我有一个 UIImageView
网格。 5S 上的布局看起来不错,但 6 或 6+ 上的网格位于左上角。我决定尝试测试屏幕尺寸,这在this中有解释。问题(测试有效);然后根据屏幕尺寸,按照this中的建议使用CGRectMake
重新定位UIImageView
。邮政。这是代码:
if UIDevice().userInterfaceIdiom == .Phone {
switch UIScreen.mainScreen().nativeBounds.height {
case 480:
println("iPhone Classic")
case 960:
println("iPhone 4 or 4S")
case 1136:
println("Default Setup")
println("iPhone 5 or 5S or 5C")
case 1334:
dieImage0.frame = CGRectMake(42, 61, 152, 152)
dieImage1.frame = CGRectMake(247, 61, 152, 152)
dieImage2.frame = CGRectMake(42, 218, 152, 152)
dieImage3.frame = CGRectMake(247, 218, 152, 152)
dieImage4.frame = CGRectMake(42, 376, 152, 152)
dieImage5.frame = CGRectMake(247, 376, 152, 152)
dieImage6.frame = CGRectMake(42, 533, 152, 152)
dieImage7.frame = CGRectMake(247, 533, 152, 152)
println("iPhone 6")
case 2208:
dieImage0.frame = CGRectMake(141, 201, 228, 228)
dieImage1.frame = CGRectMake(819, 201, 228, 228)
dieImage2.frame = CGRectMake(141, 723, 228, 228)
dieImage3.frame = CGRectMake(819, 723, 228, 228)
dieImage4.frame = CGRectMake(141, 1242, 228, 228)
dieImage5.frame = CGRectMake(819, 1242, 228, 228)
dieImage6.frame = CGRectMake(141, 1764, 228, 228)
dieImage7.frame = CGRectMake(819, 1764, 228, 228)
println("iPhone 6+")
default:
println("unknown")
}
}
我知道测试有效,因为显示手机型号的消息打印正确,但图像的位置没有改变。然后当我触发 segue 转到第二个 View Controller 时
override func prepareForSegue(segue: UIStoryboardSegue, sender: AnyObject?) {
if segue.identifier == "showMenu" {
println("You pressed the menu button")
}
错误“ fatal error :展开可选值时意外发现 nil”被打印到控制台,并且在更改我正在测试的设备的图像位置的情况下的第一行抛出此错误:线程 1:EXC_BAD_INSTRUCTION(代码=EXC_1386_INVOP,子代码=0x0)
。有什么想法为什么会发生这种情况吗?
最佳答案
试试这个,
1) 检查 imageview 的 socket 连接
2) 在 viewWillAppear 下添加这个函数,如下所示
override func viewWillAppear(animated: Bool) {
...
...
let screenSize: CGRect = UIScreen.mainScreen().bounds
screenSize.origin
let screenWidth = screenSize.width;
let screenHeight = screenSize.height;
if(screenHeight == 667)
{
//do Something
}
else if(screenHeight == 667)
{
//do Something
}
}
关于ios - 根据设备的大小更改 UIImageViews 的位置,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/32444151/