How to add a button dynamically in Android?

Question

How to add a button dynamically in Android?

Answer 1

Check this up.

LinearLayout ll_Main  = new LinearLayout(getActivity());
LinearLayout ll_Row01 = new LinearLayout(getActivity());
LinearLayout ll_Row02 = new LinearLayout(getActivity());

ll_Main.setOrientation(LinearLayout.VERTICAL);
ll_Row01.setOrientation(LinearLayout.HORIZONTAL);
ll_Row02.setOrientation(LinearLayout.HORIZONTAL);

final Button button01    = new Button(getActivity());
final Button button02    = new Button(getActivity());   
final Button button03    = new Button(getActivity());
final Button button04    = new Button(getActivity());

ll_Row01.addView(button01);
ll_Row01.addView(button02);

ll_Row02.addView(button03);
ll_Row02.addView(button04);

ll_Main.addView(ll_Row01);
ll_Main.addView(ll_Row02);

button04.setVisibility(View.INVISIBLE);
button04.setVisibility(View.VISIBLE);