[IOS] Error prompt:-[uitextselectionview Chattextviewtextchange]: Unrecognized selector sent to instance 0x7f

First, 1. Customize a subclass of UIView, and then in this class, register a message center, Addobserve,

When my class re-created a uiview, it would magically crash, and later found ... Because of the reason the message center was not removed.

Workaround: Write on the dealloc that corresponds to the class that registered the notification

[[nsnotificationcenterdefaultcenter] removeobserver : Self ]; Solve

Copyright NOTICE: This article for Bo Master original article, without Bo Master permission not reproduced.

[IOS] Error prompt:-[uitextselectionview Chattextviewtextchange]: Unrecognized selector sent to instance 0x7f