add documentation for aria-valuemax aria-valuemin aria-valuenow aria-valuetext (facebook#3318)

Author: dakshbhardwaj

docs/accessibility.md

@@ -204,6 +204,22 @@ A Boolean value indicating whether the accessibility elements contained within t
 
 For example, in a window that contains sibling views `A` and `B`, setting `accessibilityElementsHidden` to `true` on view `B` causes VoiceOver to ignore the elements in the view `B`. This is similar to the Android property `importantForAccessibility="no-hide-descendants"`.
 
+### `aria-valuemax`
+
+Represents the maximum value for range-based components, such as sliders and progress bars.
+
+### `aria-valuemin`
+
+Represents the maximum value for range-based components, such as sliders and progress bars.
+
+### `aria-valuenow`
+
+Represents the current value for range-based components, such as sliders and progress bars.
+
+### `aria-valuetext`
+
+Repersents the textual description of the component.
+
 ### `aria-modal` <div class="label ios">iOS</div>
 
 Boolean value indicating whether VoiceOver should ignore the elements within views that are siblings of the receiver.

docs/touchablewithoutfeedback.md

@@ -219,6 +219,46 @@ See the [Accessibility guide](accessibility.md#accessibilityvalue-ios-android) f
 
 ---
 
+### `aria-valuemax`
+
+Represents the maximum value for range-based components, such as sliders and progress bars. Has precedence over the `max` value in the `accessibilityValue` prop.
+
+| Type   |
+| ------ |
+| number |
+
+---
+
+### `aria-valuemin`
+
+Represents the maximum value for range-based components, such as sliders and progress bars. Has precedence over the `min` value in the `accessibilityValue` prop.
+
+| Type   |
+| ------ |
+| number |
+
+---
+
+### `aria-valuenow`
+
+Represents the current value for range-based components, such as sliders and progress bars. Has precedence over the `now` value in the `accessibilityValue` prop.
+
+| Type   |
+| ------ |
+| number |
+
+---
+
+### `aria-valuetext`
+
+Repersents the textual description of the component. Has precedence over the `text` value in the `accessibilityValue` prop.
+
+| Type   |
+| ------ |
+| string |
+
+---
+
 ### `delayLongPress`
 
 Duration (in milliseconds) from `onPressIn` before `onLongPress` is called.

docs/view.md

@@ -249,6 +249,44 @@ When `true`, indicates that the view is an accessibility element. By default, al
 
 ---
 
+### `aria-valuemax`
+
+Represents the maximum value for range-based components, such as sliders and progress bars. Has precedence over the `max` value in the `accessibilityValue` prop.
+
+| Type   |
+| ------ |
+| number |
+
+---
+
+### `aria-valuemin`
+
+Represents the maximum value for range-based components, such as sliders and progress bars. Has precedence over the `min` value in the `accessibilityValue` prop.
+
+| Type   |
+| ------ |
+| number |
+
+---
+
+### `aria-valuenow`
+
+Represents the current value for range-based components, such as sliders and progress bars. Has precedence over the `now` value in the `accessibilityValue` prop.
+
+| Type   |
+| ------ |
+| number |
+
+---
+
+### `aria-valuetext`
+
+Represents the textual description of the component. Has precedence over the `text` value in the `accessibilityValue` prop.
+
+| Type   |
+| ------ |
+| string |
+
 ### `aria-modal` <div class="label ios">iOS</div>
 
 Boolean value indicating whether VoiceOver should ignore the elements within views that are siblings of the receiver. Has precedence over the `accessibilityViewIsModal` prop.