RangeSliderViewEx.java 文件源码

@AnimateMethod
public void setRadius(final float radius) {
    rippleRadius = radius;
    if (rippleRadius > 0) {
        RadialGradient radialGradient = new RadialGradient(
                downX,
                downY,
                rippleRadius * 3,
                Color.TRANSPARENT,
                Color.BLACK,
                Shader.TileMode.MIRROR
        );
        ripplePaint.setShader(radialGradient);
    }
    invalidate();
}