有办法知道 UIPanGestureRecognizer 被取消的原因么？ - V2EX

Home Sign Up Sign In

iOS 开发实用技术导航

NSHipster 中文版

› http://nshipster.cn/

cocos2d 开源 2D 游戏引擎

› http://www.cocos2d-iphone.org/

CocoaPods

› http://cocoapods.org/

Google Analytics for Mobile 统计解决方案

› http://code.google.com/mobile/analytics/

WWDC

› https://developer.apple.com/wwdc/

Design Guides and Resources

› https://developer.apple.com/design/

Transcripts of WWDC sessions

› http://asciiwwdc.com

Cocoa with Love

› http://cocoawithlove.com/

Cocoa Dev Central

› http://cocoadevcentral.com/

NSHipster

› http://nshipster.com/

Style Guides

› Google Objective-C Style Guide

› NYTimes Objective-C Style Guide

Useful Tools and Services

› Charles Web Debugging Proxy

› Smore

This topic created in 3824 days ago, the information mentioned may be changed or developed.

想用 UIPanGestureRecognizer 实现 modalView 下拉消失的动画。（类似 Apple Music 的播放页面）
但是在 handlePan 函数中通过 state 来实现动画的时候， state 是 began 之后，下一次就变成了 cancelled 了，而不是预想中的 changed 。
所以现在想看看是什么原因导致手势直接被取消了，请问怎么分析？

No Comments Yet

State 动画 began modalview

About · Help · Advertise · Blog · API · FAQ · Privacy · Solana · 2724 Online Highest 6679 ·

Select Language

创意工作者们的社区

World is powered by solitude

VERSION: 3.9.8.5 · 33ms · UTC 07:32 · PVG 15:32 · LAX 00:32 · JFK 03:32
♥ Do have faith in what you're doing.