[英]UITabBar background image not showing properly
I made custom UITabBar class and tried to set background image. 我制作了自定义的UITabBar类,并尝试设置背景图像。
tabBar.backgroundImage = UIImage(named: "my_image")?.imageWithRenderingMode(.AlwaysOriginal)
I set the image file name to my_image@2x and image file is 640*98 我将图像文件名设置为my_image @ 2x,图像文件为640 * 98
I run on iPhone6 simulator and it seems the image is not wide enough like Google's "C" is repeated on sample below 我在iPhone6模拟器上运行,图像似乎不够宽,就像下面的示例中重复了Google的“ C”
Im I using wrong image size or is something else is wrong? 我使用的图像尺寸错误,还是其他错误?
Just redraw the image: 只需重新绘制图像:
var image = UIImage(named: "my_image")
if let image = image {
var centerImage: Bool = false
var resizeImage: UIImage?
let size = CGSize(width: UIScreen.mainScreen().bounds.size.width, height: 98)
UIGraphicsBeginImageContextWithOptions(size, false, 0)
if centerImage {
//if you want to center image, use this code
image.drawInRect(CGRect(origin: CGPoint(x: (size.width-image.size.width)/2, y: 0), size: image.size))
}
else {
//stretch image
image.drawInRect(CGRect(origin: CGPoint.zero, size: size))
}
resizeImage = UIGraphicsGetImageFromCurrentImageContext()
UIGraphicsEndImageContext()
tabBar.backgroundImage = resizeImage.imageWithRenderingMode(.AlwaysOriginal)
}
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