Try with something like this..
private Button btn1
private Button btn2;
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.yourPage);
btn1=(Button)findViewById(R.id.btn_1);
btn2=(Button)findViewById(R.id.btn_2);
btn1.setOnClickListener(this);
btn2.setOnClickListener(this);
}
public void onClick(View v) {
switch (v.getId()) {
case R.id.btn_1:
break;
case R.id.btn_2:
break;
}