我希望此方法检查条件是否为真,然后设置特定的按钮(按钮)以获得我指定的图像。这是代码。设置按钮图像方法
-(void)canAfford:(float) f: (UIButton*)button {
if([self playerHas:(f)] == YES) {
[button setImage:[UIImage imageNamed:nil] forState:UIControlStateNormal];
[button setImage:[UIImage imageNamed:@"ButtonBGclicked.png"] forState:UIControlStateHighlighted];
} else {
[button setImage:[UIImage imageNamed:@"ButtonBG.png"] forState:UIControlStateNormal];
[button setImage:[UIImage imageNamed:nil] forState:UIControlStateHighlighted];
}
}
这是我得到的错误。
2013-09-22 10:35:39.985 Tapple[15663:a0b] CUICatalog: Invalid asset name supplied: , or invalid scale factor: 1.000000
同样的错误仍在发生。 –
我想@bneely意味着'[button setImage:nil forState:UIControlStateHighlighted];' –