IOS判断设备是否越狱

• @interface UIDevice (Helper) 
  - (BOOL)isJailbroken; 
  @end

  
  @implementation UIDevice (Helper) 
  - (BOOL)isJailbroken { 
  BOOL jailbroken = NO; 
  NSString *cydiaPath = @"/Applications/Cydia.app"; 
  NSString *aptPath = @"/private/var/lib/apt/"; 
  if ([[NSFileManager defaultManager] fileExistsAtPath:cydiaPath]) { 
  jailbroken = YES; 
  } 
  if ([[NSFileManager defaultManager] fileExistsAtPath:aptPath]) { 
  jailbroken = YES; 
  } 
  return jailbroken; 
  } 
  @end