How to use the expo-sms.sendSMSAsync function in expo-sms
To help you get started, we’ve selected a few expo-sms examples, based on popular ways it is used in public projects.
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expo / expo / apps / native-component-list / src / screens / SMSScreen.tsx View on Github 
_sendSMS = async () => {
const isAvailable = await SMS.isAvailableAsync();
if (!isAvailable) {
this.setState({
error: 'SMS functionality is not available on this device!',
});
setTimeout(() => this.setState({ error: undefined }), 10000);
return;
}
try {
if (this.state.message) {
const { result } = await SMS.sendSMSAsync(
this.state.phoneNumbers,
this.state.message
);
this.setState({ phoneNumbers: [], message: undefined, result });
setTimeout(() => this.setState({ result: undefined }), 5000);
}
} catch (e) {
this.setState({ error: e.message });
setTimeout(() => this.setState({ error: undefined }), 10000);
}
}return SMS.isAvailableAsync().then(isAvailable => {
if (!isAvailable) {
throw new Error('SMS not available')
}
return SMS.sendSMSAsync(phonenos, body || '')
})
}expo-sms
Provides access to the system's UI/app for sending SMS messages.
