Set Image
suggest changeSwift
button.setImage(UIImage(named:"test-image"), forState: .normal)Objective C
[self.button setImage:[UIImage imageNamed:@"test-image"] forState:UIControlStateNormal];—
Multiple Control States
You can also set an image for multiple UIControlStates, for example to set the same image for the Selected and Highlighted state:
Swift
button.setImage(UIImage(named:"test-image"), forState:[.selected, .highlighted])Objective C
[self.button setImage:[UIImage imageNamed:@"test-image"] forState:UIControlStateSelected|UIControlStateHighlighted];
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