YCXTextViewKeyboard. 用swift写的可变高度的输入框，随着键盘高度变化而变化，自身高度变化最多为4行，源码简单，可自行更改设置。

Problem

The full read on this project is a sign-in away — what it solves, who it serves, and where it sits in the market.

Audience

The full read on this project is a sign-in away — what it solves, who it serves, and where it sits in the market.

Market

The full read on this project is a sign-in away — what it solves, who it serves, and where it sits in the market.

Pricing

The full read on this project is a sign-in away — what it solves, who it serves, and where it sits in the market.