我刚刚升级到Xcode 4.5 GM,发现你现在可以将“4英寸视网膜”大小应用到故事板中的视图控制器上。
现在,如果我想创建一个同时在iPhone 4和5上运行的应用程序,当然我必须构建每个窗口两次,但我还必须检测用户的iPhone屏幕是3.5英寸还是4英寸,然后应用视图。
我该怎么做呢?
我刚刚升级到Xcode 4.5 GM,发现你现在可以将“4英寸视网膜”大小应用到故事板中的视图控制器上。
现在,如果我想创建一个同时在iPhone 4和5上运行的应用程序,当然我必须构建每个窗口两次,但我还必须检测用户的iPhone屏幕是3.5英寸还是4英寸,然后应用视图。
我该怎么做呢?
当前回答
我认为它应该很好,如果这个宏将在设备和模拟器中工作,下面是解决方案。
#define IS_WIDESCREEN (fabs((double)[[UIScreen mainScreen]bounds].size.height - (double)568) < DBL_EPSILON)
#define IS_IPHONE (([[[UIDevice currentDevice] model] isEqualToString:@"iPhone"]) || ([[[UIDevice currentDevice] model] isEqualToString: @"iPhone Simulator"]))
#define IS_IPOD ([[[UIDevice currentDevice]model] isEqualToString:@"iPod touch"])
#define IS_IPHONE_5 ((IS_IPHONE || IS_IPOD) && IS_WIDESCREEN)
其他回答
+(BOOL)isDeviceiPhone5
{
BOOL iPhone5 = FALSE;
CGRect screenBounds = [[UIScreen mainScreen] bounds];
if (screenBounds.size.height == 568)
{
// code for 4-inch screen
iPhone5 = TRUE;
}
else
{
iPhone5 = FALSE;
// code for 3.5-inch screen
}
return iPhone5;
}
针对SDK和OS的任何组合进行测试和设计:
斯威夫特
增加了iPad类型。iPad 2和iPad mini是非视网膜iPad。而iPad Mini 2及以上,iPad 3,4, iPad Air, Air 2, Air 3和iPad Pro 9.7具有相同的1024逻辑分辨率。iPad Pro的maxLength为1366。参考
import UIKit
public enum DisplayType {
case unknown
case iphone4
case iphone5
case iphone6
case iphone6plus
case iPadNonRetina
case iPad
case iPadProBig
static let iphone7 = iphone6
static let iphone7plus = iphone6plus
}
public final class Display {
class var width:CGFloat { return UIScreen.main.bounds.size.width }
class var height:CGFloat { return UIScreen.main.bounds.size.height }
class var maxLength:CGFloat { return max(width, height) }
class var minLength:CGFloat { return min(width, height) }
class var zoomed:Bool { return UIScreen.main.nativeScale >= UIScreen.main.scale }
class var retina:Bool { return UIScreen.main.scale >= 2.0 }
class var phone:Bool { return UIDevice.current.userInterfaceIdiom == .phone }
class var pad:Bool { return UIDevice.current.userInterfaceIdiom == .pad }
class var carplay:Bool { return UIDevice.current.userInterfaceIdiom == .carPlay }
class var tv:Bool { return UIDevice.current.userInterfaceIdiom == .tv }
class var typeIsLike:DisplayType {
if phone && maxLength < 568 {
return .iphone4
}
else if phone && maxLength == 568 {
return .iphone5
}
else if phone && maxLength == 667 {
return .iphone6
}
else if phone && maxLength == 736 {
return .iphone6plus
}
else if pad && !retina {
return .iPadNonRetina
}
else if pad && retina && maxLength == 1024 {
return .iPad
}
else if pad && maxLength == 1366 {
return .iPadProBig
}
return .unknown
}
}
看看它的实际应用 https://gist.github.com/hfossli/bc93d924649de881ee2882457f14e346
注意:例如,如果iPhone 6处于放大模式,UI就是放大版的iPhone 5。这些功能不是决定设备类型,而是决定显示模式,因此iPhone 5是本例中的理想结果。
objective - c
#define IS_IPAD (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad)
#define IS_IPHONE (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPhone)
#define IS_RETINA ([[UIScreen mainScreen] scale] >= 2.0)
#define SCREEN_WIDTH ([[UIScreen mainScreen] bounds].size.width)
#define SCREEN_HEIGHT ([[UIScreen mainScreen] bounds].size.height)
#define SCREEN_MAX_LENGTH (MAX(SCREEN_WIDTH, SCREEN_HEIGHT))
#define SCREEN_MIN_LENGTH (MIN(SCREEN_WIDTH, SCREEN_HEIGHT))
#define IS_ZOOMED (IS_IPHONE && SCREEN_MAX_LENGTH == 736.0)
#define IS_IPHONE_4_OR_LESS (IS_IPHONE && SCREEN_MAX_LENGTH < 568.0)
#define IS_IPHONE_5 (IS_IPHONE && SCREEN_MAX_LENGTH == 568.0)
#define IS_IPHONE_6 (IS_IPHONE && SCREEN_MAX_LENGTH == 667.0)
#define IS_IPHONE_6P (IS_IPHONE && SCREEN_MAX_LENGTH == 736.0)
用法:http://pastie.org/9687735
注意:例如,如果iPhone 6处于放大模式,UI就是放大版的iPhone 5。这些功能不是决定设备类型,而是决定显示模式,因此iPhone 5是本例中的理想结果。
这里是正确的测试设备,不依赖于方向
- (BOOL)isIPhone5
{
CGSize size = [[UIScreen mainScreen] bounds].size;
if (MIN(size.width,size.height) == 320 && MAX(size.width,size.height == 568)) {
return YES;
}
return NO;
}
我发现答案并不包括模拟器的特殊情况。
#define IS_WIDESCREEN ( [ [ UIScreen mainScreen ] bounds ].size.height == 568 )
#define IS_IPHONE ([[ [ UIDevice currentDevice ] model ] rangeOfString:@"iPhone"].location != NSNotFound)
#define IS_IPAD ([[ [ UIDevice currentDevice ] model ] rangeOfString:@"iPad"].location != NSNotFound)
#define IS_IPHONE_5 ( IS_IPHONE && IS_WIDESCREEN )
Add a 'New Swift File'-> AppDelegateEx.swift add an extension to AppDelegate import UIKit extension AppDelegate { class func isIPhone5 () -> Bool{ return max(UIScreen.mainScreen().bounds.width, UIScreen.mainScreen().bounds.height) == 568.0 } class func isIPhone6 () -> Bool { return max(UIScreen.mainScreen().bounds.width, UIScreen.mainScreen().bounds.height) == 667.0 } class func isIPhone6Plus () -> Bool { return max(UIScreen.mainScreen().bounds.width, UIScreen.mainScreen().bounds.height) == 736.0 } } usage: if AppDelegate.isIPhone5() { collectionViewTopConstraint.constant = 2 }else if AppDelegate.isIPhone6() { collectionViewTopConstraint.constant = 20 }