Class SharedStorage

Set of methods to operate data storage shared between eitri-apps.

To use SharedStorage and make data available between two or more Eitri-Apps, an AppGroup is required.

AppGroups are a concept that permits some resources to be shared, such as storage. When two or more Eitri-Apps are in the same AppGroup, they can write data in one Eitri-App and retrieve it in another Eitri-App.

To set up an AppGroup configuration, please contact Eitri support.

Data is transmitted as a string and handled with JSON encoding/decoding. Pay attention to the size of the data to avoid affecting the experience.

Hierarchy

  • SharedStorage

Methods

clear getItem keys removeItem setItem

Methods

clear

  • Clears all data created by the respective eitri-app from shared storage

    Note:

    This method does not clear other data saved by other eitri-apps

    Example:

    await Eitri.sharedStorage.clear()

    Compatibility Control

    • API LEVEL 2 - Functionality added

    Returns Promise<any>

getItem

  • Gets a piece of data from eitri-app shared storage

    Example:

    const storedValue = await Eitri.sharedStorage.getItem('myData')
    const myValue = JSON.parse(storedValue)

    Compatibility Control

    • API LEVEL 2 - Functionality added

    Parameters

    • key: string

      Registration key

    Returns Promise<any>

keys

  • Retrieves all registration keys stored by the respective eitri-app from shared storage

    Example:

    const myKeys = await Eitri.sharedStorage.keys()

    Compatibility Control

    • API LEVEL 2 - Functionality added

    Returns Promise<any>

removeItem

  • Deletes a piece of data from eitri-app shared storage

    Example:

    await Eitri.sharedStorage.removeItem('myData')

    Compatibility Control

    • API LEVEL 2 - Functionality added

    Parameters

    • key: string

      Registration key

    Returns Promise<any>

setItem

  • Saves a piece of data to eitri-app shared storage

    Example:

    await Eitri.sharedStorage.setItem('myData', JSON.stringify({myData: 'valueOfMyData'}))

    Parameters

    • key: string

      Key for registration

    • value: string

      Value to be saved

      Compatibility Control

      • API LEVEL 2 - Functionality added

    Returns Promise<any>

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