Block化進化したUIAlertView ref: http://qiita.com/sinri/items/17f565680f7026de49b8

file0.txt

SinriAlertView * sav=[[SinriAlertView alloc]initWithTitle:NSLocalizedString(@"_CashingCoupon_InputBox_Title", @"Cashing Coupon")
                                                  message:NSLocalizedString(@"_CashingCoupon_InputBox_Message", @"Input your coupon code to cashing.")
                                        cancelButtonTitle:NSLocalizedString(@"Cancel", @"Cancel")
                                        otherButtonTitles:NSLocalizedString(@"Confirm", @"Confirm"),nil];
[sav setClickHandler:^(UIAlertView *sinriAlertView, NSInteger buttonIndex) {
    NSLog(@"SinriAlertView　ボタン index=%ld",buttonIndex);
    if (buttonIndex == 1) {
        UITextField *tf=[sinriAlertView textFieldAtIndex:0];
        NSString* cashCode = tf.text;
        NSLog(@"SinriAlertView コード：%@",cashCode);
    }
}];
sav.alertViewStyle = UIAlertViewStylePlainTextInput;
[[sav textFieldAtIndex:0] setKeyboardType:UIKeyboardTypeNumberPad];
[[sav textFieldAtIndex:0] becomeFirstResponder];
[sav show];