Debugging via keyboard shortcuts.return array of UIKeyCommand objects, which define a keyboard shortcut.The ViewController will execute corresponding actions mapped to the shortcut.Useful when you want to simulate interactivity but the UI is not ready yet or when you just need to do some debug work.

DebugWithKeyboard.m

- (BOOL)canBecomeFirstResponder
{
	return YES;
}

-(NSArray *)keyCommands
{
	return @[
			[UIKeyCommand keyCommandWithInput:@"1" modifierFlags:0 action:@selector(debugCommand1)],
			[UIKeyCommand keyCommandWithInput:@"2" modifierFlags:0 action:@selector(debugCommand2)]
	];
}

-(void)debugCommand1
{
	NSLog(@"debugCommand1");
}

-(void)debugCommand2
{
	NSLog(@"debugCommand2");
}