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Added ppi method #35

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5 changes: 5 additions & 0 deletions UIDevice-Hardware.h
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Original file line number Diff line number Diff line change
Expand Up @@ -33,4 +33,9 @@ typedef NS_ENUM(NSUInteger, UIDeviceFamily) {
*/
- (UIDeviceFamily)deviceFamily;

/**
Returns the PPI of the device's screen
*/
- (CGFloat) ppi;

@end
120 changes: 120 additions & 0 deletions UIDevice-Hardware.m
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Expand Up @@ -173,4 +173,124 @@ - (UIDeviceFamily) deviceFamily
return UIDeviceFamilyUnknown;
}

- (CGFloat) ppi
{
// sources
// https://en.wikipedia.org/wiki/List_of_iOS_devices
// https://en.wikipedia.org/wiki/IPad

NSString *machineId = [self modelIdentifier];

// iPad

if ([machineId isEqualToString:@"iPad1,1"]) return 132; // 1st gen ipad
if ([machineId isEqualToString:@"iPad2,1"]) return 132; // ipad 2
if ([machineId isEqualToString:@"iPad2,2"]) return 132; // ipad 2
if ([machineId isEqualToString:@"iPad2,3"]) return 132; // ipad 2
if ([machineId isEqualToString:@"iPad2,4"]) return 132; // ipad 2
if ([machineId isEqualToString:@"iPad3,1"]) return 264; // iPad 3
if ([machineId isEqualToString:@"iPad3,2"]) return 264; // iPad 3
if ([machineId isEqualToString:@"iPad3,3"]) return 264; // iPad 3
if ([machineId isEqualToString:@"iPad3,4"]) return 264; // iPad 4
if ([machineId isEqualToString:@"iPad3,5"]) return 264; // iPad 4
if ([machineId isEqualToString:@"iPad3,6"]) return 264; // iPad 4
if ([machineId isEqualToString:@"iPad4,1"]) return 264; // iPad Air
if ([machineId isEqualToString:@"iPad4,2"]) return 264; // iPad Air
if ([machineId isEqualToString:@"iPad4,3"]) return 264; // iPad Air (China)
if ([machineId isEqualToString:@"iPad5,3"]) return 264; // iPad Air 2
if ([machineId isEqualToString:@"iPad5,4"]) return 264; // iPad Air 2
if ([machineId isEqualToString:@"iPad6,11"]) return 264; // iPad 9.7" 5th Gen (Wi-Fi Only)
if ([machineId isEqualToString:@"iPad6,12"]) return 264; // iPad 9.7" 5th Gen (Wi-Fi/Cellular)
if ([machineId isEqualToString:@"iPad7,5"]) return 264; // iPad 9.7" 5th Gen (Wi-Fi Only)
if ([machineId isEqualToString:@"iPad7,6"]) return 264; // iPad 9.7" 5th Gen (Wi-Fi/Cellular)
if ([machineId isEqualToString:@"iPad11,3"]) return 264; // iPad 9.7" 5th Gen (Wi-Fi Only)
if ([machineId isEqualToString:@"iPad11,4"]) return 264; // iPad 9.7" 5th Gen (Wi-Fi/Cellular)

// iPad Minis

if ([machineId isEqualToString:@"iPad2,5"]) return 163; // ipad mini
if ([machineId isEqualToString:@"iPad2,6"]) return 163; // ipad mini
if ([machineId isEqualToString:@"iPad2,7"]) return 163; // ipad mini
if ([machineId isEqualToString:@"iPad4,4"]) return 326; // ipad mini retina
if ([machineId isEqualToString:@"iPad4,5"]) return 326; // ipad mini retina
if ([machineId isEqualToString:@"iPad4,6"]) return 326; // ipad mini retina
if ([machineId isEqualToString:@"iPad4,7"]) return 326; // iPad Mini 3
if ([machineId isEqualToString:@"iPad4,8"]) return 326; // iPad Mini 3
if ([machineId isEqualToString:@"iPad4,9"]) return 326; // iPad Mini 3
if ([machineId isEqualToString:@"iPad5,1"]) return 326; // iPad Mini 4 (WiFi)
if ([machineId isEqualToString:@"iPad5,2"]) return 326; // iPad Mini 4 (LTE)
if ([machineId isEqualToString:@"iPad11,1"]) return 326; // iPad Mini 5 (WiFi)
if ([machineId isEqualToString:@"iPad11,2"]) return 326; // iPad Mini 5 (LTE)

// iPad Pro

if ([machineId isEqualToString:@"iPad6,7"]) return 264; // iPad Pro 12.9in
if ([machineId isEqualToString:@"iPad6,8"]) return 264; // iPad Pro 12.9in
if ([machineId isEqualToString:@"iPad6,3"]) return 264; // iPad Pro 9.7in
if ([machineId isEqualToString:@"iPad6,4"]) return 264; // iPad Pro 9.7in
if ([machineId isEqualToString:@"iPad7,1"]) return 264; // iPad Pro 2 12.9in
if ([machineId isEqualToString:@"iPad7,2"]) return 264; // iPad Pro 2 12.9in
if ([machineId isEqualToString:@"iPad7,3"]) return 264; // iPad Pro 2 9.7in
if ([machineId isEqualToString:@"iPad7,4"]) return 264; // iPad Pro 2 9.7in
if ([machineId isEqualToString:@"iPad8,5"]) return 264; // iPad Pro 3 12.9in
if ([machineId isEqualToString:@"iPad8,6"]) return 264; // iPad Pro 3 12.9in
if ([machineId isEqualToString:@"iPad8,7"]) return 264; // iPad Pro 3 12.9in
if ([machineId isEqualToString:@"iPad8,1"]) return 264; // iPad Pro 3 12.9in
if ([machineId isEqualToString:@"iPad8,2"]) return 264; // iPad Pro 3 12.9in
if ([machineId isEqualToString:@"iPad7,3"]) return 264; // iPad Pro 2 9.7in

//iPhone

if ([machineId isEqualToString:@"iPhone1,1"]) return 163; // iPhone

if ([machineId isEqualToString:@"iPhone1,2"]) return 163; // iPhone 3G
if ([machineId isEqualToString:@"iPhone2,1"]) return 163; // iPhone 3GS
if ([machineId isEqualToString:@"iPhone3,1"]) return 326; // iPhone 4
if ([machineId isEqualToString:@"iPhone3,2"]) return 326; // iPhone 4
if ([machineId isEqualToString:@"iPhone3,3"]) return 326; // iPhone 4
if ([machineId isEqualToString:@"iPhone4,1"]) return 326; // iPhone 4S
if ([machineId isEqualToString:@"iPhone5,1"]) return 326; // iPhone 5
if ([machineId isEqualToString:@"iPhone5,2"]) return 326; // iPhone 5
if ([machineId isEqualToString:@"iPhone5,3"]) return 326; // iPhone 5C
if ([machineId isEqualToString:@"iPhone5,4"]) return 326; // iPhone 5C
if ([machineId isEqualToString:@"iPhone6,1"]) return 326; // iPhone 5S
if ([machineId isEqualToString:@"iPhone6,2"]) return 326; // iPhone 5S
if ([machineId isEqualToString:@"iPhone7,2"]) return 326; // iPhone 6
if ([machineId isEqualToString:@"iPhone7,1"]) return 401; // iPhone 6 Plus
if ([machineId isEqualToString:@"iPhone8,1"]) return 326; // iPhone 6S
if ([machineId isEqualToString:@"iPhone8,2"]) return 401; // iPhone 6S Plus
if ([machineId isEqualToString:@"iPhone8,4"]) return 326; // iPhone SE
if ([machineId isEqualToString:@"iPhone9,1"]) return 326; // iPhone 7
if ([machineId isEqualToString:@"iPhone9,3"]) return 326; // iPhone 7
if ([machineId isEqualToString:@"iPhone9,2"]) return 401; // iPhone 7 Plus
if ([machineId isEqualToString:@"iPhone9,4"]) return 401; // iPhone 7 Plus
if ([machineId isEqualToString:@"iPhone10,3"]) return 458; // iPhone X
if ([machineId isEqualToString:@"iPhone10,6"]) return 458; // iPhone X
if ([machineId isEqualToString:@"iPhone11,2"]) return 458; // iPhone XS
if ([machineId isEqualToString:@"iPhone11,4"]) return 458; // iPhone XS Max
if ([machineId isEqualToString:@"iPhone11,6"]) return 458; // iPhone XS Max
if ([machineId isEqualToString:@"iPhone10,1"]) return 326; // iPhone 8
if ([machineId isEqualToString:@"iPhone10,4"]) return 326; // iPhone 8
if ([machineId isEqualToString:@"iPhone10,2"]) return 401; // iPhone 8 Plus
if ([machineId isEqualToString:@"iPhone10,5"]) return 401; // iPhone 8 Plus
if ([machineId isEqualToString:@"iPhone11,8"]) return 326; // iPhone XR
if ([machineId isEqualToString:@"iPhone12,1"]) return 326; // iPhone 11
if ([machineId isEqualToString:@"iPhone12,3"]) return 458; // iPhone 11 Pro
if ([machineId isEqualToString:@"iPhone12,5"]) return 458; // iPhone 11 Pro Max

// iPod

if ([machineId isEqualToString:@"iPod1,1"]) return 163; // iPod Touch
if ([machineId isEqualToString:@"iPod2,1"]) return 163; // iPod Touch
if ([machineId isEqualToString:@"iPod3,1"]) return 163; // iPod Touch
if ([machineId isEqualToString:@"iPod4,1"]) return 326; // iPod Touch
if ([machineId isEqualToString:@"iPod5,1"]) return 326; // iPod Touch
if ([machineId isEqualToString:@"iPod7,1"]) return 326; // iPod Touch
if ([machineId isEqualToString:@"iPod9,1"]) return 326; // iPod Touch

// can't find the device, pick something sane
return 264;
}


@end