static addEventListener(eventName, handler)

selectionColor string The highlight (and cursor on ios) color of the text input

contentInset {top: number, left: number, bottom: number, right: number}

SHORT: MemberExpression

activeOpacity number Determines what the opacity of the wrapped view should be when touch is active. Defaults to 0.2.

static spring(value, config) Spring animation based on Rebound and Origami. Tracks velocity state to create fluid motions as the toValue updates, and can be chained together.

Sometimes an app needs access to platform API, and React Native doesn't have a corresponding module yet. Maybe you want to reuse some existing Objective-C, Swift or C++ code without having to reimplement it in JavaScript, or write some high performance, multi-threaded code such as for image processing, a database, or any number of advanced extensions. We designed React Native such that it is possible for you to write real native code and have access to the full power of the platform. This is a

Devtools "React" Tab Does Not Work It's currently not possible to use the "React" tab in the devtools to inspect app widgets. This is due to a change in how the application scripts are evaluated in the devtools plugin; they are now run inside a Web Worker, and the plugin is unaware of this and so unable to communicate properly with React Native. However, you can still use the Console feature of the devtools, and debugging JavaScript with breakpoints works too. To use the console, make sure to

pitchEnabled bool When this property is set to true and a valid camera is associated with the map, the camera’s pitch angle is used to tilt the plane of the map. When this property is set to false, the camera’s pitch angle is ignored and the map is always displayed as if the user is looking straight down onto it.

sectionHeaderShouldUpdate(sectionIndex) Returns if the section header is dirtied and needs to be rerendered