The header accessibility trait makes VoiceOver announce something as a header. More importantly, it lets the user navigate through headings, swiping up/down, significantly speeding up navigation and making it easier to explore/discover content.
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A quick way for turning on, or off, VoiceOver is by using Siri. Say something like: "Hey, Siri! Turn on VoiceOver", and you'll find yourself using VoiceOver in no time. You can also do the same with other technologies like Voice Control.
Configuring the header accessibility trait, when appropriate, is one of my favourite accessibility quick wins. In this example, you need a single swipe down, instead of 12 swipes to the right to get to from Podcasts to Artists, in the app.
Love this feature! Yahoo released the possibility to explore charts with audio, in the finance app, when using screen readers in 2019. You can do now something very similar since iOS 15. https://coolblindtech.com/yahoo-finance-app-makes-charts-accessible-to-blind-and-partially-sighted-users/ You can move your finger in the x-axes, and it will play a sound with a different pitch depending on the data in the y-axes, making it easier to identify trends in the graphs. You need to conform to the AXChart protocol by implementing the accessibilityChartDescriptor property. Documentation: https://developer.apple.com/documentation/accessibility/audio-graphs WWDC21 session: https://developer.apple.com/videos/play/wwdc2021/10122/
