Slightly round corners of popup arrow

    <dimen name="popup_arrow_horizontal_center">24dp</dimen>

    <!-- popup_arrow_center - popup_arrow_width / 2-->

    <dimen name="popup_arrow_horizontal_offset">19dp</dimen>

    <dimen name="popup_arrow_corner_radius">2dp</dimen>

    <!-- popup_item_width - icon_size - padding_start - drawable_padding -->

    <dimen name="deep_shortcuts_divider_width">158dp</dimen>

    <dimen name="system_shortcut_icon_size">24dp</dimen>

import android.content.Context;

import android.content.res.Resources;

import android.graphics.Color;

import android.graphics.CornerPathEffect;

import android.graphics.Paint;

import android.graphics.PointF;

import android.graphics.Rect;

import android.graphics.drawable.ShapeDrawable;

        } else {

            ShapeDrawable arrowDrawable = new ShapeDrawable(TriangleShape.create(

                    width, height, !mIsAboveIcon));

            arrowDrawable.getPaint().setColor(Color.WHITE);

            Paint arrowPaint = arrowDrawable.getPaint();

            arrowPaint.setColor(Color.WHITE);

            // The corner path effect won't be reflected in the shadow, but shouldn't be noticeable.

            int radius = getResources().getDimensionPixelSize(R.dimen.popup_arrow_corner_radius);

            arrowPaint.setPathEffect(new CornerPathEffect(radius));

            arrowView.setBackground(arrowDrawable);

            arrowView.setElevation(getElevation());

        }