Wednesday, April 10, 2019

Accessibility Quirk With “Bold Text”

Joe Heck:

When one of my testers ran the app, the toolbar button “disappeared”. It was still there, but rendering white on the white toolbar. It took a while to figure out that the difference between our environments: that Bold Text was enabled in accessibility. Then it took a while longer to find that it wasn’t respecting the local tint, but using the global tint when enabled.

That “Bold Text” being enabled effected the image rendering came as a surprise to me. Some friends indicated they’d seen significant performance issues with Bold Text as well (in cells in a tableview), so they knew that it impacted image rendering – I guess it does something to try and make an image “bolder”, even though it’s not text.

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