xamarin/Xamarin.Forms

Some font icons do not position properly in FormattedString with text

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#9,491 opened on Feb 9, 2020

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a/fonticonhelp wantedp/Androidp/iOS 🍎t/bug :bug:up-for-grabs

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Description

FormattedString.Spans that contain certain font icons do not align on the correct side of text according to the layout of the spans.

Expected Behavior

Font icon to position as per the xaml spans definition in xaml

Actual Behavior

Incorrect icon placement

Basic Information

  • Version with issue: 4.4.0.991640
  • Last known good version: NA
  • IDE: Visual studio community 2019
  • Platform Target Frameworks:
    • iOS: 8.0
    • Android: 10.0
  • Affected Devices: Galaxy Tab A 2016 & iPad 5th generation iOS 11.0 (emulator)

Screenshots

device-2020-02-10-104515

2020-02-10_11-11-40-AM

Reproduction Link

FontPlacement.zip

Contributor guide

Research direction
Investigate the font icon alignment logic in FormattedString.Spans rendering on iOS and Android. Check the layout calculation for spans with font icons and how they are positioned relative to text. Look at platform specific renderers for inconsistencies.
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.
3
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
Xamarin.Forms
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
55