KeyboardManager. 自绘键盘管理框架，提供默认的UI实现，支持自定义。封装解决了禁止系统键盘弹出、焦点视图自动滑动以便不被遮挡等问题

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.