Settings

Settings serves as a wrapper for NSUserDefaults, a persistent key-value store available only on iOS.

Example

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Reference

Methods

clearWatch()

static clearWatch(watchId: number);

watchId is the number returned by watchKeys() when the subscription was originally configured.

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get()

static get(key: string): any;

Get the current value for a given key in NSUserDefaults.

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set()

static set(settings: Record<string, any>);

Set one or more values in NSUserDefaults.

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watchKeys()

static watchKeys(keys: string | array<string>, callback: () => void): number;

Subscribe to be notified when the value for any of the keys specified by the keys parameter has been changed in NSUserDefaults. Returns a watchId number that may be used with clearWatch() to unsubscribe.

Note: watchKeys() by design ignores internal set() calls and fires callback only on changes preformed outside of React Native code.