Optional accessibilityOptional accessibilityA Boolean value indicating whether the accessibility elements contained within this accessibility element are hidden to the screen reader.
ios
Optional accessibilityAn accessibility hint helps users understand what will happen when they perform an action on the accessibility element when that result is not obvious from the accessibility label.
Optional accessibilityios
Optional accessibilityOverrides the text that's read by the screen reader when the user interacts with the element. By default, the label is constructed by traversing all the children and accumulating all the Text nodes separated by space.
Optional accessibilityA reference to another element nativeID used to build complex forms. The value of accessibilityLabelledBy should match the nativeID of the related element.
android
Optional accessibilityBy using the accessibilityLanguage property, the screen reader will understand which language to use while reading the element's label, value and hint. The provided string value must follow the BCP 47 specification (https://www.rfc-editor.org/info/bcp47). https://reactnative.dev/docs/accessibility#accessibilitylanguage-ios
ios
Optional accessibilityIndicates to accessibility services whether the user should be notified when this view changes. Works for Android API >= 19 only. See http://developer.android.com/reference/android/view/View.html#attr_android:accessibilityLiveRegion for references.
android
Optional accessibilityAccessibility Role tells a person using either VoiceOver on iOS or TalkBack on Android the type of element that is focused on.
Optional accessibilityAccessibility State tells a person using either VoiceOver on iOS or TalkBack on Android the state of the element currently focused on.
Optional accessibilityRepresents the current value of a component. It can be a textual description of a component's value, or for range-based components, such as sliders and progress bars, it contains range information (minimum, current, and maximum).
Optional accessibilityA Boolean value indicating whether VoiceOver should ignore the elements within views that are siblings of the receiver.
ios
Optional accessibleWhen true, indicates that the view is an accessibility element. By default, all the touchable elements are accessible.
Optional aria-alias for accessibilityState
see https://reactnative.dev/docs/accessibility#accessibilitystate
Optional aria-Optional aria-Optional aria-Optional aria-A value indicating whether the accessibility elements contained within this accessibility element are hidden.
Optional aria-Alias for accessibilityLabel https://reactnative.dev/docs/view#accessibilitylabel https://github.com/facebook/react-native/issues/34424
Optional aria-Represents the nativeID of the associated label text. When the assistive technology focuses on the component with this props, the text is read aloud.
android
Optional aria-Optional aria-Optional aria-Optional aria-Optional aria-Optional aria-Optional aria-Optional childrenOptional collapsableViews that are only used to layout their children or otherwise don't draw anything may be automatically removed from the native hierarchy as an optimization. Set this property to false to disable this optimization and ensure that this View exists in the native view hierarchy.
Optional focusableWhether this View should be focusable with a non-touch input device, eg. receive focus with a hardware keyboard.
Optional hasTVPreferred(Apple TV only) May be set to true to force the Apple TV focus engine to move focus to this view.
ios
Optional hitThis defines how far a touch event can start away from the view. Typical interface guidelines recommend touch targets that are at least 30 - 40 points/density-independent pixels. If a Touchable view has a height of 20 the touchable height can be extended to 40 with hitSlop={{top: 10, bottom: 10, left: 0, right: 0}} NOTE The touch area never extends past the parent view bounds and the Z-index of sibling views always takes precedence if a touch hits two overlapping views.
Optional idUsed to reference react managed views from native code.
Optional important[Android] Controlling if a view fires accessibility events and if it is reported to accessibility services.
Optional isOptional isTVSelectable(Apple TV only) When set to true, this view will be focusable and navigable using the Apple TV remote.
ios
Optional nativeIDUsed to reference react managed views from native code.
Optional needsWhether this view needs to rendered offscreen and composited with an alpha in order to preserve 100% correct colors and blending behavior. The default (false) falls back to drawing the component and its children with an alpha applied to the paint used to draw each element instead of rendering the full component offscreen and compositing it back with an alpha value. This default may be noticeable and undesired in the case where the View you are setting an opacity on has multiple overlapping elements (e.g. multiple overlapping Views, or text and a background).
Rendering offscreen to preserve correct alpha behavior is extremely expensive and hard to debug for non-native developers, which is why it is not turned on by default. If you do need to enable this property for an animation, consider combining it with renderToHardwareTextureAndroid if the view contents are static (i.e. it doesn't need to be redrawn each frame). If that property is enabled, this View will be rendered off-screen once, saved in a hardware texture, and then composited onto the screen with an alpha each frame without having to switch rendering targets on the GPU.
Optional onWhen accessible is true, the system will try to invoke this function when the user performs an accessibility custom action.
Optional onWhen accessible is true, the system will invoke this function when the user performs the escape gesture (scrub with two fingers).
ios
Optional onWhen accessible is true, the system will try to invoke this function when the user performs accessibility tap gesture.
ios
Optional onInvoked on mount and layout changes with
{nativeEvent: { layout: {x, y, width, height}}}.
Optional onWhen accessible is true, the system will invoke this function when the user performs the magic tap gesture.
ios
Optional onCalled for every touch move on the View when it is not the responder: does this view want to "claim" touch responsiveness?
Optional ononStartShouldSetResponder and onMoveShouldSetResponder are called with a bubbling pattern, where the deepest node is called first. That means that the deepest component will become responder when multiple Views return true for *ShouldSetResponder handlers. This is desirable in most cases, because it makes sure all controls and buttons are usable.
However, sometimes a parent will want to make sure that it becomes responder. This can be handled by using the capture phase. Before the responder system bubbles up from the deepest component, it will do a capture phase, firing on*ShouldSetResponderCapture. So if a parent View wants to prevent the child from becoming responder on a touch start, it should have a onStartShouldSetResponderCapture handler which returns true.
Optional onOptional onOptional onOptional onOptional onOptional onOptional onOptional onOptional onOptional onOptional onOptional onOptional onOptional onIf the View returns true and attempts to become the responder, one of the following will happen:
Optional onThe View is now responding for touch events. This is the time to highlight and show the user what is happening
Optional onThe user is moving their finger
Optional onSomething else is the responder right now and will not release it
Optional onFired at the end of the touch, ie "touchUp"
Optional onOptional onThe responder has been taken from the View. Might be taken by other views after a call to onResponderTerminationRequest, or might be taken by the OS without asking (happens with control center/ notification center on iOS)
Optional onSomething else wants to become responder. Should this view release the responder? Returning true allows release
Optional onDoes this view want to become responder on the start of a touch?
Optional ononStartShouldSetResponder and onMoveShouldSetResponder are called with a bubbling pattern, where the deepest node is called first. That means that the deepest component will become responder when multiple Views return true for *ShouldSetResponder handlers. This is desirable in most cases, because it makes sure all controls and buttons are usable.
However, sometimes a parent will want to make sure that it becomes responder. This can be handled by using the capture phase. Before the responder system bubbles up from the deepest component, it will do a capture phase, firing on*ShouldSetResponderCapture. So if a parent View wants to prevent the child from becoming responder on a touch start, it should have a onStartShouldSetResponderCapture handler which returns true.
Optional onOptional onOptional onOptional onOptional onOptional pointerIn the absence of auto property, none is much like CSS's none value. box-none is as if you had applied the CSS class:
.box-none { pointer-events: none; } .box-none * { pointer-events: all; }
box-only is the equivalent of
.box-only { pointer-events: all; } .box-only * { pointer-events: none; }
But since pointerEvents does not affect layout/appearance, and we are already deviating from the spec by adding additional modes, we opt to not include pointerEvents on style. On some platforms, we would need to implement it as a className anyways. Using style or not is an implementation detail of the platform.
Optional removeThis is a special performance property exposed by RCTView and is useful for scrolling content when there are many subviews, most of which are offscreen. For this property to be effective, it must be applied to a view that contains many subviews that extend outside its bound. The subviews must also have overflow: hidden, as should the containing view (or one of its superviews).
Optional renderWhether this view should render itself (and all of its children) into a single hardware texture on the GPU.
On Android, this is useful for animations and interactions that only modify opacity, rotation, translation, and/or scale: in those cases, the view doesn't have to be redrawn and display lists don't need to be re-executed. The texture can just be re-used and re-composited with different parameters. The downside is that this can use up limited video memory, so this prop should be set back to false at the end of the interaction/animation.
Optional roleIndicates to accessibility services to treat UI component like a specific role.
Optional shouldWhether this view should be rendered as a bitmap before compositing.
On iOS, this is useful for animations and interactions that do not modify this component's dimensions nor its children; for example, when translating the position of a static view, rasterization allows the renderer to reuse a cached bitmap of a static view and quickly composite it during each frame.
Rasterization incurs an off-screen drawing pass and the bitmap consumes memory. Test and measure when using this property.
Optional styleOptional testIDUsed to locate this view in end-to-end tests.
Optional tv(Apple TV only) May be used to change the appearance of the Apple TV parallax effect when this view goes in or out of focus. Defaults to 1.0.
ios
Optional tv(Apple TV only) Object with properties to control Apple TV parallax effects.
ios
Optional tv(Apple TV only) May be used to change the appearance of the Apple TV parallax effect when this view goes in or out of focus. Defaults to 2.0.
ios
Optional tv(Apple TV only) May be used to change the appearance of the Apple TV parallax effect when this view goes in or out of focus. Defaults to 2.0.
ios
Optional tv(Apple TV only) May be used to change the appearance of the Apple TV parallax effect when this view goes in or out of focus. Defaults to 0.05.
ios
Provides an array of custom actions available for accessibility.