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我正在写一个带有渐变图像背景的标签的iPad应用程序。这已经在4.2,但它不再工作。每次我尝试运行时,无论我处于4.2还是4.3,我都会得到SIGABRT。我将把下面的代码放在下面,我会很感激任何帮助。谢谢。当调用'UIColor colorWithPatternImage'时阻止iOS SIGABRT
LabelSingAvg = [[UILabel alloc] initWithFrame:CGRectMake(70, -300, 200, 800)];
LabelSingAvg.text = @"99.8";
LabelSingAvg.font = [UIFont systemFontOfSize:90];
UIImage *myGradient = [UIImage imageNamed:@"textGradient.png"];
//Line that causes SIGABRT below:
LabelSingAvg.textColor = [UIColor colorWithPatternImage:myGradient];
LabelSingAvg.backgroundColor = [UIColor clearColor];
LabelSingAvg.textAlignment = UITextAlignmentCenter;
LabelSingAvg.adjustsFontSizeToFitWidth = YES;
LabelSingAvg.layer.shadowOpacity = .5;
LabelSingAvg.layer.shadowRadius = 4.0;
LabelSingAvg.layer.shadowColor = [UIColor blackColor].CGColor;
LabelSingAvg.layer.shadowOffset = CGSizeMake(1.0, 1.0);
//LabelSingAvg.alpha = 0.8;
[self.view addSubview:LabelSingAvg];
你确定'myGradient'不是'nil'吗? – FreeAsInBeer 2011-03-30 13:23:53
嗯,我认为,你的图像是零...无论如何,它可能会被释放(我真的怀疑),在这种情况下,尝试写在一行; p [[UIColor colorWithPatternImage:[ UIImage imageNamed:@“textGradient.png”]];' – Lepidopteron 2011-03-30 13:32:33
请你可以发布崩溃的调试器堆栈跟踪? – 2011-03-30 13:51:12