how to call intent in adapter class in android

1  Intent intent = new Intent(activity, CategoryListActivity.class);
2           // intent.putExtra(RequestParamUtils.FEATURE, true);
3            activity.startActivity(intent);

1 holder.fab.setOnClickListener(new View.OnClickListener() {
2            @Override
3            public void onClick(View v) {
4                Intent intent = new Intent(series.getApplicationContext(),VideoActivity.class);
5                String url = response.get(position).getUrl();
6                Bundle bundle = new Bundle();
7                bundle.putString("key_1",url);
8                intent.putExtras(bundle);
9                mContext.startActivity(intent);
10            }
11        });