使用自动布局更改应用程序的字体时,标签文本布局的问题 [英] issues with label text layout while changing the font for app using auto layout
问题描述
我在我的应用程序的自动布局工作。我有一个功能,通过滑块移动增加整个应用程序的字体大小。问题是当我增加字体大小的标签文本变成椭圆。
I am working on auto layout in my app.I have a functionality to increase the font size of entire app through slider movement.The issue is when i increase the font size the text of the label turns into ellipses.
我给我的标签的约束固定宽度和增加变量高度,但这不解决任何问题。
I have given the constraints to my label a fixed width and increasing variable height but this doesn't solve any problem.
我需要给换行模式(换行),并为每个文本指定行数,还是有其他解决方案?
Do i need to give line break mode (word-wrap) and specify the number of lines for every text or there any other solution to this ?
任何帮助将赞赏。
推荐答案
尝试:
从上,左和右侧,然后使标签高度大于或等于但不从下侧。
First bound constrain to label from upper, left and right side and then make the label height greater than or equal but don't bound from down side.
然后使用以下代码增加标签高度动态:
then use the following code to increase label height dynamically:
-(float)expectedHeightWithFontSize:(CGFloat)fontSize
{
CGRect lblTextSize = [self.yourLabel.text boundingRectWithSize:CGSizeMake(self.yourLabel.frame.size.width, MAXFLOAT)
options:NSStringDrawingUsesLineFragmentOrigin
attributes:@{NSFontAttributeName:[UIFont systemFontOfSize:fontSize]}
context:nil];
return lblTextSize.size.height;
}
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