Media

picture

saveImageToPhotosAlbum

Base library 2.0.7 support from iOS version 2.10.7, Android version 2.11.43

saveImageToPhotosAlbum(Object object)

Save the image to the system album

parameter

Object object

attribute	type	Default values	Required	Introductions
filePath	string		yes	Image file path, which can be temporary file path or permanent file path (Local path) Network path not supported
success	function		no	Interface calls the successful callback function
fail	function		no	Interface calls failed callback functions(When authorization fails, an error message is returned: fail unauthorized The user has not granted read external storage, read/write external storage privileges)
complete	function		no	Callback function at the end of an interface call (both successful and unsuccessful calls are executed)

sample code

ft.saveImageToPhotosAlbum({
  filePath: 'finfile://xxxx',
  success(res) { }
})

Note

• Interface authorization failure (iOS). 1:

1. the user refuses to authorise, an error message is returned: unauthorized, the user has not granted the album permission
2. The host app disables the mini progmini programrams from actively requesting permissions, an error message is returned: unauthorized disableauthorized, the SDK is disabled from requesting album permissions.

• Interface authorization failure (Android).

1. the user refuses to authorise, an error message will be returned: unauthorized the user has not granted permission to read external storage, read/write external storage
2. the host app prohibits the mini progmini programrams from initiating permission requests, an error message is returned: unauthorized disableauthorized SDK is prohibited from initiating permission requests

previewMedia

Preview pictures and videos

parameter

Object object

attribute	type	Default values	Required	Introductions
sources	Array.<Object>		yes	List of resources to preview
current	number	0	no	Resource Number Currently Displayed
showmenu	boolean	true	no	Displays long press menu
success	function		no	Interface calls the successful callback function
fail	function		no	Interface calls failed callback functions
complete	function		no	Callback function at the end of an interface call (both successful and unsuccessful calls are executed)

object.sources Structure

attribute	type	Default values	Required	Introductions
url	String		yes	Address of a picture or video
type	String	image	no	Type of resource, default to picture
poster	string		no	Cover image of the video

type Legal value

value	Introductions	Minimum version
image	picture
video	video

previewImage

Base library support from 1.3.9, iOS version 2.1.23, Android version 2.1.38

previewImage(Object object)

Preview the picture in full screen on the new page. Preview the process of the user can save pictures, send to friends and other operations

parameter

Object object

attribute	type	Default values	Required	Introductions
urls	Array.<string>		yes	A list of links to images that need to be previewed. 2.2.3 Support for cloud file ID
current	string	urls 的第一张	no	Link to currently displayed picture
success	function		no	Interface calls the successful callback function
fail	function		no	Interface calls failed callback functions
complete	function		no	Callback function at the end of an interface call (both successful and unsuccessful calls are executed)

sample code

ft.previewImage({
  current: '', // Http link for current picture
  urls: [] // List of images to preview http links
})

getImageInfo

Base library support from 1.3.9, iOS version 2.1.23, Android version 2.1.38

getImageInfo(Object object)

Get picture information. Network pictures need to configure the download domain to take effect

parameter

Object object

attribute	type	Default values	Required	Introductions
src	string		yes	Image path, support network path, local path, code package path
success	function		no	Interface calls the successful callback function
fail	function		no	Interface calls failed callback functions
complete	function		no	Callback function at the end of an interface call (both successful and unsuccessful calls are executed)

object.success callback

parameter

Object res

attribute	type	Introductions
width	number	Picture original width in px. Spin is not considered
height	number	Picture original height in px. Spin is not considered
path	string	Local path of picture

sample code

ft.getImageInfo({
  src: 'images/a.jpg',
  success(res) {
    console.log(res.width)
    console.log(res.height)
  }
})

ft.chooseImage({
  success(res) {
    ft.getImageInfo({
      src: res.tempFilePaths[0],
      success(res) {
        console.log(res.width)
        console.log(res.height)
      }
    })
  }
})

compressImage

ft.compressImage(Object object)

Base library 2.0.5 support from iOS version 2.10.4, Android version 2.11.39

Compression image interface, optional compression quality

parameter

Object object

attribute	type	Default values	Required	Introductions
src	string		yes	Picture path, the path of the picture, support local path, code package path
quality	number	80	no	Compression mass, range 0100, the smaller the value, the lower the mass, and the higher the compression rate (valid only for jpg)
compressedWidth	number		no	The width of the compressed image, measured in px. If left blank, it will be scaled proportionally based on compressedHeight.
compressedHeight	number		no	The width of the compressed image, measured in px. If left blank, it will be scaled proportionally based on compressedWidth.
success	function		no	Interface calls the successful callback function
fail	function		no	Interface calls failed callback functions
complete	function		no	Callback function at the end of an interface call (both successful and unsuccessful calls are executed)

object.success callback

parameter

attribute	type	Introductions
tempFilePath	string	Temporary file path of compressed image (Local path)

sample code

ft.compressImage({
  src: '', // Picture path
  quality: 80 // Compression mass
})

chooseFile

Select files from client session

parameter

Object object

attribute	type	Default values	Required	Introductions
count	number	true	yes	The maximum number of files you can choose, you can 0100
type	string	'all'	no	Type of file selected
extension	Array.<string>		no	Filter by filename extension, only type==file Is effective when... Each item cannot be an empty string. No filter by default.
success	function		no	Interface calls the successful callback function
fail	function		no	Interface calls failed callback functions(当授权失败时，返回错误信息：fail unauthorized 用户未授予读写外部存储权限)
complete	function		no	Callback function at the end of an interface call (both successful and unsuccessful calls are executed)

object.type Legal value

value	Introductions
all	Select from all files
video	Video files can only be selected
image	Select only picture file
file	You can choose files other than pictures and videos

Note

• Interface authorization failure (Android): 1.

1. the user refuses to authorise, an error message is returned: unauthorized The user has not granted permission to read or write to external storage
2. the host app disables the mini progmini programrams from initiating permission requests, an error message is returned: unauthorized disableauthorized SDK is disabled from initiating permission requests

chooseMessageFile

Supported from base library 1.3.9, needs to be implemented as a custom API

Select a file from the client session

parameter

Object object

attribute	type	Default values	Required	Introductions
count	number	true	yes	The maximum number of files you can choose, you can 0100
type	string	'all'	no	Type of file selected
extension	Array.<string>		no	Filter by filename extension, only type==file Is effective when... Each item cannot be an empty string. No filter by default.
camera	string	'back'	no	The default pull up is either the front or rear camera.
success	function		no	Interface calls the successful callback function
fail	function		no	Interface calls failed callback functions(当授权失败时，返回错误信息：fail unauthorized 用户未授予读写外部存储权限)
complete	function		no	Callback function at the end of an interface call (both successful and unsuccessful calls are executed)

object.type Legal value

value	Introductions
all	Select from all files
video	Video files can only be selected
image	Select only picture file
file	You can choose files other than pictures and videos

Note

• Interface authorization failure (Android): 1.

1. the user refuses to authorise, an error message is returned: unauthorized The user has not granted permission to read or write to external storage
2. the host app disables the mini progmini programrams from initiating permission requests, an error message is returned: unauthorized disableauthorized SDK is disabled from initiating permission requests

chooseImage

Base library support from 1.3.9, iOS version 2.1.23, Android version 2.1.38

chooseImage(Object object)

Select pictures from local albums or use the camera to take photos

parameter

Object object

attribute	type	Default values	Required	Introductions
count	number	9	no	Maximum number of pictures you can choose
sizeType	Array.<string>	['original', 'compressed']	no	The size of the selected picture
sourceType	Array.<string>	['album', 'camera']	no	Select the source of the image
success	function		no	Interface calls the successful callback function
fail	function		no	Interface calls failed callback functions(When authorization fails, an error message is returned: fail unauthorized The user has not been granted read external storage, read/write external storage privileges)
complete	function		no	Callback function at the end of an interface call (both successful and unsuccessful calls are executed)

object.sizeType Legal value

value	Introductions
original	Original
compressed	Compression diagram

object.sourceType Legal value

value	Introductions
album	Select from an album
camera	Using the camera

object.success callback

parameter

Object res

attribute	type	Introductions
tempFilePaths	Array.<string>	List of local temp file paths for pictures (Local path)
tempFiles	Array.<Object>	List of local temporary files for pictures

res.tempFiles Structure

attribute	type	Introductions
path	string	Local temporary file path (Local path)
size	number	Local temporary file size, unit B

sample code

ft.chooseImage({
  count: 1,
  sizeType: ['original', 'compressed'],
  sourceType: ['album', 'camera'],
  success(res) {
    // TempFilePath can display pictures as src attribute of img tag
    const tempFilePaths = res.tempFilePaths
  }
})

Note

• Interface authorization failure (iOS). 1:

1. the user refuses to authorise, an error message is returned: unauthorized, the user has not granted the album permission
2. The host app disables the mini progmini programrams from actively requesting permissions, an error message is returned: unauthorized disableauthorized, the SDK is disabled from requesting album permissions.

• Interface authorization failure (Android).

1. the user refuses to authorise, an error message will be returned: unauthorized the user has not granted permission to read external storage, read/write external storage
2. the host app prohibits the mini progmini programrams from initiating permission requests, an error message is returned: unauthorized disableauthorized SDK is prohibited from initiating permission requests

fileToBase64

ft.fileToBase64(Object object)

Convert images to base64 data

parameter

Object object

attribute	type	Default values	Required	Introductions
url	string		yes	Image paths, paths to images, local paths supported

object.success callback

parameter

attribute	type	Introductions
data	string	Converted base64 data

sample code

ft.fileToBase64({
  url: '', // Image path
})

video

saveVideoToPhotosAlbum

Base library 2.0.7 support from iOS version 2.10.7, Android version 2.11.43

saveVideoToPhotosAlbum(Object object)

Save the video to the system album. Support mp4 video format

parameter

Object object

attribute	type	Default values	Required	Introductions
filePath	string		yes	Video file path, can be temporary file path or permanent file path (Local path)
success	function		no	Interface calls the successful callback function
fail	function		no	Interface calls failed callback functions(When authorization fails, an error message is returned: fail unauthorized The user has not granted read external storage, read/write external storage privileges)
complete	function		no	Callback function at the end of an interface call (both successful and unsuccessful calls are executed)

sample code

ft.saveVideoToPhotosAlbum({
  filePath: 'finfile://xxx',
  success (res) {
    console.log(res.errMsg)
  }
})

Note

• Interface authorization failure (iOS). 1:

1. the user refuses to authorise, an error message is returned: unauthorized, the user has not granted the album permission
2. The host app disables the mini progmini programrams from actively requesting permissions, an error message is returned: unauthorized disableauthorized, the SDK is disabled from requesting album permissions.

• Interface authorization failure (Android).

1. the user refuses to authorise, an error message will be returned: unauthorized the user has not granted permission to read external storage, read/write external storage
2. the host app prohibits the mini progmini programrams from initiating permission requests, an error message is returned: unauthorized disableauthorized SDK is prohibited from initiating permission requests

createVideoContext

Base library support from 2.11.2, iOS version 2.34.1, Android version 2.34.1 VideoContext ft.createVideoContext(string id, Object this)

create video context VideoContext Object. Recommended use ft.createSelectorQuery Obtain context Object

parameter

string id

video Component id

Object this

Under a custom component, the this of the current component instance to manipulate within the component video assembly

Return value

VideoContext

VideoContext Method

VideoContext.play()

Play the video

VideoContext.pause()

Pause video

VideoContext.stop()

Stop the video

VideoContext.seek(number position)

Jump to the specified location

position Unit s

VideoContext.sendDanmu(Object data)

Send barrage

parameter

Object data

attribute	type	Default values	Required	Introductions
text	string		yes	Barrage text
color	string		no	Barrage Color

VideoContext.playbackRate(number rate)

Set playback speed

Multiplier, support 0.5/0.8/1.0/1.25/1.5，2.6.3 Rise support 2.0 Double speed

VideoContext.requestFullScreen(Object object)

Go to full screen. If you have custom content that needs to be displayed at full screen, place the content node in the video Node

parameter

Object object

attribute	type	Default values	Required	Introductions
direction	number		no	Set the direction of the video at full screen. If not specified, it will be judged automatically according to the aspect ratio.

VideoContext.exitFullScreen()

Exit Full Screen

VideoContext.showStatusBar()

Display status bar, valid for iOS full screen only

VideoContext.hideStatusBar()

Hide the status bar, only available in full iOS screen

VideoContext.requestBackgroundPlayback()

Enter background audio playback mode

VideoContext.exitBackgroundPlayback()

Exit background audio playback mode.

chooseVideo

Base library support from 1.3.9, iOS version 2.1.23, Android version 2.1.38

chooseVideo(Object object)

Shoot a video or select a video from your phone album

parameter

Object object

attribute	type	Default values	Required	Introductions
sourceType	Array.<string>	['album', 'camera']	no	Source of video selection
compressed	boolean	true	no	Whether to compress the selected video file
maxDuration	number	60	no	Maximum time to shoot video, per second
camera	string	'back'	no	The default pull is the front or rear camera. part Android Mobile phone down due to system ROME No support. Can't take effect.
success	function		no	Interface calls the successful callback function
fail	function		no	Interface calls failed callback functions（当授权失败时，返回错误信息：fail unauthorized 用户未授予读取外部存储权限）
complete	function		no	Callback function at the end of an interface call (both successful and unsuccessful calls are executed)

object.sourceType Legal value

value	Introductions
album	Select video from album
camera	Use your camera to shoot video

object.camera Legal value

value	Introductions
back	Default pull up rear camera
front	Default pull up front camera

object.success callback

parameter

Object res

attribute	type	Introductions
coverImagePath	string	Preview image path for selected videos
duration	number	Time length of selected video
tempFilePath	string	Temporary file path for selected video (Local path)
size	number	Amount of data for selected video
width	number	Returns the height of the selected video
height	number	Returns the width of the selected video

sample code

ft.chooseVideo({
  sourceType: ['album', 'camera'],
  maxDuration: 60,
  camera: 'back',
  success(res) {
    console.log(res.tempFilePath)
  }
})

Note

• Interface authorization failure (iOS). 1:

1. the user refuses to authorise, an error message is returned: unauthorized, the user has not granted the album permission
2. The host app disables the mini progmini programrams from actively requesting permissions, an error message is returned: unauthorized disableauthorized, the SDK is disabled from requesting album permissions.

• Interface authorization failure (Android).

1. the user refuses to authorise, an error message will be returned: unauthorized user not granted permission to read external storage
2. the host app prohibits the mini progmini programrams from initiating permission requests, an error message is returned: unauthorized disableauthorized SDK is prohibited from initiating permission requests

previewVideo

Base library support from 1.3.9, iOS version 2.1.23, Android version 2.1.38

previewVideo(Object object)

Full screen preview of the video in a new page.

parameter

Object object

attribute	type	Default values	Required	Introductions
url	string		yes	The address of the video source, either a temporary video path or a web video path.
autoplay	boolean	false	no	Whether to compress the selected video file
success	function		no	Interface calls the successful callback function
fail	function		no	Interface calls failed callback functions
complete	function		no	Callback function at the end of an interface call (both successful and unsuccessful calls are executed)

sample code

ft.previewVideo({
  url: 'http://static.tripbe.com/videofiles/20121214/9533522808.f4v.mp4',
  autoplay: true,
  success(res) {
    console.log(res.tempFilePath)
  }
})

getVideoInfo

Base library support from 3.1.17, iOS version 2.42.11, Android version 2.42.11

getVideoInfo(Object object)

Get detailed information about a video.

parameter

Object object

attribute	type	Default values	Required	Introductions
src	string		yes	Video file path, local file path starting with a custom protocol
success	function		no	Interface calls the successful callback function
fail	function		no	Interface calls failed callback functions
complete	function		no	Callback function at the end of an interface call (both successful and unsuccessful calls are executed)

object.success

parameter

Object res

attribute	type	Introductions
orientation	string	Screen orientation of the video
type	string	Video format
duration	number	Video duration
size	number	Video size, in kB
height	number	Video height, in pixels
width	number	Video width, in pixels
fps	number	Video frame rate
bitrate	number	Video bitrate, in kbps

res.orientation

Value	Introductions
up	Default
down	180-degree rotation
left	Counterclockwise 90-degree rotation
right	Clockwise 90-degree rotation
up-mirrored	Same as up, but horizontally flipped
down-mirrored	Same as down, but horizontally flipped
left-mirrored	Same as left, but vertically flipped
right-mirrored	Same as right, but vertically flipped

sample code

ft.getVideoInfo({
  path: wx.env.USER_DATA_PATH + '/path/to/video.mp4'
  success(res) {
    console.log(res)
  }
})

VideoContext

VideoContext Example, you can use the ft.createVideoContext Get.

VideoContext adopt id With one. video Component binding, the corresponding video Component

Method

• VideoContext.play()
  Play the video

• VideoContext.pause()
  Pause video

• VideoContext.stop()
  Stop the video

• VideoContext.seek(number position)
  Jump to the specified location

• VideoContext.sendDanmu(Object data)
  Send barrage

• VideoContext.playbackRate(number rate)
  Set playback speed

• VideoContext.requestFullScreen(Object object)
  Go to full screen. If you have custom content that needs to be displayed at full screen, place the content node in the video Node

• VideoContext.exitFullScreen()
  Exit Full Screen

• VideoContext.showStatusBar()
  Display status bar, valid for iOS full screen only

• VideoContext.hideStatusBar()
  Hide the status bar, only available in full iOS screen

• VideoContext.exitPictureInPicture()
  Exit window, which can be called on any page

audio frequency

stopVoice

Base library support from 1.3.9, iOS version 2.1.23, Android version 2.1.38

stopVoice(Object object)

End playback

parameter

Object object

attribute	type	Default values	Required	Introductions
success	function		no	Interface calls the successful callback function
fail	function		no	Interface calls failed callback functions
complete	function		no	Callback function at the end of an interface call (both successful and unsuccessful calls are executed)

sample code

ft.startRecord({
  success(res) {
    const tempFilePath = res.tempFilePath
    ft.playVoice({
      filePath: tempFilePath,
    })

    setTimeout(() => { ft.stopVoice() }, 5000)
  }
})

setInnerAudioOption

setInnerAudioOption(Object object) Set up InnerAudioContext The playback option of. Set to take effect globally for the current Mini Program

parameter

Object object

attribute	type	Default values	Required	Introductions
mixWithOther	boolean	true	no	To mix with other audio, set to true After that, the music in other apps or WeChat will not be terminated.
obeyMuteSwitch	boolean	true	no	(Only iOS Is the mute switch followed and set to false After that, the sound can be played even in silent mode
speakerOn	boolean	true	no	true Stand for playing on speaker, false Represents handset playback, default is true
success	function		no	Interface calls the successful callback function
fail	function		no	Interface calls failed callback functions
complete	function		no	Callback function at the end of an interface call (both successful and unsuccessful calls are executed)
Note
To ensure the overall WeChat experience, speaker on for true The client ignores the mixWithOthers Parameter to enforce mutex with other audio
It is not supported to switch to the speaker while playing the audio. If you need to switch, you can first pause the audio and record the time point of the current pause, and then switch to play the audio again from the original time point.
at present ft.setInnerAudioOption Interface incompatibility ft.createWebAudioContext Interface, not compatible ft.createInnerAudioContext open useWebAudioImplement Will be supported in subsequent versions		success	function

playVoice

Base library support from 1.3.9, iOS version 2.1.23, Android version 2.1.38

playVoice(Object object)

Start playing the voice. At the same time only allows a voice file is playing, if the previous voice file has not played over, will interrupt a previous voice playback

parameter

Object object

attribute	type	Default values	Required	Introductions
filePath	string		yes	File path of the voice file to be played (Local path)
duration	number	60	no	Specify the playing time, after the specified playing time will automatically stop playing, unit: seconds
success	function		no	Interface calls the successful callback function
fail	function		no	Interface calls failed callback functions
complete	function		no	Callback function at the end of an interface call (both successful and unsuccessful calls are executed)

sample code

ft.startRecord({
  success(res) {
    const tempFilePath = res.tempFilePath
    ft.playVoice({
      filePath: tempFilePath,
      complete() { }
    })
  }
})

pauseVoice

Base library support from 1.3.9, iOS version 2.1.23, Android version 2.1.38

pauseVoice(Object object)

Pauses a voice that is playing. Call again ft.playVoice When the same file is played, it starts at the pause point. If you want to play from scratch, you need to call ft.stopVoice。

parameter

Object object

attribute	type	Default values	Required	Introductions
success	function		no	Interface calls the successful callback function
fail	function		no	Interface calls failed callback functions
complete	function		no	Callback function at the end of an interface call (both successful and unsuccessful calls are executed)

sample code

ft.startRecord({
  success(res) {
    const tempFilePath = res.tempFilePath
    ft.playVoice({
      filePath: tempFilePath
    })

    setTimeout(() => { ft.pauseVoice() }, 5000)
  }
})

getAvailableAudioSources

Base library support from 3.1.17, iOS version 2.42.11, Android version 2.42.11

getAvailableAudioSources(Object object)

Obtain currently supported audio input sources

parameter

Object object

attribute	type	Default values	Required	Introductions
success	function		no	Interface calls the successful callback function
fail	function		no	Interface calls failed callback functions
complete	function		no	Callback function at the end of an interface call (both successful and unsuccessful calls are executed)

object.success callback

parameter

Object res

attribute	type	Introductions
audioSources	Array.<string>	List of supported audio input sources

res.audioSources

Value	Description
auto	Automatically set, default to using the phone's microphone; switches to the headset microphone when earphones are plugged in. Applicable to all platforms.
buildInMic	Phone's microphone only, limited to iOS.
headsetMic	Headset microphone only, limited to iOS.
mic	Microphone (phone's microphone when no earphones are plugged in, and headset microphone when earphones are plugged in), limited to Android.
camcorder	Same as mic, suitable for recording audio and video content, limited to Android.
voice_communication	Same as mic, suitable for real-time communication, limited to Android.
voice_recognition	Same as mic, suitable for voice recognition, limited to Android.

sample code

ft.getAvailableAudioSources({
  success(res) {
    console.log(res.audioSources)
  }
})

createInnerAudioContext

InnerAudioContext ft.createInnerAudioContext()

Create inside audio context InnerAudioContext Object

Return value

InnerAudioContext

createAudioContext

AudioContext ft.createAudioContext(string id, Object this)

create audio context AudioContext Object.

parameter

string id

audio Component id

Object this

Under a custom component, the this of the current component instance to manipulate within the component audio assembly

Return value

AudioContext

AudioContext

AudioContext Example, you can use the ft.createAudioContext Get

AudioContext adopt id With one. audio Component binding, the corresponding audio Component

Method

• AudioContext.setSrc(string src)
  Set the audio address

• AudioContext.play()
  Play audio.

• AudioContext.pause()
  Pause audio

• AudioContext.seek(number position)
  Jump to the specified location.

sample code

<!-- audio.FXML -->
<audio  src="{{src}}" id="myAudio" ></audio>

<button type="primary" Bindtap = "audioPlay">play</button>
<button type="primary" Bindtap = "audiopause">Pause</button>
<button type="primary" bindtap="audio14">Set the current playback time to 14 seconds</button>
<button type="primary" Bindtap = "audioStart">Back to the beginning.</button>

// audio.js
Page({
  onReady (e) {
    // Use  ft.createAudioContext Obtain audio context context
    this.audioCtx = ft.createAudioContext('myAudio')
    this.audioCtx.setSrc('http://ws.stream.qqmusic.qq.com/M500001VfvsJ21xFqb.mp3?guid=ffffffff82def4af4b12b3cd9337d5e7&uin=346897220&vkey=6292F51E1E384E06DCBDC9AB7C49FD713D632D313AC4858BACB8DDD29067D3C601481D36E62053BF8DFEAF74C0A5CCFADD6471160CAF3E6A&fromtag=46')
    this.audioCtx.play()
  },
  data: {
    src: ''
  },
  audioPlay () {
    this.audioCtx.play()
  },
  audioPause () {
    this.audioCtx.pause()
  },
  audio14 () {
    this.audioCtx.seek(14)
  },
  audioStart () {
    this.audioCtx.seek(0)
  }
})

InnerAudioContext

InnerAudioContext Example, you can use the ft.createInnerAudioContext Interface gets an instance

attribute

• string src
  ​ The address of an audio resource for direct playback. 2.2.3 Start supporting cloud file ID

• number startTime
  ​ Starting position (s), default to 0

• boolean autoplay
  Whether to start playing automatically, by default false

• boolean loop
  Whether to loop, by default false

• number volume
  Volume. range 01。 Default is 1

• number playbackRate
  Playback speed. range 0.5-2.0 by default 1。（Android Need 6 And above)

Method

• InnerAudioContext.play()
  play

• InnerAudioContext.pause()
  Time out. Playback of paused audio starts at the paused point

• InnerAudioContext.stop()
  Stop. After the stop audio replay will be played from the beginning

• InnerAudioContext.seek(number position)
  Jump to the specified location

• InnerAudioContext.destroy()
  Destroy current instance

• InnerAudioContext.onCanplay(function callback)
  Listen for events in which audio enters playable state. But it doesn't guarantee a smooth playback
  ​

• InnerAudioContext.offCanplay(function callback)
  Event that cancels listening for audio entering playable state

• InnerAudioContext.onPlay(function callback)
  Listen for audio playback events

• InnerAudioContext.offPlay(function callback)
  Unlisten Audio Playback Event

• InnerAudioContext.onPause(function callback)
  Listening for audio pause events

• InnerAudioContext.offPause(function callback)
  Unlisten Audio Pause Event

• InnerAudioContext.onStop(function callback)
  Listen for audio stop events

• InnerAudioContext.offStop(function callback)
  Cancel listening audio stop event

• InnerAudioContext.onEnded(function callback)
  Listen to events where audio plays naturally to the end

• InnerAudioContext.offEnded(function callback)
  Unlisten for audio natural playback to the end of the event

• InnerAudioContext.onTimeUpdate(function callback)
  Listen to audio playback progress update events

• InnerAudioContext.offTimeUpdate(function callback)
  Unlisten audio playback progress update event

• InnerAudioContext.onError(function callback)
  Listen for audio playback error events

• InnerAudioContext.offError(function callback)
  Unlisten Audio Playback Error Event

• InnerAudioContext.onWaiting(function callback)
  Listen for audio loading events. Triggered when audio needs to be stopped and loaded due to insufficient data

• InnerAudioContext.offWaiting(function callback)
  Unlistening for Audio Loading Events

• InnerAudioContext.onSeeking(function callback)
  Listen to audio jump operation event

• InnerAudioContext.offSeeking(function callback)
  Cancel listening audio jump operation event

• InnerAudioContext.onSeeked(function callback)
  Listen for audio events to complete jump operations

• InnerAudioContext.offSeeked(function callback)
  Unlisten for an event that completes a jump operation with audio

sample code

// innerAudioContext.js
const innerAudioContext = ft.createInnerAudioContext()
innerAudioContext.autoplay = true
innerAudioContext.src = 'http://ws.stream.qqmusic.qq.com/M500001VfvsJ21xFqb.mp3?guid=ffffffff82def4af4b12b3cd9337d5e7&uin=346897220&vkey=6292F51E1E384E061FF02C31F716658E5C81F5594D561F2E88B854E81CAAB7806D5E4F103E55D33C16F3FAC506D1AB172DE8600B37E43FAD&fromtag=46'
innerAudioContext.onPlay(() => {
  console.log('Start playing.')
})
innerAudioContext.onError((res) => {
  console.log(res.errMsg)
  console.log(res.errCode)
})

Background audio

stopBackgroundAudio

Stop playing the music.

wx.stopBackgroundAudio(Object object)

parameter

Object object

attribute	type	Default values	Required	Introductions
success	function		no	Interface calls the successful callback function
fail	function		no	Interface calls failed callback functions
complete	function		no	Callback function at the end of an interface call (both successful and unsuccessful calls are executed)

Sample code

wx.stopBackgroundAudio()

seekBackgroundAudio

Control the progress of the music playback.

wx.seekBackgroundAudio(Object object)

parameter

Object object

attribute	type	Default values	Required	Introductions
position	number	---	是	音乐位置，单位：秒
success	function		no	Interface calls the successful callback function
fail	function		no	Interface calls failed callback functions
complete	function		no	Callback function at the end of an interface call (both successful and unsuccessful calls are executed)

Sample code

wx.seekBackgroundAudio({
  position: 30
})

playBackgroundAudio

Use a background player to play music.

wx.playBackgroundAudio(Object object)

parameter

Object object

attribute	type	Default values	Required	Introductions
dataUrl	string		yes	Music links, currently supported formats are m4a, aac, mp3, wav
title	string		no	Music titles
coverImgUrl	string		no	Cover URL
success	function		no	Interface calls the successful callback function
fail	function		no	Interface calls failed callback functions
complete	function		no	Callback function at the end of an interface call (both successful and unsuccessful calls are executed)

pauseBackgroundAudio

Pause the music.

wx.pauseBackgroundAudio(Object object)

parameter

Object object

attribute	type	Default values	Required	Introductions
success	function		no	Interface calls the successful callback function
fail	function		no	Interface calls failed callback functions
complete	function		no	Callback function at the end of an interface call (both successful and unsuccessful calls are executed)

Sample code

wx.pauseBackgroundAudio()

onBackgroundAudioStop

Listen to the music stop event

wx.onBackgroundAudioStop(function callback)

parameter

function callback

Callback function for music stop event

onBackgroundAudioPlay

Listen to music playback events

wx.onBackgroundAudioPlay(function callback)

parameter

function callback

Callback function for music playback event

onBackgroundAudioPause

Listen for music pauses

wx.onBackgroundAudioPause(function callback)

parameter

function callback

Callback function for music pause events

getBackgroundAudioPlayerState

Gets background music playback status.

wx.getBackgroundAudioPlayerState(Object object)

parameter

Object object

attribute	type	Default values	Required	Introductions
success	function		no	Interface calls the successful callback function
fail	function		no	Interface calls failed callback functions
complete	function		no	Callback function at the end of an interface call (both successful and unsuccessful calls are executed)

object.success callback

parameter

Object res

attribute	type	Introductions
duration	number	Length of selected audio (in s), returned only when music is playing
currentPosition	number	Selected audio playback location (in s), only returned when music is playing
status	number	Play state
downloadPercent	number	Percentage of audio download progress, only returned when music is playing
dataUrl	string	Song data link, returned only when music is playing

status Legal value

value	Introductions
0	Suspended
1	Play
2	No music playing

Sample code

wx.getBackgroundAudioPlayerState({
  success (res) {
    const status = res.status
    const dataUrl = res.dataUrl
    const currentPosition = res.currentPosition
    const duration = res.duration
    const downloadPercent = res.downloadPercent
  }
})

getBackgroundAudioManager

ObtainGlobally uniqueBackground Audio Manager. Mini Program cut into the background, if the audio is playing state, you can continue to play. But the background state cannot manipulate the playback state of the audio by calling the API.

Return value

BackgroundAudioManager

BackgroundAudioManager

BackgroundAudioManager Example, you can use the ft.getBackgroundAudioManager Get

Notes. The ability to play audio in the background of iOS BackgroundAudioManager requires the user to add it to target-capabilities, background Modes and check audio,AirPlay,and Picture in Picture

attribute

• string src
  ​ Audio data source (2.2.3 Start supporting cloud file ID). Default is empty string,When a new src Will automatically start playingCurrently supported formats are m4a, aac, mp3, wav

• number startTime
  ​ Where the audio starts playing (in s).

• string title
  ​ Audio title for native audio player audio title (required). The share function in the native audio player, which shares out the card title, will also use this value

• string epname
  ​ Album names, sharing features in native audio players, and sharing out card profiles will also use this value

• string singer
  ​ The name of the singer, the sharing function in the native audio player, and the sharing of the card profile will also use this value

• string coverImgUrl
  ​ Cover picture URL, used to do native audio player background map. Native audio player in the sharing function, share out of the card layout and background will also use the map

• string webUrl
  ​ Page links, sharing features in native audio players, and shared card profiles will also use this value

• string protocol
  ​ Audio protocol. Default value is 'http ', setting 'hls' Can support playback HLS Protocol live audio

• number playbackRate
  ​ Playback speed. range 0.5-2.0 by default 1。（Android Need 6 And above)

• number duration
  ​ Length of current audio (in s), only if there is a valid src Returns when. (Read Only)

• number currentTime
  ​ Current audio playback position (unit: s), only if there is a legitimate src Returns when. (Read Only)

• boolean paused
  ​ Whether the current pause or stop. (Read Only)

• number buffered
  ​ The time that the audio has been buffered, ensuring only that the content at this point in time is buffered. (Read Only)

• string referrerPolicy
  ​ Not supported

Method

• BackgroundAudioManager.play()
  Play music

• BackgroundAudioManager.pause()
  Pause the music

• BackgroundAudioManager.seek(number currentTime)
  Jump to the specified location

• BackgroundAudioManager.stop()
  Stop the music

• BackgroundAudioManager.onCanplay(function callback)
  Listen for background audio to enter a playable state event. But it doesn't guarantee a smooth playback
  ​

• BackgroundAudioManager.onPlay(function callback)
  Listen for background audio playback events

• BackgroundAudioManager.onPause(function callback)
  Listen for background audio pause events

• BackgroundAudioManager.onStop(function callback)
  Listen for background audio stop event

• BackgroundAudioManager.onEnded(function callback)
  Monitor background audio natural playback end event

• BackgroundAudioManager.onTimeUpdate(function callback)
  Listen for background audio playback progress update event, only Mini Program in the foreground will callback

• BackgroundAudioManager.onError(function callback)
  Listen for background audio playback error events

• BackgroundAudioManager.onWaiting(function callback)
  Listen for audio loading events. Triggered when audio needs to be stopped and loaded due to insufficient data

• BackgroundAudioManager.onSeeking(function callback)
  Listen to background audio start jump operation event

• BackgroundAudioManager.onSeeked(function callback)
  Listen to background audio to complete jump operation event

• BackgroundAudioManager.onNext(function callback)
  Listen to the user click on the next song event in the system music play panel (iOS only)

• BackgroundAudioManager.onPrev(function callback)
  Listen to the user click on the previous event in the system music player panel (iOS only)

sample code

const backgroundAudioManager = ft.getBackgroundAudioManager()

backgroundAudioManager.title = 'Here and now.'
backgroundAudioManager.epname = 'Here and now.'
backgroundAudioManager.singer = 'Xu wei'
backgroundAudioManager.coverImgUrl = 'http://xxx'
// Set src And it will play automatically.
backgroundAudioManager.src = 'http://xxx'

Real-time audio and video

createLivePusherContext

createLivePusherContext()

create live-pusher context LivePusherContext Object.

Return value

LivePusherContext

Method

• LivePusherContext.start(Object object)
  Start pushing the flow while turning on camera preview

• LivePusherContext.stop(Object object)
  Stop the push stream while stopping the camera preview

• LivePusherContext.pause(Object object)
  Suspend push-off

• LivePusherContext.resume(Object object)
  Recovery push-off

• LivePusherContext.switchCamera(Object object)
  Switch back and forth cameras

• LivePusherContext.snapshot(Object object)
  snapshot

• LivePusherContext.toggleTorch(Object object)
  Switch flashlights

• LivePusherContext.playBGM(Object object)
  Play background music

• LivePusherContext.stopBGM(Object object)
  Stop background

• LivePusherContext.pauseBGM(Object object)
  Pause background

• LivePusherContext.resumeBGM(Object object)
  Restore the background sound

• LivePusherContext.setBGMVolume(Object object)
  Set the background volume

• LivePusherContext.setMICVolume(Object object)
  Set microphone volume

• LivePusherContext.startPreview(Object object)
  Open camera preview

• LivePusherContext.stopPreview(Object object)
  Turn off camera preview

createLivePlayerContext

createLivePlayerContext()

create live-player context LivePlayerContext Object. Recommended use ft.createSelectorQuery Obtain context Object

parameter

string id

live-player Component id

Object this

Under a custom component, the this of the current component instance to manipulate within the component live-player assembly

Return value

LivePlayerContext

Method

• LivePlayerContext.play(Object object)
  play

• LivePlayerContext.stop(Object object)
  stop

• LivePlayerContext.mute(Object object)
  Mute

• LivePlayerContext.pause(Object object)
  Pause

• LivePlayerContext.resume(Object object)
  restore

• LivePlayerContext.requestFullScreen(Object object)
  Enter full screen

• LivePlayerContext.exitFullScreen(Object object)
  Exit Full Screen

• LivePlayerContext.exitPictureInPicture(Object object)
  Exit window, which can be called on any page

• LivePlayerContext.snapshot(Object object)
  screenshot

Sound recording

stopRecord

Base library support from 1.3.9, iOS version 2.1.23, Android version 2.1.38, 依赖扩展 SDK

stopRecord(Object object)

Stop recording

sample code

ft.startRecord({
  success(res) {
    const tempFilePath = res.tempFilePath
  }
})
setTimeout(function () {
  ft.stopRecord() // End recording
}, 10000)

startRecord

Base library support from 1.3.9, iOS version 2.1.23, Android version 2.1.38, 依赖扩展 SDK

startRecord(Object object)

Start recording. When the active call ft.stopRecord, or automatically stop recording when the recording exceeds 1 minute. This interface cannot be called when the user leaves the Mini Program

parameter

Object object

attribute	type	Default values	Required	Introductions
success	function		no	Interface calls the successful callback function
fail	function		no	Interface calls failed callback functions (When authorisation fails, an error message is returned: fail unauthorized User has not granted camera, record audio permissions)
complete	function		no	Callback function at the end of an interface call (both successful and unsuccessful calls are executed)

object.success callback

parameter

Object res

attribute	type	Introductions
tempFilePath	string	Temporary path to recording file (Local path)

sample code

ft.startRecord({
  success(res) {
    const tempFilePath = res.tempFilePath
  }
})
setTimeout(function () {
  ft.stopRecord() // End recording
}, 10000)

Note

• Interface authorization failure (iOS). 1:

1. the user refuses to authorise, an error message is returned: unauthorized, the user has not granted microphone permission
2. The host app disables the mini progmini programrams from actively requesting permissions, an error message is returned: unauthorized disableauthorized, the SDK is disabled from requesting microphone permissions.

• Interface authorization failure (Android).

1. the user refuses to authorise, an error message will be returned: unauthorized the user has not granted camera and record audio permissions
2. the host app prohibits the mini progmini programrams from initiating permission requests, an error message is returned: unauthorized disableauthorized SDK is prohibited from initiating permission requests

getRecorderManager

RecorderManager ft.getRecorderManager()

ObtainGlobally uniqueRecording Manager RecorderManager

Return value

RecorderManager

RecorderManager

Global unique recording manager

Method

• RecorderManager.start(Object object)
  Start recording

  parameter

  Object object

  attribute	type	Default values	Required	Introductions
  duration	number	60000	no	Length of recording, unit Ms, maximum 600000（10 Minutes)
  sampleRate	number	8000	no	Sampling rate (not supported by pc)
  numberOfChannels	number	2	no	Number of recording channels
  encodeBitRate	number	48000	no	Code rate, valid values are shown in the table below
  format	string	aac	no	Audio format
  format	string	aac	no	Audio format
  frameSize	number		no	Specify frame size, in units KB。 to import frameSize Each time a specified frame size is recorded, the recorded file content will be called back, not specified, no callback. Support only temporarily mp3、pcm Format.
  audioSource	string	auto	no	Specifies the audio input source for the recording, which can be accessed through the ft.getAvailableAudioSources() Get the currently available audio source

  Sampling Rate and Code Rate Restriction

  Each sampling rate has the corresponding valid value of the coding rate range, setting illegal sampling rate or coding rate will lead to recording failure, the specific corresponding relationship as follows

  sampling rate	Coding rate
  8000	16000 ~ 48000
  11025	16000 ~ 48000
  12000	24000 ~ 64000
  16000	24000 ~ 96000
  22050	32000 ~ 128000
  24000	32000 ~ 128000
  32000	48000 ~ 192000
  44100	64000 ~ 320000
  48000	64000 ~ 320000

  sampleRate

  Legal value	Introductions
  8000	8000 sampling rate
  11025	11025 sampling rate
  16000	16000 sampling rate
  22050	22050 sampling rate
  24000	24000 sampling rate
  32000	32000 sampling rate
  44100	44100 sampling rate
  48000	48000 sampling rate

  numberOfChannels

  Legal value	Introductions
  1	1 Channel
  2	2 Channel

  format

  Legal value	Introductions
  mp3	mp3 format
  aac	aac format
  wav	wav format
  PCM	pcm format

  audioSource

  Legal value	Introductions
  auto	Automatically set to use the phone microphone by default and switch to the headset microphone automatically when the headset is plugged in, available on all platforms
  buildInMic	Mobile microphone, limited iOS
  headsetMic	Wired headphone microphone, limited iOS
  mic	Microphone (phone microphone when no headset is plugged in, headset microphone when headset is plugged in), Android only
  camcorder	with Mic, for recording audio and video content, limited Android
  voice_communication	with Mic, for real-time communication, limited Android
  voice_recognition	with Mic for speech recognition only Android

• RecorderManager.pause()
  Pause recording

• RecorderManager.resume()
  Continue recording

• RecorderManager.stop()
  Stop recording

  parameter

  Object object

  | attribute | type | Introductions | | --- | --- | --- | --- | --- | | tempFilePath | string | Temporary path to recording file (Local path) | | duration | number | Total duration of recording in ms | | fileSize | number | Recording file size in Byte |

• RecorderManager.onStart(function callback)
  Start of listening recording

• RecorderManager.onResume(function callback)
  Wiretaps continue the event

• RecorderManager.onPause(function callback)
  Listen to Pause Event

• RecorderManager.onStop(function callback)
  End of Listening Recording Event

• RecorderManager.onError(function callback)
  Listen for recording error events

• RecorderManager.onInterruptionBegin(function callback)
  The listening recording was interrupted because the system was in use. The following scenarios trigger this event: WeChat voice chat, WeChat video chat. After this event is triggered, the recording is suspended. pause Event is triggered after this event

• RecorderManager.onInterruptionEnd(function callback)
  Listening recording interrupt end event. Received. interruptionBegin After the event, all recordings in the Mini Program will be suspended, and only after this event can they be successfully recorded again

sample code

const recorderManager = ft.getRecorderManager()

recorderManager.onStart(() => {
  console.log('recorder start')
})
recorderManager.onPause(() => {
  console.log('recorder pause')
})
recorderManager.onStop((res) => {
  console.log('recorder stop', res)
  const { tempFilePath } = res
})
recorderManager.onFrameRecorded((res) => {
  const { frameBuffer } = res
  console.log('frameBuffer.byteLength', frameBuffer.byteLength)
})

const options = {
  duration: 10000,
  sampleRate: 44100,
  numberOfChannels: 1,
  encodeBitRate: 192000,
  format: 'aac',
  frameSize: 50
}

recorderManager.start(options)

Note

• Interface authorization failure (iOS). 1:

1. the user refuses to authorise, an error message is returned: unauthorized, the user has not granted microphone permission
2. The host app disables the mini progmini programrams from actively requesting permissions, an error message is returned: unauthorized disableauthorized, the SDK is disabled from requesting microphone permissions

camera

createCameraContext

createCameraContext()

create camera context CameraContext Object

Return value

CameraContext

CameraContext.onCameraFrame

CameraFrameListener CameraContext.onCameraFrame(function callback)

Obtain Camera Real-time frame data

parameter

function callback

callback

parameter

Object res

attribute	type	Introductions
width	number	Width of image data rectangle
height	number	Height of image data rectangle
data	ArrayBuffer	Image pixel data, one-dimensional array, every four items representing a pixel rgba

Return value

CameraFrameListener

Note: To use this interface you must also specify frame-size in the camera component attribute.

sample code

const context = ft.createCameraContext()
const listener = context.onCameraFrame((frame) => {
  console.log(frame.data instanceof ArrayBuffer, frame.width, frame.height)
})
listener.start()

CameraContext.setZoom

CameraContext.setZoom(Object object)

Set Zoom Level

parameter

Object object

attribute	type	Default values	Required	Introductions
zoom	number		yes	缩Zoom level, range[1, maxZoom]。zoom Decimals can be taken to one decimal place. maxZoom Available at bindinitdone In the return value
fail	function		no	Interface calls failed callback functions
complete	function		no	Callback function at the end of an interface call (both successful and unsuccessful calls are executed)

object.success callback

parameter

attribute	type	Introductions
zoom	number	The scale level that is actually set. Due to system limitations, some models may not be able to set to the specified value, will be replaced by the nearest settable value.

CameraContext.startRecord

CameraContext.startRecord(Object object)

Start recording

parameter

Object object

attribute	type	Default values	Required	Introductions	Minimum version
timeoutCallback	function		no	Over 30 s or pages onHide When it ends
success	function		no	Interface calls the successful callback function
fail	function		no	Interface calls failed callback functions
complete	function		no	Callback function at the end of an interface call (both successful and unsuccessful calls are executed)

object.timeoutCallback callback

parameter

attribute	type	Introductions
tempThumbPath	string	Temporary path to cover image file (Local path)
tempVideoPath	string	Temporary path to a file for a video (Local path)

CameraContext.stopRecord

CameraContext.stopRecord(Object object)

End Video

parameter

Object object

attribute	type	Default values	Required	Introductions
compressed	boolean	false	no	Start video compression with the same compression effectchooseVideo
success	function		no	Interface calls the successful callback function
fail	function		no	Interface calls failed callback functions
complete	function		no	Callback function at the end of an interface call (both successful and unsuccessful calls are executed)

object.success callback

parameter

attribute	type	Introductions
tempThumbPath	string	Temporary path to cover image file (Local path)
tempVideoPath	string	Temporary path to a file for a video (Local path)

CameraContext.takePhoto

CameraContext.takePhoto(Object object)

Taking photos

parameter

Object object

attribute	type	Default values	Required	Introductions	Minimum version
quality	string	normal	no	Image quality, high/normal/low
success	function		no	Interface calls the successful callback function
fail	function		no	Interface calls failed callback functions
complete	function		no	Callback function at the end of an interface call (both successful and unsuccessful calls are executed)

object.success callback

parameter

attribute	type	Introductions
tempImagePath	string	Temporary path to photo file (Local path), Android is jpg image format, ios is png

CameraFrameListener.start

CameraFrameListener.start(Object object)

Start monitoring the frame data

parameter

Object object

attribute	type	Default values	Required	Introductions
success	function		no	Interface calls the successful callback function
fail	function		no	Interface calls failed callback functions
complete	function		no	Callback function at the end of an interface call (both successful and unsuccessful calls are executed)

CameraFrameListener.stop

CameraFrameListener.stop(Object object)

Stop listening for frame data

parameter

Object object

attribute	type	Default values	Required	Introductions
success	function		no	Interface calls the successful callback function
fail	function		no	Interface calls failed callback functions
complete	function		no	Callback function at the end of an interface call (both successful and unsuccessful calls are executed)

Rich text

EditorContext.blur

EditorContext.blur(Object object)

The editor is out of focus and the keyboard is retracted

parameter

Object object

attribute	type	Default values	Required	Introductions
success	function		no	Interface calls the successful callback function
fail	function		no	Interface calls failed callback functions
complete	function		no	Callback function at the end of an interface call (both successful and unsuccessful calls are executed)

EditorContext.clear

EditorContext.clear(Object object)

Clear editor content

parameter

Object object

attribute	type	Default values	Required	Introductions
success	function		no	Interface calls the successful callback function
fail	function		no	Interface calls failed callback functions
complete	function		no	Callback function at the end of an interface call (both successful and unsuccessful calls are executed)

EditorContext.format

EditorContext.format(string name, string value)

Modify Style

parameter

string name

attribute

string value

value

Style list supporting settings

attribute	value
bold
italic
underline
strike
ins
script	sub / super
header	H1 / H2 / h3 / H4 / h5 / H6
align	left / center / right / justify
direction	rtl
indent	-1 / +1
list	ordered / bullet / check
color	hex color
backgroundColor	hex color
margin/marginTop/marginBottom/marginLeft/marginRight	css style
padding/paddingTop/paddingBottom/paddingLeft/paddingRight	css style
font/fontSize/fontStyle/fontVariant/fontWeight	css style
lineHeight	css style
letterSpacing	css style
textDecoration	css style
textIndent	css style
wordWrap	css style
wordBreak	css style
whiteSpace	css style

Selection settings that have already applied styles cancel styles. css style Express css The allowable value specified in

EditorContext.getContents

EditorContext.getContents(Object object)

Get editor content

parameter

Object object

attribute	type	Default values	Required	Introductions
success	function		no	Interface calls the successful callback function
fail	function		no	Interface calls failed callback functions
complete	function		no	Callback function at the end of an interface call (both successful and unsuccessful calls are executed)

object.success callback

parameter

Object res

attribute	type	Introductions
html	string	Tagged HTML content
text	string	Plain text content
delta	Object	Delta object representing content

EditorContext.getSelectionText

EditorContext.getSelectionText(Object object)

Gets the plain text content in the selected area of the editor. Returns empty when the editor is out of focus or an interval is not selected

parameter

Object object

attribute	type	Default values	Required	Introductions
success	function		no	Interface calls the successful callback function
fail	function		no	Interface calls failed callback functions
complete	function		no	Callback function at the end of an interface call (both successful and unsuccessful calls are executed)

object.success callback

parameter

Object res

attribute	type	Introductions
text	string	Plain text content

EditorContext.insertDivider

EditorContext.insertDivider(Object object)

parameter

Object object

attribute	type	Default values	Required	Introductions
success	function		no	Interface calls the successful callback function
fail	function		no	Interface calls failed callback functions
complete	function		no	Callback function at the end of an interface call (both successful and unsuccessful calls are executed)

EditorContext.insertImage

EditorContext.insertImage(Object object)

Insert picture.

When the address is a temporary file, the contents of the editor html format obtained in the &lt<img>&gt Tag Add Properties data-local，delta Pictures in Format Content attributes Attribute increase data-local Field, which is the temporary file address that was passed in.

The developer can choose to upload the image to the server during the submission phase, obtain the network address and replace it. Replace the html content with the &lt<img>&gt of src Value, for the delta Content should be replaced insert { image: abc } Value

parameter

Object object

attribute	type	Default values	Required	Introductions
src	string		yes	Image address, support only http(s), base64, cloud pictures(2.8.0), provisional documents(2.8.3)
alt	string		no	Alternate text when the image cannot be displayed
width	string		no	Image width (pixels/Percentage)
height	string		no	Picture height (pixels/Percentage)
extClass	string		no	Add to the picture img Class name on tag
data	Object		no	data Is serialized to be name=valuename1=value2 The format of the hanging property data-custom on
success	function		no	Interface calls the successful callback function
fail	function		no	Interface calls failed callback functions
complete	function		no	Callback function at the end of an interface call (both successful and unsuccessful calls are executed)

sample code

this.editorCtx.insertImage({
  src: 'xx',
  width: '100px',
  height: '50px',
  extClass: className
})

EditorContext.insertText

EditorContext.insertText(Object object)

Overwrite the current selection, set a text

parameter

Object object

attribute	type	Default values	Required	Introductions
text	string		no	Text content
success	function		no	Interface calls the successful callback function
fail	function		no	Interface calls failed callback functions
complete	function		no	Callback function at the end of an interface call (both successful and unsuccessful calls are executed)

EditorContext.redo

EditorContext.redo(Object object)

restore

parameter

Object object

attribute	type	Default values	Required	Introductions
success	function		no	Interface calls the successful callback function
fail	function		no	Interface calls failed callback functions
complete	function		no	Callback function at the end of an interface call (both successful and unsuccessful calls are executed)

EditorContext.removeFormat

EditorContext.removeFormat(Object object)

Clear the style of the current selection

parameter

Object object

attribute	type	Default values	Required	Introductions
success	function		no	Interface calls the successful callback function
fail	function		no	Interface calls failed callback functions
complete	function		no	Callback function at the end of an interface call (both successful and unsuccessful calls are executed)

EditorContext.scrollIntoView

EditorContext.scrollIntoView()

Scrolls the editor cursor to the viewable area of the window

EditorContext.setContents

EditorContext.setContents(Object object)

Initializes editor content, only delta takes effect when html and delta exist together

parameter

Object object

attribute	type	Default values	Required	Introductions
html	string		no	Tagged HTML content
delta	Object		no	Delta object representing content
success	function		no	Interface calls the successful callback function
fail	function		no	Interface calls failed callback functions
complete	function		no	Callback function at the end of an interface call (both successful and unsuccessful calls are executed)

EditorContext.undo

EditorContext.undo(Object object)

parameter

Object object

attribute	type	Default values	Required	Introductions
success	function		no	Interface calls the successful callback function
fail	function		no	Interface calls failed callback functions
complete	function		no	Callback function at the end of an interface call (both successful and unsuccessful calls are executed)

createMediaRecorder

create WebGL Picture recorder, which can be recorded frame by frame in WebGL And export the video file.

wx.createMediaRecorder(Object canvas, Object options)

parameter

Object canvas

WebGL Object, through the SelectorQuery Acquired node Object or through a wx.createOffscreenCanvas Create off-screen WebGL Canvas object

Object options

attribute	type	Default values	Required	Introductions
duration	number	600	no	Specify the length of recording s)Automatic stop is reached. Maximum 7200, Min 5
videoBitsPerSecond	number	1000	no	Video bit rate (kbps), minimum 600, Max 3000
gop	number	12	no	Video key interval
fps	number	24	no	video fps

Return value

MediaRecorder

MediaRecorder

Method

• MediaRecorder.pause()
  Pause recording

• MediaRecorder.resume()
  Resume recording

• MediaRecorder.start()
  Start recording.

• MediaRecorder.stop()
  Stop recording.