---
title: Day 151
author: Daniel Devesa Derksen-Staats
date: 2022-10-16 17:18
tags: haptic, iOS
categories: ["Accessibility"]
series: ["365 Days iOS Accessibility"]
image: /Images/365DaysIOSAccessibility/image73.jpg
---

Haptics helps you signal important information in multiple modes. For example, you can use a UINotificationFeedbackGenerator to reinforce some "warning" feedback. Twitter uses this when you are running out of characters when composing a tweet.

![Tweet composer screen. There are 20 remaining characters to reach the limit. Multiple modes are used to signal this information: Shape, with the circular progress indicator; Text, with the remaining characters left; Color, using yellow for the few characters left warning; and Haptic Feedback. For the latter, you can create a UINotificationFeedbackGenerator and call notificationOccured passing the .warning option.](/Images/365DaysIOSAccessibility/image73.jpg)