xamarin/Xamarin.Forms

[Bug] [iOS] Custom view not showing when changing from invisible to visible

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#6,205 opened on May 16, 2019

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a/customrenderere/6 :clock6:help wantedinactivep/iOS 🍎t/bug :bug:up-for-grabs

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Description

Description

I have a custom control which visible state initially set as false. When dynamically changing its visible state to true(IsVisible="true"), control not getting visible in iOS. Control working perfectly in Android.

Steps to Reproduce

Prepared simple sample to reproduce an issue. Please run the attached sample and change visible state through button. Sample: https://github.com/sheiksyedm/CustomView

Contributor guide

Research direction
Check the iOS custom renderer for the view and ensure that the IsVisible property is properly handled during dynamic updates. Trace the layout cycle when visibility changes.
Tech stack
csharp
Domain
mobile dev
Issue type
Bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
Half day
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
C#Xamarin.Forms
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
75