カスタマイズされたListViewアダプターを使用する がありますが、ListView アイテムをクリックできません。
リスト ビューのアクティビティ ..
package com.adhamenaya.projects;
import java.util.ArrayList;
import android.app.Activity;
import android.content.Context;
import android.os.AsyncTask;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.Button;
import android.widget.Filter;
import android.widget.Filterable;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;
import com.adhamenaya.classes.Place;
public class PlacesListActivity extends Activity {
private ArrayList<Place> places;
private ArrayList<String> items;
GridviewAdapter mAdapter;
private ListView lvPlaces;
private EfficientAdapter adap;
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.places_list);
lvPlaces = (ListView) this.findViewById(R.id.lvPlaces);
new DowanloadPlaces().execute("");
}
private void bindList(ArrayList<Place> places) {
this.places = places;
// Start creating the list view to show articles
items = new ArrayList<String>();
for (int i = 0; i < places.size(); i++) {
items.add(String.valueOf(places.get(i).mName));
}
adap = new EfficientAdapter(this);
adap.notifyDataSetChanged();
lvPlaces.setAdapter(adap);
}
// EfficientAdapter : to make a customized list view item
public class EfficientAdapter extends BaseAdapter implements Filterable {
// The function of inflater to convert objects from XML layout file (i.e. main.xml) to a programmable
LayoutInflater inflater;
Context context;
public EfficientAdapter(Context context) {
inflater = LayoutInflater.from(context);
this.context = context;
}
public int getCount() {
// Get the number of items in the list
return items.size();
}
public Object getItem(int position) {
// To return item from a list in the given position
return items.get(position);
}
public long getItemId(int position) {
// TODO Auto-generated method stub
return 0;
}
public View getView(final int position, View convertView,ViewGroup parent) {
ViewHolder holder;
if (convertView == null) {
convertView = inflater.inflate(R.layout.adaptor_content, null);
holder = new ViewHolder();// Create an object to hold at components in the list view item
holder.textLine = (TextView) convertView.findViewById(R.id.textLine);
holder.buttonLine = (Button) convertView.findViewById(R.id.buttonLine);
holder.buttonLine.setOnClickListener(new OnClickListener() {
private int pos = position;
public void onClick(View v) {
places.remove(pos);
bindList(places);// to bind list items
Toast.makeText(getApplicationContext(),"Deleted successfuly :)", Toast.LENGTH_LONG).show();
}
});
convertView.setTag(holder);
} else {
holder = (ViewHolder) convertView.getTag();
}
// Bind the data efficiently with the holder.
holder.textLine.setText(String.valueOf(places.get(position).mName));
return convertView;
}
public Filter getFilter() {
// TODO Auto-generated method stub
return null;
}
}
// ViewHolder : class that represents a list view items
static class ViewHolder {
TextView textLine;
Button buttonLine;
}
// DownloadRSSFeedsTask: works in a separate thread
private class DowanloadPlaces extends AsyncTask<String, Void, ArrayList<Place>> {
@Override
protected ArrayList<Place> doInBackground(String... params) {
ArrayList<Place> places = new ArrayList<Place>();
Place p = new Place();
for(int i =0;i<25;i++){
p.mName = "Al Mathaf Hotel";
places.add(p);
}
return places;
}
@Override
protected void onPostExecute(ArrayList<Place> places) {
bindList(places);
}
}
}
place_list.xml レイアウト
<?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">
<ListView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="@+id/lvPlaces">
</ListView>
</LinearLayout>
adapter_content.xml レイアウト
<ImageView
android:id="@+id/imageView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/textLine"
android:layout_centerVertical="true"
android:src="@drawable/settings" />
</RelativeLayout>