titleEdgeInsets 用于对齐按钮上的标题和图片。我在左侧做了图像，在右侧做了标题。但是当我单击按钮时，标题会向左移动。谢谢
UIImage *image = [UIImage imageNamed:imageName];
[self setImage:image forState:UIControlStateNormal];
CGSize imageSize = self.imageView.frame.size;
CGSize titleSize = self.titleLabel.frame.size;
self.imageEdgeInsets = UIEdgeInsetsMake(0, 10, 0, 0);
self.titleEdgeInsets = UIEdgeInsetsMake(0, ((self.frame.size.width-titleSize.width)/2)-imageSize.width, 0, 0);
self.contentHorizontalAlignment = UIControlContentHorizontalAlignmentLeft;
这是直接设置标题和图像的另一种方法的示例 ----> :)
试试这个方法，
UIButton *aButton = [UIButton buttonWithType:UIButtonTypeCustom];
aButton.frame = CGRectMake(0, 0, self.view.bounds.size.width, 40);
[aButton setImage:[UIImage imageNamed:@"imageName"] forState:UIControlStateNormal];
[aButton setTitle:@"Rate us on app store" forState:UIControlStateNormal];
[aButton setTitleEdgeInsets:UIEdgeInsetsMake(2, 50, 2, 20)];//set ur title insects also
[aButton setImageEdgeInsets:UIEdgeInsetsMake(2, -200, 2, 2)];//make negative edge for left side
[aButton setBackgroundColor:[UIColor greenColor]];
[self.view addSubview:aButton];
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