Add seperators to menu
suggest changeAccess the RecyclerView in the NavigationView and add ItemDecoration to it.
NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view); NavigationMenuView navMenuView = (NavigationMenuView) navigationView.getChildAt(0); navMenuView.addItemDecoration(new DividerItemDecoration(this));
Code for DividerItemDecoration
public class DividerItemDecoration extends RecyclerView.ItemDecoration { private static final int[] ATTRS = new int[]{android.R.attr.listDivider}; private Drawable mDivider; public DividerItemDecoration(Context context) { final TypedArray styledAttributes = context.obtainStyledAttributes(ATTRS); mDivider = styledAttributes.getDrawable(0); styledAttributes.recycle(); } @Override public void onDraw(Canvas c, RecyclerView parent, RecyclerView.State state) { int left = parent.getPaddingLeft(); int right = parent.getWidth() - parent.getPaddingRight(); int childCount = parent.getChildCount(); for (int i = 1; i < childCount; i++) { View child = parent.getChildAt(i); RecyclerView.LayoutParams params = (RecyclerView.LayoutParams) child.getLayoutParams(); int top = child.getBottom() + params.bottomMargin; int bottom = top + mDivider.getIntrinsicHeight(); mDivider.setBounds(left, top, right, bottom); mDivider.draw(c); } } }
Preview:

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