UIButton中addSubview后,UIButton中的文字为什么显示在添加的View的上方
UIButton *button = [[UIButton alloc] initWithFrame:CGRectMake(i*100, 0, 100,40)];
NSString *buttonTitle = [types objectAtIndex:i];
[button setTitle:buttonTitle forState:UIControlStateNormal];
[button setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];
[button addTarget:self action:@selector(buttonAction:) forControlEvents:UIControlEventTouchUpInside];
//区分不同的button 1、可以根据frame的位置 2 设置tag
button.tag = 10000+i;
button.titleLabel.font = [UIFont systemFontOfSize:15.0];
[scrollView addSubview:button];
if (i==0) {
button.layer.borderColor = [UIColor cyanColor].CGColor;
button.layer.borderWidth = 2.0;
button.layer.cornerRadius = 5.0;
//CGPoint 只定义promptview的位置 宽高由文字大小定义
PromptView *promptView = [[PromptView alloc] initWithPoint:CGPointMake(button.frame.size.width-20, 0) message:5];
[button addSubview:promptView]; |
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