UIButton颜色问题

Cod*_*Guy 3 iphone uibutton ios

如何更改UIButton上文本的颜色.这是我目前的代码:

    UIButton *b1 = [[UIButton alloc] init];
    b1.frame = CGRectMake(280,395,30,30);
    [[b1 layer] setCornerRadius:8.0f];
    [[b1 layer] setMasksToBounds:YES];
    [[b1 layer] setBorderWidth:1.0f];
    [[b1 layer] setBackgroundColor:[botCol CGColor]];
    b1.titleLabel.font = [UIFont boldSystemFontOfSize:24];
    [b1 setTitleColor:[UIColor redColor] forState:UIControlEventAllEvents];
    [b1 addTarget:self action:@selector(NextButtonPressed:) forControlEvents:UIControlEventTouchUpInside];
    [b1 setTitle:@">" forState:UIControlStateNormal];
    [self.view addSubview:b1];
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这是它的样子(忽略背景颜色和东西):

在此输入图像描述

现在,我怎么能让箭头变成红色?如您所见,我已经有以下内容:

[b1 setTitleColor:[UIColor redColor] forState:UIControlEventAllEvents];
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但它不起作用.

sud*_*-rf 8

尝试设置各个事件,例如:

[b1 setTitleColor:[UIColor redColor] forState:UIControlStateNormal];
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