android change image button background -


i cannot seem change background image of image button. heres code i'm trying use:

imagebutton imgbutton = (imagebutton) findviewbyid(r.id.showsportsbutton); imgbutton.setbackgroundresource(r.drawable.tab2_selected);

however seem placing new image on top of old image leaving me 2 images overlapping each other.

does know why is??

for solving question should implement

imgbutton.setimageresource(r.drawable. tab2_selected);

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