hi,
just verify how is the id to the listview defined in the layout file.
if it is as android:list in the layout,then u need to specify it as
(android.R.id.list) in the findViewById method
On Mar 28, 9:52 pm, mnavlani <monishanavl...@gmail.com> wrote:
> hello all,
> this is my first attempt at the UI. i tried to create a list view
> using the following code:
>
> package com.paad.todolist2;
>
> import java.util.ArrayList;
>
> import android.app.Activity;
> import android.os.Bundle;
> import android.view.KeyEvent;
> import android.view.View;
> import android.view.View.OnKeyListener;
> import android.widget.ArrayAdapter;
> import android.widget.EditText;
> import android.widget.ListView;
>
> public class ToDoList2 extends Activity {
> /** Called when the activity is first created. */
> // @Override
> // public void onCreate(Bundle savedInstanceState) {
> // super.onCreate(savedInstanceState);
> // setContentView(R.layout.main);
> // }
> public void onCreate(Bundle savedInstanceState) {
> // Inflate your view
> super.onCreate(savedInstanceState);
> setContentView(R.layout.main);
> // Get references to UI widgets
> ListView myListView = (ListView)findViewById(R.id.myListView);
> final EditText myEditText =
> (EditText)findViewById(R.id.myEditText);
> // Create the array list of to do items
> final ArrayList<String> todoItems = new ArrayList<String>();
> // Create the array adapter to bind the array to the listview
> final ArrayAdapter<String> aa;
> aa = new
> ArrayAdapter<String>(this,android.R.layout.simple_list_item_1,todoItems);
> // Bind the array adapter to the listview.
> myListView.setAdapter(aa);
> myEditText.setOnKeyListener(new OnKeyListener() {
> public boolean onKey1(View v, int keyCode, KeyEvent event) {
> if (event.getAction() == KeyEvent.ACTION_DOWN)
> if (keyCode == KeyEvent.KEYCODE_DPAD_CENTER)
> {
> todoItems.add(0, myEditText.getText().toString());
> aa.notifyDataSetChanged();
> myEditText.setText(" ");
> return true;
> }
> return false;
> }
>
> @Override
> public boolean onKey(View arg0, int arg1, KeyEvent
> arg2) {
> // TODO Auto-generated method stub
> return false;
> }
> });
> }
>
> }
>
> but, the line:
> ListView myListView = (ListView)findViewById(R.id.myListView);
> is giving an error :"R.id cannot be resolved".
>
> please help me regarding this.
>
> regards
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