xamarin/Xamarin.Forms

Stacklayout in frame "bleeds" outside of frame's rounded corners in iOS

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#2,405 opened on Apr 9, 2018

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e/3 :clock3:help wantedm/high impact :black_large_square:p/iOS 🍎t/bug :bug:up-for-grabs

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Description

Description

When a stacklayout with a background color is put at the top inside a frame with rounded corners, the edges of the stacklayout "bleed" outside of the rounded corners of the frame. This happens in iOS, not on android, where the behavior is correct.

Steps to Reproduce

  1. Open the test project

  2. Build the project and deploy on ios and android

  3. note the difference

Expected Behavior

Stacklayout corners should not bleed outside of the frame

Actual Behavior

Stacklayout corners bleed outside of the frame

Basic Information

  • Version with issue:
  • Last known good version: ?
  • IDE: Visual studio 2017
  • Platform Target Frameworks:
    • iOS: any
  • Nuget Packages: -

Screenshots

Android: screenshot_20180409-115043-0

iOS: ios

Reproduction Link

FrameBleed.zip

Contributor guide

Research direction
Inspect how the Frame's corner radius is applied to its child views on iOS. Check the custom renderer or handler for Frame and StackLayout to see if clipping is missing.
Tech stack
csharp
Domain
mobile
Issue type
Bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
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
Xamarin.FormsiOS rendering
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
60