Message box to TabBarController - uitabbarcontroller

Question

I created a message box into the FirstViewController of my TabBarController:
- (void)pressedButton:(id)sender {
[[[UIAlertView alloc] initWithTitle:#"Snap it" message:#"Take a picture"
delegate:nil cancelButtonTitle:#"OK" otherButtonTitles:nil]
show];
When the user clicks on "Ok", I want them to be redirected to the SecondViewController.
Any idea how to do this?
Thanks in advance.

Answer 1

If you have your tab bar controller connected to a "IBOutlet" (or have some other reference to it), switching tabs is as easy as updating the selectedIndex property (I've linked the Apple documentation for you).
EDIT:
Change your code to this.
- (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex
{
// if you have connected your tab bar controller to an IBOutlet named myTabBarController
if(myTabBarController)
{
// first tab bar controller is zero, second tab bar controller is 1, etc.
myTabBarController.selectedIndex = 1;
} else {
NSLog( #"tabBarController is nil and probably not set correctly" );
}
}
- (void)pressedButton:(id)sender {
UIAlertView * alertView =
[[UIAlertView alloc] initWithTitle:#"Snap it" message:#"Take a picture" delegate:self cancelButtonTitle:#"OK" otherButtonTitles:nil];
if(alertView)
{
[alertView show];
}
}
This assumes you've set your tab bar controller to an IBOutlet correctly. Notice also that I've set the "delegate" on the alert view to "self" (i.e. the "clickedButtonAtIndex" method has to live in the same object & class if using "self" as a delegate).