Alert using UIAlertController (TextField and Two buttons)

// Show a text entry alert with two custom buttons.

- (void)showTextEntryAlert {

    NSString *title = NSLocalizedString(@"Short_title", nil);

    NSString *message = NSLocalizedString(@"Message", nil);

    NSString *cancelButtonTitle = NSLocalizedString(@"Cancel", nil);

    NSString *otherButtonTitle = NSLocalizedString(@"OK", nil);

    

    UIAlertController *alertController = [UIAlertController alertControllerWithTitle:title message:message preferredStyle:UIAlertControllerStyleAlert];

    

    // Add the text field for text entry.

    [alertController addTextFieldWithConfigurationHandler:^(UITextField *textField) {

        // If you need to customize the text field, you can do so here.

    }];

    

    // Create the actions.

    UIAlertAction *cancelAction = [UIAlertAction actionWithTitle:cancelButtonTitle style:UIAlertActionStyleCancel handler:^(UIAlertAction *action) {

        NSLog(@"The \"Text Entry\" alert's cancel action occured.");

    }];

    

    UIAlertAction *otherAction = [UIAlertAction actionWithTitle:otherButtonTitle style:UIAlertActionStyleDefault handler:^(UIAlertAction *action) {

        NSLog(@"The \"Text Entry\" alert's other action occured.");

    }];

    

    // Add the actions.

    [alertController addAction:cancelAction];

    [alertController addAction:otherAction];

    

    [self presentViewController:alertController animated:YES completion:nil];

}