Source: https://docs.expo.dev/versions/v52.0.0/sdk/sms

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Expo SMS

GitHub Changelog npm

A library that provides access to the system's UI/app for sending SMS messages.

GitHub Changelog npm

Android

iOS

Bundled version:

~13.0.1

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expo-sms provides access to the system's UI/app for sending SMS messages.

Installation

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Terminal

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- npx expo install expo-sms

If you are installing this in an existing React Native app , make sure to install expo in your project.

API

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import * as SMS from 'expo-sms';

Methods

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SMS.isAvailableAsync()

Android

iOS

Determines whether SMS is available. Always returns false in the iOS simulator, and in browser.

Returns:

[Promise](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise) <boolean>

Returns a promise that fulfils with a boolean, indicating whether SMS is available on this device.

Example

const isAvailable = await SMS.isAvailableAsync(); if (isAvailable) { // do your SMS stuff here } else { // misfortune... there's no SMS available on this device }

SMS.sendSMSAsync(addresses, message, options)

Android

iOS

| Parameter | Type | Description | | --- | --- | --- | | addresses | string \| string[] | An array of addresses (phone numbers) or single address passed as strings. Those would appear as recipients of the prepared message. | | message | string | Message to be sent. | | options(optional) | [SMSOptions](https://docs.expo.dev/versions/v52.0.0/sdk/sms#smsoptions) | A SMSOptions object defining additional SMS configuration options. |

Opens the default UI/app for sending SMS messages with prefilled addresses and message.

Returns:

[Promise](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise) <[SMSResponse](https://docs.expo.dev/versions/v52.0.0/sdk/sms#smsresponse) >

Returns a Promise that fulfils with the SMS action is invoked by the user, with corresponding result:

• If the user cancelled the SMS sending process: { result: 'cancelled' }.
• If the user has sent/scheduled message for sending: { result: 'sent' }.
• If the status of the SMS message cannot be determined: { result: 'unknown' }.

Android does not provide information about the status of the SMS message, so on Android devices the Promise will always resolve with { result: 'unknown' }.

Note: The only feedback collected by this module is whether any message has been sent. That means we do not check actual content of message nor recipients list.

Example

const { result } = await SMS.sendSMSAsync( ['0123456789', '9876543210'], 'My sample HelloWorld message', { attachments: { uri: 'path/myfile.png', mimeType: 'image/png', filename: 'myfile.png', }, } );

Types

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SMSAttachment

Android

iOS

An object that is used to describe an attachment that is included with a SMS message.

| Property | Type | Description | | --- | --- | --- | | filename | string | The filename of the attachment. | | mimeType | string | The mime type of the attachment such as image/png. | | uri | string | The content URI of the attachment. The URI needs be a content URI so that it can be accessed by other applications outside of Expo. See FileSystem.getContentUriAsync<br>). |

SMSOptions

Android

iOS

| Property | Type | Description | | --- | --- | --- | | attachments(optional) | [SMSAttachment](https://docs.expo.dev/versions/v52.0.0/sdk/sms#smsattachment) \| [SMSAttachment[]](https://docs.expo.dev/versions/v52.0.0/sdk/sms#smsattachment) | - |

SMSResponse

Android

iOS

| Property | Type | Description | | --- | --- | --- | | result | 'unknown' \| 'sent' \| 'cancelled' | Status of SMS action invoked by the user. |