Multiple UIAlertView in Objective C - iOS,XCode

In iPhone mobile applications you can show alerts to users to give some message and so on.
Xcode provides a mechanism called UIAlertView for this. This article let you know how to pop up a UIAlertView and how to catch their button click events.

First I show you how to show a uialertview to user.

UIAlertView* dialog = [[UIAlertView alloc] initWithTitle:@"Hello"
                                                                      message:@""                                                                     delegate:self                                                            cancelButtonTitle:@"Cancel"
                                                            otherButtonTitles:@"OK", nil];
                     dialog.tag = 1;                     [dialog show];

UIAlertView* dialog2 = [[UIAlertView alloc] initWithTitle:@"Hello World"
                                                                      message:@""                                                                     delegate:self                                                            cancelButtonTitle:@"Cancel"
                                                            otherButtonTitles:@"OK", nil];
                     dialog2.tag = 2;                     [dialog2 show];

Above code snippets show you a pop up message says 'Hello'. And there are two buttons such 'cancel' & 'OK'. And below I shows how UIAlertView button click event catch and if multiple UIAlertViews are in the view controller class and how filter button click of which one.

- (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex {

    if (alertView.tag == 1) {

        // Hello UIAlertViewClick

    }

    else if (alertView.tag == 2) {

        // Hello World UiAlertViewClick

    }

}