Question

I need to draw UI which is exactly twice the screen width, scrolled within HorizontalScrollView.

Pseudocode is like that:

<HorizontalScrollView width=device_screen>
  <myUI width=device_screen*2>...</myUI>
</HorizontalScrollView>

I do not want to set exact width in px/dp for each device on the market, but I did not find a way to set view width declaratively for ANY device relatively to its parent.

It there any way for that?

Answer 1

You can use WindowManager class to get current display info, multiply by 2 and assign it to the width of the view. Something like this:

WindowManager wm = getWindowManager();
Display d = wm.getDefaultDisplay();

int view_width = 2*d.getWidth();