AssetPostprocessor.OnPostprocessSprites(Texture2D, Sprite[])

Description

Add this function to a subclass to get a notification when an texture of sprite(s) has completed importing.

For Multiple sprite-mode assets each sprite will be passed in the second argument as an array of sprites.

using UnityEngine;
using UnityEditor;

public class Example : AssetPostprocessor
{
    void OnPostprocessSprites(Texture2D texture, Sprite[] sprites)
    {
        Debug.Log("Sprites: " + sprites.Length);
    }

    void OnPostprocessTexture(Texture2D texture)
    {
        Debug.Log("Texture2D: (" + texture.width + "x" + texture.height + ")");
    }
}