nuacom/react-native-dtmf

React Native library capable of generating DTMF tones

react-native-dtmf

Getting started

$ npm install react-native-dtmf --save

Automatic installation

$ react-native link react-native-dtmf

Usage

import dtmf from 'react-native-dtmf';

// Start playing back the tone corresponding to the number "2".
dtmf.startTone(dtmf.DTMF_2);

// 300ms later stop the tone.
setTimeout(() => {
  dtmf.stopTone();
}, 300);

API

Function	Description
startTone(tone)	This method starts the playback of a tone of the specified type for a maximum of 5 seconds.
playTone(tone, durationMs)	This method starts the playback of a tone of the specified type for the specified duration.
stopTone()	This method stops the tone currently playing.

Constants

Constant	Digit	Tone
DTMF_0	0	941 Hz + 1336 Hz
DTMF_1	1	697 Hz + 1209 Hz
DTMF_2	2	697 Hz + 1336 Hz
DTMF_3	3	697 Hz + 1477 Hz
DTMF_4	4	770 Hz + 1209 Hz
DTMF_5	5	770 Hz + 1336 Hz
DTMF_6	6	770 Hz + 1477 Hz
DTMF_7	7	852 Hz + 1209 Hz
DTMF_8	8	852 Hz + 1336 Hz
DTMF_9	9	852 Hz + 1477 Hz
DTMF_A	A	697 Hz + 1633 Hz
DTMF_B	B	770 Hz + 1633 Hz
DTMF_C	C	852 Hz + 1633 Hz
DTMF_D	D	941 Hz + 1633 Hz
DTMF_S / DTMF_STAR	*	941 Hz + 1209 Hz
DTMF_P / DTMF_POUND	#	941 Hz + 1477 Hz

Manual installation

iOS

1. In XCode, in the project navigator, right click Libraries ➜ Add Files to [your project's name]
2. Go to node_modules ➜ react-native-dtmf and add RNDtmf.xcodeproj
3. In XCode, in the project navigator, select your project. Add libRNDtmf.a to your project's Build Phases ➜ Link Binary With Libraries
4. Run your project (Cmd+R)<

Android

1. Open up android/app/src/main/java/[...]/MainActivity.java

• Add import ca.bigdata.voice.dtmf.BigDataDTMFPackage; to the imports at the top of the file
• Add new BigDataDTMFPackage() to the list returned by the getPackages() method

2. Append the following lines to android/settings.gradle:

   include ':react-native-dtmf'
   project(':react-native-dtmf').projectDir = new File(rootProject.projectDir, 	'../node_modules/react-native-dtmf/android')
   

3. Insert the following lines inside the dependencies block in android/app/build.gradle:

     compile project(':react-native-dtmf')