public class MyActivity extends Fragment implements OnClickListener {
Button button;
@Override
public View onCreateView(LayoutInflater inflater,
ViewGroup container, Bundle savedInstanceState)
{
View view = inflater.inflate(
R.layout.activity_main, container, false);
button = (Button) view.findViewById(R.id.button1);
button.setOnClickListener(this);
return view;
}
@Override
public void onClick(View v) {
Toast.makeText(this.getActivity(),
"Button is clicked!", Toast.LENGTH_LONG).show();
}
}
<Button
android:id="@+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentRight="true"
android:text="OK" />