Created
July 9, 2012 00:38
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PPI of iOS device
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| float screenResolution() { | |
| struct utsname systemInfo; | |
| uname(&systemInfo); | |
| char *name = systemInfo.machine; | |
| float ppi; | |
| if ((strstr(name, "iPod") != NULL) && (strstr(name, "iPod4") == NULL)) { | |
| // older ipod touches | |
| ppi = 163; | |
| } else if ((strstr(name, "iPhone") != NULL) && (strstr(name, "iPhone3") == NULL)) { | |
| // older non-retina iphones | |
| ppi = 163; | |
| } else if ((strstr(name, "iPad") != NULL) && (strstr(name, "iPad3") == NULL)) { | |
| // ipad 1, ipad 2 | |
| ppi = 132; | |
| } else if (strstr(name, "iPad3") != NULL) { | |
| // ipad 3 | |
| ppi = 264; | |
| } else { | |
| // iphone 4/4s, ipod touch 4g or simulator | |
| ppi = 326; | |
| } | |
| return ppi; | |
| } |
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