If you want the the display dimensions in pixels you can use
For the use case you’re describing however a margin/padding in the layout seems more appropriate.
Context context = getApplicationContext(); Display display = ((WindowManager) context.getSystemService(Context.WINDOW_SERVICE)).getDefaultDisplay(); int width = display.getWidth(); int height = display.getHeight();
or
Display display = getWindowManager().getDefaultDisplay(); int width = display.getWidth();int height = display.getHeight();