<android.support.design.widget.BottomNavigationView android:layout_widthbottomNavigationView = new BottomNavigationView(this);
ViewGroup.LayoutParams params = new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_P
我想要中心的图标很大,就像:这就是我尝试过的: val bottomNavigationView =findViewById<BottomNavigationView>(R.id.navigationBottomView)
bottomNavigationView.getChildAt(0) as BottomNav