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app_audit on Android reports Label in Name: a control whose description leaves out the words it shows (WCAG 2.5.3) - #249
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…on leaves out the words it shows (WCAG 2.5.3)
A person using speech says what they see. On Android the caption and the
description are separate in the tree, so a description without the
caption's words is reported as LabelInName. One caption only, glyphs, a
card's several lines, a switch's ON/OFF and text fields left alone.
MobiumApp's Screen Reader Demo ("Submit form" captioned Send) is the
control, captured as mobiumapp-spoken-uia2.xml; ten apps on the emulator
and every captured hierarchy give none.
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…since mobiumdev/mobium#249 added Label in Name (#33)
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Step 4 of docs/ACCESSIBILITY.md. Someone using voice control says what they see, so a button showing Send but named Submit form can't be reached by "tap Send". On Android the caption and the description are separate in the tree, so
app_auditnow reports the mismatch asLabelInName.The rule: a control with a description and exactly one caption (its own text, or the one text inside it that isn't a control of its own) is reported when the description doesn't hold the caption's words in order. Case and punctuation don't matter, and "Resend" doesn't hold "Send".
Left alone:
Limit: a caption the app draws isn't in the tree. Google's Calculator draws its keys, so its "AC" named "all clear" can't be judged. iOS usually has one label for both, so nothing is added there.
Measured on the Android 15 emulator:
internal/uitree/testdata/mobiumapp-spoken-uia2.xml.Checks:
audit.shnow expects the demo's three findings, PASS on emulator-5554. The tests cover each case above and fail when the rule or the switch exception is removed.make cigreen. Not run on the Pixel.