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Adding Accessibility Display Options Enabled to RNTester #29231

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graytmatterMS wants to merge 4 commits into from
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Adding Accessibility Display Options Enabled to RNTester #29231

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d2be844
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graytmatterMS Jun 26, 2020
b493109
Added Hooks method of showing DisplayOptions
graytmatterMS Jun 26, 2020
0ee9457
Fixed error by adding vars used in effect to its dependencies.
graytmatterMS Jun 26, 2020
93ae347
Added changes from yarn lint --fix
graytmatterMS Jun 29, 2020
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2 changes: 1 addition & 1 deletion Libraries/Components/ScrollView/ScrollViewStickyHeader.js
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Original file line number Diff line number Diff line change
Expand Up @@ -181,7 +181,7 @@ class ScrollViewStickyHeader extends React.Component<Props, State> {
// Fabric Detection
// eslint-disable-next-line dot-notation
const isFabric = !!(
this._ref && this._ref['_internalInstanceHandle']?.stateNode?.canonical
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@lunaleaps lunaleaps Jul 6, 2021

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We'll have to revert this. As I've learned from @TheSavior our babel transform has issues with _ prefixed properties

this._ref && this._ref._internalInstanceHandle?.stateNode?.canonical
);

// Initially and in the case of updated props or layout, we
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62 changes: 62 additions & 0 deletions RNTester/js/examples/Accessibility/AccessibilityExample.js
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Original file line number Diff line number Diff line change
Expand Up @@ -750,6 +750,62 @@ class AnnounceForAccessibility extends React.Component<{}> {
}
}

class DisplayOptionsStatusExample extends React.Component<{}> {
render() {
return (
<View>
<DisplayOptionStatusExample
optionName={'Bold Text'}
optionChecker={AccessibilityInfo.isBoldTextEnabled}
notification={'boldTextChanged'}
/>
<DisplayOptionStatusExample
optionName={'Grayscale'}
optionChecker={AccessibilityInfo.isGrayscaleEnabled}
notification={'grayscaleChanged'}
/>
<DisplayOptionStatusExample
optionName={'Invert Colors'}
optionChecker={AccessibilityInfo.isInvertColorsEnabled}
notification={'invertColorsChanged'}
/>
<DisplayOptionStatusExample
optionName={'Reduce Motion'}
optionChecker={AccessibilityInfo.isReduceMotionEnabled}
notification={'reduceMotionChanged'}
/>
<DisplayOptionStatusExample
optionName={'Reduce Transparency'}
optionChecker={AccessibilityInfo.isReduceTransparencyEnabled}
notification={'reduceTransparencyChanged'}
/>
</View>
);
}
}

function DisplayOptionStatusExample({optionName, optionChecker, notification}) {
const [statusEnabled, setStatusEnabled] = React.useState(false);
React.useEffect(() => {
AccessibilityInfo.addEventListener(notification, setStatusEnabled);
optionChecker().then(isEnabled => {
setStatusEnabled(isEnabled);
});
return function cleanup() {
AccessibilityInfo.removeEventListener(notification, setStatusEnabled);
};
}, [optionChecker, notification]);
return (
<View>
<Text>
{optionName}
{' is '}
{statusEnabled ? 'enabled' : 'disabled'}.
</Text>
</View>
);
}

exports.title = 'Accessibility';
exports.description = 'Examples of using Accessibility APIs.';
exports.examples = [
Expand Down Expand Up @@ -783,6 +839,12 @@ exports.examples = [
return <ScreenReaderStatusExample />;
},
},
{
title: 'Check if the display options are enabled',
render(): React.Element<typeof DisplayOptionsStatusExample> {
return <DisplayOptionsStatusExample />;
},
},
{
title: 'Check if the screen reader announces',
render(): React.Element<typeof AnnounceForAccessibility> {
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