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移除书签- Taro.createCanvasContext(canvasId, componentInstance)
- API支持度
- API支持度
Taro.createCanvasContext(canvasId, componentInstance)
使用方式同 wx.createCanvasContext。
API支持度
| API | 微信小程序 | H5 | React Native |
|---|---|---|---|
| Taro.createCanvasContext | ✔️ | ✔️ |
createCanvasContext
- 概述
- 关于API
- API 说明
- 环境判断
- Taro.Component
- 消息机制
- 设备
- 加速度计
- stopAccelerometer
- startAccelerometer
- onAccelerometerChange
- 设备方向
- startDeviceMotionListening
- stopDeviceMotionListening
- onDeviceMotionChange
- 蓝牙
- getBluetoothAdapterState
- closeBluetoothAdapter
- getConnectedBluetoothDevices
- getBluetoothDevices
- onBluetoothAdapterStateChange
- onBluetoothDeviceFound
- stopBluetoothDevicesDiscovery
- startBluetoothDevicesDiscovery
- openBluetoothAdapter
- 低功耗蓝牙
- createBLEConnection
- closeBLEConnection
- getBLEDeviceCharacteristics
- onBLECharacteristicValueChange
- notifyBLECharacteristicValueChange
- getBLEDeviceServices
- onBLEConnectionStateChange
- readBLECharacteristicValue
- 亮度
- writeBLECharacteristicValue
- setKeepScreenOn
- getScreenBrightness
- setScreenBrightness
- 剪贴板
- getClipboardData
- setClipboardData
- 罗盘
- onCompassChange
- stopCompass
- startCompass
- iBeacon
- 联系人 - addPhoneContact
- getBeacons
- onBeaconServiceChange
- onBeaconUpdate
- startBeaconDiscovery
- stopBeaconDiscovery
- 网络
- getNetworkType
- NFC
- onNetworkStatusChange
- getHCEState
- onHCEMessage
- startHCE
- sendHCEMessage
- 电话 - makePhoneCall
- stopHCE
- 扫码 - scanCode
- 屏幕 - onUserCaptureScreen
- 振动
- vibrateShort
- vibrateLong
- 系统信息
- canIUse
- getSystemInfo
- Wi-Fi
- getSystemInfoSync
- getConnectedWifi
- connectWifi
- onGetWifiList
- getWifiList
- onWifiConnected
- setWifiList
- startWifi
- stopWifi
- 扩展API
- arrayBufferToBase64
- base64ToArrayBuffer
- 文件
- getFileInfo
- getSavedFileInfo
- openDocument
- getSavedFileList
- removeSavedFile
- saveFile
- 界面
- 画布
- 动画 - createAnimation
- createCanvasContext
- canvasGetImageData
- canvasToTempFilePath
- canvasPutImageData
- createContext
- drawCanvas
- 交互
- showToast
- showLoading
- hideToast
- hideLoading
- showModal
- showActionSheet
- 导航
- navigateTo
- switchTab
- redirectTo
- reLaunch
- navigateBack
- getCurrentPages
- 导航栏
- setNavigationBarTitle
- showNavigationBarLoading
- hideNavigationBarLoading
- setNavigationBarColor
- 下拉刷新
- 滚动 - pageScrollTo
- stopPullDownRefresh
- startPullDownRefresh
- tabbar
- setTabBarBadge
- removeTabBarBadge
- showTabBarRedDot
- setTabBarStyle
- hideTabBarRedDot
- showTabBar
- setTabBarItem
- hideTabBar
- 窗口
- 顶栏 - setTopBarText
- offWindowResize
- onWindowResize
- wxml
- createSelectorQuery
- selectorQuery.select
- selectorQuery.in
- selectorQuery.selectAll
- selectorQuery.selectViewport
- nodesRef.scrollOffset
- nodesRef.boundingClientRect
- nodesRef.fields
- selectorQuery.exec
- 位置
- getLocation
- openLocation
- chooseLocation
- 媒体
- playVoice
- 音频
- pauseVoice
- stopVoice
- createAudioContext
- createInnerAudioContext
- 背景音频
- getBackgroundAudioPlayerState
- getBackgroundAudioManager
- playBackgroundAudio
- pauseBackgroundAudio
- seekBackgroundAudio
- onBackgroundAudioPlay
- stopBackgroundAudio
- onBackgroundAudioPause
- onBackgroundAudioStop
- 相机 - createCameraContext
- 图片
- chooseImage
- previewImage
- saveImageToPhotosAlbum
- getImageInfo
- 录音
- 地图 - createMapContext
- startRecord
- stopRecord
- 视频
- chooseVideo
- saveVideoToPhotosAlbum
- createVideoContext
- 文件上传/下载
- uploadFile
- downloadFile
- 请求
- request
- WebSocket
- addInterceptor
- connectSocket
- closeSocket
- sendSocketMessage
- onSocketOpen
- onSocketClose
- onSocketMessage
- SocketTask
- onSocketError
- 开放接口
- 地址 - chooseAddress
- 认证 - authorize
- 生物认证
- checkIsSupportSoterAuthentication
- checkIsSoterEnrolledInDevice
- 卡券
- startSoterAuthentication
- addCard
- 发票
- openCard
- chooseInvoice
- chooseInvoiceTitle
- 登录
- login
- checkSession
- 支付
- faceVerifyForPay
- requestPayment
- 跳转小程序
- navigateBackMiniProgram
- navigateToMiniProgram
- 设置
- getSetting
- openSetting
- 数据缓存
- 微信运动 - getWeRunData
- 用户信息 - getUserInfo
- setStorage
- setStorageSync
- getStorage
- getStorageSync
- getStorageInfo
- getStorageInfoSync
- removeStorage
- clearStorage
- removeStorageSync
- clearStorageSync
- 更新 - getUpdateManager
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