapter()); 
     progressDialog.dismiss(); 
    }; 
} 

} 

activity_list_news.xml

<?xml version="1.0" encoding="utf-8"?> 
<RelativeLayout 
    xmlns:android="http://schemas.android.com/apk/res/android" 
    android:layout_width="fill_parent" 
    android:layout_height="wrap_content" 
    android:layout_marginLeft="3dip" 
    android:layout_marginRight="3dip" 
    > 
    <RelativeLayout 
    android:layout_width="match_parent" 
    android:layout_height="wrap_content" 
    android:layout_marginLeft="3dip" 
    android:layout_marginRight="3dip" 
    android:background="#aaFFFFFF" 

    > 
    <ImageView 
      android:id="@+id/immagine" 
      android:layout_width="80dip" 
      android:layout_height="80dip" 
      android:layout_marginLeft="2dip" 
    /> 


    <TextView 
      android:layout_marginLeft="5dip" 
      android:layout_marginRight="5dip" 
      android:layout_marginTop="5dip" 
      android:id="@+id/datanews" 
      android:layout_toRightOf="@id/immagine" 
      android:layout_width="wrap_content" 
      style="@style/Date" 
      android:layout_height="25dip" 
      android:focusableInTouchMode="false" 
      android:clickable="false" 
      android:focusable="false" 
      /> 


    <TextView 
      android:layout_marginLeft="5dip" 
      android:layout_marginRight="5dip" 
      android:id="@+id/titolo" 
      android:layout_toRightOf="@id/immagine" 
      android:layout_width="wrap_content" 
      style="@style/Titolo" 
      android:layout_below="@+id/datanews" 
      android:layout_height="50dip" 
      android:focusableInTouchMode="false" 
      android:clickable="false" 
      android:focusable="false" 
      /> 
    </RelativeLayout> 

</RelativeLayout> 

main.xml中

<?xml version="1.0" encoding="utf-8"?> 
<LinearLayout 
xmlns:android="http://schemas.android.com/apk/res/android" 
android:orientation="vertical" 
android:layout_width="fill_parent" 
android:layout_height="fill_parent" 
android:background="@drawable/sfondo"> 

<ImageView 
    android:id="@+id/imageView1" 
    android:layout_width="100dip" 
    android:layout_height="100dip" 
    android:layout_gravity="center" 
    android:src="@drawable/logo" 
    android:layout_marginTop="10dip" 
    /> 

<ListView 

    android:id="@android:id/list" 
    android:layout_width="fill_parent" 
    android:layout_height="fill_parent" 
    android:drawSelectorOnTop="false" 
    android:cacheColorHint="#00000000" 
    android:divider="#00000000" 

    /> 

</LinearLayout> 

Answer 1

你應該重新轉true代替false在isEnabled

@Override 
    public boolean isEnabled(int position) { 
     return false; 
    } 

從文檔：

返回true如果在指定位置的項目不是一個分隔符。 （分隔符是不可選擇的，不可點擊的項目）。