source ImageSourcePropType The image source (either a remote URL or a local file resource).

renderLoading function Function that returns a loading indicator.

static getFontScale() Returns the scaling factor for font sizes. This is

animated bool

static alert(title, message?, callbackOrButtons?, type?) Creates a popup

title string Sets the toolbar title.

height number

spring: CallExpression

Native App Accessibility (iOS and Android) Both iOS and Android provide APIs for making

autoFocus bool If true, focuses the input on componentDidMount. The default value is false.