@nativescript-community/audio
Advanced tools
NativeScript plugin to record and play audio.
 |  |
|---|---|
| iOS Demo | Android Demo |
Run the following command from the root of your project:
ns plugin add @nativescript-community/audio
ns plugin add @nativescript-community/audio
You will need to grant permissions on iOS to allow the device to access the microphone if you are using the recording function. If you don't, your app may crash on device and/or your app might be rejected during Apple's review routine. To do this, add this key to your app/App_Resources/iOS/Info.plist file:
<key>NSMicrophoneUsageDescription</key>
<string>Recording Practice Sessions</string>
If you are going to use the recorder capability for Android, you need to add the RECORD_AUDIO permission to your AndroidManifest.xml file located in App_Resources.
<uses-permission android:name="android.permission.RECORD_AUDIO"/>
import { TNSPlayer } from '@nativescript-community/audio';
export class YourClass {
private _player: TNSPlayer;
constructor() {
this._player = new TNSPlayer();
// You can pass a duration hint to control the behavior of other application that may
// be holding audio focus.
// For example: new TNSPlayer(AudioFocusDurationHint.AUDIOFOCUS_GAIN_TRANSIENT);
// Then when you play a song, the previous owner of the
// audio focus will stop. When your song stops
// the previous holder will resume.
this._player.debug = true; // set true to enable TNSPlayer console logs for debugging.
this._player
.initFromFile({
audioFile: '~/audio/song.mp3', // ~ = app directory
loop: false,
completeCallback: this._trackComplete.bind(this),
errorCallback: this._trackError.bind(this)
})
.then(() => {
this._player.getAudioTrackDuration().then(duration => {
// iOS: duration is in seconds
// Android: duration is in milliseconds
console.log(`song duration:`, duration);
});
});
}
public togglePlay() {
if (this._player.isAudioPlaying()) {
this._player.pause();
} else {
this._player.play();
}
}
private _trackComplete(args: any) {
console.log('reference back to player:', args.player);
// iOS only: flag indicating if completed succesfully
console.log('whether song play completed successfully:', args.flag);
}
private _trackError(args: any) {
console.log('reference back to player:', args.player);
console.log('the error:', args.error);
// Android only: extra detail on error
console.log('extra info on the error:', args.extra);
}
}
const audio = require('@nativescript-community/audio');
const player = new audio.TNSPlayer();
const playerOptions = {
audioFile: 'http://some/audio/file.mp3',
loop: false,
completeCallback: function () {
console.log('finished playing');
},
errorCallback: function (errorObject) {
console.log(JSON.stringify(errorObject));
},
infoCallback: function (args) {
console.log(JSON.stringify(args));
}
};
player
.playFromUrl(playerOptions)
.then(res => {
console.log(res);
})
.catch(err => {
console.log('something went wrong...', err);
});
| Method | Description |
|---|---|
TNSRecorder.CAN_RECORD(): boolean - static method | Determine if ready to record. |
start(options: AudioRecorderOptions): Promise<void> | Start recording to file. |
stop(): Promise<void> | Stop recording. |
pause(): Promise<void> | Pause recording. |
resume(): Promise<void> | Resume recording. |
dispose(): Promise<void> | Free up system resources when done with recorder. |
getMeters(channel?: number): number | Returns the amplitude of the input. |
isRecording(): boolean - iOS Only | Returns true if recorder is actively recording. |
requestRecordPermission(): Promise<void> | Android Only Resolves the promise is user grants the permission. |
hasRecordPermission(): boolean | Android Only Returns true if RECORD_AUDIO permission has been granted. |
| Property | Description |
|---|---|
| ios | Get the native AVAudioRecorder class instance. |
| android | Get the native MediaRecorder class instance. |
| debug | Set true to enable debugging console logs (default false). |
| Method | Description |
|---|---|
initFromFile(options: AudioPlayerOptions): Promise | Initialize player instance with a file without auto-playing. |
playFromFile(options: AudioPlayerOptions): Promise | Auto-play from a file. |
initFromUrl(options: AudioPlayerOptions): Promise | Initialize player instance from a url without auto-playing. |
playFromUrl(options: AudioPlayerOptions): Promise | Auto-play from a url. |
pause(): Promise<boolean> | Pause playback. |
resume(): void | Resume playback. |
seekTo(time:number): Promise<boolean> | Seek to position of track (in seconds). |
dispose(): Promise<boolean> | Free up resources when done playing audio. |
isAudioPlaying(): boolean | Determine if player is playing. |
getAudioTrackDuration(): Promise<string> | Duration of media file assigned to the player. |
| playAtTime(time: number): void - iOS Only | Play audio track at specific time of duration. |
| changePlayerSpeed(speed: number): void - On Android Only API 23+ | Change the playback speed of the media player. |
| Property | Description |
|---|---|
| ios | Get the native ios AVAudioPlayer instance. |
| android | Get the native android MediaPlayer instance. |
debug: boolean | Set true to enable debugging console logs (default false). |
currentTime: number | Get the current time in the media file's duration. |
volume: number | Get/Set the player volume. Value range from 0 to 1. |
The repo uses submodules. If you did not clone with --recursive then you need to call
git submodule update --init
The package manager used to install and link dependencies must be pnpm or yarn. npm wont work.
To develop and test:
if you use yarn then run yarn
if you use pnpm then run pnpm i
Interactive Menu:
To start the interactive menu, run npm start (or yarn start or pnpm start). This will list all of the commonly used scripts.
npm run build.all
WARNING: it seems yarn build.all wont always work (not finding binaries in node_modules/.bin) which is why the doc explicitly uses npm run
npm run demo.[ng|react|svelte|vue].[ios|android]
npm run demo.svelte.ios # Example
Demo setup is a bit special in the sense that if you want to modify/add demos you dont work directly in demo-[ng|react|svelte|vue]
Instead you work in demo-snippets/[ng|react|svelte|vue]
You can start from the install.ts of each flavor to see how to register new demos
You can update the repo files quite easily
First update the submodules
npm run update
Then commit the changes Then update common files
npm run sync
Then you can run yarn|pnpm, commit changed files if any
npm run readme
npm run doc
The publishing is completely handled by lerna (you can add -- --bump major to force a major release)
Simply run
npm run publish
The repo uses https:// for submodules which means you won't be able to push directly into the submodules.
One easy solution is t modify ~/.gitconfig and add
[url "ssh://git@github.com/"]
pushInsteadOf = https://github.com/
If you have any questions/issues/comments please feel free to create an issue or start a conversation in the NativeScript Community Discord.
FAQs
NativeScript plugin to record and play audio.
We found that @nativescript-community/audio demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 0 open source maintainers collaborating on the project.
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