Normal 狀態(tài)下高亮UIControlStateHighlighted
Selected 狀態(tài)下高亮 UIControlStateSelected | UIControlStateHighlighted
+(void)setToggleBtn:(UIButton *)Btn
{
[Btn setImage:[UIImage imageNamed:@"power_off"] forState:UIControlStateNormal];
[Btn setImage:[UIImage imageNamed:@"power_on"] forState:UIControlStateSelected];
[Btn setImage:[UIImage imageNamed:@"power_press"] forState:UIControlStateHighlighted];
[Btn setImage:[UIImage imageNamed:@"power_press"] forState:UIControlStateSelected | UIControlStateHighlighted];
}
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