Button btn1 = (Button) thisLayout             .findViewById(R.id.btnDb1);      btn1.setOnClickListener(new OnClickListener() {          @Override         public void onClick(View v) {             // TODO Auto-generated method stub             Intent intent = new Intent(getActivity(), otherActivity.class);             ((MainActivity) getActivity()).startActivity(intent);          }     });      return thisLayout; }

Read more of this post