I try to change the default material of sprite,why it dose not working on the UMG

Development Asset Creation
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1

I apply a sprite to my UMG widget,When I change the material of sprite,it dose not working,but when I put the sprite to my scene,it normal appearing ,is there anyone can help me?I’m sorry,my english is not very good,thank you!

2

you should be using the texture in UMG, not a sprite. They are different

3

Thank you at the first,but the sprite be used in UMG is necessary,because when I package my progress to ios,all the texture’s size requires power of 2,so I need package my textue.
Now,I cncounter a problem when I change the material of sprite.the method refer to
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