%hook SpringBoard


- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {

%orig;
UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Welcome"
    message:@"Hello world"
    delegate:nil
    cancelButtonTitle:@"123"
    otherButtonTitles:nil];
    [alert show];
    [alert release];
return YES;
}

%end