How to dynamically add custom Button

            
No configuration
inside the xmlLike follows

 
public class AddButton extends Activity {
/ ** Called when the activity is first created. * / 
@ Override 
public void onCreate (Bundle savedInstanceState) {
super.onCreate (savedInstanceState); 
/ / SetContentView (R.layout.main); 
final LinearLayout layout2 = new LinearLayout (this); 
layout2.setOrientation (LinearLayout.VERTICAL); 
Button bt1 = new Button (this); 
setContentView (layout2); 
Button bt2 = new Button (this); 
bt1.setText ("Button 1"); 
bt2.setText ("Button 2"); 
layout2.addView (bt1); 
layout2.addView (bt2); 
setContentView (layout2); 
}} 

But how to add a custom button? ?
Reply:
How do you want to customize Act
Reply:
Custom button is nothing more than set the background, set the size.

 ViewGroup.LayoutParams params = new ViewGroup.LayoutParams (
ViewGroup.LayoutParams.WRAP_CONTENT, 
ViewGroup.LayoutParams.WRAP_CONTENT); 
bt1.setBackgroundResource (R.drawable.xx); 
bt1.setGravity (Gravity.CENTER); 
layout2.addView (root, params); 

The landlord of the first sentence setContentView (layout2); delete