Swizzling. Runtime 拦截崩溃的问题，有效防止因unrecognized selector sent to instance、空对象导致的崩溃，导入工程后什么都不用配置！由于项目空对象是用trycatch拦截异常，所以项目中打了断点可能导致崩溃原因不能catch出来

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.