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页面间事件通信通道
持续监听一个事件
取消监听一个事件。给出第二个参数时，只取消给出的监听函数，否则取消所有监听函数
EventChannel
- 文件
- wx.getFileSystemManager
- wx.saveFile
- wx.getSavedFileInfo
- wx.getSavedFileList
- FileSystemManager
- FileSystemManager.rmdir
- FileSystemManager.appendFileSync
- FileSystemManager.removeSavedFile
- FileSystemManager.mkdir
- FileSystemManager.accessSync
- FileSystemManager.stat
- FileSystemManager.readFile
- FileSystemManager.getFileInfo
- FileSystemManager.access
- FileSystemManager.readdirSync
- FileSystemManager.readdir
- FileSystemManager.mkdirSync
- FileSystemManager.saveFileSync
- FileSystemManager.writeFile
- FileSystemManager.statSync
- FileSystemManager.renameSync
- FileSystemManager.unlink
- FileSystemManager.readFileSync
- FileSystemManager.rmdirSync
- FileSystemManager.appendFile
- FileSystemManager.writeFileSync
- FileSystemManager.getSavedFileList
- FileSystemManager.copyFile
- FileSystemManager.unlinkSync
- FileSystemManager.copyFileSync
- FileSystemManager.rename
- FileSystemManager.saveFile
- FileSystemManager.unzip
- wx.getFileInfo
- Stats
- wx.removeSavedFile
- wx.openDocument
- 广告
- 路由
- 网络
- 设备
- 剪贴板
- 设备方向
- 性能
- iBeacon
- 电话 wx.makePhoneCall
- 网络
- 联系人 wx.addPhoneContact
- 扫码 wx.scanCode
- 陀螺仪
- 低功耗蓝牙
- wx.onBLEConnectionStateChange
- wx.closeBLEConnection
- wx.notifyBLECharacteristicValueChange
- wx.getBLEDeviceCharacteristics
- wx.readBLECharacteristicValue
- wx.offBLECharacteristicValueChange
- wx.createBLEConnection
- wx.writeBLECharacteristicValue
- wx.getBLEDeviceServices
- wx.onBLECharacteristicValueChange
- wx.offBLEConnectionStateChange
- Wi-Fi
- NFC
- 屏幕
- 蓝牙
- wx.openBluetoothAdapter
- wx.startBluetoothDevicesDiscovery
- wx.onBluetoothDeviceFound
- wx.getBluetoothAdapterState
- wx.offBluetoothAdapterStateChange
- wx.onBluetoothAdapterStateChange
- wx.stopBluetoothDevicesDiscovery
- wx.getBluetoothDevices
- wx.getConnectedBluetoothDevices
- wx.closeBluetoothAdapter
- wx.offBluetoothDeviceFound
- 振动
- 电量
- 罗盘
- 加速计
- WXML
- 界面
- 字体 wx.loadFontFace
- 导航栏
- 动画
- wx.createAnimation
- 置顶 wx.setTopBarText
- 键盘
- Animation
- Animation.matrix
- Animation.opacity
- Animation.rotateY
- Animation.matrix3d
- Animation.skewX
- Animation.rotate
- Animation.skew
- Animation.scaleY
- Animation.bottom
- Animation.scaleX
- Animation.translateY
- Animation.translate3d
- Animation.width
- Animation.scale3d
- Animation.rotateZ
- Animation.height
- Animation.backgroundColor
- Animation.translateX
- Animation.scaleZ
- Animation.rotateX
- Animation.skewY
- Animation.top
- Animation.step
- Animation.scale
- Animation.export
- Animation.translate
- Animation.rotate3d
- Animation.translateZ
- Animation.left
- Animation.right
- 窗口
- 菜单 wx.getMenuButtonBoundingClientRect
- 自定义组件 wx.nextTick
- 滚动 wx.pageScrollTo
- 背景
- 下拉刷新
- 交互
- Tab Bar
- 第三方平台
- 画布
- wx.canvasToTempFilePath
- OffscreenCanvas
- wx.canvasGetImageData
- wx.createCanvasContext
- CanvasContext
- CanvasContext.lineTo
- CanvasContext.clip
- CanvasContext.fillRect
- CanvasContext.closePath
- CanvasContext.save
- CanvasContext.drawImage
- CanvasContext.setFontSize
- CanvasContext.scale
- CanvasContext.setLineWidth
- CanvasContext.arc
- CanvasContext.setGlobalAlpha
- CanvasContext.transform
- CanvasContext.setTextAlign
- CanvasContext.setStrokeStyle
- CanvasContext.measureText
- CanvasContext.setLineJoin
- CanvasContext.stroke
- CanvasContext.beginPath
- CanvasContext.strokeText
- CanvasContext.setFillStyle
- CanvasContext.setTextBaseline
- CanvasContext.setLineDash
- CanvasContext.createLinearGradient
- CanvasContext.rotate
- CanvasContext.createPattern
- CanvasContext.createCircularGradient
- CanvasContext.clearRect
- CanvasContext.rect
- CanvasContext.strokeRect
- CanvasContext.setLineCap
- CanvasContext.translate
- CanvasContext.fillText
- CanvasContext.fill
- CanvasContext.draw
- CanvasContext.moveTo
- CanvasContext.setShadow
- CanvasContext.arcTo
- CanvasContext.restore
- CanvasContext.bezierCurveTo
- CanvasContext.setMiterLimit
- CanvasContext.setTransform
- CanvasContext.quadraticCurveTo
- ImageData
- Canvas
- Image
- CanvasGradient
- wx.createOffscreenCanvas
- Color
- wx.canvasPutImageData
- Worker
- 开放接口
- 位置
- 媒体
- 实时音视频
- wx.createLivePusherContext
- wx.createLivePlayerContext
- LivePusherContext
- LivePusherContext.resumeBGM
- LivePusherContext.start
- LivePusherContext.stopBGM
- LivePusherContext.switchCamera
- LivePusherContext.stopPreview
- LivePusherContext.playBGM
- LivePusherContext.stop
- LivePusherContext.snapshot
- LivePusherContext.setBGMVolume
- LivePusherContext.startPreview
- LivePusherContext.pause
- LivePusherContext.pauseBGM
- LivePusherContext.toggleTorch
- LivePusherContext.resume
- LivePlayerContext
- 视频
- 录音
- 音频
- wx.playVoice
- AudioContext
- wx.createAudioContext
- wx.getAvailableAudioSources
- wx.createInnerAudioContext
- wx.setInnerAudioOption
- wx.stopVoice
- InnerAudioContext
- InnerAudioContext.onSeeked
- InnerAudioContext.onPause
- InnerAudioContext.onEnded
- InnerAudioContext.destroy
- InnerAudioContext.offSeeking
- InnerAudioContext.offError
- InnerAudioContext.stop
- InnerAudioContext.seek
- InnerAudioContext.onTimeUpdate
- InnerAudioContext.offEnded
- InnerAudioContext.onPlay
- InnerAudioContext.onSeeking
- InnerAudioContext.onWaiting
- InnerAudioContext.offPause
- InnerAudioContext.onStop
- InnerAudioContext.offSeeked
- InnerAudioContext.pause
- InnerAudioContext.offCanplay
- InnerAudioContext.onError
- InnerAudioContext.offStop
- InnerAudioContext.offWaiting
- InnerAudioContext.onCanplay
- InnerAudioContext.offTimeUpdate
- InnerAudioContext.play
- InnerAudioContext.offPlay
- wx.pauseVoice
- 图片
- 地图
- 音视频合成
- 背景音频
- wx.seekBackgroundAudio
- wx.onBackgroundAudioStop
- wx.onBackgroundAudioPause
- wx.getBackgroundAudioPlayerState
- wx.onBackgroundAudioPlay
- wx.pauseBackgroundAudio
- BackgroundAudioManager
- BackgroundAudioManager.onSeeked
- BackgroundAudioManager.onTimeUpdate
- BackgroundAudioManager.stop
- BackgroundAudioManager.onSeeking
- BackgroundAudioManager.onError
- BackgroundAudioManager.onEnded
- BackgroundAudioManager.onWaiting
- BackgroundAudioManager.onStop
- BackgroundAudioManager.play
- BackgroundAudioManager.seek
- BackgroundAudioManager.pause
- BackgroundAudioManager.onCanplay
- BackgroundAudioManager.onPrev
- BackgroundAudioManager.onPlay
- BackgroundAudioManager.onPause
- BackgroundAudioManager.onNext
- wx.getBackgroundAudioManager
- wx.playBackgroundAudio
- wx.stopBackgroundAudio
- 相机
- 实时音视频
- 转发
- 基础
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