iOS - How can I preload the keyboard?

Question

The Problem

In most iPhone apps, there\'s a quite a bit of delay the first time that the keyboard is presented (presumably creating the keyboard takes quite a bit of o

Answer 1

Here's what I do:

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
  // Preloads keyboard so there's no lag on initial keyboard appearance.
  UITextField *lagFreeField = [[UITextField alloc] init];
  [self.window addSubview:lagFreeField];
  [lagFreeField becomeFirstResponder];
  [lagFreeField resignFirstResponder];
  [lagFreeField removeFromSuperview];
}

Super slow lag/delay on initial keyboard animation of UITextField