Updated isSlowDevice

steipete · Oct 19, 2011 · 03d8ccf · 03d8ccf
1 parent f75c78d
commit 03d8ccf
Showing 1 changed file with 79 additions and 68 deletions.
diff --git a/Categories/UIDevice/UIDeviceHelper.m b/Categories/UIDevice/UIDeviceHelper.m
@@ -33,67 +33,67 @@
 @implementation UIDevice (Helper)
 
 + (NSString *)debugInfo {
-  NSString *appName = [[[NSBundle mainBundle] infoDictionary] objectForKey:@"CFBundleName"];
+    NSString *appName = [[[NSBundle mainBundle] infoDictionary] objectForKey:@"CFBundleName"];
-  NSString *appVersion = [[[NSBundle mainBundle] infoDictionary] objectForKey:@"CFBundleVersion"];
+    NSString *appVersion = [[[NSBundle mainBundle] infoDictionary] objectForKey:@"CFBundleVersion"];
-  NSString *appShortVersion = [[[NSBundle mainBundle] infoDictionary] objectForKey:@"CFBundleShortVersionString"]; 
+    NSString *appShortVersion = [[[NSBundle mainBundle] infoDictionary] objectForKey:@"CFBundleShortVersionString"]; 
 #ifndef APPSTORE
-  // adds this special string for better bug mail filtering
+    // adds this special string for better bug mail filtering
-  appVersion = [NSString stringWithFormat:@"%@ AdHoc", appVersion];
+    appVersion = [NSString stringWithFormat:@"%@ AdHoc", appVersion];
 #endif
-  NSString *iphoneOSVersion = [[UIDevice currentDevice] systemVersion];
+    NSString *iphoneOSVersion = [[UIDevice currentDevice] systemVersion];
-  NSString *deviceType = [[UIDevice currentDevice] platform];
+    NSString *deviceType = [[UIDevice currentDevice] platform];
-  if ([[UIDevice currentDevice] isJailbroken]) {
+    if ([[UIDevice currentDevice] isJailbroken]) {
-    deviceType = [NSString stringWithFormat:@"%@ JB", deviceType];
+        deviceType = [NSString stringWithFormat:@"%@ JB", deviceType];
-  }
+    }
-  NSString *deviceUUID = [[UIDevice currentDevice] uniqueIdentifier];
+    NSString *deviceUUID = [[UIDevice currentDevice] uniqueIdentifier];
-  NSString *deviceLang = [[NSLocale preferredLanguages] objectAtIndex:0];
+    NSString *deviceLang = [[NSLocale preferredLanguages] objectAtIndex:0];
-  return [NSString stringWithFormat:@"%@ %@ %@\niOS: %@\nDevice: %@\nUUID: %@\nLang: %@", appName, appVersion, (appShortVersion ? appShortVersion : @""), iphoneOSVersion, deviceType, deviceUUID, deviceLang];
+    return [NSString stringWithFormat:@"%@ %@ %@\niOS: %@\nDevice: %@\nUUID: %@\nLang: %@", appName, appVersion, (appShortVersion ? appShortVersion : @""), iphoneOSVersion, deviceType, deviceUUID, deviceLang];
 }
 
 // http://blog.zachwaugh.com/post/309927273/programmatically-retrieving-ip-address-of-iphone
 + (NSString *)ipAddress {
-  NSString *address = @"error";
+    NSString *address = @"error";
-  struct ifaddrs *interfaces = NULL;
+    struct ifaddrs *interfaces = NULL;
-  struct ifaddrs *temp_addr = NULL;
+    struct ifaddrs *temp_addr = NULL;
-  int success = 0;
+    int success = 0;
-
+
-  // retrieve the current interfaces - returns 0 on success
+    // retrieve the current interfaces - returns 0 on success
-  success = getifaddrs(&interfaces);
+    success = getifaddrs(&interfaces);
-  if (success == 0)
+    if (success == 0)
-  {
-    // Loop through linked list of interfaces
-    temp_addr = interfaces;
-    while(temp_addr != NULL)
     {
-      if(temp_addr->ifa_addr->sa_family == AF_INET)
+        // Loop through linked list of interfaces
-      {
+        temp_addr = interfaces;
-        // Check if interface is en0 which is the wifi connection on the iPhone
+        while(temp_addr != NULL)
-        if([[NSString stringWithUTF8String:temp_addr->ifa_name] isEqualToString:@"en0"])
         {
-          // Get NSString from C String
+            if(temp_addr->ifa_addr->sa_family == AF_INET)
-          address = [NSString stringWithUTF8String:inet_ntoa(((struct sockaddr_in *)temp_addr->ifa_addr)->sin_addr)];
+            {
+                // Check if interface is en0 which is the wifi connection on the iPhone
+                if([[NSString stringWithUTF8String:temp_addr->ifa_name] isEqualToString:@"en0"])
+                {
+                    // Get NSString from C String
+                    address = [NSString stringWithUTF8String:inet_ntoa(((struct sockaddr_in *)temp_addr->ifa_addr)->sin_addr)];
+                }
+            }
+
+            temp_addr = temp_addr->ifa_next;
         }
-      }
-
-      temp_addr = temp_addr->ifa_next;
     }
-  }
+
-
+    // Free memory
-  // Free memory
+    freeifaddrs(interfaces);
-  freeifaddrs(interfaces);
+
-
+    return address;
-  return address;
 }
 
 - (double)availableMemory {
 	vm_statistics_data_t vmStats;
 	mach_msg_type_number_t infoCount = HOST_VM_INFO_COUNT;
 	kern_return_t kernReturn = host_statistics(mach_host_self(), HOST_VM_INFO, (host_info_t)&vmStats, &infoCount);
-
+    
 	if(kernReturn != KERN_SUCCESS) {
 		return NSNotFound;
 	}
-
+    
 	return ((vm_page_size * vmStats.free_count) / 1024.0) / 1024.0;
 }
 
@@ -107,39 +107,50 @@ - (double)availableMemory {
 
 // http://stackoverflow.com/questions/1108859/detect-the-specific-iphone-ipod-touch-model
 - (NSString *)platform {
-  size_t size;
+    size_t size;
-  sysctlbyname("hw.machine", NULL, &size, NULL, 0);
+    sysctlbyname("hw.machine", NULL, &size, NULL, 0);
-  char *machine = malloc(size);
+    char *machine = malloc(size);
-  sysctlbyname("hw.machine", machine, &size, NULL, 0);
+    sysctlbyname("hw.machine", machine, &size, NULL, 0);
-  NSString *platform = [NSString stringWithCString:machine encoding:NSUTF8StringEncoding];
+    NSString *platform = [NSString stringWithCString:machine encoding:NSUTF8StringEncoding];
-  free(machine);
+    free(machine);
-  return platform;
+    return platform;
 }
 
 - (BOOL)isSlowDevice {
-  // determine if we should load images while scrolling
+    static BOOL isCrappyDevice = YES;
-  NSString *hardwareModel = [[UIDevice currentDevice] platform];
+
-
+    static dispatch_once_t onceToken;
-  // slow devices: 1st Gen iPod, iPhone, 3G iPhone
+    dispatch_once(&onceToken, ^{
-  BOOL isSlowDevice = [hardwareModel isEqualToString:@"iPhone1,1"]  || [hardwareModel isEqualToString:@"iPhone1,2"]  || [hardwareModel isEqualToString:@"iPod1,1"];
+        NSString *iPodTouchModel = @"iPod touch";
-  return isSlowDevice;
+        NSString *iPhoneModel = @"iPhone";
+        NSString *iPhone3GModel = @"iPhone 3G";
+        NSString *iPhone3GSModel = @"iPhone 3GS";
+        NSString *iPadModel = @"iPad";
+        NSString *model = [self model];
+
+        isCrappyDevice = ([model isEqualToString:iPodTouchModel] || [model isEqualToString:iPhoneModel] ||
+                          [model isEqualToString:iPhone3GModel] || [model isEqualToString:iPhone3GSModel] ||
+                          [model isEqualToString:iPadModel]);
+    });
+
+    return isCrappyDevice;
 }
 
 
 - (BOOL)isJailbroken {
-  BOOL jailbroken = NO;
+    BOOL jailbroken = NO;
-  NSString *cydiaPath = @"/Applications/Cydia.app";
+    NSString *cydiaPath = @"/Applications/Cydia.app";
-  NSString *aptPath = @"/private/var/lib/apt/";
+    NSString *aptPath = @"/private/var/lib/apt/";
-
+    
-  if ([[NSFileManager defaultManager] fileExistsAtPath:cydiaPath]) {
+    if ([[NSFileManager defaultManager] fileExistsAtPath:cydiaPath]) {
-    jailbroken = YES;
+        jailbroken = YES;
-  }
+    }
-
+    
-  if ([[NSFileManager defaultManager] fileExistsAtPath:aptPath]) {
+    if ([[NSFileManager defaultManager] fileExistsAtPath:aptPath]) {
-    jailbroken = YES;
+        jailbroken = YES;
-  }
+    }
-
+    
-  return jailbroken;
+    return jailbroken;
 }
 
 @end