如何增加按钮宽度动态取决于iphone中的文字大小? [英] How can i increase the button width dynamically depends on the text size in iphone?
问题描述
我给了一些条件并设置了框架大小。但是我如何设置确切的帧大小取决于文本(动态获取文本)。
这里我的示例代码是
float x = 0,y = 0,w,h = 20;
for(int i = 100; i <110; i ++)
{
btn = [[UIButton buttonWithType:UIButtonTypeRoundedRect] retain];
UIImage * img = [UIImage imageNamed:@Round_Rect4.png];
[btn setBackgroundImage:img forState:UIControlStateSelected];
titleString = [titleArray objectAtIndex:i-100]; //获取按钮标题
if([titleString length]< = 5)
{
w = 50;
btn.frame = CGRectMake(x,y,w,h);
x = x + 70;
}
if(([titleString length]> = 6)&&([titleString length]< = 10))
{
w = 70;
btn.frame = CGRectMake(x,y,w,h);
x = x + 90;
}
if(([titleString length]> = 11)&&([titleString length]< = 15))
{
w = 105;
btn.frame = CGRectMake(x,y,w,h);
x = x + 120;
}
if([titleString length]> = 16)
{
w = 120;
btn.frame = CGRectMake(x,y,w,h);
x = x + 140;
}
[btn setTitle:titleString forState:UIControlStateNormal];
[btn setTag:i];
[self.view addSubview:btn];
}
image-2 http:// www .freeimagehosting.net / uploads / b6e0f234dc.png
image-1 http: //www.freeimagehosting.net/uploads/6b3daab12f.png
所以这可以设置确切的按钮框架大小取决于文本?
谢谢
我得到了答案我的工作代码是,
float x = 0;
for(int i = 100; i <110; i ++)
{
btn = [[UIButton buttonWithType:UIButtonTypeRoundedRect] retain];
UIImage * img = [UIImage imageNamed:@Round_Rect4.png];
[btn setBackgroundImage:img forState:UIControlStateSelected];
titleString = [titleArray objectAtIndex:i-100]; //获取按钮标题
CGSize fontSize = [titleString sizeWithFont:[UIFont systemFontOfSize:12.0]];
CGRect currentFrame = btn.frame;
CGRect buttonFrame = CGRectMake(x,currentFrame.origin.y,fontSize.width + 22.0,fontSize.height + 12.0);
[btn setFrame:buttonFrame];
x = x + fontSize.width + 35.0;
[btn setTitle:titleString forState:UIControlStateNormal];
[btn setTag:i];
[self.view addSubview:btn];
}
I have created 10 buttons programmatically and set the titles in the button. Now i want to increase the button frame size dynamically,its depends on the text.
I given some conditions and set the frame size. but how can i set the exact frame size depends on the text(get the text dynamically).
Here my sample code is,
float x=0, y=0, w, h=20;
for(int i = 100; i < 110; i++)
{
btn = [[UIButton buttonWithType:UIButtonTypeRoundedRect] retain];
UIImage * img = [UIImage imageNamed:@"Round_Rect4.png"];
[btn setBackgroundImage:img forState:UIControlStateSelected];
titleString = [titleArray objectAtIndex:i-100]; // get button title
if([titleString length] <= 5)
{
w = 50;
btn.frame = CGRectMake(x,y,w,h);
x = x + 70;
}
if (([titleString length] >= 6) && ([titleString length] <=10))
{
w = 70;
btn.frame = CGRectMake(x,y,w,h);
x = x + 90;
}
if(([titleString length] >= 11) && ([titleString length] <=15))
{
w = 105;
btn.frame = CGRectMake(x,y,w,h);
x = x + 120;
}
if([titleString length] >= 16)
{
w = 120;
btn.frame = CGRectMake(x,y,w,h);
x = x + 140;
}
[btn setTitle:titleString forState: UIControlStateNormal];
[btn setTag:i];
[self.view addSubview:btn];
}
see the example image,
image-2 http://www.freeimagehosting.net/uploads/b6e0f234dc.png image-1 http://www.freeimagehosting.net/uploads/6b3daab12f.png
So is this possible to set the exact button frame size which depends on the text?, plz guide me.
Thanks
I got the answer and my working code is,
float x=0;
for(int i = 100; i < 110; i++)
{
btn = [[UIButton buttonWithType:UIButtonTypeRoundedRect] retain];
UIImage * img = [UIImage imageNamed:@"Round_Rect4.png"];
[btn setBackgroundImage:img forState:UIControlStateSelected];
titleString = [titleArray objectAtIndex:i-100]; // get button title
CGSize fontSize = [titleString sizeWithFont:[UIFont systemFontOfSize:12.0]];
CGRect currentFrame = btn.frame;
CGRect buttonFrame = CGRectMake(x, currentFrame.origin.y, fontSize.width + 22.0, fontSize.height + 12.0);
[btn setFrame:buttonFrame];
x = x + fontSize.width + 35.0;
[btn setTitle:titleString forState: UIControlStateNormal];
[btn setTag:i];
[self.view addSubview:btn];
}
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