hi,
You have to do setContent View Before you do Button button =
(Button)findViewById(R.id.okButt);
On Tue, Apr 8, 2008 at 5:45 PM, basant <[EMAIL PROTECTED]> wrote:
>
> Hi Friends,
>
> Can any body, please tell me how to listen to a button click.I have
> written code for that but it's throwing null pointer exception.
>
> I am pasting my code,
> **************************************************
> package pkg.pkg1;
>
> import android.app.Activity;
>
> import android.os.Bundle;
> import android.text.Layout.Alignment;
> import android.view.View;
> import android.view.View.OnClickListener;
>
> import android.widget.Button;
> import android.widget.EditText;
> import android.widget.TextView;
>
> public class Activity1 extends Activity {
> /** Called when the activity is first created. */
> @Override
> protected void onCreate(Bundle savedValues) {
> super.onCreate(savedValues);
>
>
> Button button = (Button)findViewById(R.id.okButt);
> //OnClickListener mCorkyListener = new OnClickListener();
> button.setOnClickListener(mCorkyListener);
> setContentView(R.layout.first);
> }
> private OnClickListener mCorkyListener = new OnClickListener()
> {
> public void onClick(View v)
> {
> // To send a result, simply call setResult() before your
> // activity is finished.
> setContentView(R.layout.second);
> }
> };
>
> }
> *************************************************
>
>
>
>
> Please help me, it's urgent.
>
> Thanks & Regards,
> Basant.
> >
>
--
Deepak Kumar Singh
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