dynamic button in android studio

Question

hi everyone,i have managed to add button dynamically in android studio,

my question is i wont to declare that button public so that i can be able to access it

 

below is my code

for (int i=1;i<=5; i++)
{
    final Button btn= new Button(this);
    btn.setLayoutParams(new LinearLayout.LayoutParams(250,250));
    btn.setId(i);
    btn.setText("DATABASE" +i);
    btn.setText(itemArrayList.get(i).getCategory_desc()+"");
    layout.addView(btn);
}

i cant acces that button outside that for loop

 

any assistance will be appreciated