Creating a ContextMenu on a ListView

package org.anddev.contextmenusample;

import java.util.ArrayList;

import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
import android.view.ContextMenu;
import android.view.View;
import android.view.MenuItem;
import android.view.ContextMenu.ContextMenuInfo;
import android.view.View.OnCreateContextMenuListener;
import android.view.View.OnLongClickListener;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.AdapterView.AdapterContextMenuInfo;
import android.widget.AdapterView.OnItemLongClickListener;

public class ContextMenuSample extends Activity{

// ===========================================================
// Final Fields
// ===========================================================
protected static final int CONTEXTMENU_DELETEITEM = 0;

// ===========================================================
// Fields
// ===========================================================

protected ListView mFavList;
protected ArrayList<Favorite> fakeFavs = new ArrayList<Favorite>();

// ===========================================================
// "Constructors"
// ===========================================================

/** Called when the activity is first created. */
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
setContentView(R.layout.main);

/* Add some items to the list the listview will be showing. */
fakeFavs.add(new Favorite("John", "nice guy"));
fakeFavs.add(new Favorite("Yasmin", "hot girl"));
fakeFavs.add(new Favorite("Jack", "cool guy"));

this.mFavList = (ListView) this.findViewById(R.id.list_favorites);
initListView();
}

private void refreshFavListItems() {
mFavList.setAdapter(new ArrayAdapter<Favorite>(this,
android.R.layout.simple_list_item_1, fakeFavs));
}

private void initListView() {
/* Loads the items to the ListView. */
refreshFavListItems();

/* Add Context-Menu listener to the ListView. */
//mFavList.setOnItemLongClickListener();
mFavList.setOnCreateContextMenuListener(new OnCreateContextMenuListener() {

@Override
public void onCreateContextMenu(ContextMenu menu, View v,
ContextMenuInfo menuInfo) {
// TODO Auto-generated method stub
menu.setHeaderTitle("ContextMenu");
menu.add(0, CONTEXTMENU_DELETEITEM,0, "Delete this favorite!");

}


});
/*mFavList.setOnItemLongClickListener( new AdapterView.OnItemLongClickListener
(){
@Override
public boolean onItemLongClick(AdapterView<?> av, View v, int pos, long id) {
Log.i("Debug", "Log id "+id+" pos "+pos);
return false;
}
});
*/

}

// ===========================================================
// Methods from SuperClass/Interfaces
// ===========================================================

@Override
public boolean onContextItemSelected(MenuItem aItem) {
AdapterContextMenuInfo menuInfo = (AdapterContextMenuInfo) aItem.getMenuInfo();

/* Switch on the ID of the item, to get what the user selected. */
switch (aItem.getItemId()) {
case CONTEXTMENU_DELETEITEM:
/* Get the selected item out of the Adapter by its position. */
Favorite favContexted = (Favorite) mFavList.getAdapter()
.getItem(menuInfo.position);
/* Remove it from the list.*/
fakeFavs.remove(favContexted);

refreshFavListItems();
return true; /* true means: "we handled the event". */
}
return false;
}

// ===========================================================
// Inner and Anonymous Classes
// ===========================================================

/** Small class holding some basic */
protected class Favorite {

protected String name;
protected String kindness;

protected Favorite(String name, String kindness) {
this.name = name;
this.kindness = kindness;
}

/** The ListView is going to display the toString() return-value! */
public String toString() {
return name + " (" + kindness + ")";
}

public boolean equals(Object o) {
return o instanceof Favorite && ((Favorite) o).name.compareTo(name) == 0;
}
}
}

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