AudioRecorderService class

音频录制服务

封装 record 包,提供音频流录制功能 支持缓存录音数据,录音结束后一次性获取完整音频

Inheritance

Constructors

AudioRecorderService({int sampleRate = 16000, int numChannels = 1})

Properties

amplitude double
当前振幅 (0.0 - 1.0)
no setter
audioData Uint8List
获取缓存的所有音频数据(PCM 格式)
no setter
audioDurationSeconds double
获取音频时长(秒)
no setter
errorMessage String
错误信息
no setter
hashCode int
The hash code for this object.
no setterinherited
hasListeners bool
Whether any listeners are currently registered.
no setterinherited
isRecording bool
是否正在录音
no setter
numChannels int
final
recordingDuration int
录音时长(秒)
no setter
runtimeType Type
A representation of the runtime type of the object.
no setterinherited
sampleRate int
录音配置
final
state RecordingState
当前状态
no setter

Methods

addListener(VoidCallback listener) → void
Register a closure to be called when the object changes.
inherited
cancelRecording() Future<void>
取消录音
checkPermission() Future<bool>
检查并请求麦克风权限
dispose() → void
Discards any resources used by the object. After this is called, the object is not in a usable state and should be discarded (calls to addListener will throw after the object is disposed).
override
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
notifyListeners() → void
Call all the registered listeners.
inherited
removeListener(VoidCallback listener) → void
Remove a previously registered closure from the list of closures that are notified when the object changes.
inherited
startRecording({void onAudioData(Uint8List data)?, int? maxDuration, VoidCallback? onMaxDurationReached}) Future<bool>
开始录音并缓存音频数据
stopRecording() Future<RecordingResult>
停止录音并返回录音结果
toString() String
A string representation of this object.
inherited

Operators

operator ==(Object other) bool
The equality operator.
inherited