private void set_sizes() { int button_width = (((WindowManager) getSystemService(Context.WINDOW_SERVICE)).getDefaultDisplay().getWidth()) / 3; int height = ((WindowManager) getSystemService(Context.WINDOW_SERVICE)).getDefaultDisplay().getHeight(); LinearLayout ll1 = (LinearLayout) findViewById(R.id.LL_buttons_first); ll1.setMinimumHeight(height / 3); LinearLayout ll2 = (LinearLayout) findViewById(R.id.LL_buttons_second); ll2.setMinimumHeight(height / 3); button_rewind.setWidth(button_width); button_foward.setWidth(button_width); button_stop.setWidth(button_width); button_mute.setWidth(button_width); button_quit.setWidth(button_width); button_fullscreen.setWidth(button_width); button_playpause.setWidth(button_width); }